WO2004087456A1 - Verfahren und vorrichtung zur steuerung eines antriebsstrangs - Google Patents
Verfahren und vorrichtung zur steuerung eines antriebsstrangs Download PDFInfo
- Publication number
- WO2004087456A1 WO2004087456A1 PCT/DE2004/000658 DE2004000658W WO2004087456A1 WO 2004087456 A1 WO2004087456 A1 WO 2004087456A1 DE 2004000658 W DE2004000658 W DE 2004000658W WO 2004087456 A1 WO2004087456 A1 WO 2004087456A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- clutch
- engine torque
- torque
- control device
- operating state
- Prior art date
Links
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/021—Introducing corrections for particular conditions exterior to the engine
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/22—Safety or indicating devices for abnormal conditions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
- B60W50/08—Interaction between the driver and the control system
- B60W50/14—Means for informing the driver, warning the driver or prompting a driver intervention
- B60W2050/143—Alarm means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2510/00—Input parameters relating to a particular sub-units
- B60W2510/02—Clutches
- B60W2510/0241—Clutch slip, i.e. difference between input and output speeds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2510/00—Input parameters relating to a particular sub-units
- B60W2510/06—Combustion engines, Gas turbines
- B60W2510/0657—Engine torque
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2250/00—Engine control related to specific problems or objectives
- F02D2250/18—Control of the engine output torque
- F02D2250/26—Control of the engine output torque by applying a torque limit
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/12—Detecting malfunction or potential malfunction, e.g. fail safe; Circumventing or fixing failures
- F16H2061/124—Limiting the input power, torque or speed
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/12—Detecting malfunction or potential malfunction, e.g. fail safe; Circumventing or fixing failures
- F16H2061/1256—Detecting malfunction or potential malfunction, e.g. fail safe; Circumventing or fixing failures characterised by the parts or units where malfunctioning was assumed or detected
- F16H2061/1276—Detecting malfunction or potential malfunction, e.g. fail safe; Circumventing or fixing failures characterised by the parts or units where malfunctioning was assumed or detected the failing part is a friction device, e.g. clutches or brakes
Definitions
- the invention relates to a method for controlling a drive train, in particular a drive motor arranged in the drive train of a motor vehicle and a clutch arranged in the force path between the drive motor and a manual transmission.
- the invention further relates to an apparatus for performing the method.
- a critical operating state can occur during the operation of a clutch, particularly in operating states in which the clutch is loaded with large engine torques to be transmitted, in which, despite the clutch being completely closed, the clutch slips permanently can come. So it is possible that the completely closed clutch slips continuously or repeatedly over a long period of time.
- the permanent clutch slip which occurs in this way on the clutch can lead to overheating of the clutch and to a related rapid failure of the clutch as well as to the vehicle being unable to maneuver.
- Such an operating state preferably occurs at the wear end of the clutch when the completely closed clutch slips permanently due to wear.
- due to a wear-independent malfunction for example due to a leakage-related contamination of the clutch with engine or transmission oil; especially the clutch linings, the critical operating condition described above occurs.
- the clutch permanent slip condition described at the beginning leads to a rapid premature failure of the clutch, this can lead to dangerous situations in certain operating situations, for example when the vehicle is on a road The level crossing stops and can no longer be moved by motor power. In order to prevent this and to enable safe operation of the clutch, it is necessary to end an ongoing slip condition as quickly as possible in order to prevent a premature and surprising failure of the clutch. It is also problematic that the driver of the vehicle is generally not aware of the permanent slipping of the clutch.
- the object of the invention is to provide a method and a device for controlling a drive train, in particular a motor vehicle, so that safe operation is possible when the critical operating state of the clutch described in the introduction occurs, in particular a method and a device for controlling a drive train of the type mentioned above, so that in particular an occurring permanent clutch slip condition is recognized and the driver is informed of the situation critical for the service life of the clutch in order to be able to initiate remedial measures.
- this is achieved by a method for controlling a drive train, in particular a drive motor arranged in the drive train of a motor vehicle and a clutch arranged in the force path between the drive motor and a manual transmission, in that the following steps are carried out:
- the clutch depending on the detection of said critical operating state of the clutch, initiating at least one protective measure to maintain the operability of the clutch.
- a critical operating state such as the clutch slip at the end of the wear described at the outset
- protective measures in good time, such as a torque intervention to reduce the clutch torque to be transmitted by the clutch To prevent clutch and in this way to ensure safe operation of the clutch.
- the detection according to the invention of the critical operating state of the clutch and the introduction of protective measures to maintain the operational capability of the clutch are preferably carried out by an electronic computer or control unit.
- the critical operating state of the clutch is expediently determined by recognizing an operating state with clutch slip when the clutch is maximally closed.
- a permanent clutch slip caused by wear and thus a critical operating state for the service life of the clutch can be recognized and measures to protect the clutch can be initiated.
- a clutch slip is to be understood as the difference between the engine speed and the transmission speed, wherein the engine speed can be determined, for example, by means of an engine speed sensor and the transmission speed can be achieved, for example, by means of a transmission speed sensor or by calculation based on a wheel speed.
- the clutch is closed at most when the clutch is fully engaged via an actuator and an engine torque is transmitted from the drive motor to the manual transmission from the clutch.
- the maximum torque that can be transmitted by the clutch can be transmitted from the drive motor to the manual transmission.
- the method according to the invention can for example can be advantageously configured in such a way that the detection of a critical operating state of the clutch, such as, for example, permanent clutch slip, takes place under the additional condition that said operating state is recognized for the predetermined duration of a time interval.
- a critical operating state of the clutch such as, for example, permanent clutch slip
- operating states with a brief, operationally dependent and possibly uncritical slipping of the clutch can be differentiated from the critical operating state described above with permanent clutch slip and, for example, can be excluded from being recognized as a critical operating state of the clutch from the outset, for example by time filter detection. In this way, incorrect clutch slip slip detection can be avoided, for example.
- the said time interval is advantageously recognized by a timer, for example in an electronic computer or control unit.
- the time interval expediently begins with the detection of an operating state with permanent clutch slip and ends after a time period determined by a predetermined value.
- the time period can be, for example, 0.5 seconds or 1.0 seconds.
- the time period is a value that can be changed or specified by a computer or control unit. This has the advantage that the time interval and thus the time filter can be adapted by the computer or control unit, for example as a function of, for example, certain operating parameters, such as the temperature of the clutch or engine or transmission sizes.
- an engine torque intervention is advantageously carried out as a protective measure to maintain the operability of the clutch. This can quickly and specifically prevent stress on the clutch and possible overheating the, for example by lowering the engine torque generated by the drive motor.
- the engine torque intervention takes place by lowering the engine torque to a certain value.
- the wear-related clutch slip is reduced or eliminated entirely and the clutch is relieved.
- the value to which the engine torque is reduced can correspond to an arbitrarily smaller than the set engine torque, so that a relief of the clutch is adapted in this way, for example depending on certain operating parameters, such as the clutch temperature or engine or transmission sizes can be.
- the setting of the engine torque generated by the drive motor can take place, for example, in that an electronic computer or control unit preferably controls via a signal connection, for example an actuating device for setting the fresh charge throughput of the drive motor, such as a throttle valve, in such a way that the engine torque generated by the drive motor is lowered.
- the engine torque is reduced according to a predetermined functional relationship in time.
- the engine torque can be reduced, for example, by actuating an actuator to adjust the drive torque generated by the drive motor.
- the setting of the actuator takes place in such a way that the engine torque is reduced continuously according to a temporal functional relationship.
- the engine torque can be reduced by means of a time-based ramp function, so that the course of the engine torque shows no jump. Other time functions can also be used. It is also conceivable that when the engine torque is reduced, certain operating parameters, in particular the temperature of the clutch or other suitable parameters, such as, for. B. engine and / or transmission sizes are taken into account.
- the protective measure introduced to relieve the clutch such as a reduction in the engine torque
- the protective measure introduced to relieve the clutch can be carried out for the duration of a predetermined time interval and at the end of the time interval it can be checked regularly whether a permanent clutch slip condition is still present and, for example, the size of the clutch existing slip can be determined.
- Further protective measures such as, in particular, a further reduction in the engine torque can be carried out, for example, as a function of a critical load on the clutch which may still be present.
- the time interval begins, for example, with the lowering of the engine torque and ends after a period of time determined by a predetermined value, the value being changeable or predefinable, for example, by an electronic computer or control unit and, for example, depending on the size of the detected clutch - Solution slip is determined with the clutch fully closed.
- the duration of the time interval can thereby advantageously be adapted, for example, to the size of the detected clutch slip.
- the value can be predetermined in such a way that the greater the predetermined clutch slip, the greater the predetermined value as the starting value and the gradually decreasing as the engine torque is reduced. management.
- a step-by-step reduction of the engine torque is achieved, for example depending on the detected size of the permanent clutch slip, but also in dependence on other operational sizes, such as the clutch temperature or engine or transmission sizes, the step size being determined by the predetermined time interval ,
- the said time interval is expediently controlled by a timing element, for example in an electronic computer or control unit.
- the engine torque is expediently reduced further.
- the procedure described above for lowering the engine torque is carried out repeatedly, the value for the duration of the time interval being redetermined and adapted to the current operating state in the manner described above.
- the lowering of the engine torque is expediently ended in the event that there is no clutch slippage when the clutch is maximally closed
- the engine torque is reduced to the torque that can be transmitted by the clutch when the clutch is at maximum closed.
- the engine torque can preferably be reduced in a targeted manner, taking into account, for example, the state of wear of the clutch to the maximum torque that can be transmitted by it, and, for example, any permanent clutch slip that occurs can be completely eliminated immediately. It is conceivable that the value for the transmittable torque is calculated exactly or approximately with the clutch fully closed or taken from a stored map.
- the engine torque is first reduced step-by-step, time-interval-controlled in the manner described above, until the critical state, for example a permanent clutch slip, is no longer present and the value to which the engine torque is reduced than that of Clutch-transmissible torque is stored in a storage device, so that the value is available when the critical operating state occurs again and the engine torque is reduced to this value in a targeted manner and the critical state of the clutch can be eliminated immediately.
- the critical state for example a permanent clutch slip
- the reduction in the engine torque when a. otor torque ended equal to a predetermined limit.
- the reduction in the engine torque possibly with the acceptance of a residual clutch slip, can be limited to a minimum engine torque.
- the limit value can correspond to an arbitrarily smaller engine torque than the currently set one and is advantageously set, for example, in such a way that the vehicle with a slipping clutch is kept ready for operation with its own engine power without the clutch being overloaded.
- the presence of a driver's desired torque is checked after the lowering of the engine torque.
- the lowering of the engine torque is terminated, for example, when the engine torque is reduced to a certain value or when the clutch slip is stopped by gradual, time-interval-controlled lowering of the engine torque or when the engine torque is reduced to the torque that can be transmitted by the clutch or when the clutch is lowered of the engine torque the predetermined limit value is reached.
- a changed driver's desired torque can be recognized, for example, by the changed amount of accelerator pedal actuation, for example by a sensor, preferably from an electronic computer or control unit.
- the driver's desired torque corresponds to an engine torque to be generated by the drive motor.
- the set engine torque is expediently kept constant with the set engine torque if there is no changed desired driver torque.
- the set engine torque is understood to mean the engine torque set after the end of the lowering of the engine torque. If a changed driver's desired torque is greater than a predetermined limit value, the engine torque is advantageously kept constant with the set engine torque.
- the limit value can correspond, for example, to the maximum transferable torque of the clutch determined in the manner described above or the minimum engine torque to which the reduction in engine torque is limited by the method described above. However, it is also conceivable that the limit value is determined, for example, as a function of certain operating parameters such as, for example, the clutch temperature or other operating variables such as, for example, engine or transmission sizes. This can prevent the clutch from being excessively loaded when the vehicle is operating with permanent clutch slip.
- the engine torque is set in accordance with the recognized driver's desired torque. In this case, no intervention is required and normal driving operation limited to a minimum engine torque is possible. This gives the driver the opportunity to continue operating the vehicle, for example with clutch slip, limited to the minimum engine torque in order to drive it to a workshop, for example, but without being able to destroy the clutch due to excessive stress. This prevents a quick or sudden failure of the clutch.
- the cases that occur with a recognized clutch slip occur during the duration of a predetermined time phase detected with the clutch fully closed.
- the cases that have occurred with recognized permanent clutch slip can be determined by a counting device, for example in an electronic computer or control unit.
- the counting device checks how often, for example, a clutch slip situation during the time phase, for example during an “ignition-on phase”, starting with the ignition current being switched on by the ignition switch when the drive engine is started with an engine starting device and ending with the ignition current being switched off It is also conceivable that, for example, the number of critical operating states of the clutch that have been detected by the counting device, for example operating states with permanent clutch slip, occur when the ignition current is switched off by the ignition switch in stored in a memory device and at the beginning of the next “ignition-on phase” when the ignition is switched on the counting device is initialized with the stored value. In this way, the number of critical operating states that have occurred can be recorded over several time phases.
- a warning element is activated to warn the driver at the beginning of the next time phase.
- An advantageous warning measure according to the invention can be achieved, for example, by actuating an optical display, such as. B. a warning lamp lights up or a warning lamp flashes.
- a warning measure can also be advantageously initiated by triggering the generation of an acoustic signal, such as a warning tone.
- a first electronic control device for controlling the drive motor and a second electronic control device for controlling the manual transmission automated by means of a transmission actuator and an automated clutch operable by means of an actuator with an actuator are used as the computer or control unit, the two said control devices are in signal connection with one another and with sensors and optionally with other electronic units, the first control device and / or the second control device determining the operating state by means of sensor signals and system input variables as well as control signals.
- the detection of a specific critical operating state of the clutch for example a permanent clutch slip state, can expediently be carried out by the second control device.
- the second control device controls the first control device with a signal "ENGINE TORQUE TOO HIGH" for the duration of the presence of a critical operating state of the clutch, for example when a clutch permanent slip condition is present, so that these measures for protecting the clutch, such as
- the second control device can expediently carry out a time filter detection in the detection of a critical operating state of the clutch in the manner described above.
- the value of the torque that can be transmitted by the clutch can also advantageously be determined when the clutch is maximally closed - Lung performed by the second control device in the manner specified above become.
- the second control device can, for example, control the first control device to transfer the calculated value of the clutch torque that can be transmitted by the clutch when the clutch is maximally closed.
- the second control device for example, regularly checks at the end of a predetermined time interval whether clutch slip occurs when the clutch is maximally closed.
- At least one protective measure for maintaining the operability of the clutch can be initiated;
- a motor torque intervention is carried out by the first control device as a protective measure, for example the motor torque intervention is carried out by reducing the motor torque generated by the drive motor to a specific value
- Functional connection is carried out by the first control device, for example, the lowering of the engine torque for the duration of a predetermined ten time interval according to the method described above by the first control device.
- the first control device can regularly check at the end of a predetermined time interval whether the signal from the second control device is "MOTOR TORQUE TOO HIGH". In the event of said signal being present, the engine torque is reduced by the first control device in the manner described above. leads. If the said signal is not present, the lowering of the engine torque is ended by the first control unit. According to a further exemplary development of the method according to the invention, the engine torque is reduced by the first control unit down to the torque that can be transmitted by the clutch when the clutch is closed at a maximum, the value of the torque that can be transmitted by the clutch being determined by the second control device and sent to the first Control unit transmitted value corresponds.
- the reduction of the engine torque is advantageously ended by the first control unit when a predetermined limit value is reached. Furthermore, the presence of a driver's desired torque can be checked in an advantageous manner, for example by the first control unit after the end of the lowering of the engine torque, using the method described above. In a further development of the method according to the invention, the first control unit can, for example, record the cases that have occurred with detected clutch slip with the clutch at maximum closed during the duration of a predetermined time phase.
- a warning element can be activated to warn the driver at the beginning of the next time phase, the duration of the time phase being determined, for example, by the The beginning and end of a specific operating state, for example by an "ignition-on phase", can be determined.
- An advantageous embodiment of the method according to the invention is a device consisting of a drive train, in particular of a motor vehicle, with a drive motor and one in the force path between the drive motor and a shift mechanism.
- gearbox arranged clutch with at least one electronic computer or control unit, which is in signal connection with sensors and possibly with other electronic units, the computer or control unit using sensor signals and system inputs and control signals to determine the operating state.
- the computer or control unit expediently contains a device for detecting, for example, sensor signals for determining the operating state. Devices can be controlled by the computer or control unit via signal connections, such as an actuator for setting the engine torque generated by the drive motor.
- the computer or control unit contains a device for calculating certain values, such as for calculating.
- a microprocessor for example, can be included in the computer or control unit for processing data. Furthermore, the computer or control unit can also take data from a motor map stored in a memory device to determine the operating state.
- the device according to the invention advantageously contains a device, preferably in the computer or control unit, for recognizing specific operating states.
- the operating state can be determined by the computer or control unit by recognizing at least one value which is greater than, equal to or less than another value, the value being changeable or predefinable by the computer or control unit.
- the engine torque generated by the drive motor can be recognized by the control device via a sensor line with a sensor.
- the computer or control unit comprises a device, for example for detecting a clutch slip by detecting the engine speed and the Wheel speed via sensor cables with sensors.
- the device according to the invention contains a device for recognizing the operating state with the clutch closed to the maximum, for example via an incremental displacement measurement in the movement transmission from an actuator to an actuating element of the clutch.
- certain operating states or values for example a certain recognized state of wear of the clutch or the calculated value for the torque that can be transmitted by the clutch when the clutch is maximally closed, or other operating variables, can be stored in the memory device.
- a timing element is provided for recognizing a time interval determined by a specific time period, and the computer or control unit can have a device for changing or specifying the value determining the time duration, the time element for example in the computer - Or control unit can be integrated.
- the device according to the invention contains a device for recognizing a specific time phase, for example an “ignition-on phase, with the device in question expediently being able to detect, for example by means of, the cases occurring during the duration of the time phase with recognized clutch slip a counting device in the computer or control unit.
- a device for recognizing a specific time phase for example an “ignition-on phase
- the device in question expediently being able to detect, for example by means of, the cases occurring during the duration of the time phase with recognized clutch slip a counting device in the computer or control unit.
- the device according to the invention expediently comprises an actuator for setting the engine torque generated by the drive motor, for example a throttle valve for setting the fresh charge throughput of the drive motor can be controlled, for example, by the computer or control unit via a signal connection.
- an actuator for setting the engine torque generated by the drive motor for example a throttle valve for setting the fresh charge throughput of the drive motor can be controlled, for example, by the computer or control unit via a signal connection.
- the computer or control unit comprises a first electronic control device for controlling the drive motor and a second electronic control device for controlling the manual transmission automated by means of a gear actuator and an automated clutch operable by means of an actuator with an actuator, the two control devices mentioned are in signal connection with one another and with sensors and, if appropriate, with other electronic units, it being possible for the first control device and / or the second control device to determine the operating state by means of sensor signals and system input variables and control signals.
- the device according to the invention expediently contains a second control device with a device for recognizing a critical operating state of the clutch, such as, for example, a clutch slip when the clutch is maximally closed.
- a second control device with a device for controlling the first control device via a signal connection with the signal “MOTOR TORQUE TOO HIGH” is advantageously provided in the device according to the invention.
- the device according to the invention advantageously contains a first control device with a device for recognizing the signal "MOTOR TORQUE TOO HIGH". Furthermore, a first control device is provided in the device according to the invention with a device for actuating the actuator for setting the engine torque generated by the drive motor.
- FIG. 1 shows a schematic illustration of a motor vehicle with a drive motor 1, such as an internal combustion engine, with a torque transmission system 2 and a transmission 3 in the drive train. Furthermore, a differential 4, output shafts 5 and wheels 6 driven by the output shafts are shown. Speed sensors, not shown, which detect the speeds of the wheels can be arranged on the wheels. The speed sensors can also functionally belong to other electronic units, such as an anti-lock braking system (ABS). At least one vehicle speed and / or transmission speed can be determined from at least one wheel speed by means of a control unit 7.
- ABS anti-lock braking system
- the drive unit 1 can also be designed as a hybrid drive with, for example, an electric motor, a flywheel with a freewheel and an internal combustion engine.
- the torque transmission system 2 is designed as a friction clutch, the torque transmission system also having another clutch, for example can be designed with a multi-plate clutch.
- the friction clutch can also be designed as a self-adjusting clutch that adjusts for wear.
- the device for the automated actuation of a transmission 3 comprises a control unit 7 and an actuator 8 that can be actuated by the control unit 7.
- the control unit 7 can also actuate an actuator 11 for the automated actuation of the torque transmission system 2.
- the control unit 7 can be designed as an integrated control unit which carries out the control or regulation, for example of the torque transmission system and the transmission. Motor electronics can also be integrated in the control unit.
- the control of the torque transmission system and the transmission, or the actuators 8, 11 for actuating the torque transmission system and the transmission can be carried out by different control units.
- control units of the torque transmission system, transmission and / or motor control are arranged separately and communicate with one another via data and / or signal lines.
- control units or electronic units are in signal connection with sensors which transmit the operating parameters of the current operating point to the control unit or the control units.
- control unit 7 It is also possible for the control unit to receive all the required information via data lines or a data bus.
- the control unit 7 is equipped with a computer unit in order to be able to receive, process, store, retrieve and forward the incoming signals and system variables. Furthermore, the control unit generates control variables and / or signals for controlling actuators for actuation and for forwarding them to other electronic units.
- the torque transmission system 2 is mounted on or connected to a flywheel 2a.
- the flywheel can be designed as a one-piece flywheel or as a divided flywheel with primary mass and secondary mass, wherein a torsional vibration damping device is arranged between the individual flywheel masses, such as between the primary mass and the secondary mass.
- a starter ring gear 2b can be arranged on the flywheel.
- the clutch has a clutch disc 2c with friction linings and a pressure plate 2d as well as a clutch cover 2e and a plate spring 2f.
- the self-adjusting clutch additionally has means which allow an adjustment and a wear adjustment, a sensor, such as a force or displacement sensor, which detects a situation in which an adjustment is necessary due to wear, for example, and also automatically upon detection is carried out.
- the torque transmission system is actuated by means of a release 9, for example with a release bearing 10.
- the control unit 7 controls the actuator 11, which carries out the actuation of the clutch.
- the release mechanism can be actuated by an electric motor, electrohydraulically, such as, for example, actuated by pressure medium, such as hydraulically or by means of another actuating mechanism.
- the release 9 with release Bearing 10 can be designed as a central release, which is arranged coaxially to the transmission input shaft and engages and disengages the clutch by acting on, for example, the plate spring tongues of the clutch.
- the release mechanism can also be designed as a mechanical release mechanism that actuates, acts on or operates a release bearing or a comparable element.
- the actuator 8 actuates the transmission 3 for switching and / or selection in particular with its at least one output or actuation element or with a plurality of output or actuation elements.
- the actuation of the shift and / or selector actuation depends on the type of gear.
- transmissions with a central selector shaft are to be considered, in which a switching or selection process takes place by an axial actuation or an actuation in the circumferential direction of the central selector shaft or vice versa.
- An actuator actuates, for example, the axial actuation of the central control shaft with one actuating element and the actuation of the shaft in the circumferential direction with another actuating element.
- the switching movement can take place in the circumferential direction and the selection operation in the axial direction or vice versa.
- transmissions with two shafts are to be considered, in each of which a shaft for shifting and a shaft for selecting the gear ratio are present, both shafts being actuated in the circumferential direction in order to carry out a shifting operation or a selection operation.
- Gearboxes with shift rods are also to be considered, in which the shift rods are actuated in the axial direction in order to shift a gear ratio with one shift operation, a selection operation being carried out by the selection of the actuated shift rod.
- the shafts or shift rods represent shift elements internal to the transmission or the shafts actuate those within the transmission when actuated.
- the actuator 8 actuates directly or indirectly internal shift elements for inserting, removing or changing gear stages or gear ratios, such as a central shift shaft, shafts or shift rods or other shift elements.
- the control unit 7 is connected to the actuator 8 via the signal connection 12, so that control signals and / or sensor signals or operating state signals can be exchanged, forwarded or queried.
- Signal connections 13 and 14 are also available, via which the control unit is at least temporarily in signal connection with further sensors or electronic units.
- Such other electronic units can be, for example, engine electronics, anti-lock system electronics or anti-slip control electronics.
- Other sensors can be sensors that generally characterize or detect the operating state of the vehicle, such as, for example, engine or wheel speed sensors, throttle position sensors, accelerator position sensors or other sensors.
- the signal connection 15 establishes a connection to a data bus, such as a CAN bus, via which system data of the vehicle or other electronic units can be made available, since the electronic units are generally networked with one another by computer units.
- An automated transmission can be shifted or experience a gear change in such a way that this is initiated by the driver of the vehicle by giving a signal to shift up or down by means of, for example, a switch, a button or another transmission selection device 40. Furthermore, a signal to select the next gear to be engaged could also be given. Correspondingly, a signal can also be provided by means of an electronic shift lever in which gear the transmission should shift.
- an automated actuation of the transmission can be selected, so that the selection of the current gear is carried out depending on the operating parameters and, if necessary, an automatic shift process is initiated.
- an automated transmission can also independently perform a gear change using, for example, characteristic values, characteristic curves or characteristic maps and on the basis of sensor signals at certain predetermined points, without the driver having to initiate a gear change.
- a neutral position N can be set, for example, in which there is no drive connection between the transmission input and the transmission output.
- a parking position P can be selected in which a parking lock is implemented. This parking position can also be selected automatically if, for example, the ignition key 51 is removed from the ignition lock and the operating state of the vehicle allows this. For example, removing the ignition key at high speeds is mentioned, in which situation a parking lock should not be inserted automatically.
- the gear selection unit 40 can thus be set to an area M, such as manual driver-side gear selection, an area D, such as automatic gear selection for driving operation, an area P, such as parking lock, and / or an area N, such as neutral position.
- manual switching can be initiated via switches or a lever, for example.
- the vehicle is preferably equipped with an electronic accelerator pedal 23 or load lever, the accelerator pedal 23 actuating a sensor 24 by means of which the engine electronics 20 controls or regulates, for example, the fuel supply, ignition timing, injection time or the throttle valve position via the signal line 21 of the engine 1.
- the electronic accelerator pedal 23 with sensor 24 is connected to the engine electronics 20 via the signal line 25.
- the motor electronics 20 is in signal connection with the control unit 7 via the signal line 22.
- a transmission control electronics 30 can also be in signal connection with the units 7 and 20.
- An electromotive throttle valve control is expedient for this, the position of the throttle valve being controlled by means of the engine electronics. In such systems, a direct mechanical connection to the accelerator pedal is no longer necessary or expedient.
- the vehicle also has an engine starting device 50 which, based on a driver's engine attempt to start, by means of, for example, actuating the ignition key 51 in the ignition lock, controls engine electronics and a starter for starting and / or starting the engine.
- an engine starting device 50 which, based on a driver's engine attempt to start, by means of, for example, actuating the ignition key 51 in the ignition lock, controls engine electronics and a starter for starting and / or starting the engine.
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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DE112004000066T DE112004000066D2 (de) | 2003-04-02 | 2004-03-31 | Verfahren zur Steuerung einer Kupplung |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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DE10314953 | 2003-04-02 | ||
DE10314953.8 | 2003-04-02 |
Publications (1)
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WO2004087456A1 true WO2004087456A1 (de) | 2004-10-14 |
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PCT/DE2004/000658 WO2004087456A1 (de) | 2003-04-02 | 2004-03-31 | Verfahren und vorrichtung zur steuerung eines antriebsstrangs |
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DE (1) | DE112004000066D2 (de) |
WO (1) | WO2004087456A1 (de) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102012207825A1 (de) | 2011-06-08 | 2012-12-13 | Schaeffler Technologies AG & Co. KG | Verfahren zur Steuerung oder Regelung eines Antriebsmotors und/oder einer automatisierten Reibungskupplung |
DE102013009857A1 (de) * | 2013-06-13 | 2014-12-18 | Audi Ag | Verfahren zum Betreiben einer Kupplung eines Fahrzeugs und Fahrzeug |
CN105518276A (zh) * | 2013-08-30 | 2016-04-20 | 爱信精机株式会社 | 发动机控制装置 |
FR3048217A1 (fr) * | 2016-02-26 | 2017-09-01 | Peugeot Citroen Automobiles Sa | Procede de controle de patinage d’embrayage de vehicule lie a l’usure de l’embrayage |
WO2018184626A1 (de) * | 2017-04-07 | 2018-10-11 | Schaeffler Technologies AG & Co. KG | Verfahren zur bestimmung einer lebensdauer einer reibungskupplung eines fahrzeuges |
DE102017129828A1 (de) * | 2017-12-13 | 2019-06-13 | Man Truck & Bus Ag | Verfahren zum Betreiben eines Fahrzeugs, insbesondere eines Nutzfahrzeugs |
DE102016222466B4 (de) | 2015-11-17 | 2024-05-08 | Schaeffler Technologies AG & Co. KG | Verfahren und Steuer- und/oder Regeleinrichtung zum Überprüfen des Momentübertragungsverhaltens einer Trennkupplung sowie Hybridantrieb |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19806497A1 (de) * | 1998-02-17 | 1999-08-26 | Mannesmann Sachs Ag | Antriebsanordnung für ein von einem Verbrennungsmotor angetriebenes Kraftfahrzeug |
DE19951415A1 (de) * | 1998-11-02 | 2000-05-04 | Luk Getriebe Systeme Gmbh | Getriebe |
DE10033647A1 (de) * | 2000-07-11 | 2002-01-24 | Opel Adam Ag | System zur Steuerung eines Automatikgetriebes |
-
2004
- 2004-03-31 DE DE112004000066T patent/DE112004000066D2/de not_active Expired - Fee Related
- 2004-03-31 WO PCT/DE2004/000658 patent/WO2004087456A1/de active Application Filing
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19806497A1 (de) * | 1998-02-17 | 1999-08-26 | Mannesmann Sachs Ag | Antriebsanordnung für ein von einem Verbrennungsmotor angetriebenes Kraftfahrzeug |
DE19951415A1 (de) * | 1998-11-02 | 2000-05-04 | Luk Getriebe Systeme Gmbh | Getriebe |
DE10033647A1 (de) * | 2000-07-11 | 2002-01-24 | Opel Adam Ag | System zur Steuerung eines Automatikgetriebes |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102012207825A1 (de) | 2011-06-08 | 2012-12-13 | Schaeffler Technologies AG & Co. KG | Verfahren zur Steuerung oder Regelung eines Antriebsmotors und/oder einer automatisierten Reibungskupplung |
DE102013009857A1 (de) * | 2013-06-13 | 2014-12-18 | Audi Ag | Verfahren zum Betreiben einer Kupplung eines Fahrzeugs und Fahrzeug |
DE102013009857B4 (de) * | 2013-06-13 | 2016-01-21 | Audi Ag | Verfahren zum Betreiben einer Kupplung eines Fahrzeugs und Fahrzeug |
CN105518276A (zh) * | 2013-08-30 | 2016-04-20 | 爱信精机株式会社 | 发动机控制装置 |
EP3040538A4 (de) * | 2013-08-30 | 2016-09-07 | Aisin Seiki | Motorsteuerungsvorrichtung |
DE102016222466B4 (de) | 2015-11-17 | 2024-05-08 | Schaeffler Technologies AG & Co. KG | Verfahren und Steuer- und/oder Regeleinrichtung zum Überprüfen des Momentübertragungsverhaltens einer Trennkupplung sowie Hybridantrieb |
FR3048217A1 (fr) * | 2016-02-26 | 2017-09-01 | Peugeot Citroen Automobiles Sa | Procede de controle de patinage d’embrayage de vehicule lie a l’usure de l’embrayage |
WO2018184626A1 (de) * | 2017-04-07 | 2018-10-11 | Schaeffler Technologies AG & Co. KG | Verfahren zur bestimmung einer lebensdauer einer reibungskupplung eines fahrzeuges |
CN110462244A (zh) * | 2017-04-07 | 2019-11-15 | 舍弗勒技术股份两合公司 | 用于确定车辆的摩擦离合器的使用寿命的方法 |
CN110462244B (zh) * | 2017-04-07 | 2021-02-02 | 舍弗勒技术股份两合公司 | 用于确定车辆的摩擦离合器的使用寿命的方法 |
DE102017129828A1 (de) * | 2017-12-13 | 2019-06-13 | Man Truck & Bus Ag | Verfahren zum Betreiben eines Fahrzeugs, insbesondere eines Nutzfahrzeugs |
Also Published As
Publication number | Publication date |
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DE112004000066D2 (de) | 2005-07-28 |
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