CN104802790A - New-energy entire car controller integrated with transmission case control function - Google Patents
New-energy entire car controller integrated with transmission case control function Download PDFInfo
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- CN104802790A CN104802790A CN201510262285.0A CN201510262285A CN104802790A CN 104802790 A CN104802790 A CN 104802790A CN 201510262285 A CN201510262285 A CN 201510262285A CN 104802790 A CN104802790 A CN 104802790A
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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
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
- B60W10/08—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of electric propulsion units, e.g. motors or generators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L15/00—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L15/00—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
- B60L15/20—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed
-
- 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
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/10—Conjoint control of vehicle sub-units of different type or different function including control of change-speed gearings
-
- 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
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/18—Conjoint control of vehicle sub-units of different type or different function including control of braking systems
-
- 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
- B60W2710/00—Output or target parameters relating to a particular sub-units
- B60W2710/08—Electric propulsion units
- B60W2710/083—Torque
-
- 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
- B60W2710/00—Output or target parameters relating to a particular sub-units
- B60W2710/30—Auxiliary equipments
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Power Engineering (AREA)
- Control Of Transmission Device (AREA)
Abstract
The invention provides a new-energy entire car controller integrated with a transmission case control function. The controller is integrated with the transmission case control function, i.e., an original entire car control function and a transmission case control function are integrated in the entire car controller, so that a special TCU (transmission control unit) is not needed any more; analog input, on-off input and frequency input are connected with respective sensors; a power-driven part and a motor-driven part are connected with respective actuators; the components are connected together with an internal bus on a controller circuit board by virtue of internal connecting wires so as to form a complete controller hardware circuit. New-energy entire car controller software integrated with the transmission case control function is realized by virtue of an entire car control algorithm and a transmission case control algorithm. The new-energy entire car controller can be used for shortening the development cycle, lowering the development cost, reducing automobile parts such as a controller, an auxiliary connector and wire harnesses and lowering the purchase costs of the parts.
Description
Technical field
The present invention relates to the new energy vehicle controller of integrated change speed gear box controlling functions, belong to new-energy automobile technology, especially new-energy automobile electric-control system technology.
Background technology
Especially pure electric automobile is as the main development direction of future automobile for new-energy automobile, and country one is to supporting and encourageing.Along with the progressively breakthrough of support and the gordian technique energetically of national policy, new-energy automobile industry has good prospects.
TCU (Transmission Control Unit) i.e. Automatic Transmission control unit, is usually used in the automatic transmission with hydraulic torque converters such as AMT, AT, DCT, CVT.Realize automatic control of transmission, make driving simpler.
MCU (Motor control unit) i.e. motor control unit, also known as electric machine controller, is responsible for the control of new-energy automobile main drive motor.
VCU (Vehicle control uint) i.e. control unit for vehicle, also known as entire car controller, is responsible for the control of entire new energy automobile.
New-energy automobile transmission of power has fixed speed ratio and variable-speed ratio two schemes, for variable-speed ratio new-energy automobile, comprises again hand gear and automatic speed changing.Hand gear does not need special gear box control unit TCU, and automatic speed changing needs special gear box control unit TCU usually.Existing automatic speed changing new-energy automobile power system basic structure as shown in Figure 1.In this basic structure, drive motor is connected with Automatic Transmission, and Automatic Transmission is connected with the wheel shaft of drive wheel; Drive motor is connected with MCU, and Automatic Transmission is connected with TCU, and MCU and TCU is connected with VCU by CAN.
Because gear box control unit TCU carries the effect of Automatic Transmission control, function is complicated, cost is higher and the existence of TCU makes originally limited interior space arrange and wiring is more difficult, further increases work capacity and the work difficulty of maintenance when vehicle is out of order.
Summary of the invention
The object of the invention is to reduce new energy vehicle controller quantity, thus reduce the complexity of finished vehicle electronic system, make new-energy automobile more simple and reliable.
For achieving the above object, the technical solution used in the present invention is the new energy vehicle controller of integrated change speed gear box controlling functions, the controlling functions of the integrated change speed gear box of this controller, be about to function that the function of originally full-vehicle control and change speed gear box control all focus in entire car controller and realize, thus no longer needing special gear box control unit TCU, the automatic speed changing new-energy automobile power system basic structure that the present invention proposes is as shown in Figure 2.
Specifically, in automatic speed changing new-energy automobile power system basic structure, drive motor is connected with Automatic Transmission, and Automatic Transmission is connected with the wheel shaft of drive wheel; Drive motor is connected with MCU, and Automatic Transmission is connected with VCU, and described VCU is integrated with TCU; MCU and VCU is connected by CAN.
The new energy vehicle controller electrical structure of integrated change speed gear box controlling functions as shown in Figure 3.
In Fig. 3, power management section is responsible for the power supply of entire car controller, and central process unit is responsible for computing, and communications portion is responsible for communicating with other controller; Analog input, On-off signal input with frequency quantity and are connected with each sensor; Power drive part and motor driving part divide and are connected with all kinds of actr; Above-mentioned component is linked together by interconnector and internal bus on controller circuit board, the controller hardware circuit that common formation is complete.
The new energy vehicle controller software configuration of integrated change speed gear box controlling functions as shown in Figure 4.
In Fig. 4, the special incoming signal of process full-vehicle control is responsible in car load incoming signal processing section; Change speed gear box incoming signal processing section is responsible for process change speed gear box and is controlled special incoming signal; Universal input signal processing is responsible for processing the incoming signal that full-vehicle control and change speed gear box control all to need to use; Full-vehicle control output is responsible for controlling car load associated actuator, and change speed gear box controls output and is responsible for controlling change speed gear box associated actuator.The new energy vehicle controller software of integrated change speed gear box controlling functions is realized by full-vehicle control algorithm and change speed gear box control algorithm.
Full-vehicle control algorithm is implemented as follows.
(1) car load drived control, the car load drived control algorithm being core based on moment of torsion sends control command according to operator demand and vehicle-state to electric machine controller, to meet the driving cycles of vehicle.
(2) car load energy management, by coordination and the management of the motor driven systems to electronlmobil, battery management system, driving system and other vehicular energy power system, to obtain best capacity usage ratio.
(3) whole vehicle state monitoring and display, controller, by sensor and CAN, detects vehicle-state and each subsystem state information thereof, drives display instrument, status information and failure diagnosis information is shown through display instrument.Displaying contents comprises the speed of a motor vehicle, mileage, the rotating speed of motor, temperature, the electricity of battery, voltage, electric current, failure message.
(4) braking is preferential, and for the process of operator demand's instruction, automobile brake demand priority is in acceleration demand, and namely brake pedal position signal processing priority is higher than acceleration pedal position signal processing priority, to ensure safety.
(5) Brake energy recovery, braking energy of electric automobiles reclaims the energy recovery rate and the impression of optimization chaufeur that require to realize improving car load, for reclaiming kinetic energy as much as possible, the braking force that traction motor produces specified quantitative must be controlled, mechanical braking sytem to be controlled simultaneously and meet the demand braking force sent by chaufeur, substantially, three kinds of braking control strategies are had: the tandem brake that optimum drive person experiences, the tandem brake of the optimum capacity percent recovery and braking in parallel.
(6) overall failure diagnosis, trouble diagnosing is the critical security safety method of entire car controller real-time system.Detection failure, carries out fault handling, and then performs degradation, the limping of automotive power and turn off operation mode.
(7) vehicle accessory controls, and comprises vacuum pump control, DCDC control, airconditioning control, cooling fan control, cooling water pump control, to realize complete vehicle accessory controlling functions.
(8) vehicle start controls, and obtaining suitable starting moment of torsion, realizing gentle start under vehicle level land, upward slope, descending road conditions by optimizing starting control algorithm.
(9) speed limit, for ensureing that the speed of a motor vehicle is no more than safety limit, when the speed of a motor vehicle exceedes the output torque of certain value limit motor, utilizes motor braking restricted speed further under special operation condition.
(10) motor speed restriction, ensures that motor speed is no more than safety limit, when motor speed exceedes the output torque of certain value limit motor.
Change speed gear box control algorithm is implemented as follows.
(1) clutch control, the working process of power-transfer clutch comprises and to be separated and in conjunction with two kinds of different processes, the separation process of power-transfer clutch is fairly simple, very little on the impact of the performance of vehicle in control process, total principle is that The faster the better, the cohesive process of power-transfer clutch is divided into three phases: a, released state, now there is gap between main driven friction, exports without moment of torsion; B, sliding state of rubbing, now power-transfer clutch is in quasi integration state, and along with the continuous growth of power-transfer clutch thrust, moment of torsion exports and also increases thereupon; C, completely bonding state, now power-transfer clutch combines completely, the sliding disappearance that rubs, main driven friction synchronous rotary without speed discrepancy, integrally transmitting torque.The combination of power-transfer clutch quick and stable is realized by control clutch actuating unit.
(2) shifting operation, block selecting and gearshift are controlled by shift-selecting and changing actuating mechanism, actuating unit action is converted to the motion needed for separate shifting action, realize comparatively big retarding ratio simultaneously, obtain suitable speed and enough shifting power, simulate the function of manual shifter of transmission completely.The control mainly location-based closed loop control of shift-selecting and changing actuating mechanism, receives the information such as the target gear sent from cooperation layer, completes the conversion of gear.
(3) motor adapter controls, and in disengaging of clutch and cohesive process, need accurately to control the rotating speed of motor and moment of torsion, in order to realize good driving performance, motor M CU allows the automatic transmission with hydraulic torque converter temporarily torque of adapter motor or the control of rotating speed.According to the demand of the operating mode that upshifts and downshift, when low-grade location raises gear, speed discrepancy is negative, requires that motor speed reduces; When high tap position reduces gear, speed discrepancy is just, requires that motor speed raises; In order to improve shift quality, precisely control by controlling motor speed, namely after changing to new gear, by controlling motor speed, reducing the speed discrepancy between the master and slave Moving plate of power-transfer clutch as far as possible, combining to accelerate power-transfer clutch, shorten the gearshift time, reduce power interruption, extend life of clutch, reduce shift shock.
(4) oil pressure cntrol, is ensure the action message of gear box actuator, needs certain oil pressure, by oil pressure sensor and electromagnetic valve closed loop control oil pressure in a rational scope.
(5) Oil-temperature control, change speed gear box needs in the range of temperatures of setting could normal work, by oil temperature sensor and cooling body closed loop control oil temperature in the scope set.
Be compared with the prior art, the present invention has following beneficial effect.
1. improve reliability; Decrease amount controller, simplify overall wire sheaves, thus reduce the complexity of finished vehicle electronic system, make system simpler, more reliably;
2. shorten time-to-market; Less controller decreases the work capacity of controller development and testing, correspondingly reduces the work capacity of coordinating between each controller to mate, thus shortens whole time-to-market;
3. reduce costs; Reducing except cost of development except shortening time-to-market, decreasing controller and the auto parts and components such as mating connector, wire harness, reducing the cost of Parts Purchasing;
4. convenient layout; Less controller and wire harness reduce the requirement to arrangement space, thus facilitate arrangement, make vehicle interior more succinct and attractive in appearance;
5. convenient maintenance; Originally the fault likely occurring in multiple controller is concentrated in a controller, is convenient to the Lookup and eliminating of fault;
6. be convenient to after sale; The dedicated diagnostic device needed when amount controller is less is also less, thus reduces after cost, is conducive to the collection of vehicle usage data simultaneously, is convenient to work after sale.
Accompanying drawing explanation
Fig. 1 is existing automatic speed changing new-energy automobile power system basic structure.
Fig. 2 is automatic speed changing new-energy automobile power system basic structure.
Fig. 3 is the new energy vehicle controller electrical structure of integrated change speed gear box controlling functions.
Fig. 4 is the new energy vehicle controller software configuration of integrated change speed gear box controlling functions.
Fig. 5 is the new-energy automobile power system basic block diagram of AMT.
Fig. 6 is the new-energy automobile power system basic block diagram of CVT.
Fig. 7 is the new-energy automobile power system basic block diagram of AT.
Fig. 8 is the new-energy automobile power system basic block diagram of DCT.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is described in further detail.
For the new-energy automobile adopting automatic machincal transmission AMT, entire car controller of the present invention is integrated with AMT controlling functions, thus no longer need special AMT control unit TCU, use the new-energy automobile power system basic structure of the present invention and AMT as shown in Figure 5.
For the new-energy automobile adopting mechanical stepless automatic transmission CVT, entire car controller of the present invention is integrated with CVT controlling functions, thus no longer need special CVT control unit TCU, use the new-energy automobile power system basic structure of the present invention and CVT as shown in Figure 6.
For the new-energy automobile adopting hydraulic mechanical type automatic transmission with hydraulic torque converter AT, entire car controller of the present invention is integrated with AT controlling functions, thus no longer need special AT control unit TCU, use the new-energy automobile power system basic structure of the present invention and AT as shown in Figure 7.
For the new-energy automobile adopting double-clutch automatic transmission DCT, entire car controller of the present invention is integrated with DCT controlling functions, thus no longer need special DCT control unit TCU, use the new-energy automobile power system basic structure of the present invention and DCT as shown in Figure 8.
Claims (3)
1. the new energy vehicle controller of integrated change speed gear box controlling functions, it is characterized in that: the controlling functions of the integrated change speed gear box of this controller, be about to function that the function of originally full-vehicle control and change speed gear box control all focus in entire car controller and realize, thus no longer need special gear box control unit TCU, in automatic speed changing new-energy automobile power system basic structure, drive motor is connected with Automatic Transmission, and Automatic Transmission is connected with the wheel shaft of drive wheel; Drive motor is connected with MCU, and Automatic Transmission is connected with VCU, and described VCU is integrated with TCU; MCU and VCU is connected by CAN;
In the new energy vehicle controller electrical structure of integrated change speed gear box controlling functions, power management section is responsible for the power supply of entire car controller, and central process unit is responsible for computing, and communications portion is responsible for communicating with other controller; Analog input, On-off signal input with frequency quantity and are connected with each sensor; Power drive part and motor driving part divide and are connected with all kinds of actr; Above-mentioned component is linked together by interconnector and internal bus on controller circuit board, the controller hardware circuit that common formation is complete;
In the new energy vehicle controller software configuration of integrated change speed gear box controlling functions, the special incoming signal of process full-vehicle control is responsible in car load incoming signal processing section; Change speed gear box incoming signal processing section is responsible for process change speed gear box and is controlled special incoming signal; Universal input signal processing is responsible for processing the incoming signal that full-vehicle control and change speed gear box control all to need to use; Full-vehicle control output is responsible for controlling car load associated actuator, and change speed gear box controls output and is responsible for controlling change speed gear box associated actuator; The new energy vehicle controller software of integrated change speed gear box controlling functions is realized by full-vehicle control algorithm and change speed gear box control algorithm.
2. the new energy vehicle controller of integrated change speed gear box controlling functions according to claim 1, is characterized in that: full-vehicle control algorithm is implemented as follows;
(1) car load drived control, the car load drived control algorithm being core based on moment of torsion sends control command according to operator demand and vehicle-state to electric machine controller, to meet the driving cycles of vehicle;
(2) car load energy management, by coordination and the management of the motor driven systems to electronlmobil, battery management system, driving system and other vehicular energy power system, to obtain best capacity usage ratio;
(3) whole vehicle state monitoring and display, controller, by sensor and CAN, detects vehicle-state and each subsystem state information thereof, drives display instrument, status information and failure diagnosis information is shown through display instrument; Displaying contents comprises the speed of a motor vehicle, mileage, the rotating speed of motor, temperature, the electricity of battery, voltage, electric current, failure message;
(4) braking is preferential, and for the process of operator demand's instruction, automobile brake demand priority is in acceleration demand, and namely brake pedal position signal processing priority is higher than acceleration pedal position signal processing priority, to ensure safety;
(5) Brake energy recovery, braking energy of electric automobiles reclaims the energy recovery rate and the impression of optimization chaufeur that require to realize improving car load, for reclaiming kinetic energy as much as possible, the braking force that traction motor produces specified quantitative must be controlled, mechanical braking sytem to be controlled simultaneously and meet the demand braking force sent by chaufeur, substantially, three kinds of braking control strategies are had: the tandem brake that optimum drive person experiences, the tandem brake of the optimum capacity percent recovery and braking in parallel;
(6) overall failure diagnosis, trouble diagnosing is the critical security safety method of entire car controller real-time system; Detection failure, carries out fault handling, and then performs degradation, the limping of automotive power and turn off operation mode;
(7) vehicle accessory controls, and comprises vacuum pump control, DCDC control, airconditioning control, cooling fan control, cooling water pump control, to realize complete vehicle accessory controlling functions;
(8) vehicle start controls, and obtaining suitable starting moment of torsion, realizing gentle start under vehicle level land, upward slope, descending road conditions by optimizing starting control algorithm;
(9) speed limit, for ensureing that the speed of a motor vehicle is no more than safety limit, when the speed of a motor vehicle exceedes the output torque of certain value limit motor, utilizes motor braking restricted speed further under special operation condition;
(10) motor speed restriction, ensures that motor speed is no more than safety limit, when motor speed exceedes the output torque of certain value limit motor.
3. the new energy vehicle controller of integrated change speed gear box controlling functions according to claim 1, is characterized in that: change speed gear box control algorithm is implemented as follows;
(1) clutch control, the working process of power-transfer clutch comprises and to be separated and in conjunction with two kinds of different processes, the separation process of power-transfer clutch is fairly simple, very little on the impact of the performance of vehicle in control process, total principle is that The faster the better, the cohesive process of power-transfer clutch is divided into three phases: a, released state, now there is gap between main driven friction, exports without moment of torsion; B, sliding state of rubbing, now power-transfer clutch is in quasi integration state, and along with the continuous growth of power-transfer clutch thrust, moment of torsion exports and also increases thereupon; C, completely bonding state, now power-transfer clutch combines completely, the sliding disappearance that rubs, main driven friction synchronous rotary without speed discrepancy, integrally transmitting torque; The combination of power-transfer clutch quick and stable is realized by control clutch actuating unit;
(2) shifting operation, block selecting and gearshift are controlled by shift-selecting and changing actuating mechanism, actuating unit action is converted to the motion needed for separate shifting action, realize comparatively big retarding ratio simultaneously, obtain suitable speed and enough shifting power, simulate the function of manual shifter of transmission completely; The control mainly location-based closed loop control of shift-selecting and changing actuating mechanism, receives the information such as the target gear sent from cooperation layer, completes the conversion of gear;
(3) motor adapter controls, and in disengaging of clutch and cohesive process, need accurately to control the rotating speed of motor and moment of torsion, in order to realize good driving performance, motor M CU allows the automatic transmission with hydraulic torque converter temporarily torque of adapter motor or the control of rotating speed; According to the demand of the operating mode that upshifts and downshift, when low-grade location raises gear, speed discrepancy is negative, requires that motor speed reduces; When high tap position reduces gear, speed discrepancy is just, requires that motor speed raises; In order to improve shift quality, precisely control by controlling motor speed, namely after changing to new gear, by controlling motor speed, reducing the speed discrepancy between the master and slave Moving plate of power-transfer clutch as far as possible, combining to accelerate power-transfer clutch, shorten the gearshift time, reduce power interruption, extend life of clutch, reduce shift shock;
(4) oil pressure cntrol, is ensure the action message of gear box actuator, needs certain oil pressure, by oil pressure sensor and electromagnetic valve closed loop control oil pressure in a rational scope;
(5) Oil-temperature control, change speed gear box needs in the range of temperatures of setting could normal work, by oil temperature sensor and cooling body closed loop control oil temperature in the scope set.
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| CN113915320A (en) * | 2020-07-10 | 2022-01-11 | 上海汽车变速器有限公司 | Active noise reduction system of hybrid gearbox and control method thereof |
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| CN112319216A (en) * | 2020-11-25 | 2021-02-05 | 南京清研海易新能源动力有限责任公司 | AMT gearbox system |
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