CN105626720A

CN105626720A - Method used for operating clutch assembly capable of being electrically manipulated and motor vehicle

Info

Publication number: CN105626720A
Application number: CN201510807535.4A
Authority: CN
Inventors: M·格贝尔; F·哈特曼; M·特瓦尔特
Original assignee: ZF Friedrichshafen AG
Current assignee: ZF Friedrichshafen AG
Priority date: 2014-11-21
Filing date: 2015-11-19
Publication date: 2016-06-01
Also published as: DE102014223807A1

Abstract

The invention relates to a method used for operating a clutch assembly capable of being electrically manipulated in a motor vehicle. The motor vehicle has a clutch, a clutch actuator, a manual gear shifting element used for switching a gear of a transmission and a control device used for controlling the clutch actuator, and is characterized in that the control device outputs a signal used for enabling the clutch to trip out according to a sensor signal related with the control sate of an accelerator pedal of the motor vehicle and a sensor signal of a velocity sensor. In addition, the invention also relates to a motor vehicle.

Description

Can the method for electrically-energized clutch pack and motor vehicles for operating

Technical field

The present invention relates to a kind of for operation in a motor vehicle can the method for electrically-energized clutch pack, this motor vehicles have clutch, clutch actuator, for switching the manual shift element of transmission gear and for controlling the control device of clutch actuator.

Background technology

For making the driving of motor vehicles become comfortable and applicable situation, it is known that, gas pedal is not directly connected with electromotor or clutch with clutch pedal, but only in these pedal place placement sensor, these sensors read the hope of driver, and are transported to control device place. In clutch, this system is called " line traffic control clutch ". Therefore, the motor vehicles with line traffic control clutch-clutch system is different in that with the conventional motor vehicle with stick transmission, and clutch pedal is no longer directly connected to clutch. In the second designs, line traffic control clutch system is abandoned clutch pedal completely, instead, it is considered to the operation state of gas pedal carrys out controlled clutch actuator. Therefore, the conceptual understanding of line traffic control clutch is have the variator that manual shift is handled and the motor vehicles on the other hand with the clutch with clutch actuator on the one hand. Whether assess the operation state of clutch pedal or gas pedal, be unessential.

Learning a kind of method for controlling disconnecting device from DE102010034422A1, this disconnecting device is for being pointed to drive clutch between electromotor and manual transmission, in motor vehicle powertrain to handle. In this approach, pedal characteristic curve can change according to travel situations.

DE102010044402A1 describes a kind of startup/arresting stop and the corresponding method of one, and wherein, the threshold value according to handling based on clutch pedal of handling in clutch carries out.

Summary of the invention

As starting point, it is an object of the invention to provide a kind of method for operating this clutch pack, in the apparatus, clutch operating is further improved.

In order to realize this purpose, thus, it is proposed that control device according to the signal being used for making throw-out-of clutch about the sensor signal of accelerator pedal motor vehicle operation state and the sensor signal output of velocity sensor.

That is, compared with known with background technology more widely, not only consider the operation state of gas pedal, and consider the sensor signal of velocity sensor. Whether there is clutch pedal in this case, be unessential, because by considering that motor vehicle speed should realize gliding function (Segel-Funktion).

If it is therefore preferred that the speed corresponding with the sensor signal of velocity sensor exceedes predetermined threshold velocity, then the signal that output disengages. This merely means that, the signal of representation speed need not convert in SI or other unit, and it only must exceed predetermined threshold value, and wherein, this threshold value shows to travel with minimum speed. That is, once gas pedal is not manipulated by, for instance when highway driving, be activated by gliding function. Correspondingly, the preferred threshold velocity of up to 50km/h or 100km/h is produced. When exceeding first threshold speed, it is usually present exurb and travels, when exceeding Second Threshold speed, there is highway driving.

Advantageously, if gas pedal is not handled in predetermined interval length, then the signal of disengagement can be exported. That is, it not that the interruption that each so of short duration gas pedal is handled should trigger disconnecting process, but guarantee that driver does want to pattern of gliding by this interval. In such a situation it is preferred to the interval of use 2 seconds or longer time is as interval.

It can be advantageous to terminate the signal that output disengages when handling the brake pedal of motor vehicles. The one side of handling of brake pedal shows the end of glide pattern, thus can utilize the braking action of electromotor on the other hand together when braking.

Additionally, the present invention relates to a kind of motor vehicles, this motor vehicles have can electrically-energized clutch pack, clutch actuator, for switching the manual shift element of transmission gear and for controlling the control device of clutch actuator. In other words, a kind of motor vehicles with stick transmission and line traffic control clutch system is related to. It is characterized in that, control device structure and be used for performing described method.

Accompanying drawing explanation

Other advantages of the present invention, feature and details are provided by drawings described below and embodiment. In the accompanying drawings:

Fig. 1 illustrates motor vehicles; And

Fig. 2 illustrates for operate can the flow chart of method of electrically-energized clutch pack.

Detailed description of the invention

Fig. 1 illustrates have variator 2, clutch pack 3 between electromotor 4 and variator 2 and control the motor vehicles 1 of device 5. Clutch pack 3 has clutch 6 and clutch actuator 7. Additionally, have gear level 8, by the gear of the changeable variator 2 of this gear level. In this case, variator 2 is generally configured the version of intermediate transmission mechanism.

Additionally, be provided with, there is the gas pedal 9 of respective sensor 14,16 and 18, brake pedal 10 and clutch pedal 12. Velocity sensor 20 can at random construct, and can detect vehicle wheel rotational speed on the one hand, can also obtain speed on the other hand from GPS framing signal. Be used for determine motor vehicles 1 speed additive method it is also possible that.

Fig. 2 illustrates the flow chart for operating clutch pack 3. In step sl, the operation state of gas pedal 9 is inquired. In this case, in the control of clutch pack 3, only differentiate between state " manipulation " and " not handled ". If gas pedal 9 is manipulated, then repeat this inquiry after at preset time intervals. If gas pedal is not handled in contrast, then wait a predetermined interval, such as 2 seconds and determine gas pedal 9 whether in the interval length that this is predetermined by handling (step S2). If gas pedal 9 is again manipulated in predetermined interval, then as step S3, return to step S1, i.e. the inquiry to gas pedal. If gas pedal is not handled in predetermined interval in contrast, then as the speed of step S4 inquisitor motor-car.

Additionally, the signal of velocity sensor 20 is estimated. If motor vehicles is less than predetermined speed, then return to the inquiry according to step S1 in step s 5. Otherwise, a signal is sent by control device 5 to clutch actuator 7 in step s 6, so that clutch 6 disengages. Correspondingly, gliding function is activated, and motor vehicles 1 operates when not having the brake force of electromotor 4. Then, as step S7, inquiry accelerator pedal sensor 14, brake pedal sensor 16 and clutch pedal sensor 18, if having the operation of one of sensor 14,16 or 18. When accelerator pedal sensor 14 or brake pedal sensor 16 are operated, control device 5 and send a signal for making clutch 6 engage to clutch actuator 7.

In clutch pedal sensor, pedal position should be distinguished whether this is indicate that engage or disengage hope, there is no any reaction during when disengaging hope, because clutch 6 disengages. Only in from manipulated to when not handled, clutch just should be engaged again. The joint of clutch carries out in step s 8, is subsequently returned to step S1, in order to again disengage according to the signal of accelerator pedal sensor 14 and velocity sensor 20.

Reference numerals list:

1 motor vehicles

2 variators

3 clutch packs

4 electromotors

5 control device

6 clutches

7 clutch actuators

8 gear levels

9 gas pedals

10 brake pedals

12 clutch pedals

14 accelerator pedal sensors

16 brake pedal sensor

18 clutch pedal sensor

20 velocity sensors

Claims

1. one kind can the method for electrically-energized clutch pack (3) for operation in the motor vehicles (1), this motor vehicles has clutch (6), clutch actuator (7), for switching the manual shift element (8) of transmission gear and being used for controlling the control device (5) of clutch actuator (7), it is characterized in that, described control device (5) is used for the signal making clutch (6) disengage according to the sensor signal of the operation state of the gas pedal (9) about motor vehicles (1) and the sensor signal output of velocity sensor (20).

2. method according to claim 1, it is characterised in that if the speed corresponding with the sensor signal of velocity sensor (20) exceedes predetermined threshold velocity, then the signal that output disengages.

3. method according to claim 2, it is characterised in that use the speed of 50km/h as predetermined threshold velocity.

4. method according to claim 2, it is characterised in that use the speed of 100km/h as predetermined threshold velocity.

5. according to method in any one of the preceding claims wherein, it is characterised in that if gas pedal (9) is not handled in predetermined interval length, then the signal that output disengages.

6. method according to claim 5, it is characterised in that use 2 seconds as interval or interval for more time.

7., according to method in any one of the preceding claims wherein, it is characterised in that when handling brake pedal (10) of motor vehicles (1), terminate the signal that output disengages.

8. a motor vehicles (1), described motor vehicles have can electrically-energized clutch pack, clutch actuator (7), for switching the manual shift element (8) of transmission gear and be used for controlling the control device (5) of clutch actuator (7), it is characterized in that, described control device is able to carry out according to method in any one of the preceding claims wherein.