CN107816540B - A kind of electric gear change system for realizing safe driving - Google Patents
A kind of electric gear change system for realizing safe driving Download PDFInfo
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- CN107816540B CN107816540B CN201711064009.9A CN201711064009A CN107816540B CN 107816540 B CN107816540 B CN 107816540B CN 201711064009 A CN201711064009 A CN 201711064009A CN 107816540 B CN107816540 B CN 107816540B
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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
- F16H61/02—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 characterised by the signals used
- F16H61/0202—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 characterised by the signals used the signals being electric
- F16H61/0204—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 characterised by the signals used the signals being electric for gearshift control, e.g. control functions for performing shifting or generation of shift signal
- F16H61/0213—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 characterised by the signals used the signals being electric for gearshift control, e.g. control functions for performing shifting or generation of shift signal characterised by the method for generating shift signals
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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
-
- 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
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/40—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism comprising signals other than signals for actuating the final output mechanisms
- F16H63/42—Ratio indicator devices
-
- 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
- F16H61/02—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 characterised by the signals used
- F16H61/0202—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 characterised by the signals used the signals being electric
- F16H61/0204—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 characterised by the signals used the signals being electric for gearshift control, e.g. control functions for performing shifting or generation of shift signal
- F16H61/0213—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 characterised by the signals used the signals being electric for gearshift control, e.g. control functions for performing shifting or generation of shift signal characterised by the method for generating shift signals
- F16H2061/0244—Adapting the automatic ratio to direct driver requests, e.g. manual shift signals or kick down
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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
- F16H61/04—Smoothing ratio shift
- F16H2061/0488—Smoothing ratio shift during range shift from neutral (N) to drive (D)
-
- 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
- F16H2061/1284—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 sensor
-
- 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
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/40—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism comprising signals other than signals for actuating the final output mechanisms
- F16H63/42—Ratio indicator devices
- F16H2063/423—Range indicators for automatic transmissions, e.g. showing selected range or mode
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control Of Transmission Device (AREA)
Abstract
The present invention relates to a kind of electric gear change systems for realizing safe driving, send the gear changer control unit GSM that driver requests gear including control unit for automatic shift TCU, to CAN bus；It further include controlling actuator control unit GBC, the actuator control unit GBC that the actuator acts also to receive the gear for the shifting shaft that the actuator position sensor is fed back；By judge actuator position sensor whether failure, whether in limphome mode and current vehicle speed whether meet the comprehensive control realized to speed changer of the high condition of speed.Electric gear change function is realized by the control between collaboration gear changer control unit (GSM), control unit for automatic shift (TCU), actuator control unit (GBC), it can be in the case where single or multiple control units break down, it can guarantee that vehicle is in reasonable gear, it is ensured that drive safety；It is possible to prevente effectively from maloperation and occur damage automatic transmission the case where, improve speed changer service life.
Description
Technical field
The present invention relates to a kind of electric gear change systems for realizing safe driving.
Background technique
In mechanical changeover mechanism, driver passes through mechanical connection by manipulating common gear lever movement, common gear lever
Shift zipper drive automatic transmission shifting shaft rotation, to realize the switching of tetra- gears of P, R, N, D.With life water
Flat raising, more and more people wish to assist driving conditions by advanced technology, to improve traffic safety and reduction
Requirement to driving technology.Such as automatic parking, automatically by technologies such as limited road, automatic Pilots, and these technical applications
Premise be that vehicle has electric gear change function, the automatic switchover between P, R, N, D gear may be implemented.And in mechanical changeover machine
It in structure, is mechanically connected between gear lever and shifting shaft, the generation of above-mentioned phenomenon can only be avoided by driver's subjectivity, it can not be from root
It is eliminated on this.Using mechanical changeover mechanism, in order to guarantee the movement travel of common gear lever, can be occupied in the design of gear lever
Biggish console space, is unfavorable for the design of console；In the case where vehicle has been started up, do not have antitheft
Function.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of according to travel situations adjust automatically gear, improves and drives peace
The electric gear change system of the realization safe driving of full property.
In order to solve the above technical problems, the technical scheme is that a kind of electric gear change system for realizing safe driving,
Including operation module, executor module and control unit for automatic shift TCU；
The operation module includes sending the gear changer control unit GSM that driver requests gear to CAN bus；
The executor module includes: the actuator with shift axis connection, is equipped in the actuator and detects the shift
The actuator position sensor of gear locating for axis；It further include the actuator control unit GBC for controlling actuator movement, it is described
Actuator control unit GBC also receives the gear for the shifting shaft that the actuator position sensor is fed back；
The gear changer control unit GSM sends the gear request of driver to CAN bus and obtains institute from CAN bus
State the actual gear of shifting shaft；The actuator control unit GBC sends actual gear and the institute of the shifting shaft to CAN bus
State actuator position sensor whether failure；The control unit for automatic shift TCU obtains actuator position from CAN bus
Sensor whether failure, driver gear request, shifting shaft actual gear and speed；
D gear is sent to CAN bus when the gear changer control unit GSM detects the D gear request of driver, vehicle is worked as in setting
Speed is greater than 10Km/h and is then defined as speed height；
S1, judge actuator position sensor whether failure, if actuator position sensor fault-free, executes S2, if
Actuator position sensor failure then executes S3；
S2, actuator control unit GBC execute D gear；
S3, judge whether speed changer is in limphome mode,
If speed changer is in limphome mode, actuator control unit GBC executes D Blind；
If speed changer is in non-limphome mode, judge whether current vehicle speed meets the high condition of speed, if working as front truck
Speed meets the high condition of speed, then actuator control unit GBC keeps gear；If current vehicle speed is unsatisfactory for the high condition of speed,
Then actuator control unit GBC executes D Blind gear.
As a preferred technical solution, the gear changer control unit GSM and actuator control unit GBC with it is described
PWM communication line is further respectively had between control unit for automatic shift TCU.
The operation module further includes gear indicator light as a preferred technical solution, when gear changer control unit GSM is examined
The gear for measuring the shifting shaft of actuator control unit GBC feedback is not inconsistent with the gear changer control unit GSM gear requested
When, the gear indicator light flashing；It is changed described in actuator control unit GBC feedback when gear changer control unit GSM is detected
When the gear of gear shaft is consistent with the gear changer control unit GSM gear requested, the indicator light is always on for the gear.
The gear indicator light flicker cycle is 800ms as a preferred technical solution,.
S2, actuator control unit GBC execute D gear as a preferred technical solution, and the indicator light is always on for D gear；
S3, judge whether speed changer is in limphome mode,
If speed changer is in limphome mode, actuator control unit GBC executes D Blind, and D keeps off indicator light and dodges
It is bright；
If speed changer is in non-limphome mode, judge whether current vehicle speed meets the high condition of speed, if working as front truck
Speed meets the high condition of speed, then actuator control unit GBC keeps gear, and D keeps off indicator light flashing；If current vehicle speed is unsatisfactory for
The high condition of speed, then actuator control unit GBC executes D Blind gear, and D keeps off indicator light flashing.
It as a preferred technical solution, further include combination instrument, the combination instrument is for feeding back reality locating for speed changer
Border gear.
By adopting the above-described technical solution, a kind of electric gear change system for realizing safe driving, by cooperateing with selector
Control unit (GSM), control unit for automatic shift (TCU), the control between actuator control unit (GBC) realize that electronics changes
Function is kept off, can guarantee that vehicle is in reasonable gear, really in the case where single or multiple control units break down
Protect drive safety；It is possible to prevente effectively from occur the case where damaging automatic transmission generation because of the maloperation of driver, it can
To improve the service life of automatic transmission.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention without any creative labor, may be used also for those of ordinary skill in the art
To obtain other drawings based on these drawings.
Fig. 1 is control flow chart of the present invention.
Specific embodiment
A kind of electric gear change system for realizing safe driving, including operation module, executor module and automatic transmission control
Unit TCU processed.The operation module includes sending the gear changer control unit GSM that driver requests gear to CAN bus；Adjustment
The shift knob of gear and several gear indicator lights corresponding with the shift gear of knob.When gear changer control unit GSM is examined
The gear for measuring the shifting shaft of actuator control unit GBC feedback is not inconsistent with the gear changer control unit GSM gear requested
When, the gear indicator light flashing；The gear indicator light flicker cycle is 800ms.When gear changer control unit GSM is detected
When the gear of the shifting shaft of actuator control unit GBC feedback is consistent with the gear changer control unit GSM gear requested, institute
Stating gear, the indicator light is always on.Driver can be helped to judge the operating condition of speed changer by the state of gear indicator light.
The executor module includes: the actuator with shift axis connection, is equipped in the actuator and detects the shift
The actuator position sensor of gear locating for axis；It further include the actuator control unit GBC for controlling actuator movement, it is described
Actuator control unit GBC also receives the gear for the shifting shaft that the actuator position sensor is fed back.
The gear changer control unit GSM sends the gear request of driver to CAN bus and obtains institute from CAN bus
State the actual gear of shifting shaft；The actuator control unit GBC sends actual gear and the institute of the shifting shaft to CAN bus
State actuator position sensor whether failure；The control unit for automatic shift TCU obtains actuator position from CAN bus
Sensor whether failure, driver gear request, shifting shaft actual gear and speed；The gear changer control unit GSM
PWM communication line is further respectively had between the actuator control unit GBC and the control unit for automatic shift TCU.
It further include combination instrument to more intuitively react the actual gear of speed changer to driver, the combination instrument is for feeding back
Actual gear locating for speed changer.
D gear is sent to CAN bus when the gear changer control unit GSM detects the D gear request of driver, vehicle is worked as in setting
Speed is greater than 10Km/h and is then defined as speed height；As shown in Figure 1,
S1, judge actuator position sensor whether failure, if actuator position sensor fault-free, executes S2, if
Actuator position sensor failure then executes S3；
S2, actuator control unit GBC execute D gear, and the indicator light is always on for D gear；
S3, judge whether speed changer is in limphome mode,
If speed changer is in limphome mode, actuator control unit GBC executes D Blind, and D keeps off indicator light and dodges
It is bright；
If speed changer is in non-limphome mode, judge whether current vehicle speed meets the high condition of speed, if working as front truck
Speed meets the high condition of speed, then actuator control unit GBC keeps gear, and D keeps off indicator light flashing；If current vehicle speed is unsatisfactory for
The high condition of speed, then actuator control unit GBC executes D Blind gear, and D keeps off indicator light flashing.
The above shows and describes the basic principle, main features and advantages of the invention.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (6)
1. a kind of electric gear change system for realizing safe driving, it is characterised in that: including operation module, executor module and automatic
Transmission control unit TCU；
The operation module includes sending the gear changer control unit GSM that driver requests gear to CAN bus；
The executor module includes: the actuator with shift axis connection, is equipped in the actuator and detects the shifting shaft institute
Locate the actuator position sensor of gear；It further include the actuator control unit GBC for controlling the actuator movement, the execution
Device control unit GBC also receives the gear for the shifting shaft that the actuator position sensor is fed back；
The gear changer control unit GSM sends the gear request of driver to CAN bus and changes described in acquisition from CAN bus
The actual gear of gear shaft；The actuator control unit GBC sends the actual gear of the shifting shaft to CAN bus and described holds
Row device position sensor whether failure；The control unit for automatic shift TCU obtains actuator position sensing from CAN bus
Device whether failure, driver gear request, shifting shaft actual gear and speed；
D gear is sent to CAN bus when the gear changer control unit GSM detects the D gear request of driver, setting is big when speed
Speed height is then defined as in 10Km/h；
The electric gear change system is able to carry out following steps:
S1, judge actuator position sensor whether failure, if actuator position sensor fault-free, executes S2, if execute
Device position sensor failure then executes S3；
S2, actuator control unit GBC execute D gear；
S3, judge whether speed changer is in limphome mode,
If speed changer is in limphome mode, actuator control unit GBC executes D Blind；
If speed changer is in non-limphome mode, judge whether current vehicle speed meets the high condition of speed, if current vehicle speed is full
The high condition of sufficient speed, then actuator control unit GBC keeps gear；If current vehicle speed is unsatisfactory for the high condition of speed, hold
Row device control unit GBC executes D Blind gear.
2. a kind of electric gear change system for realizing safe driving as described in claim 1, it is characterised in that: the selector control
PWM is further respectively had between unit GSM processed and the actuator control unit GBC and the control unit for automatic shift TCU
Communication line.
3. a kind of electric gear change system for realizing safe driving as described in claim 1, it is characterised in that: the operation module
It further include gear indicator light, when gear changer control unit GSM detects the shifting shaft of actuator control unit GBC feedback
When gear and the gear of gear changer control unit GSM request are not inconsistent, the gear indicator light flashing；Work as gear changer control unit
GSM detects the gear of the shifting shaft of actuator control unit GBC feedback and the gear of gear changer control unit GSM request
When being consistent, the indicator light is always on for the gear.
4. a kind of electric gear change system for realizing safe driving as claimed in claim 3, it is characterised in that: the gear instruction
Lamp flicker cycle is 800ms.
5. a kind of electric gear change system for realizing safe driving as claimed in claim 3, it is characterised in that:
S2, actuator control unit GBC execute D gear, and the indicator light is always on for D gear；
S3, judge whether speed changer is in limphome mode, if speed changer is in limphome mode, actuator control is single
First GBC executes D Blind, and D keeps off indicator light flashing；
If speed changer is in non-limphome mode, judge whether current vehicle speed meets the high condition of speed, if current vehicle speed is full
The high condition of sufficient speed, then actuator control unit GBC keeps gear, and D keeps off indicator light flashing；
If current vehicle speed is unsatisfactory for the high condition of speed, actuator control unit GBC executes D Blind gear, and D keeps off indicator light and dodges
It is bright.
6. a kind of electric gear change system for realizing safe driving as described in claim 1, it is characterised in that: further include combination instrument
Table, the combination instrument is for feeding back actual gear locating for speed changer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711064009.9A CN107816540B (en) | 2017-11-02 | 2017-11-02 | A kind of electric gear change system for realizing safe driving |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711064009.9A CN107816540B (en) | 2017-11-02 | 2017-11-02 | A kind of electric gear change system for realizing safe driving |
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| Publication Number | Publication Date |
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| CN107816540A CN107816540A (en) | 2018-03-20 |
| CN107816540B true CN107816540B (en) | 2019-07-12 |
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| CN201711064009.9A Active CN107816540B (en) | 2017-11-02 | 2017-11-02 | A kind of electric gear change system for realizing safe driving |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111781910A (en) * | 2020-06-16 | 2020-10-16 | 中国第一汽车股份有限公司 | Automatic testing arrangement based on automotive electronics shift system |
| CN115076364B (en) * | 2022-06-01 | 2024-07-09 | 中国第一汽车股份有限公司 | Hybrid power gear shifting system and fault diagnosis processing method thereof |
| CN115163824B (en) * | 2022-06-27 | 2023-10-24 | 中国第一汽车股份有限公司 | P-gear executing device fault processing method and P-gear executing device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008064177A (en) * | 2006-09-06 | 2008-03-21 | Jatco Ltd | Failure control device for automatic transmission during vehicle stop |
| CN106402370A (en) * | 2016-12-02 | 2017-02-15 | 安徽江淮汽车集团股份有限公司 | Fault treatment method and system of automatic transmission accelerator pedal |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101567646B1 (en) * | 2013-12-18 | 2015-11-09 | 현대자동차주식회사 | Dct control method for vehicle |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008064177A (en) * | 2006-09-06 | 2008-03-21 | Jatco Ltd | Failure control device for automatic transmission during vehicle stop |
| CN106402370A (en) * | 2016-12-02 | 2017-02-15 | 安徽江淮汽车集团股份有限公司 | Fault treatment method and system of automatic transmission accelerator pedal |
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