CN105650267B - A kind of vehicle shift control method - Google Patents
A kind of vehicle shift control method Download PDFInfo
- Publication number
- CN105650267B CN105650267B CN201610158579.3A CN201610158579A CN105650267B CN 105650267 B CN105650267 B CN 105650267B CN 201610158579 A CN201610158579 A CN 201610158579A CN 105650267 B CN105650267 B CN 105650267B
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- control unit
- gear
- knob
- sensor
- position sensor
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- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000011217 control strategy Methods 0.000 claims abstract description 8
- BULVZWIRKLYCBC-UHFFFAOYSA-N phorate Chemical compound CCOP(=S)(OCC)SCSCC BULVZWIRKLYCBC-UHFFFAOYSA-N 0.000 claims description 7
- 239000008186 active pharmaceutical agent Substances 0.000 claims description 6
- 230000002159 abnormal effect Effects 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims description 2
- 230000000630 rising effect Effects 0.000 claims 1
- 230000005611 electricity Effects 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- 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
-
- 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
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/30—Constructional features of the final output mechanisms
- F16H63/32—Gear shift yokes, e.g. shift forks
-
- 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
- F16H2306/00—Shifting
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 vehicle shift control method, vehicle shift control apparatus includes knob selector, gearshift plectrum and gear box control unit, three is connected with CAN and exchanges gear data, and the gear box control unit determines to send gear execute instruction according to the gear request instruction and vehicle speed of the knob selector and the gearshift plectrum.The present invention is based on knob selector, and control strategy is more accurate so that the entrance of gear and moves out more accurate, while improves vehicle overall operation performance.
Description
Technical field
The present invention relates to Mechanical course field, and in particular to a kind of vehicle shift control method.
Background technology
Passenger car selector can be divided into according to control mode difference：Push-down zip selector, push-down line traffic control
Three kinds of selector and knob selector, push-down line traffic control selector and knob selector, which progressively substitute, in recent years pushes away
Rod-type zip selector is widely used, and following knob selector will progressively substitute the above two and is widely current.
Knob selector is usually to be received by lifting motor, electromagnet, travelling gear, gear groove, position sensor, CAN
Device, motor drive ic, solenoid actuated chip, power conversion chip, control unit (MCU) etc. is sent out to form.Control unit
(MCU) according to the presence or absence of vehicle KL30 electricity and KL15 electricity situation, the control to lifting motor is performed, the lifting for completing knob is moved
Make；Control unit (MCU) judges that knob asks gear positions by gathering the value of position sensor, please by CAN transceiver
Ask gear to be sent to TCU, gear shift operation is finally performed by TCU；Control unit (MCU) is sentenced by conditions such as speed, rotating speed, times
Whether disconnected current gear needs to lock or unlock, and then DM works or do not worked.
But the control logic of existing knob selector is complicated, error rate is higher, therefore is badly in need of a kind of knob and changes
Lug-latch and corresponding vehicle shift control method solve this technical problem.
The content of the invention
Present invention aims at a kind of vehicle shift control method is provided, pass through the structure to knob selector and control
Adjustment on strategy is to overcome or at least mitigate the drawbacks described above of prior art.
To achieve the above object, the present invention provides a kind of vehicle shift control method, and vehicle shift control apparatus includes rotation
Button formula selector, gearshift plectrum and gear box control unit, three are connected with CAN and exchange gear data, the change
Fast case control unit determines institute according to the gear request instruction and vehicle speed of the knob selector and the gearshift plectrum
Send gear execute instruction.
For above-mentioned technical proposal, inventor also has further optimal enforcement scheme.
Preferably, the knob selector includes：
For detecting a pair of position sensors of its knob position, respectively first position sensor and second place sensing
Device, two position sensors detect a positional information of the knob selector simultaneously；With
Data input is detected to control unit, described control unit in control unit, the position of described two position sensors
The request gear positions of the knob selector are judged by the value of two position sensors.
Preferably, the position sensor is linear Hall position sensor, and the linear Hall position sensor is certainly
Ten gear positions information, respectively P, PR, R, RN, N, ND, D, DS, S, Error are generated after study, including effective shelves
Position position is：P, R, N, D, S, intervening gears position are：PR, RN, ND, DS, mistake gear positions are：Error.
Further, described control unit judges that the control strategy of the request gear positions of the knob selector is specific such as
Under：When the first position sensor same effective gear positions corresponding with the calibration value of the second place sensor,
The knob selector directly sends gear request instruction to the CAN；Otherwise the counter in described control unit
Numerical value from increase, the first position sensor and the second place are then judged when the numerical value of the counter is more than threshold value
Failure in sensor be present and the gear box control unit is reported to by the CAN.
Preferably, described control unit judges that the control strategy of the request gear positions of the knob selector specifically wraps
Include：
Strategy 1：
It is normal in the first position sensor and the second place sensor, and the first position sensor with
When the calibration value of the second place sensor corresponds to same effective gear positions, the knob selector is directly to described
CAN sends gear request instruction；
It is normal in the first position sensor and the second place sensor, but the first position sensor
When corresponding to different effective gear positions respectively from the calibration value of the second place sensor, often there is once the then control
Counter+8 in unit, if the calibration value of the first position sensor and the second place sensor occurs once in midway
Corresponding same effectively gear positions then counter -1 in described control unit, in this way, after timet, such as described control is single
During Counter Value ＞ 255 in member, the knob selector sends wrong gear information by CAN network, while judges two
The equal failure of individual position sensor simultaneously reports to the gear box control unit；
Strategy 2：
It is abnormal in the first position sensor and the second place sensor, and the first position sensor with
When the corresponding middle gear positions of the calibration value of the second place sensor or wrong gear positions, often occur once then described
Counter+8 in control unit, if the mark of the first position sensor and the second place sensor occurs once in midway
Definite value corresponds to same effectively gear positions then counter -1 in described control unit, in this way, after timet, it is such as described to control
During Counter Value in unit processed≤255, the knob selector passes through CAN network and sends last effective gear information；
During such as Counter Value ＞ 255 in described control unit, the knob selector sends wrong gear by CAN network to be believed
Breath, while judge the equal failure of two position sensors and report to the gear box control unit.Sensed in the first position
Device and the second place sensor are abnormal, and the calibration value of the first position sensor and the second place sensor
During corresponding wrong gear positions, often there is once the counter+8 in then described control unit, if midway occurs once described the
One position sensor same effectively gear positions then described control unit corresponding with the calibration value of the second place sensor
In counter -1, in this way, after timet, during such as the Counter Value in described control unit≤255, the knob gearshift
Device sends last effective gear information by CAN network；During such as Counter Value ＞ 255 in described control unit, the rotation
Button formula selector sends wrong gear information by CAN network, while judges the equal failure of two position sensors and report to institute
State gear box control unit.
Strategy 3：
In the first position sensor and the second place sensor, if the first position sensor is corresponding
Effective gear positions, when the second place sensor corresponds to wrong gear positions or intervening gears position, then the knob
Formula selector takes the gear positions of the first position sensor to send gear request instruction to the CAN, and described
The numerical value+8 of counter of two position sensors in described control unit, when the error counter of the second place sensor
During value ＞ 255, the knob selector judges the second place sensor fault and reports to the gearbox control list
Member.
Preferably, the knob selector includes control unit, lifting motor and knob, and the lifting motor is arranged on
Below the knob, and it is connected with described control unit, described control unit is according to the vehicle electrifying condition control lifting electricity
The work of machine, for completing the lifting action of the knob.
Preferably, electromagnet shift-lock is additionally provided with the knob selector, the electromagnet shift-lock is needing to lock
Only vehicle but automatic pick when not stepping on brake pedal, the knob selector is locked at P gears or N is kept off.
Preferably, in addition to instrument, the instrument are connected with the CAN, work as receiving and showing from CAN
Preceding gear.
Relative to scheme of the prior art, it is an advantage of the invention that：
The present invention provides new overall control method for vehicle shift control, based on knob selector, controls plan
It is slightly more fine so that the entrance of gear and to move out more accurate, while improve vehicle overall operation performance.
Brief description of the drawings
Below in conjunction with the accompanying drawings and embodiment the invention will be further described：
Fig. 1 is the circuit theory schematic diagram of vehicle shift control system described in the embodiment of the present invention.
Embodiment
To make the purpose, technical scheme and advantage that the present invention is implemented clearer, below in conjunction with the embodiment of the present invention
Accompanying drawing, the technical scheme in the embodiment of the present invention is further described in more detail.In the accompanying drawings, identical from beginning to end or class
As label represent same or similar element or the element with same or like function.Described embodiment is the present invention
Part of the embodiment, rather than whole embodiments.The embodiments described below with reference to the accompanying drawings are exemplary, it is intended to uses
It is of the invention in explaining, and be not considered as limiting the invention.Based on the embodiment in the present invention, ordinary skill people
The every other embodiment that member is obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.Under
Embodiments of the invention are described in detail with reference to accompanying drawing for face.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", "front", "rear",
The orientation or position relationship of the instruction such as "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer " is based on accompanying drawing institutes
The orientation or position relationship shown, it is for only for ease of the description present invention and simplifies description, rather than instruction or the dress for implying meaning
Put or element there must be specific orientation, with specific azimuth configuration and operation, therefore it is not intended that the present invention is protected
The limitation of scope.
According to a kind of vehicle shift control method of a broad embodiment of the invention, vehicle shift control apparatus includes knob
Formula selector, gearshift plectrum and gear box control unit, three are connected with CAN and exchange gear data, the speed change
Case control unit determines to be sent out according to the gear request instruction and vehicle speed of the knob selector and the gearshift plectrum
Go out gear execute instruction.
The knob selector includes：
For detecting a pair of position sensors of its knob position, respectively first position sensor and second place sensing
Device, two position sensors detect a positional information of the knob selector simultaneously；And control unit, described two positions
Position detection data input to control unit, the described control unit for putting sensor is sentenced by the value of two position sensors
The request gear positions of the disconnected knob selector.
Preferably, the position sensor is linear Hall position sensor, and the linear Hall position sensor is certainly
Ten gear positions information, respectively P, PR, R, RN, N, ND, D, DS, S, Error are generated after study, including effective shelves
Position position is：P, R, N, D, S, intervening gears position are：PR, RN, ND, DS, mistake gear positions are：Error.
Further, described control unit judges that the control strategy of the request gear positions of the knob selector is specific such as
Under：When the first position sensor same effective gear positions corresponding with the calibration value of the second place sensor,
The knob selector directly sends gear request instruction to the CAN；Otherwise the counter in described control unit
Numerical value from increase, the first position sensor and the second place are then judged when the numerical value of the counter is more than threshold value
Failure in sensor be present and the gear box control unit is reported to by the CAN.
Preferably, described control unit judges that the control strategy of the request gear positions of the knob selector specifically wraps
Three strategies are included, it is specific as follows：
Strategy 1：
It is normal in the first position sensor and the second place sensor, and the first position sensor with
When the calibration value of the second place sensor corresponds to same effective gear positions, the knob selector is directly to described
CAN sends gear request instruction；It is normal in the first position sensor and the second place sensor, but institute
When stating first position sensor and corresponding to different effective gear positions respectively from the calibration value of the second place sensor, often go out
The now once then counter+8 in described control unit, if the first position sensor and the second occurs once in midway
The calibration value for putting sensor corresponds to same effectively gear positions then counter -1 in described control unit, in this way, in time T
When afterwards, such as the Counter Value ＞ 255 in described control unit, the knob selector sends wrong gear by CAN network
Information, while judge the equal failure of two position sensors and report to the gear box control unit.
Strategy 2：
It is abnormal in the first position sensor and the second place sensor, and the first position sensor with
When the corresponding middle gear positions of the calibration value of the second place sensor or wrong gear positions, often occur once then described
Counter+8 in control unit, if the mark of the first position sensor and the second place sensor occurs once in midway
Definite value corresponds to same effectively gear positions then counter -1 in described control unit, in this way, after timet, it is such as described to control
During Counter Value in unit processed≤255, the knob selector passes through CAN network and sends last effective gear information；
During such as Counter Value ＞ 255 in described control unit, the knob selector sends wrong gear by CAN network to be believed
Breath, while judge the equal failure of two position sensors and report to the gear box control unit.Sensed in the first position
Device and the second place sensor are abnormal, and the calibration value of the first position sensor and the second place sensor
During corresponding wrong gear positions, often there is once the counter+8 in then described control unit, if midway occurs once described the
One position sensor same effectively gear positions then described control unit corresponding with the calibration value of the second place sensor
In counter -1, in this way, after timet, during such as the Counter Value in described control unit≤255, the knob gearshift
Device sends last effective gear information by CAN network；During such as Counter Value ＞ 255 in described control unit, the rotation
Button formula selector sends wrong gear information by CAN network, while judges the equal failure of two position sensors and report to institute
State gear box control unit.
Strategy 3：
In the first position sensor and the second place sensor, if the first position sensor is corresponding
Effective gear positions, when the second place sensor corresponds to wrong gear positions or intervening gears position, then the knob
Formula selector takes the gear positions of the first position sensor to send gear request instruction to the CAN, and described
The numerical value+8 of counter of two position sensors in described control unit, when the error counter of the second place sensor
During value ＞ 255, the knob selector judges the second place sensor fault and reports to the gearbox control list
Member.
Preferably, the knob selector includes control unit, lifting motor and knob, and the lifting motor is arranged on
Below the knob, and it is connected with described control unit, described control unit is according to the vehicle electrifying condition control lifting electricity
The work of machine, for completing the lifting action of the knob.
Preferably, electromagnet shift-lock is additionally provided with the knob selector, the electromagnet shift-lock is needing to lock
Only vehicle but automatic pick when not stepping on brake pedal, the knob selector is locked at P gears or N is kept off.
Preferably, in addition to instrument, the instrument are connected with the CAN, work as receiving and showing from CAN
Preceding gear.
The present invention provides new overall control method for vehicle shift control, based on knob selector, controls plan
It is slightly more fine so that the entrance of gear and to move out more accurate, while improve vehicle overall operation performance.
It is last it is to be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations.To the greatest extent
The present invention is described in detail with reference to the foregoing embodiments for pipe, it will be understood by those within the art that：It is still
Technical scheme described in foregoing embodiments can be modified, or which part technical characteristic is equally replaced
Change；And these modifications or replacement, the essence of appropriate technical solution is departed from the essence of various embodiments of the present invention technical scheme
God and scope.
Claims (7)
1. a kind of vehicle shift control method, vehicle shift control apparatus includes knob selector, gearshift plectrum and gearbox
Control unit, three are connected with CAN and exchange gear data, and the gear box control unit changes according to the knob
The gear request instruction and vehicle speed of lug-latch and the gearshift plectrum determine to send gear execute instruction；
Wherein, the knob selector includes：
For detecting a pair of position sensors of its knob position, respectively first position sensor and second place sensor,
Two position sensors detect a positional information of the knob selector simultaneously；With
Control unit, position detection data input to control unit, the described control unit of described two position sensors pass through
The value of two position sensors judges the request gear positions of the knob selector；
Described control unit judges that the control strategy of the request gear positions of the knob selector is specially：
Strategy 1：
It is normal in the first position sensor and the second place sensor, and the first position sensor with it is described
When the calibration value of second place sensor corresponds to same effective gear positions, the knob selector is directly to the CAN
Bus sends gear request instruction；
It is normal in the first position sensor and the second place sensor, but the first position sensor and institute
When stating the calibration value of second place sensor and corresponding to different effective gear positions respectively, often there is once then described control unit
In counter+8, if midway occur once the first position sensor it is corresponding with the calibration value of the second place sensor
Same effectively gear positions then counter -1 in described control unit, in this way, after timet, in described control unit
Counter Value ＞ 255 when, the knob selector sends wrong gear information by CAN network, while judges two positions
Put the equal failure of sensor and report to the gear box control unit.
2. vehicle shift control method according to claim 1, it is characterised in that the position sensor is linear Hall
Position sensor, the linear Hall position sensor generate ten gear positions information after self study, respectively P, PR, R,
RN, N, ND, D, DS, S, Error, including effective gear positions are：P, R, N, D, S, intervening gears position are：PR、RN、
ND, DS, mistake gear positions are：Error.
3. vehicle shift control method according to claim 2, it is characterised in that described control unit judges the knob
The control strategy of the request gear positions of formula selector is specific as follows：When the first position sensor and the second place pass
When the calibration value of sensor corresponds to same effective gear positions, the knob selector directly sends gear to the CAN
Position request instruction；Otherwise the numerical value of the counter in described control unit is from increasing, when the numerical value of the counter is more than threshold value
Then judge the first position sensor with failure be present in the second place sensor and reported to by the CAN
The gear box control unit.
4. vehicle shift control method according to claim 2, it is characterised in that described control unit judges the knob
The control strategy of the request gear positions of formula selector specifically also includes：
Strategy 2：
It is abnormal in the first position sensor and the second place sensor, and the first position sensor with it is described
When the corresponding middle gear positions of the calibration value of second place sensor or wrong gear positions, often there is once the then control
Counter+8 in unit, if the calibration value of the first position sensor and the second place sensor occurs once in midway
Corresponding same effectively gear positions then counter -1 in described control unit, in this way, after timet, such as described control is single
During Counter Value in member≤255, the knob selector passes through CAN network and sends last effective gear information；As institute
When stating the Counter Value ＞ 255 in control unit, the knob selector sends wrong gear information by CAN network, together
When judge the equal failure of two position sensors and report to the gear box control unit；
Strategy 3：
In the first position sensor and the second place sensor, if the first position sensor correspond to it is effective
Gear positions, when the second place sensor corresponds to wrong gear positions or intervening gears position, then the knob changes
Lug-latch takes the gear positions of the first position sensor to send gear request instruction to the CAN, and the second
The numerical value+8 of counter of the sensor in described control unit is put, as the error counter value ＞ of the second place sensor
When 255, the knob selector judges the second place sensor fault and reports to the gear box control unit.
5. vehicle shift control method according to claim 1, it is characterised in that the knob selector also includes rising
Motor and knob are dropped, and the lifting motor is arranged on below the knob, and is connected with described control unit, described control unit
The work of the lifting motor is controlled according to vehicle electrifying condition, for completing the lifting action of the knob.
6. vehicle shift control method according to claim 1, it is characterised in that be additionally provided with the knob selector
Electromagnet shift-lock, electromagnet shift-lock automatic pick when needing locking vehicle but not stepping on brake pedal, by the rotation
Button formula selector is locked at P gears or N gears.
7. the vehicle shift control method according to claim 1 to 6 any one, it is characterised in that also including instrument, institute
State instrument with the CAN to be connected, for receiving from CAN and showing current shift.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610158579.3A CN105650267B (en) | 2016-03-18 | 2016-03-18 | A kind of vehicle shift control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610158579.3A CN105650267B (en) | 2016-03-18 | 2016-03-18 | A kind of vehicle shift control method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105650267A CN105650267A (en) | 2016-06-08 |
| CN105650267B true CN105650267B (en) | 2018-01-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610158579.3A Active CN105650267B (en) | 2016-03-18 | 2016-03-18 | A kind of vehicle shift control method |
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| CN (1) | CN105650267B (en) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107783455B (en) * | 2016-08-31 | 2019-10-11 | 长城汽车股份有限公司 | Knob process for gear |
| CN106369154B (en) * | 2016-08-31 | 2018-11-16 | 简式国际汽车设计（北京）有限公司 | Knob shift control mechanism and its safe process for gear |
| CN106382364A (en) * | 2016-08-31 | 2017-02-08 | 南京奥联汽车电子技术有限公司 | Rotary knob type drive-by-wire gear shifter |
| CN107253481B (en) * | 2017-05-27 | 2020-04-03 | 北京新能源汽车股份有限公司 | Electronic gear shifting processing method and device and automobile |
| CN107859736B (en) * | 2017-11-02 | 2020-01-14 | 盛瑞传动股份有限公司 | Gear shifting control method with reversing protection function |
| CN107575564A (en) * | 2017-11-02 | 2018-01-12 | 盛瑞传动股份有限公司 | A kind of electric gear change system |
| CN107631018A (en) * | 2017-11-02 | 2018-01-26 | 盛瑞传动股份有限公司 | A kind of control method for knob of shifting gears |
| CN108468799A (en) * | 2018-01-17 | 2018-08-31 | 宁波高发汽车控制***股份有限公司 | A kind of detection method and device of knob selector gear positions |
| CN109578574B (en) * | 2018-10-08 | 2021-02-26 | 宁波高发汽车控制***股份有限公司 | Control method of knob gear shifter |
| CN109572700A (en) * | 2018-10-08 | 2019-04-05 | 宁波高发汽车控制***股份有限公司 | A kind of shift control method and system |
| CN112161055B (en) * | 2020-10-16 | 2022-04-01 | 南京奥联汽车电子电器股份有限公司 | Gear detection system and detection method for automobile electronic gear shifter |
| CN113119722B (en) * | 2021-03-04 | 2022-08-05 | 深圳华美和控制***有限公司 | Calibration method of knob type electronic gear shifter, electronic equipment and storage medium |
| CN114087354B (en) * | 2021-11-13 | 2022-11-22 | 安徽江淮汽车集团股份有限公司 | Manual gear shifting control method for electronic gear shifting vehicle with gear shifting plectrum |
| CN114439915A (en) * | 2021-11-18 | 2022-05-06 | 广西宁达汽车科技有限公司 | Gear shifting system, gear shifting method, storage medium and electric automobile |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3478029B2 (en) * | 1996-11-22 | 2003-12-10 | アイシン・エィ・ダブリュ株式会社 | Electronic control unit with position detection switch for automatic transmission |
| DE19938528A1 (en) * | 1999-08-13 | 2001-02-15 | Audi Ag | Control device for automatically and manually shiftable transmissions |
| CN101230913B (en) * | 2008-01-18 | 2010-11-03 | 华夏龙晖（北京）汽车电子科技有限公司 | Automatic gear box control method and device |
| CN104373595B (en) * | 2013-08-13 | 2017-03-01 | 上海通用汽车有限公司 | The gear recognition methodss of automatic mechanical transmission AMT and method for diagnosing faults |
| CN103883726A (en) * | 2014-03-20 | 2014-06-25 | 科世达（上海）管理有限公司 | Rotary type electronic shifter and gear switching system |
-
2016
- 2016-03-18 CN CN201610158579.3A patent/CN105650267B/en active Active
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| CN105650267A (en) | 2016-06-08 |
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