CN111216550A - Gear shifting control method for automobile monostable gear shifter - Google Patents
Gear shifting control method for automobile monostable gear shifter Download PDFInfo
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- CN111216550A CN111216550A CN202010018914.6A CN202010018914A CN111216550A CN 111216550 A CN111216550 A CN 111216550A CN 202010018914 A CN202010018914 A CN 202010018914A CN 111216550 A CN111216550 A CN 111216550A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K20/00—Arrangement or mounting of change-speed gearing control devices in vehicles
- B60K20/02—Arrangement or mounting of change-speed gearing control devices in vehicles of initiating means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K23/00—Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T7/00—Brake-action initiating means
- B60T7/02—Brake-action initiating means for personal initiation
- B60T7/04—Brake-action initiating means for personal initiation foot actuated
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Arrangement Or Mounting Of Control Devices For Change-Speed Gearing (AREA)
- Control Of Transmission Device (AREA)
Abstract
The invention discloses a gear shifting control method of an automobile monostable gear shifter, which comprises the following steps: the monostable shifter includes a lever resettable to a steady position, the lever for toggling forward or backward in a straight line, the actuation of the monostable shifter transmitting a corresponding actuation signal to the CAN bus, the method comprising: pushing up one or pushing two gears from the steady state position of the shift lever, or pulling down one or pulling two gears from the steady state position of the shift lever; when the force applied to the gear shifting rod is released, the gear shifting rod automatically rebounds to a stable position, the stable position is located in the middle of a linear groove where the gear shifting rod CAN act, every time the gear shifting rod performs action, two signals CAN be sent to a CAN bus, and the signal values of the two signals are in opposite sequence. The invention can reduce the requirement on the moving direction of the gear shifting rod, is convenient for the user to operate, and increases the verification on the reliability of the gear shifting action.
Description
Technical Field
The invention relates to the technical field of automobiles, in particular to a gear shifting control method of an automobile monostable gear shifter.
Background
The automobile gear controller is an indispensable device of an automobile, a traditional mechanical gear shifter is a handle type mechanical gear shifting mechanism generally, the traditional mechanical gear shifter is arranged at the position of an auxiliary instrument panel or a center console, and due to the requirements of functions and operation space of the gear shifter, the core part of the gear shifter is often complex in structure, the size is correspondingly large, the gear shifter is often limited in design of an operation instrument panel and the center console, and the operation automation degree is low.
Along with the rapid development of the automobile industry technology, more and more automatic gear models adopt electronic gear shifters. Currently, the electronic gear shifters available on the market mainly comprise three types: a stopper type, a knob type, and a button type. The pressure of the traditional gear shifter on the space arrangement and the gear shifting novelty can be relieved to a certain extent by the electronic gear shifter. However, the conventional electronic gear shifter has high requirement on the moving direction of the gear shifting rod, is inconvenient for user operation, and lacks verification on the reliability of gear shifting action.
Disclosure of Invention
Therefore, the invention aims to provide a gear shifting control method of an automobile monostable gear shifter, which is used for reducing the requirement on the moving direction of a gear shifting rod, facilitating the operation of a user and increasing the verification on the reliability of the gear shifting action.
A gear shifting control method of an automobile monostable gear shifter comprises the following steps:
the monostable gear shifter comprises a gear shifting lever capable of resetting to a steady-state position, the gear shifting lever is used for shifting forwards or backwards on a straight line, corresponding operation action signals are sent to a CAN bus when the monostable gear shifter is operated to act, and in a fuel oil power vehicle type, a gear shifting signal is received by a gearbox control unit through the CAN bus to arbitrate whether the gear is switched to a target gear; in a pure electric vehicle type, a vehicle controller receives a gear shifting signal through a CAN bus to arbitrate whether a gear is switched to a target gear, and the method comprises the following steps:
pushing up one or pushing two gears from the steady state position of the shift lever, or pulling down one or pulling two gears from the steady state position of the shift lever;
when the force applied to the gear shifting rod is released, the gear shifting rod automatically rebounds to a stable position, the stable position is located in the middle of the linear groove where the gear shifting rod CAN act, every time the gear shifting rod performs action, two signals are sent to the CAN bus, and the signal values of the two signals are in opposite orders.
According to the gear shifting control method of the automobile monostable gear shifter provided by the invention, the monostable gear shifter comprises a gear shifting lever capable of resetting to a steady state position, the gear shifting lever is shifted forwards or backwards on a straight line, one gear or two gears are pushed upwards from the steady state position of the gear shifting lever, or one gear or two gears are pulled downwards from the steady state position of the gear shifting lever, so that gear shifting operation is realized, the gear shifting lever CAN automatically rebound to the steady state position after the application force on the gear shifting lever is released, the requirement on the moving direction of the gear shifting lever is reduced, the operation by a user is facilitated, a corresponding operation action signal is sent to a CAN bus when the monostable gear shifter is operated, two signals are sent to the CAN bus every time the gear shifting lever performs action, the signal values of the two signals are in opposite sequence and are used as redundancy check, and the verification on the reliability of the gear shifting action is realized.
In addition, according to the shift control method of the vehicle monostable shifter, the following additional technical characteristics can be provided:
furthermore, be equipped with the UNLOCK button on the gear level, on the UNLOCK button pressed down state signal and sent to the CAN bus, the operation the gear level need cooperate simultaneously to press when shifting gears UNLOCK button.
Furthermore, a P-gear button is arranged above the gear shift lever, when the vehicle speed is smaller than the vehicle speed threshold value, the gear can be switched to the P gear from any other gear by pressing the P-gear button, in the operation of the monostable shifter, the P gear can be engaged only by pressing the P-gear button, the P gear cannot be engaged through the operation of the gear shift lever and the UNLOCK button, and the P gear can only be engaged and the gear switching can be carried out between RND gears.
Further, the method further comprises:
when the gear of the whole vehicle is in an N gear, the gear shift lever is pushed up once or twice, the UNLOCK key is pressed down, the brake pedal is stepped, and when the vehicle speed is less than the vehicle speed threshold value, the gear can be switched to an R gear; pulling down the gear shift lever once or twice, and stepping down a brake pedal, wherein when the vehicle speed is less than the vehicle speed threshold value, the gear can be switched to a D gear; and when the vehicle speed is less than the vehicle speed threshold value, pressing the P gear button, and engaging the gear into the P gear.
Further, the method further comprises:
when the gear of the whole vehicle is in the R gear, the gear lever is pushed up once or twice, and the gear state is kept unchanged; pulling down the gear shift lever once, and shifting the gear to N gear; pulling down the gear shift lever twice, and stepping down a brake pedal, wherein when the vehicle speed is less than the vehicle speed threshold value, the gear is switched to a D gear; and when the vehicle speed is less than the vehicle speed threshold value, pressing the P gear button, and engaging the gear into the P gear.
Further, the method further comprises:
when the gear of the whole vehicle is in a D gear, the gear shift lever is pushed up twice, the UNLOCK button is pressed down, the brake pedal is stepped, and when the vehicle speed is less than the vehicle speed threshold value, the gear can be switched to an R gear; pushing up the gear shifting lever once, and shifting the gear to an N gear; pulling down the gear shift lever once or twice, and keeping the gear state unchanged; and when the vehicle speed is less than the vehicle speed threshold value, pressing the P gear button, and engaging the gear into the P gear.
Further, the method further comprises:
when the gear of the whole vehicle is in a P gear, the gear shift lever is pushed up once, the UNLOCK button is pressed down, the brake pedal is stepped down, and the gear is switched to an N gear; pushing up the gear shift lever twice, pressing down the UNLOCK key, stepping down a brake pedal, and switching the gear to an R gear; pulling down the gear shift lever once, pressing down the UNLOCK key, stepping down a brake pedal, and switching the gear to an N gear; pulling down the gear shift lever twice, pressing down the UNLOCK key, stepping down a brake pedal, and switching the gear to a D gear; and pressing the UNLOCK key to keep the gear P unchanged.
Further, the condition that the gearbox control unit or the vehicle control unit judges whether the gears are switched includes:
the CAN signals sent by the monostable shifter executing action comprise a signal that the gear shifting lever is pushed up or pulled down, a signal that whether the UNLOCK key is pressed down and a signal that whether the P-shift key is pressed down;
when the speed of the vehicle is greater than a set value, the electronic vehicle body stabilizing system prohibits the gear from being switched to the gear which CAN enable the vehicle to run in the opposite direction;
the state signal of whether the brake pedal is stepped on, in the fuel oil power vehicle type, a brake pedal switch is connected to an engine control unit through a hard wire, and a brake pedal state CAN signal is sent out through the engine control unit; in the pure electric vehicle type, a brake pedal switch is connected to the vehicle control unit through a hard wire.
Drawings
The above and/or additional aspects and advantages of embodiments of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic diagram of logic interaction of a shift control method of a monostable shift for an automobile in accordance with an embodiment of the invention applied to a fuel-powered vehicle;
fig. 2 is a logic interaction diagram of the shift control method of the vehicle monostable shifter according to the embodiment of the invention applied to the pure electric vehicle type.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 and 2, in an embodiment of the shift control method for the monostable shifter of the automobile according to the present invention, the monostable Shifter (SCU) includes a shift lever that CAN be reset to a steady position, the shift lever is used for shifting forward or backward on a straight line, when the monostable shifter is operated to perform an action, a corresponding operation action signal is sent to a CAN bus, and in a fuel-powered vehicle, a Transmission Control Unit (TCU) receives a shift signal through the CAN bus to arbitrate whether a shift position is switched to a target shift position; in the pure electric vehicle type, a Vehicle Control Unit (VCU) receives a gear shifting signal through a CAN bus to arbitrate whether a gear is switched to a target gear, and the method comprises the following steps of S101-S102:
s101, pushing UP a first gear UP or pushing two gears UP _ UP from the steady state position of the shift lever, or pulling DOWN a first gear DOWN or pulling two gears DOWN _ DOWN from the steady state position of the shift lever;
s102, after the application force on the gear shifting lever is released, the gear shifting lever automatically rebounds to a stable position, the stable position is located in the middle of a linear groove where the gear shifting lever CAN act, every time the gear shifting lever performs action, two signals are sent to a CAN bus, and the signal values of the two signals are in opposite sequence.
The unlocking button is arranged on the gear shifting lever, and is specifically arranged above the left side of the gear shifting lever. Whether the UNLOCK key is pressed down state signals are sent to a CAN bus, and the UNLOCK key needs to be pressed down in a matching mode when the gear shifting lever is operated to shift gears. The gear shift lever needs to be matched with and pressed down the UNLOCK key when shifting gears to ensure that the gear shift action is the initiative intention of a driver, and the gear shift lever is prevented from being touched by mistake and possibly causing unintended gear shift
A P-shift key is arranged above the shift lever, and the P-shift key is arranged right above the shift lever, for example.
The gear that monostable selector possess has four gears of PRND, and the going into of P shelves passes through P shelves button, and RND shelves are pushed up the cooperation of pulling down and UNLOCK button through the gear level and are switched.
Specifically, when the vehicle speed is less than the vehicle speed threshold (e.g., 3km/h, the same applies below), the shift range can be switched from any other shift range to the P shift range by pressing the P shift button, the P shift range can be engaged only by pressing the P shift button in the operation of the monostable shifter, the P shift range cannot be engaged by the operation of the shift lever and the UNLOCK button, and the P shift range can be engaged only and the shift range can be switched between the RND shift ranges.
The condition that whether the gear is switched or not is judged by the gearbox control unit (for a fuel oil power vehicle type) or the vehicle controller (for a pure electric vehicle type) comprises the following conditions:
the CAN signals sent by the monostable shifter executing action comprise a signal that the gear shifting lever is pushed up or pulled down, a signal that whether the UNLOCK key is pressed down and a signal that whether the P-shift key is pressed down;
the electronic vehicle body stabilizing system sends a vehicle speed signal to the CAN bus, and when the vehicle speed is greater than a set value (for example, 50km/h), the gear is forbidden to be switched to the gear which CAN enable the vehicle to run in the opposite direction;
the method comprises the following steps that (1) a state signal indicating whether a brake pedal is stepped is obtained, in a fuel oil power vehicle type, a brake pedal switch is connected to an engine control unit (EMS) through a hard wire, and a brake pedal state CAN signal is sent out through the engine control unit; in the pure electric vehicle type, a brake pedal switch is connected to the vehicle control unit through a hard wire.
It should be noted that the monostable shifter transmits a shifter state signal to the CAN bus, and when the shifter state signal is normal and has no fault and the shift sensor signal is normal, the corresponding operation signal of the shifter is valid.
When the monostable shifter is applied to a fuel oil power vehicle type, the TCU judges whether gears are switched or not, and the judging condition needs to receive a vehicle speed signal and a brake pedal state signal on a CAN bus besides receiving a CAN signal sent by the shifter.
When the monostable shifter is applied to a pure electric vehicle, the VCU judges whether the gears are switched, and the judgment condition needs to receive a vehicle speed signal on a CAN bus and a brake pedal state signal which is connected to the VCU through a hard wire besides the CAN signal sent by the shifter.
The gearbox control unit TCU or the vehicle control unit VCU CAN send a gear state signal of the whole vehicle to the CAN bus after executing gear switching, the monostable shifter receives the gear state signal and then lights a gear indicator lamp corresponding to the front of the shift lever to prompt a user of the current gear state of the vehicle, and the gear indicator lamp CAN feed back the gear to the TCU or the VCU to display a correct CAN signal.
In addition, please refer to table 1, the method for controlling shifting of the vehicle monostable shifter further includes:
when the gear of the whole vehicle is in an N gear, the gear shift lever is pushed up once or twice, the UNLOCK key is pressed down, the brake pedal is stepped, and when the vehicle speed is less than the vehicle speed threshold value, the gear can be switched to an R gear; pulling down the gear shift lever once or twice, and stepping down a brake pedal, wherein when the vehicle speed is less than the vehicle speed threshold value, the gear can be switched to a D gear; and when the vehicle speed is less than the vehicle speed threshold value, pressing the P gear button, and engaging the gear into the P gear.
When the gear of the whole vehicle is in the R gear, the gear lever is pushed up once or twice, and the gear state is kept unchanged; pulling down the gear shift lever once, and shifting the gear to N gear; pulling down the gear shift lever twice, and stepping down a brake pedal, wherein when the vehicle speed is less than the vehicle speed threshold value, the gear is switched to a D gear; and when the vehicle speed is less than the vehicle speed threshold value, pressing the P gear button, and engaging the gear into the P gear.
When the gear of the whole vehicle is in a D gear, the gear shift lever is pushed up twice, the UNLOCK button is pressed down, the brake pedal is stepped, and when the vehicle speed is less than the vehicle speed threshold value, the gear can be switched to an R gear; pushing up the gear shifting lever once, and shifting the gear to an N gear; pulling down the gear shift lever once or twice, and keeping the gear state unchanged; and when the vehicle speed is less than the vehicle speed threshold value, pressing the P gear button, and engaging the gear into the P gear.
When the gear of the whole vehicle is in a P gear, the gear shift lever is pushed up once, the UNLOCK button is pressed down, the brake pedal is stepped down, and the gear is switched to an N gear; pushing up the gear shift lever twice, pressing down the UNLOCK key, stepping down a brake pedal, and switching the gear to an R gear; pulling down the gear shift lever once, pressing down the UNLOCK key, stepping down a brake pedal, and switching the gear to an N gear; pulling down the gear shift lever twice, pressing down the UNLOCK key, stepping down a brake pedal, and switching the gear to a D gear; and pressing the UNLOCK key to keep the gear P unchanged.
TABLE 1 Shift logic policy Table
Optionally, a gear indicator lamp is further arranged on the gear shift lever, for example, on the front surface of the gear shift lever, and is used for displaying the state of the whole vehicle gear to prompt a user whether the gear is shifted or not. And when the gear is successfully switched to the target gear, the gear is used for indicating the state of the whole vehicle gear of the user.
According to the gear shifting control method of the automobile monostable gear shifter provided by the embodiment, the monostable gear shifter comprises a gear shifting rod capable of being reset to a steady state position, the gear shifting rod is shifted forwards or backwards on a straight line, one gear is pushed upwards or two gears are pushed from the steady state position of the gear shifting rod, or one gear is pulled downwards or two gears are pulled from the steady state position of the gear shifting rod, gear shifting operation is achieved, the gear shifting rod CAN automatically rebound to the steady state position after force applied to the gear shifting rod is released, requirements on the moving direction of the gear shifting rod are reduced, user operation is facilitated, corresponding operation action signals CAN be sent to a CAN bus when the monostable gear shifter is operated, two signals CAN be sent to the CAN bus when the gear shifting rod performs action once, the signal values of the two signals are in opposite sequencing and are used as redundancy check, and verification on reliability of the gear shifting action is achieved.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (8)
1. A gear shifting control method of an automobile monostable gear shifter is characterized in that the monostable gear shifter comprises a gear shifting lever capable of being reset to a steady state position, the gear shifting lever is used for shifting forwards or backwards on a straight line, when the monostable gear shifter is operated to act, a corresponding operation action signal is sent to a CAN bus, and in a fuel oil power automobile, a gearbox control unit receives a gear shifting signal through the CAN bus to arbitrate whether a gear is shifted to a target gear; in a pure electric vehicle type, a vehicle controller receives a gear shifting signal through a CAN bus to arbitrate whether a gear is switched to a target gear, and the method comprises the following steps:
pushing up one or pushing two gears from the steady state position of the shift lever, or pulling down one or pulling two gears from the steady state position of the shift lever;
when the force applied to the gear shifting rod is released, the gear shifting rod automatically rebounds to a stable position, the stable position is located in the middle of the linear groove where the gear shifting rod CAN act, every time the gear shifting rod performs action, two signals are sent to the CAN bus, and the signal values of the two signals are in opposite orders.
2. The method as claimed in claim 1, wherein the gearshift lever is provided with an UNLOCK button, and the UNLOCK button is pressed or not, and a status signal is sent to a CAN bus, and the UNLOCK button is pressed simultaneously when the gearshift lever is operated to shift gears.
3. The method for controlling shifting of a shift gate of an automobile according to claim 2, wherein a P-range button is provided above the shift lever, and when the vehicle speed is less than the vehicle speed threshold, the shift gate can be shifted from any other shift gate to the P-range, and in the operation of the shift gate, the P-range can be engaged only by pressing the P-range button, and the P-range can not be engaged by the operation of the shift lever and the UNLOCK button, and only the P-range can be engaged and the shift gate can be switched between RND ranges.
4. The method of shift control of an automotive monostable shifter of claim 3 further including:
when the gear of the whole vehicle is in an N gear, the gear shift lever is pushed up once or twice, the UNLOCK key is pressed down, the brake pedal is stepped, and when the vehicle speed is less than the vehicle speed threshold value, the gear can be switched to an R gear; pulling down the gear shift lever once or twice, and stepping down a brake pedal, wherein when the vehicle speed is less than the vehicle speed threshold value, the gear can be switched to a D gear; and when the vehicle speed is less than the vehicle speed threshold value, pressing the P gear button, and engaging the gear into the P gear.
5. The method of shift control of an automotive monostable shifter of claim 3 further including:
when the gear of the whole vehicle is in the R gear, the gear lever is pushed up once or twice, and the gear state is kept unchanged; pulling down the gear shift lever once, and shifting the gear to N gear; pulling down the gear shift lever twice, and stepping down a brake pedal, wherein when the vehicle speed is less than the vehicle speed threshold value, the gear is switched to a D gear; and when the vehicle speed is less than the vehicle speed threshold value, pressing the P gear button, and engaging the gear into the P gear.
6. The method of shift control of an automotive monostable shifter of claim 3 further including:
when the gear of the whole vehicle is in a D gear, the gear shift lever is pushed up twice, the UNLOCK button is pressed down, the brake pedal is stepped, and when the vehicle speed is less than the vehicle speed threshold value, the gear can be switched to an R gear; pushing up the gear shifting lever once, and shifting the gear to an N gear; pulling down the gear shift lever once or twice, and keeping the gear state unchanged; and when the vehicle speed is less than the vehicle speed threshold value, pressing the P gear button, and engaging the gear into the P gear.
7. The method of shift control of an automotive monostable shifter of claim 3 further including:
when the gear of the whole vehicle is in a P gear, the gear shift lever is pushed up once, the UNLOCK button is pressed down, the brake pedal is stepped down, and the gear is switched to an N gear; pushing up the gear shift lever twice, pressing down the UNLOCK key, stepping down a brake pedal, and switching the gear to an R gear; pulling down the gear shift lever once, pressing down the UNLOCK key, stepping down a brake pedal, and switching the gear to an N gear; pulling down the gear shift lever twice, pressing down the UNLOCK key, stepping down a brake pedal, and switching the gear to a D gear; and pressing the UNLOCK key to keep the gear P unchanged.
8. The shift control method of an automotive monostable shifter according to claim 3, characterized in that:
the condition that whether the gearbox control unit or the vehicle control unit judges the gear to be switched comprises the following steps:
the CAN signals sent by the monostable shifter executing action comprise a signal that the gear shifting lever is pushed up or pulled down, a signal that whether the UNLOCK key is pressed down and a signal that whether the P-shift key is pressed down;
when the speed of the vehicle is greater than a set value, the electronic vehicle body stabilizing system prohibits the gear from being switched to the gear which CAN enable the vehicle to run in the opposite direction;
the state signal of whether the brake pedal is stepped on, in the fuel oil power vehicle type, a brake pedal switch is connected to an engine control unit through a hard wire, and a brake pedal state CAN signal is sent out through the engine control unit; in the pure electric vehicle type, a brake pedal switch is connected to the vehicle control unit through a hard wire.
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| CN113202922A (en) * | 2021-05-19 | 2021-08-03 | 东风汽车集团股份有限公司 | Gear switching control method of vehicle rocker type electronic gear shifter |
| CN114754133A (en) * | 2022-03-28 | 2022-07-15 | 上汽通用五菱汽车股份有限公司 | Hybrid platform truck type gear control system and control method based on single-gear speed reducer |
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| CN108506467A (en) * | 2017-02-24 | 2018-09-07 | 现代自动车株式会社 | Shift lever mechanism with neutral gear gear shift lock |
| CN107654630A (en) * | 2017-09-11 | 2018-02-02 | 奇瑞汽车股份有限公司 | A kind of monostable electric gear change mechanism and its process for gear |
| CN110375064A (en) * | 2019-06-14 | 2019-10-25 | 广汽零部件有限公司 | A kind of the push-down electronic gear shifter and process for gear of optional driving style |
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| CN112377613A (en) * | 2020-09-30 | 2021-02-19 | 上汽通用五菱汽车股份有限公司 | Gear shifting control method of automobile electronic gear shifting system |
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Application publication date: 20200602 |