CN115675101B - New energy heavy truck sliding feedback torque adjustment control method - Google Patents
New energy heavy truck sliding feedback torque adjustment control method Download PDFInfo
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- CN115675101B CN115675101B CN202211653182.3A CN202211653182A CN115675101B CN 115675101 B CN115675101 B CN 115675101B CN 202211653182 A CN202211653182 A CN 202211653182A CN 115675101 B CN115675101 B CN 115675101B
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- 238000001514 detection method Methods 0.000 claims abstract description 42
- 238000004891 communication Methods 0.000 claims abstract description 7
- 230000001105 regulatory effect Effects 0.000 claims 2
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000011217 control strategy Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
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Abstract
The invention discloses a new energy heavy truck sliding feedback torque regulation control method, and the related hardware comprises a whole vehicle controller, a regulation control unit, an accelerator pedal signal detection unit, a vehicle speed signal detection unit, a motor controller and a driving motor; the whole vehicle controller is respectively in communication connection with the adjusting control unit, the accelerator pedal signal detection unit, the vehicle speed signal detection unit and the motor controller, and the motor controller is electrically connected with the driving motor; the beneficial technical effects of the invention are as follows: the new energy heavy truck sliding feedback torque adjusting control method is provided, and the scheme enables a driver to actively adjust the sliding feedback torque according to the driving habit of the driver and the current vehicle and road conditions.
Description
Technical Field
The invention relates to a new energy automobile sliding feedback technology, in particular to a new energy heavy truck sliding feedback torque adjusting and controlling method.
Background
The sliding energy feedback function refers to the purpose of energy recovery by controlling the motor with negative torque after a driver releases an accelerator pedal in the running process of the vehicle. At present, in a common sliding energy feedback function strategy, the magnitude of a sliding feedback target torque is generally adjusted only by referring to a vehicle speed condition, and under the control strategy, a driver cannot adjust the feedback target torque according to a load condition (light load, medium load and heavy load), a vehicle application scene (flat road and downhill) and a driving habit, so that the vehicle drivability and driving experience are affected.
Disclosure of Invention
Aiming at the problems in the background technology, the invention provides a new energy heavy truck sliding feedback torque adjustment control method, and the related hardware comprises a whole vehicle controller, an adjustment control unit, an accelerator pedal signal detection unit, a vehicle speed signal detection unit, a motor controller and a driving motor;
The whole vehicle controller is respectively in communication connection with the adjusting control unit, the accelerator pedal signal detection unit, the vehicle speed signal detection unit and the motor controller, and the motor controller is electrically connected with the driving motor;
the method is characterized in that: the new energy heavy truck sliding feedback torque adjusting control method comprises the following steps:
the adjusting control unit comprises a function trigger button, a function closing button, a turn-up button and a turn-down button;
The driver activates a sliding feedback torque adjusting function by operating a function trigger button;
After the sliding feedback torque adjusting function is activated, a driver can control the adjusting control unit to output an adjusting signal to the whole vehicle controller by operating the adjusting button or the reducing button; the adjusting signals comprise a big adjusting signal and a small adjusting signal, the big adjusting button corresponds to the big adjusting signal, and the small adjusting button corresponds to the small adjusting signal; the adjustment quantity of the turn-up signal and the turn-down signal is a percentage value;
The vehicle speed signal detection unit continuously outputs a detection signal to the whole vehicle controller, and the whole vehicle controller performs table lookup according to the detection signal of the vehicle speed signal detection unit to obtain a sliding feedback Map torque corresponding to the current vehicle speed;
After receiving the adjusting signal, the whole vehicle controller calculates the sliding feedback target torque in real time according to the sliding feedback Map torque and the adjusting signal:
coasting feedback target torque = coasting feedback Map torque x adjustment signal
The accelerator pedal signal detection unit continuously outputs a detection signal to the whole vehicle controller, the whole vehicle controller identifies the accelerator opening according to the detection signal of the accelerator pedal signal detection unit, if the accelerator opening is not 0, the whole vehicle controller closes the sliding energy feedback function, and if the accelerator opening is 0, the whole vehicle controller activates the sliding energy feedback function;
When the sliding energy feedback function is activated, the whole vehicle controller sends sliding feedback target torque to the motor controller; the motor controller controls the running state of the driving motor according to the sliding feedback target torque;
the driver can turn off the coasting feedback torque adjustment function via the function off button.
After the scheme is adopted, a driver can actively adjust the sliding feedback torque according to different vehicle loading conditions, different vehicle application scenes and different driving habits, so that the vehicle can adapt to the driving habits of different drivers and meet the driving performance requirements of the vehicle under different conditions.
Preferably, when the driver turns off the coasting feedback torque adjusting function through the function turning off button, the adjusting control unit stores the current value of the adjusting signal; when the sliding feedback torque adjusting function is activated again, the adjusting control unit generates a corresponding adjusting signal according to the stored value and outputs the adjusting signal to the whole vehicle controller. After the storage function is provided, the usability of the sliding feedback torque adjusting function can be further improved, and a driver does not need to frequently adjust.
Preferably, when the coasting feedback torque adjusting function is activated, if the driver does not operate the adjusting control unit within a set time, the adjusting control unit is automatically turned off after the time passes. The automatic closing function can prevent the driver from forgetting to close the adjustment control unit; in practice, the time may be set to 30 minutes or 1 hour, or may be set by the driver.
Preferably, the adjusting steps of the adjusting signal and the adjusting signal are 5%; the maximum value of the adjustment signal is 100% and the minimum value of the adjustment signal is 0.
Preferably, the adjusting control unit is in communication connection with the whole vehicle controller through a steering wheel controller, and the steering wheel controller transmits an adjusting signal output by the adjusting control unit to the whole vehicle controller. For ease of operation, the corresponding buttons of the adjustment control unit may be provided on the steering wheel, and therefore, the adjustment control unit may be connected to the vehicle control unit through the steering wheel controller.
In the implementation, the whole vehicle controller is also in communication connection with a display instrument, the whole vehicle controller sends the percentage values of the sliding feedback target torque and the sliding feedback Map torque to the display instrument, the display instrument displays the percentage values, and a driver can know the current parameters by observing the display instrument.
The beneficial technical effects of the invention are as follows: the new energy heavy truck sliding feedback torque adjusting control method is provided, and the scheme enables a driver to actively adjust the sliding feedback torque according to the driving habit of the driver and the current vehicle and road conditions.
Drawings
FIG. 1, an electrical schematic diagram of the present invention;
The names corresponding to the marks in the figure are respectively: the vehicle speed control device comprises a vehicle controller 1, an adjustment control unit 2, an accelerator pedal signal detection unit 3, a vehicle speed signal detection unit 4, a motor controller 5 and a driving motor 6.
Detailed Description
The new energy heavy truck sliding feedback torque regulation control method comprises the following steps of a whole vehicle controller 1, a regulation control unit 2, an accelerator pedal signal detection unit 3, a vehicle speed signal detection unit 4, a motor controller 5 and a driving motor 6;
The whole vehicle controller 1 is respectively in communication connection with an adjusting control unit 2, an accelerator pedal signal detection unit 3, a vehicle speed signal detection unit 4 and a motor controller 5, and the motor controller 5 is electrically connected with a driving motor 6;
the innovation is that: the new energy heavy truck sliding feedback torque adjusting control method comprises the following steps:
The adjusting control unit 2 comprises a function trigger button, a function closing button, a turn-up button and a turn-down button;
The driver activates a sliding feedback torque adjusting function by operating a function trigger button;
After the sliding feedback torque adjusting function is activated, a driver can control the adjusting control unit 2 to output an adjusting signal to the whole vehicle controller 1 by operating the adjusting button or the reducing button; the adjusting signals comprise a big adjusting signal and a small adjusting signal, the big adjusting button corresponds to the big adjusting signal, and the small adjusting button corresponds to the small adjusting signal; the adjustment quantity of the turn-up signal and the turn-down signal is a percentage value;
The vehicle speed signal detection unit 4 continuously outputs detection signals to the whole vehicle controller 1, and the whole vehicle controller 1 performs table lookup according to the detection signals of the vehicle speed signal detection unit 4 to obtain the sliding feedback Map torque corresponding to the current vehicle speed;
after receiving the adjusting signal, the whole vehicle controller 1 calculates the sliding feedback target torque in real time according to the sliding feedback Map torque and the adjusting signal:
coasting feedback target torque = coasting feedback Map torque x adjustment signal
The accelerator pedal signal detection unit 3 continuously outputs a detection signal to the whole vehicle controller 1, the whole vehicle controller 1 identifies the accelerator opening according to the detection signal of the accelerator pedal signal detection unit 3, if the accelerator opening is not 0, the whole vehicle controller 1 closes the sliding energy feedback function, and if the accelerator opening is 0, the whole vehicle controller 1 activates the sliding energy feedback function;
when the sliding energy feedback function is activated, the whole vehicle controller 1 sends sliding feedback target torque to the motor controller 5; the motor controller 5 controls the running state of the driving motor 6 according to the sliding feedback target torque;
the driver can turn off the coasting feedback torque adjustment function via the function off button.
Further, when the driver turns off the coasting feedback torque adjusting function through the function turning off button, the adjusting control unit 2 stores the current value of the adjusting signal; when the coasting feedback torque adjusting function is activated again, the adjusting control unit 2 generates a corresponding adjusting signal according to the stored value and outputs the adjusting signal to the whole vehicle controller 1.
Further, when the coasting feedback torque adjusting function is activated, if the driver does not operate the adjusting control unit 2 within a set time, the adjusting control unit 2 is automatically turned off after the time elapses.
Further, the adjusting steps of the adjusting signal and the adjusting signal are 5%; the maximum value of the adjustment signal is 100% and the minimum value of the adjustment signal is 0.
Further, the adjusting control unit 2 is in communication connection with the whole vehicle controller 1 through a steering wheel controller, and the steering wheel controller transmits an adjusting signal output by the adjusting control unit 2 to the whole vehicle controller 1.
Examples:
1. when the vehicle slides on the flat road, the driver releases the accelerator, the vehicle enters a sliding mode, the whole vehicle controller 1 activates a sliding energy feedback function, and in the process, if the driver feels that the sliding speed is too fast to drop or the sliding distance is too short, the driver can activate a sliding feedback torque adjusting function to adjust the sliding feedback target torque to be smaller until the optimal driving comfort performance required by the driver is achieved.
2. When the vehicle runs downhill, the driver releases the accelerator, the vehicle enters a sliding mode, the whole vehicle controller 1 activates a sliding energy feedback function, and in the process, when the driver feels that the sliding speed is too slow to fall or the sliding distance is too long, the driver can activate a sliding feedback torque adjusting function to adjust the sliding feedback target torque to be larger until the optimal driving comfort performance required by the driver is achieved.
Claims (1)
1. The utility model provides a new energy heavy truck sliding feedback torque regulation control method, the hardware that involves includes whole vehicle control unit (1), regulation control unit (2), accelerator pedal signal detection unit (3), speed signal detection unit (4), motor control unit (5) and driving motor (6);
the whole vehicle controller (1) is respectively in communication connection with the adjusting control unit (2), the accelerator pedal signal detection unit (3), the vehicle speed signal detection unit (4) and the motor controller (5), and the motor controller (5) is electrically connected with the driving motor (6);
the method is characterized in that: the new energy heavy truck sliding feedback torque adjusting control method comprises the following steps:
the adjusting control unit (2) comprises a function trigger button, a function closing button, a turn-up button and a turn-down button;
The driver activates a sliding feedback torque adjusting function by operating a function trigger button;
After the sliding feedback torque adjusting function is activated, a driver can control the adjusting control unit (2) to output an adjusting signal to the whole vehicle controller (1) by operating the big adjusting button or the small adjusting button; the adjusting signals comprise a big adjusting signal and a small adjusting signal, the big adjusting button corresponds to the big adjusting signal, and the small adjusting button corresponds to the small adjusting signal; the adjustment quantity of the turn-up signal and the turn-down signal is a percentage value;
The vehicle speed signal detection unit (4) continuously outputs a detection signal to the whole vehicle controller (1), and the whole vehicle controller (1) performs table lookup according to the detection signal of the vehicle speed signal detection unit (4) to obtain a sliding feedback Map torque corresponding to the current vehicle speed;
after receiving the adjusting signal, the whole vehicle controller (1) calculates the sliding feedback target torque in real time according to the sliding feedback Map torque and the adjusting signal:
coasting feedback target torque = coasting feedback Map torque x adjustment signal
The accelerator pedal signal detection unit (3) continuously outputs a detection signal to the whole vehicle controller (1), the whole vehicle controller (1) identifies the accelerator opening according to the detection signal of the accelerator pedal signal detection unit (3), if the accelerator opening is not 0, the whole vehicle controller (1) closes the sliding energy feedback function, and if the accelerator opening is 0, the whole vehicle controller (1) activates the sliding energy feedback function;
When the sliding energy feedback function is activated, the whole vehicle controller (1) sends sliding feedback target torque to the motor controller (5); the motor controller (5) controls the running state of the driving motor (6) according to the sliding feedback target torque;
the driver can close the sliding feedback torque adjusting function through the function closing button;
When the driver closes the sliding feedback torque adjusting function through the function closing button, the adjusting control unit (2) stores the current value of the adjusting signal; when the sliding feedback torque adjusting function is activated again, the adjusting control unit (2) generates a corresponding adjusting signal according to the stored numerical value and outputs the adjusting signal to the whole vehicle controller (1);
when the coasting feedback torque adjusting function is activated, if a driver does not operate the adjusting control unit (2) within a set time, the adjusting control unit (2) is automatically closed after overtime;
the adjusting step distance of the adjusting signal and the adjusting signal is 5%; the maximum value of the regulating signal is 100%, and the minimum value of the regulating signal is 0;
The steering wheel controller transmits an adjusting signal output by the adjusting control unit (2) to the whole vehicle controller (1).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211653182.3A CN115675101B (en) | 2022-12-22 | 2022-12-22 | New energy heavy truck sliding feedback torque adjustment control method |
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| CN202211653182.3A CN115675101B (en) | 2022-12-22 | 2022-12-22 | New energy heavy truck sliding feedback torque adjustment control method |
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| CN115675101A CN115675101A (en) | 2023-02-03 |
| CN115675101B true CN115675101B (en) | 2024-04-26 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107650909A (en) * | 2016-07-26 | 2018-02-02 | 比亚迪股份有限公司 | Vehicle and its slide energy feedback control system and method, torque adjusting device |
| CN110385997A (en) * | 2019-06-26 | 2019-10-29 | 江铃汽车股份有限公司 | A kind of energy reclaiming method and system |
| CN110562046A (en) * | 2019-08-09 | 2019-12-13 | 武汉格罗夫氢能汽车有限公司 | Driving characteristic-adjustable hydrogen energy automobile real-time interaction system and control method thereof |
| CN113147425A (en) * | 2021-04-21 | 2021-07-23 | 北京汽车股份有限公司 | Method for recovering multi-gear new energy vehicle in sliding process |
| WO2021197441A1 (en) * | 2020-04-02 | 2021-10-07 | 长城汽车股份有限公司 | Energy recovery control method and system, and vehicle |
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- 2022-12-22 CN CN202211653182.3A patent/CN115675101B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107650909A (en) * | 2016-07-26 | 2018-02-02 | 比亚迪股份有限公司 | Vehicle and its slide energy feedback control system and method, torque adjusting device |
| CN110385997A (en) * | 2019-06-26 | 2019-10-29 | 江铃汽车股份有限公司 | A kind of energy reclaiming method and system |
| CN110562046A (en) * | 2019-08-09 | 2019-12-13 | 武汉格罗夫氢能汽车有限公司 | Driving characteristic-adjustable hydrogen energy automobile real-time interaction system and control method thereof |
| WO2021197441A1 (en) * | 2020-04-02 | 2021-10-07 | 长城汽车股份有限公司 | Energy recovery control method and system, and vehicle |
| CN113147425A (en) * | 2021-04-21 | 2021-07-23 | 北京汽车股份有限公司 | Method for recovering multi-gear new energy vehicle in sliding process |
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| CN115675101A (en) | 2023-02-03 |
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