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Control method, system and vehicle for suppressing body shake

A technology of a control system and a control method, applied in electric vehicles, control drives, control devices, etc., can solve the problems of low torque control accuracy of the whole vehicle, improve the torque control accuracy of the whole vehicle, eliminate discomfort, and reduce the frequency Effect

Inactive Publication Date: 2020-08-28
BORGWARD AUTOMOTIVE CHINA CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Embodiments of the present invention provide a control method, system, and vehicle for suppressing vehicle body shake, to at least solve the problem of vehicle torque caused by superimposing a torque to suppress fluctuations in motor speed during the process of suppressing body shake in the prior art. Technical problem of low control precision

Method used

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  • Control method, system and vehicle for suppressing body shake
  • Control method, system and vehicle for suppressing body shake
  • Control method, system and vehicle for suppressing body shake

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Embodiment 1

[0032] According to an embodiment of the present invention, an embodiment of a control system for suppressing vehicle body vibration is provided. It should be noted that the steps shown in the flow chart of the accompanying drawings can be executed in a computer system such as a set of computer-executable instructions, and , although a logical order is shown in the flowcharts, in some cases the steps shown or described may be performed in an order different from that shown or described herein.

[0033] figure 1 is a schematic structural diagram of a control system for suppressing vehicle body shake according to an embodiment of the present invention, as figure 1 As shown, the control system for suppressing body shake includes:

[0034] Shake suppression switch 12, motor controller 14, drive motor 16 and sensor 18, wherein, sensor 18 is configured at the wheel place, is used for collecting the acceleration of wheel; Motor controller 14, is connected with drive motor 16, is use...

Embodiment 2

[0066] According to an embodiment of the present invention, an embodiment of a control method for suppressing body vibration is provided. It should be noted that the steps shown in the flow charts of the accompanying drawings can be executed in a computer system such as a set of computer-executable instructions, and , although a logical order is shown in the flowcharts, in some cases the steps shown or described may be performed in an order different from that shown or described herein.

[0067] Figure 5 is a schematic flowchart of a control method for suppressing vehicle body shake according to an embodiment of the present invention, as Figure 5 As shown, the method includes the following steps:

[0068] Step S502, collecting the acceleration of the wheel and the speed acceleration of the driving motor corresponding to the wheel;

[0069] Step S504, outputting a vibration suppression control signal according to the acceleration of the wheel and the rotational speed accele...

Embodiment 3

[0089] According to yet another aspect of the embodiments of the present invention, there is also provided a car, including: a pure electric car, a gasoline-electric hybrid car, or a steam-point hybrid car, wherein the car includes: a control system for suppressing body shake, suppressing The control system for vehicle body vibration includes the control system for suppressing vehicle body vibration in the first embodiment above.

[0090] The serial numbers of the above embodiments of the present invention are for description only, and do not represent the advantages and disadvantages of the embodiments.

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Abstract

The invention discloses a control method and system for suppressing automobile body shaking and an automobile. According to the control method for suppressing automobile body shaking, a shaking suppression switch, a motor controller, a drive motor and sensors are arranged; the sensors are arranged on wheels and used for acquiring the accelerated speed of the wheels; the motor controller is connected with the drive motor and used for acquiring the accelerated rotation speed of the drive motor corresponding to the wheels; and the shaking suppression switch is connected with the sensors and the motor controller and used for outputting a shaking suppression control signal according to the accelerated speed of the wheels and the accelerated rotation speed of the drive motor. The technical problem that in the automobile body shaking suppression treatment process in the prior art, the fluctuation of the rotation speed of the motor is suppressed through superposition of the torque, and thus the whole automobile torque control accuracy is low is solved.

Description

technical field [0001] The invention relates to the application field of automobile technology, in particular to a control method, system and automobile for suppressing body shake. Background technique [0002] At present, the development of new energy vehicles in the domestic market is very rapid, and all major traditional automobile manufacturers have invested in the research and development and production of new energy vehicles. There is a problem in the current pure electric vehicles, that is, in the process of starting the vehicle, there is vibration of the vehicle body due to the gap of the drive train and the stiffness of the motor suspension. Therefore, many motor controllers have the function of vibration suppression. The realization principle is in A torque is superimposed on the basis of the current torque to suppress the fluctuation of the motor speed, thereby eliminating the vibration of the vehicle. However, there is a problem with this method, that is, the ou...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60L15/28
CPCB60L15/28B60L2240/423Y02T10/72
Inventor 王英杰杨卓刘春苹史晓波熊丽满
Owner BORGWARD AUTOMOTIVE CHINA CO LTD
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