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A method for improving the driving feeling of an industrial vehicle

A technology of industrial vehicles and electric industrial vehicles, which is applied in the field of new energy industrial vehicles, can solve problems such as impact control and failure to play a role, and achieve the effect of shortening time and improving driving feeling of heavy-duty climbing

Active Publication Date: 2022-04-15
河南嘉晨智能控制股份有限公司
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Problems solved by technology

However, when the integral accumulation is very large, but the saturation threshold has not been reached, it cannot play a very good role.
Lowering the threshold will affect the normal control

Method used

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  • A method for improving the driving feeling of an industrial vehicle
  • A method for improving the driving feeling of an industrial vehicle

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Embodiment Construction

[0022] A detailed description will be given below in conjunction with the accompanying drawings.

[0023] figure 1 and figure 2 As shown, the present invention provides a method for improving the driving feeling of an industrial vehicle, which is used to solve the problem that the driving feeling of the vehicle, especially the heavy-duty industrial vehicle, does not match the actual speed and the command speed when driving, which is different from the normal situation. problem of differences. Industrial vehicles are different from ordinary civilian vehicles. Their operating parameters such as load size, load range, passing road conditions, and changes in the center of gravity of the vehicle body are different from civilian vehicles. Taking a heavy-duty new energy electric forklift as an example, when driving on a slope During the process, if the driver releases the accelerator to seek vehicle braking, the correct and ideal situation is that the vehicle responds to the drive...

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Abstract

A method for improving the driving feeling of an industrial vehicle, based on the speed difference ΔN obtained by the difference between the command speed in the control system of the electric industrial vehicle and the actual speed obtained by measuring the movement of the vehicle, taking the different acceleration or deceleration dynamic adjustment modes of industrial vehicles as The division basis is processed separately. After the speed difference ΔN exceeds the given speed threshold ΔNref, the acceleration and deceleration proportional factor K is calculated based on the speed difference as input, and the acceleration and deceleration proportional factor K is used to control the command speed under acceleration or deceleration conditions. Adjustment, so that the command speed is adjusted to be adjusted to be closer to the actual speed to regulate the speed of the industrial vehicle.

Description

technical field [0001] The invention relates to the field of new energy industrial vehicles, in particular to a method for improving the driving experience of industrial vehicles. Background technique [0002] Industrial vehicles, especially heavy-duty industrial vehicles that are different from ordinary civilian vehicles, such as cranes, forklifts, excavators, forklifts and other heavy-duty vehicles, when climbing or overloading, one of the ideal requirements is to drive After the driver releases the accelerator, the vehicle should stop as soon as possible to prevent the uncontrolled feeling that the vehicle continues to move forward in a short time. However, due to certain reasons, the vehicle will not be able to stop in time, which will cause the driver to have an abnormal driving feeling that the vehicle is not controlled. This also has a certain impact on the stability control of industrial vehicles. The control effect of conventional industrial vehicles and A large pa...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60L15/20
CPCB60L15/20B60L2240/12B60L2240/421B60L2240/429Y02T10/72
Inventor 张筑亚姚欣李飞
Owner 河南嘉晨智能控制股份有限公司
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