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Four-gear gear shifting control method for electric automobile

A control method and technology for electric vehicles, applied in electric vehicles, control drives, control devices, etc., can solve the problems of inability to meet the driver's driving style and mode, single vehicle power control mode, single driving style, etc., to improve the vehicle. The effect of maneuverability, increased energy recovery, and enhanced driving pleasure

Pending Publication Date: 2020-11-10
NANJING GOLDEN DRAGON BUS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The existing electric vehicle shifter has a single gear position, only one forward gear, a single driving style, and a single vehicle power control mode, which cannot meet the diverse driving styles and modes of drivers.

Method used

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  • Four-gear gear shifting control method for electric automobile
  • Four-gear gear shifting control method for electric automobile

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Experimental program
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Effect test

Embodiment Construction

[0019] The present invention will be further described below in conjunction with the accompanying drawings.

[0020] The four-gear shift control method of the electric vehicle of the present invention comprises the following steps:

[0021] Step 1: Depress the brake pedal and turn the knob to the R position of the reverse gear. When the vehicle stops or the forward speed is less than 1km / h, it is determined that the reverse gear is valid;

[0022] Loosen the accelerator pedal and turn the knob to the reverse gear R gear position, only when the backward moving speed is greater than 1km / h, it is determined that the reverse gear is valid.

[0023] Step 2: Turn the knob to the neutral gear N position. If you try to switch to a gear that is prohibited by the current vehicle driving status, the system will determine that it is neutral gear, and the vehicle is in a free-sliding state when it is neutral gear.

[0024] Step 3: Depress the brake pedal and turn the knob to the D gear po...

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PUM

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Abstract

The invention discloses a four-gear gear shifting control method for an electric automobile, wherein the four gears are the reverse gear R, the neutral gear N, the economic forward gear D and the moving forward gear S correspondingly. The method comprises the steps: enabling a whole automobile controller to receive gear signals, confirming a gear shifting operation according to the current workingcondition, setting the economic forward gear D and the moving forward gear S, and controlling different automobile speed limiting values and torque intervals and energy recovery intensity in responseto whole automobile power. In the economical forward gear, the vehicle speed and torque interval are reasonably limited, the energy recovery intensity is improved, the energy consumption caused by rapid acceleration or too large speed change can be reduced, and the efficient braking energy recovery is achieved. In the forward gear, the torque interval limitation is released, the speed limiting range is increased, and the driving pleasure and the vehicle maneuverability are improved.

Description

Technical field: [0001] The invention relates to a four-gear shift control method for an electric vehicle, which belongs to the technical field of electric vehicle power control systems. Background technique: [0002] The existing electric vehicle shifter has a single gear position, only one forward gear, a single driving style, and a single vehicle power control mode, which cannot satisfy the diverse driving styles and modes of drivers. [0003] Therefore, it is necessary to improve the prior art to solve the deficiencies of the prior art. Invention content: [0004] The present invention provides a four-gear gear shift control method for an electric vehicle in order to solve the above-mentioned problems in the prior art. It can reduce the energy loss of the vehicle and increase the energy recovery of the vehicle by setting the economical forward gear and the sports forward gear. At the same time, it can provide drivers with new driving styles and modes to meet diverse n...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60L15/20
CPCB60L15/2045B60L2240/421B60L2240/423B60L2260/26Y02T10/72
Inventor 陈义帆
Owner NANJING GOLDEN DRAGON BUS