Anti-rollover control method for four-wheel electric vehicle

A control method and technology for electric vehicles, applied in the field of electric vehicles, can solve problems such as high rollover risk and narrow body, and achieve the effect of improving driving safety performance

Active Publication Date: 2017-05-31
江苏萝卜交通科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Compared with cars, the four-wheel body is narrower and lighter, and there is a higher risk of rollover

Method used

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  • Anti-rollover control method for four-wheel electric vehicle
  • Anti-rollover control method for four-wheel electric vehicle
  • Anti-rollover control method for four-wheel electric vehicle

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Embodiment Construction

[0022] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention. On the contrary, the embodiments of the present invention include all changes, modifications and equivalents coming within the spirit and scope of the appended claims.

[0023] In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Back", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inner", "Outer", "Axial", "Radial", "Circumferential", etc. The indicated orientation or positional relationship is based ...

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Abstract

The invention relates to the technical field of electric vehicles, and especially relates to an anti-rollover control method for a four-wheel electric vehicle. According to the anti-rollover control method for the four-wheel electric vehicle, an inclination angle of a pavement where the electric vehicle is running is obtained by detection of an acceleration sensor and calculation, centripetal force of the electric vehicle on the road is calculated according to the inclination angle, vehicle speed and turning radius, the component of the centripetal force perpendicular to the ground is compared with a rollover threshold, the vehicle speed is controlled when a rollover risk occurs, the rollover risk is released as soon as possible, and driving safety performance of the four-wheel electric vehicle is improved.

Description

technical field [0001] The invention relates to the technical field of electric vehicles, in particular to an anti-rollover control method for a four-wheel electric vehicle. Background technique [0002] The rising number of cars has raised a series of problems. Most cars burn fossil fuels such as gasoline, diesel, and natural gas. The reserves of fossil fuels on the earth are limited, and the huge and increasing number of cars makes the energy crisis increasingly serious. The weight of a traditional car is generally about 1500kg, and the payload is only about 100kg. Most of the energy is wasted on the invalid load, resulting in serious energy waste. In addition, traditional cars are bulky, and the average car covers an area of ​​about 10 square meters. The increase in the number of cars has made the problems of traffic congestion and parking spaces more and more serious. [0003] In recent years, electric vehicles have been welcomed by more and more consumers. The price ...

Claims

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Application Information

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IPC IPC(8): B60W30/04B60W40/112
CPCB60W30/04B60W40/112B60W2030/043B60W2520/10B60W2520/125B60W2520/18B60W2720/10
Inventor 杨国青吕攀聂德云姜剑
Owner 江苏萝卜交通科技有限公司
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