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New energy automobile, energy recovery method and device thereof and storage medium

An energy recovery device, a technology for new energy vehicles, applied in electric vehicles, vehicle components, transportation and packaging, etc., can solve problems such as adjustment of the braking force distribution coefficient, insufficient use of braking energy, etc., to improve energy recovery and utilization. rate effect

Inactive Publication Date: 2021-06-25
QOROS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing new energy vehicles are equipped with energy recovery systems. During the braking process, the front and rear braking force distribution coefficients are not adjusted according to the ideal braking force distribution coefficients. This will cause the braking energy to not be fully utilized during the braking process.

Method used

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  • New energy automobile, energy recovery method and device thereof and storage medium
  • New energy automobile, energy recovery method and device thereof and storage medium
  • New energy automobile, energy recovery method and device thereof and storage medium

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Embodiment Construction

[0030] 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 and are intended to explain the present invention and should not be construed as limiting the present invention.

[0031] The energy recovery method and device for a new energy vehicle, a computer readable storage medium, and a new energy vehicle according to embodiments of the present invention will be described below with reference to the accompanying drawings.

[0032] figure 1 It is a flowchart of an energy recovery method for a new energy vehicle according to an embodiment of the present invention.

[0033] In this embodiment, the new energy vehicle adopts front axle drive, such as figure 1 As shown, the energy recovery method includes...

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Abstract

The invention discloses a new energy automobile, an energy recovery method and device thereof and a storage medium. The new energy automobile is driven by a front axle. The energy recovery method comprises the following steps that whole automobile parameters are obtained; according to the whole vehicle parameters, a front and rear axle braking force distribution curve is determined, and the front and rear axle braking force distribution curve comprises a first curve, a second curve and a third curve which are connected in sequence; the brake pedal opening degree, the battery charge state, the battery power limiting value and the motor torque limiting value of the new energy automobile are obtained; front axle braking force and rear axle braking force are determined according to the opening degree of the brake pedal and the front and rear axle braking force distribution curve; and motor feedback torque is generated according to the front axle driving force, the battery charge state, the battery power limit value and the motor torque limit value, and energy recovery is conducted according to the motor feedback torque. The method can accurately and reasonably distribute the braking force of the front axle and the rear axle, recover the braking energy to the maximum extent on the premise of ensuring the braking safety of the automobile, and contribute to improving the energy recovery utilization rate.

Description

technical field [0001] The invention relates to the technical field of energy recovery, in particular to an energy recovery method for a new energy vehicle, a computer-readable storage medium, an energy recovery device for a new energy vehicle and a new energy vehicle. Background technique [0002] With the gradual reduction of current energy sources, new energy vehicles have emerged as the times require. Compared with traditional cars, new energy vehicles can convert the kinetic energy of the car into electrical energy and store it in the battery during the braking process due to the existence of the motor. The energy recovery system equipped with existing new energy vehicles does not adjust the front and rear braking force distribution coefficient according to the ideal braking force distribution coefficient during the braking process, which will cause the braking energy to not be fully utilized during the braking process. Contents of the invention [0003] The present ...

Claims

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Application Information

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IPC IPC(8): B60L7/10B60T8/18B60T8/17
CPCB60L7/10B60T8/18B60T8/17
Inventor 方明
Owner QOROS
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