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Braking control method, device and equipment of electric vehicle and storage medium

A braking control, electric vehicle technology, applied in electric vehicles, control devices, brake transmission devices, etc., can solve problems such as inability to decelerate normally, reduced braking capacity, etc., to promote the process of intelligentization, ensure normal deceleration, improve Effects of the driving experience

Active Publication Date: 2021-11-02
HUMAN HORIZONS (JIANGSU) TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The invention provides a brake control method, device, equipment and storage medium of an electric vehicle to solve the technical problem that the braking capacity of the existing vehicle is reduced, resulting in the inability to decelerate normally. Compensation can not only enable the vehicle to decelerate normally, but also maintain the corresponding deceleration feeling, thereby improving the driving experience and safety of the vehicle

Method used

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  • Braking control method, device and equipment of electric vehicle and storage medium
  • Braking control method, device and equipment of electric vehicle and storage medium
  • Braking control method, device and equipment of electric vehicle and storage medium

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Embodiment Construction

[0045] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0046] In the description of the present application, the terms "first", "second", "third" and so on are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, a feature defined as "first", "second", "third", etc. may expressly or implicitly include one or more of that feature. In the description of the present application, unless otherwi...

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Abstract

The invention discloses a braking control method, device and equipment of an electric vehicle and a storage medium. The method comprises the steps that running data of the vehicle are obtained in real time; when the vehicle runs in the hydraulic compensation mode, the corresponding whole vehicle required recovery torque is obtained based on the current pedal opening degree, the real-time vehicle speed and the sliding recovery strength of the vehicle; a corresponding available torque of the battery is obtained based on the charging power of the power battery; the hydraulic compensation demand torque of the vehicle is determined according to the relation among the whole vehicle demand recovery torque, the battery available torque and the motor recovery torque; and the brake master cylinder of the vehicle is controlled to conduct hydraulic loading at the speed matched with the hydraulic compensation demand torque, so that braking of the vehicle is achieved. According to the braking control method, device and equipment of the electric vehicle and the storage medium, when the vehicle decelerates, compensation is provided for the braking energy recovery system by calculating the hydraulic demand torque, and therefore normal deceleration of the vehicle is guaranteed.

Description

technical field [0001] The present invention relates to the technical field of electric vehicles, in particular to a braking control method, device, equipment and storage medium for electric vehicles. Background technique [0002] With the continuous development of new energy technologies, electric vehicles or hybrid vehicles are gradually recognized by the market and favored by consumers due to their advantages such as quick start, zero emission, low noise, and low energy consumption. [0003] When a traditional fuel vehicle is decelerating, the wheel brakes apply braking force to the wheels, and the kinetic energy of the vehicle is converted into heat energy through braking and released into the air to achieve vehicle deceleration. For electric vehicles or hybrid vehicles , This kinetic energy wasted due to braking can be converted into electrical energy and re-stored in the power battery of the electric vehicle through coasting energy recovery technology, thereby improvin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60L7/18B60T13/12
CPCB60L7/18B60T13/12B60L2240/12B60L2240/421B60L2250/26Y02T10/72
Inventor 黄称称
Owner HUMAN HORIZONS (JIANGSU) TECH CO LTD
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