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毕业论文网 > 文献综述 > 机械机电类 > 车辆工程 > 正文

某新能源车型前制动器设计(参照奇瑞eQ1)文献综述

 2020-04-14 22:18:03  

1.目的及意义

1. Purpose and significance (including analysis of research status at home and abroad)

1.1 Purpose and significance

The brake system is one of the most important systems on the car. It allows the outside world (mainly the road surface) to exert a certain force on certain parts of the car (mainly the wheels), thus forcing the car to a certain degree. The function of the braking system is to enable the running car to be forced to decelerate or even stop according to the driver's intention; or to enable the stopped car to be stably parked under various road conditions (such as on a ramp); The speed of the car on the slope remains stable. The braking effect on the car can only be the external force acting on the car and the direction opposite to the direction of the car. The magnitude of these external forces is random and uncontrollable. Therefore, the car must be equipped with a set to control and adjust. Brake system of braking force to achieve the above functions [1][2].

In recent years, with the continuous international energy supply, the continuous rise of international crude oil prices and the increasing global environmental protection calls, the technology research and development and industrialization of new energy vehicles have received more and more attention. As a rising power in China, China's automobile sales have grown rapidly in recent years, and oil demand has increased sharply. As a result, oil dependence has risen sharply, and rapid industrialization has led to aggravation of pollution and a significant increase in greenhouse gas emissions. In this context, China's development of new energy vehicles has great practical significance [3][4]. As the brake system with the highest reliability and safety requirements in the car, its application on new energy vehicles is different from that on ordinary fuel vehicles. The research on the brake system of new energy vehicles is closer. The year is increasingly being valued by automotive research institutes and car manufacturers around the world [5].

The purpose and significance of this study is to integrate the current common design techniques and concepts, such as computer-aided finite element simulation analysis, while designing the parameters of the front brake of a new energy vehicle (CHERY eQ1). The performance of the vehicle's front brakes is analyzed to verify the reliability of their work, and the feasibility and convenience of these technical concepts in the design of new energy vehicle brake systems are verified during the design process.

1.2 Research status at home and abroad

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