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Electric car coordination control system

A coordinated control system and electric vehicle technology, applied in the field of control, can solve the problems of unguaranteed safety and reliability, high vehicle price, short driving range, etc., achieve good handling stability, improve handling stability and safety sexual effect

Inactive Publication Date: 2013-07-31
BEIHANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, the development of electric vehicles has encountered the following problems: safety and reliability cannot be guaranteed; driving range is short, charging time is long and inconvenient; vehicle prices are high, battery life is short, etc.

Method used

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Embodiment Construction

[0032] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0033] Such as figure 1 As shown, the coordinated control system involved in the present invention includes: a battery 1 , a coordinated controller 2 , a drive controller 3 , a brake controller 4 and a steering controller 5 . The four controllers mentioned above are connected together through the CAN bus and can communicate with each other.

[0034] The coordination controller 2 plays a role of coordination control in the entire control system and is the core part of the entire control system. Only under the coordinated control of the coordinated controller 2 can the coordinated control system achieve the best control effect. If the coordinating controller 2 breaks down, other controllers will perform independent control, although the basic driving, braking and steering functions can be realized, but the best control effect cannot be achieved. The input si...

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Abstract

The invention discloses an electric car coordination control system. The electric car coordination control system comprises a storage battery, a coordination controller, a driving controller, a brake controller and a turning controller, wherein the storage battery is connected with the four controllers respectively; the controllers are connected with one another through CAN (Controller Area Network) buses; the coordination controller collects the input of an accelerate pedal, a brake pedal and turning operation, as well as car status and information, and input of other controllers; the driving controller not only calculates the needed driving force arm according to the opening of the accelerate pedal, but also performs compensation control to driving force arm according to the order from the coordination controller; the brake controller calculates the needed brake force arm according to the stroke of the brake pedal , and performs compensation control to brake force arm according to the order from the coordination controller; the turning controller calculates the turning angles of the front and rear wheels according to the turning angle of the steering wheel, and performs compensation control to the turning angle of the car wheels according to the order from the coordination controller. The electric car coordination control system effectively increases the manipulation stability and the safety of an electric car.

Description

technical field [0001] The invention relates to an electric vehicle coordination control system, in particular to an electric vehicle coordination control system adopting a distributed line control actuator and a controller, and belongs to the field of control technology. Background technique [0002] As a green vehicle that uses batteries as energy sources, uses motors to drive wheels, and is close to zero pollution, the development of electric vehicles has very important practical significance for solving global energy and environmental problems [0003] At present, the development of electric vehicles has encountered the following problems: the safety and reliability cannot be guaranteed; the driving range is short, the charging time is long and inconvenient; the vehicle price is high, and the battery life is short. The high cost of pure electric vehicles mainly comes from batteries and motors, which will be difficult to reduce significantly in a long period of time. The...

Claims

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Application Information

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IPC IPC(8): B60W10/08B60W10/20B60W10/192B60W30/18
Inventor 丁能根何勇灵冯冲徐国艳高峰
Owner BEIHANG UNIV
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