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Whole vehicle control system and control method thereof of electric automobile

A vehicle control and electric vehicle technology, applied in the field of electric vehicle control and electric vehicles, can solve the problems that the vehicle cannot be guaranteed to run smoothly and comfortably, and achieve the effects of improving stability and safety, improving comfort, and running stably and reliably

Pending Publication Date: 2018-11-02
江西优特汽车技术有限公司
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  • Abstract
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AI Technical Summary

Problems solved by technology

The existing technology is immature and cannot guarantee the smooth and comfortable driving of the vehicle, so it needs to continue to develop and improve

Method used

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  • Whole vehicle control system and control method thereof of electric automobile
  • Whole vehicle control system and control method thereof of electric automobile

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Experimental program
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Embodiment Construction

[0023] Such as figure 1 As shown, the electric vehicle vehicle control system includes: accelerator sensor, brake sensor, gear sensor, CAN communication network, gyro sensor, acceleration sensor, and vehicle controller.

[0024] The throttle sensor is mainly used to perceive the driver's driving intention for the output power.

[0025] The brake sensor is mainly used to perceive the driver's driving intention for deceleration.

[0026] The gear position sensor is mainly used to perceive the driving intention of the vehicle speed direction and range.

[0027] The CAN communication network is mainly used for communication and data exchange with other intelligent units on the vehicle, such as obtaining the current vehicle speed, battery SOC and SOP parameters of the battery management system, and sending output torque commands to the motor controller.

[0028] The gyroscope sensor is mainly used to sense the angular acceleration of the vehicle.

[0029] The acceleration sensor...

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Abstract

The invention discloses a whole vehicle control system of an electric automobile, a throttle sensor, a brake sensor and a gear position sensor output collected signals to a whole vehicle controller. The vehicle controller is communicated with a CAN communication network, and the system is provided with an acceleration sensor for acquiring the liner acceleration state of the vehicle, the acceleration sensor outputs the acquired signal to the whole vehicle controller. The whole vehicle control system has the advantages of simple structure, stable and reliable operation. The angular accelerationand linear acceleration strategies of a passenger automobile can be set as needed to improve a comfort ride, and the acceleration strategy of the passenger automobile can be set as needed to improve the stability and safety of the ride.

Description

technical field [0001] The invention relates to the field of electric vehicles, in particular to the technical field of electric vehicle control. Background technique [0002] In today's era when the energy crisis and environmental crisis are becoming more and more prominent, various new energy sources are favored by various countries. Among them, automobiles are a large energy-consuming and polluting household, and the development of electric vehicles has become a strategic industry for various countries. Electric vehicles generally use batteries as energy storage devices, motors as drive devices, and vehicle controllers as the driving center. [0003] As one of the core components of electric vehicles, the vehicle controller is the intelligent center of electric vehicles and directs the operation of vehicles. The performance of the vehicle controller directly affects the performance of the electric vehicle. The existing vehicle controller mainly inputs accelerator signals...

Claims

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Application Information

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IPC IPC(8): B60L15/20
CPCB60L15/20B60L15/2009B60L2240/20B60L2240/16Y02T90/16Y02T10/72
Inventor 李世明付明竹徐秋鹏
Owner 江西优特汽车技术有限公司
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