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Ramp safe starting control system of electric vehicle

A control system and electric vehicle technology, applied in electric vehicles, control drives, vehicle components, etc., can solve problems such as slippery slopes that are prone to occur

Inactive Publication Date: 2010-09-01
SHANGHAI ZHONGKE SHENJIANG ELECTRIC VEHICLE
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  • Abstract
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AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to solve the problem of slippery slopes that easily occur when electric vehicles are started on slopes, and to provide a safe start control system for electric vehicles on slopes. This system drives the motor controller through the CAN bus and the electric vehicle controller. It is connected with the automatic transmission controller and used together to effectively avoid the phenomenon of sliding when the electric vehicle starts on the slope, which greatly improves the driving safety

Method used

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Embodiment Construction

[0014] Specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0015] refer to figure 1 and figure 2 , the electric vehicle slope safety start control system includes a vehicle controller 3 , a drive motor controller 5 , an automatic transmission controller 6 , and a handle gear acquisition system 11 . The vehicle controller 3 is used to collect the throttle opening signal 1 . The automatic transmission controller 6 is used to collect the vehicle speed signal 2 , the first gear position signal 12 of the shift fork, the neutral position signal 13 of the shift fork and the second gear position signal 14 of the shift fork. The handle gear acquisition system 11 is used to collect the position signal 7 of the parking gear (P gear), the position signal 8 of the reverse gear (R gear), the position signal 9 of the neutral gear (N gear) and the position signal 10 of the driving gear (D gear).

[0016] The vehi...

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Abstract

The invention provides a ramp safe starting control system of a reliable electric vehicle. The system is connected with a whole electric car controller, a drive motor controller and an automatic transmission controller by a CAN (controller area network) bus for matching; and a ramp sliding phenomenon of the electric vehicle during start on the ramp is effectively prevented, and the driving safety is greatly improved. The system can solve the problem of ramp sliding by adopting a relevant control algorithm without adding hardware and a mechanical system and is beneficial to controlling the cost.

Description

technical field [0001] The invention relates to a vehicle starting safety control system, more precisely, relates to an electric vehicle ramp safety starting control system. Background technique [0002] The world is currently facing a crisis of energy shortage, and air pollution is also a problem that needs to be solved urgently. These two problems directly threaten the sustainable development of the traditional means of transportation - internal combustion engine vehicles. The new energy vehicles represented by electric vehicles are the main way for mankind to solve this crisis. In this situation, automakers around the world have invested a lot of money in the development of electric vehicles, and have produced a number of prototypes. However, judging from the current usage situation, when an electric vehicle is started on a slope, the driver must perform brake manipulation while stepping on the accelerator, and good coordination is required, otherwise the electric vehic...

Claims

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Application Information

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IPC IPC(8): B60L15/20B60W40/06B60W40/10B60W40/076
CPCY02T10/72
Inventor 朱振宇张寅袁一卿
Owner SHANGHAI ZHONGKE SHENJIANG ELECTRIC VEHICLE
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