Pure electric vehicle motor-assisted parking and hill start control system and method

Abstract

The invention relates to a blade electric vehicle motor assisting hill parking and hill starting control system. The system comprises a drive motor, a motor rotation speed sensor and a motor controller. A motor drive control signal output interface of the motor controller is connected with a control signal input interface of the drive motor. The motor rotation speed sensor is used for monitoring the motor rotation speed of the drive motor. A drive motor rotation speed data output interface of the motor rotation speed sensor is connected with a drive motor rotation speed data input interface of the motor controller. The motor controller is further provided with a clutch pedal status signal communication interface, a brake pedal status signal communication interface, an accelerator pedal status signal communication interface and a gearbox gear status signal communication interface. By the adoption of the system and method, the hill sliding phenomenon is effectively reduced, and the traveling safety of a vehicle is improved.

Description

technical field [0001] The invention relates to the technical field of pure electric vehicle control, in particular to a motor-assisted parking and hill start control system and method for a pure electric vehicle. Background technique [0002] For pure electric vehicles, the drive motor is the only source of power, which provides power to drive the vehicle. When the vehicle is running, it is necessary to park the vehicle on a ramp or start from the ramp. For a pure electric vehicle with a manual transmission, when the driver operates the vehicle on a slope, there is a short-term transition process in which the vehicle has no mechanical braking force. In slope conditions, the vehicle will slide backwards, which may easily cause safety accidents. The existing disclosures about pure electric vehicle hill start methods are mainly aimed at direct drive or automatic transmission vehicles, and there is no mention of pure electric vehicles with clutches and manual transmissions. ...

AI Technical Summary

Problems solved by technology

For a pure electric vehicle with a manual transmission, when the driver operates the vehicle on a slope, there is a short-term transition process in which the vehicle has no mechanical braking force. In slope conditions, the vehicle will slide backwards, which may easily cause safety accidents

The existing published methods for starting on a hill for pure electric vehicles are mainly aimed at direct drive or automatic transmission vehicles, and there is no mention of pure electric vehicles with clutches and manual transmissions.

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