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A method for controlling regenerative braking of a hybrid electric vehicle

A hybrid vehicle, regenerative braking technology, applied in electric vehicles, vehicle components, electrical components, etc., can solve problems such as vehicle running unevenly, affecting vehicle driving performance, etc. The effect of improving drivability

Active Publication Date: 2015-09-16
SAIC MOTOR
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] However, whether the charging torque control during regenerative braking is reasonable or not will directly affect the driving performance of the vehicle, especially when the charging torque changes in a straight line and steep drop, the engine torque changes too quickly and the vehicle will not run smoothly

Method used

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  • A method for controlling regenerative braking of a hybrid electric vehicle
  • A method for controlling regenerative braking of a hybrid electric vehicle
  • A method for controlling regenerative braking of a hybrid electric vehicle

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Embodiment Construction

[0027] Presented below are some of the many possible embodiments of the invention, intended to provide a basic understanding of the invention. It is not intended to identify key or critical elements of the invention or to delineate the scope of protection. It is easy to understand that, according to the technical solution of the present invention, those skilled in the art may propose other alternative implementation manners without changing the essence and spirit of the present invention. Therefore, the following specific embodiments and drawings are only exemplary descriptions of the technical solution of the present invention, and should not be regarded as the entirety of the present invention or as a limitation or restriction on the technical solution of the present invention.

[0028] In the following embodiments, a method for regenerative braking of a hybrid electric vehicle is used for illustration. The basic structure of a hybrid electric vehicle is well known to those ...

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Abstract

The invention provides a regenerative braking control method for a hybrid power vehicle, and belongs to the technical field of the hybrid power vehicle. The regenerative braking control method for the hybrid power vehicle is characterized in that a charging torque is subjected to filtering control by setting a filtering time constant to cause the charging torque to smoothly change in a curvature form when the charging toque is changed to a target value from an initial value after a preset regenerative braking condition is satisfied. Therefore, when a vehicle charging requirement is satisfied, the driving performance can be improved, and the driving comfort is optimized.

Description

technical field [0001] The invention belongs to the technical field of hybrid electric vehicles and relates to a regenerative braking control method for hybrid electric vehicles. Background technique [0002] As the international community pays more and more attention to energy security and environmental protection issues, countries have increasingly stringent requirements on vehicle emissions. Reducing dependence on energy and realizing energy conservation and emission reduction has become an urgent problem to be solved for the sustainable development of the world economy. Hybrid vehicles and pure electric vehicles have become the development trend of today's automobile industry. Gasoline-electric hybrid vehicles combine the motor and the engine to achieve reasonable energy-saving and emission-reduction effects for various working conditions. Hybrid functions such as idling stop, motor starting, intelligent charging, regenerative braking, motor assist, and electric crawlin...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60L7/10B60W30/20H02J7/14
Inventor 张君鸿马成杰孔令安
Owner SAIC MOTOR