Motor torsional-moment outputting management with SOC variation for mixed-dynamical vehicle

A hybrid electric vehicle and motor torque technology, which is applied to the layout of multiple different prime movers of hybrid electric vehicles, electric vehicles, and general-purpose power plants, etc., can solve the problem of affecting the driving performance of the whole vehicle, reducing the total torque output of the hybrid power system, etc. problem, to achieve the effect of good practical performance and driving feeling
CN1897449AInactive Publication Date: 2007-01-17FAW GROUP
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
FAW GROUP
Publication Date
2007-01-17
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention is implemented using a control system composed of an entire car controller, a motor and its controller, and a battery and its management unit. It features following points: the maximum output torque of motor continuously and smoothly varies between 0 and maximum designing value along with rotate speed and SOC such that in the process of car running the dropping down of driving power can never be happened and the SOC can not drop to the extreme case.
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Description

technical field

[0001] The invention relates to a control method for a power system of a hybrid electric vehicle, in particular to a management method for changing the torque output of a motor of a hybrid electric vehicle according to SOC. Background technique

[0002] With the increasingly prominent global environmental and energy issues, the development of new vehicles with low emissions and low fuel consumption has become the primary task of the development of the automotive industry today. Hybrid electric vehicle technology avoids the shortage of battery technology and energy infrastructure of pure electric vehicles. It is a good solution to current problems and has become a hot spot in international automotive research and development.

[0003] The control method that the motor torque output of the hybrid electric vehicle varies according to the SOC (that is, the state of charge) directly affects the actual performance and driving feeling of the vehicle. Currently, in ...

Claims

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