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Vehicle control method, device and system for hybrid vehicle

A hybrid vehicle, vehicle control technology, applied in hybrid vehicles, motor vehicles, transportation and packaging, etc., can solve problems such as low engine energy utilization, avoid excessive discharge, prolong service life, and avoid cruising range. The effect of restriction

Inactive Publication Date: 2017-07-14
山东元齐新动力科技有限公司
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Problems solved by technology

[0005] In view of this, the technical problem to be solved by the present invention is to provide a vehicle control method, device and system for a hybrid electric vehicle, which controls the engine to operate in the optimal efficiency range according to the remaining power of the battery, and solves the problems in the prior art. Technical Problems of Low Engine Energy Utilization Rate

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  • Vehicle control method, device and system for hybrid vehicle
  • Vehicle control method, device and system for hybrid vehicle
  • Vehicle control method, device and system for hybrid vehicle

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Embodiment Construction

[0055] In order to make the purpose, technical solution and advantages of this embodiment clearer, the spirit of the disclosed content will be clearly described below with the accompanying drawings and detailed descriptions. After any person skilled in the art understands the embodiments of the present content, he can The techniques taught in this content may be changed and modified without departing from the spirit and scope of this content.

[0056] The exemplary embodiments and descriptions of the present invention are used to explain the present invention, but not to limit the present invention. In addition, elements / members with the same or similar numbers used in the drawings and embodiments are used to represent the same or similar parts.

[0057] As used herein, "first", "second", ... etc. do not refer to a particular sequence or order, nor are they used to limit the present invention, but are only used to distinguish elements or operations described with the same tech...

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Abstract

The invention provides a vehicle control method for a hybrid vehicle. The vehicle control method comprises the steps that the hybrid vehicle battery real-time remaining electric quantity detected by a battery management system (BMS) is obtained; the preset first threshold value and the preset second threshold value of the hybrid vehicle remaining electric quantity are obtained, and the first threshold value is smaller than the second threshold value; and when the real-time remaining electric quantity is smaller than the first threshold value, a control signal is output to an engine so that the engine can be indicated to be automatically stared, enter an efficient power generation mode after passing a heat engine, and operate in the optimum efficiency interval corresponding to the engine. According to the vehicle control method for the hybrid vehicle, the engine is controlled to operate in the optimum efficiency interval according to the battery remaining electric quantity, and the technical problem that the energy utilization rate of engines is low in the prior art is solved.

Description

technical field [0001] The invention relates to the technical field of hybrid electric vehicles, in particular to a vehicle control method, equipment and system for a hybrid electric vehicle. Background technique [0002] The pure electric vehicle in the prior art has the problem of limited cruising range, and can only run for a certain mileage after a one-time charge. Moreover, if the battery is over-discharged, the battery life will be damaged. In addition, when a pure electric vehicle is started, the battery instantly releases a large current, which will also have an adverse effect on the battery life. [0003] With the continuous advancement of science and technology, hybrid vehicles have appeared in the existing technology. On the basis of pure electric vehicles, gasoline engines are added as backup power. Electric vehicles are driven by electricity. The driving motor is powered, and the battery pack increases the power, which realizes charging while running. [0004]...

Claims

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Application Information

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IPC IPC(8): B60W20/13B60W10/06B60W10/08B60W10/26
CPCB60W10/06B60W10/08B60W10/26B60W2510/244B60W2710/06B60W2710/244Y02T10/62
Inventor 邢路军宋球
Owner 山东元齐新动力科技有限公司
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