Energy management method and device of series hybrid electric vehicle and intelligent terminal

A series hybrid and energy management technology, applied in hybrid vehicles, motor vehicles, data processing and management, etc., can solve the problems of inoperable engine, low average fuel economy, etc., and achieve the effect of low comprehensive fuel consumption rate

Pending Publication Date: 2021-12-31
SHENZHEN TECH UNIV
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  • Claims
  • Application Information

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Problems solved by technology

[0005] The main purpose of the present invention is to provide an energy management method, device and intelligent terminal of a series hybrid electric vehicle, aiming to solve the problems in the prior art based on battery heat loss In this case, the engine cannot always run in the economic zone, so the overall average fuel economy is not high

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  • Energy management method and device of series hybrid electric vehicle and intelligent terminal
  • Energy management method and device of series hybrid electric vehicle and intelligent terminal
  • Energy management method and device of series hybrid electric vehicle and intelligent terminal

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Embodiment Construction

[0050] In the following description, specific details such as specific system structures and technologies are presented for the purpose of illustration rather than limitation, so as to thoroughly understand the embodiments of the present invention. It will be apparent, however, to one skilled in the art that the invention may be practiced in other embodiments without these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present invention with unnecessary detail.

[0051] It should be understood that when used in this specification and the appended claims, the term "comprising" indicates the presence of described features, integers, steps, operations, elements and / or components, but does not exclude one or more other features. , whole, step, operation, element, component and / or the presence or addition of a collection thereof.

[0052]It should also be unde...

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Abstract

The invention discloses an energy management method and device for a series hybrid electric vehicle and an intelligent terminal. The energy management method for the series hybrid electric vehicle comprises the steps that an optimal fuel economy curve is obtained according to the effective fuel consumption rate of an engine-generator set; based on the optimal fuel economy curve, the optimal working power of the engine is determined; when the series hybrid electric vehicle is in an economic mode, the target working power with the lowest comprehensive fuel consumption rate of an engine is determined according to the required power, the optimal working power and the battery heat loss; and an engine is controlled according to the target working power, so that the series hybrid electric vehicle runs in an economic mode. Compared with the prior art, according to the scheme, the target working power is determined based on the battery heat loss according to the required power and the optimal working power, it is guaranteed that the engine always operates in the economic area under the condition that the battery heat loss exists, and the comprehensive fuel consumption rate is the lowest.

Description

technical field [0001] The invention relates to the field of new energy vehicle control, in particular to an energy management method, device and intelligent terminal of a series hybrid electric vehicle. Background technique [0002] In recent years, hybrid vehicles have made great progress in China, occupying an increasing market share. Compared with traditional fuel vehicles, series (extended range) hybrid vehicles decouple the engine and transmission system, taking into account the advantages of fuel economy and cruising range, and the pros and cons of its fuel economy are largely determined by the overall The control strategy of the vehicle energy management system is determined. [0003] At present, there are two common energy control methods for series hybrid power, one is the thermostat strategy, that is, the engine always runs at the most economical operating point, and the other is the power following strategy, that is, the output power of the engine generally foll...

Claims

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Application Information

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IPC IPC(8): B60W20/15
CPCB60W20/15Y02T10/62Y02T10/84
Inventor 张书朋
Owner SHENZHEN TECH UNIV
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