An energy allocation method based on off-road condition prediction

An energy distribution and working condition technology, applied in the field of electric drive, can solve the problems that the energy management strategy is difficult to adapt to complex off-road working conditions, and the power performance and fuel economy of the hybrid track are improved, so as to improve the power performance and fuel economy, Easy-to-build effects

Active Publication Date: 2018-12-18
BEIJING INSTITUTE OF TECHNOLOGYGY +1
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Problems solved by technology

[0005] In view of the above analysis, the embodiment of the present invention aims to provide an energy allocation method based on prediction of off-road working conditions to solve the problem that the energy management strategies in the prior art are difficult to adapt to complex off-road working conditions, and the power and fuel consumption of hybrid tracked vehicles Problems that need to be improved in economy

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  • An energy allocation method based on off-road condition prediction
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  • An energy allocation method based on off-road condition prediction

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Embodiment Construction

[0036] Preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, wherein the accompanying drawings constitute a part of the application and together with the embodiments of the present invention are used to explain the principle of the present invention and are not intended to limit the scope of the present invention.

[0037] In the embodiment of the present invention, an energy distribution method based on prediction of off-road working conditions is disclosed, such as figure 1 It is a schematic flow chart of the method, and the method may further comprise the steps:

[0038] Step S1, according to the historical driving information of the vehicle, an SVM (Support Vector Machine)-based identification model for the off-road environment working conditions of the tracked vehicle is established. In this model, the collected vehicle driving information is used as the input quantity, the predicted current driving...

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Abstract

The invention relates to an energy distribution method based on off-road condition prediction, belonging to the technical field of electric transmission, which solves the problem of energy managementof hybrid tracked vehicles in the prior art. The invention relates to an energy distribution method based on off-road condition prediction, comprising the following steps: according to vehicle historical driving information, establishing an off-road environment condition identification model of tracked vehicle based on SVM; Detecting current vehicle driving information in real time, inputting themodel, and predicting current vehicle driving condition; Predicting the vehicle speed and acceleration at the next time, and calculating the vehicle power demand at the next time according to the predicted current vehicle driving condition and the predicted values of the vehicle speed and acceleration at the next time; Based on the next time power demand, the model predictive control strategy is adopted, and utilizing the dynamic programming as an optimization algorithm to obtain the next time optimal energy distribution mode. The energy distribution of the tracked vehicle under complex off-road conditions is realized, and the power performance and fuel economy of the tracked vehicle are improved.

Description

technical field [0001] The invention relates to the technical field of electric transmission, in particular to an energy distribution method based on prediction of off-road working conditions. Background technique [0002] The all-electric high-mobility platform is an important research and development direction for future military mobile equipment. Compared with the mechanical transmission system, the electric transmission system has the advantages of excellent vehicle mobility, strong self-protection performance, and high energy utilization efficiency. All countries in the world are vigorously developing it. Among the various schemes of electric transmission, the serial double-sided motor drive scheme has the advantages of simple structure, space saving, and high system reliability. The scheme is powered by the power battery pack and the internal combustion engine-generator set simultaneously to the double-sided motors. In order to improve the power and economy of the whol...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60W50/00
CPCB60W50/00B60W2050/0001B60W2050/0031B60W2300/44B60W2050/0013
Inventor 席军强许绍航陈慧岩
Owner BEIJING INSTITUTE OF TECHNOLOGYGY
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