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Plug-in hybrid electric vehicle routing method and device, vehicle and storage medium

A hybrid electric vehicle and hybrid technology, applied in other database retrieval, structured data retrieval, prediction, etc., can solve the problems of uncertain routing edge weight, increased calculation difficulty, uncertain fuel consumption and power consumption, etc.

Pending Publication Date: 2022-03-29
SOUTHEAST UNIV
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Problems solved by technology

In addition, because plug-in hybrid electric vehicles have two energy sources, the fuel consumption and power consumption on some specific road sections are uncertain, that is, the routing edge weight of the shortest path problem is uncertain, and there are many problems in path, vehicle speed and energy management. State coupling, the difficulty of calculation increases exponentially with the increase of the road network density and the number of states, so how to efficiently solve the shortest path of multi-state coupling uncertain edge weight is an urgent problem to be solved for the economical routing of hybrid electric vehicles

Method used

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  • Plug-in hybrid electric vehicle routing method and device, vehicle and storage medium
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  • Plug-in hybrid electric vehicle routing method and device, vehicle and storage medium

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Embodiment Construction

[0070] The present invention will be further described below in conjunction with accompanying drawing:

[0071] figure 1 is a schematic diagram of the effective state concept of the embodiment of the present invention, with plug-in hybrid electric vehicles as the object according to image 3 The flow chart of the present invention is explained in detail.

[0072] The first step is to build a map model and consider the constraints of charging stations to realize the intersection and road segment division of the map. Select a city map and build it as a directed graph where node Indicates the intersection of each road in the city, the arc length Indicates the road segment between two intersections (two nodes). Charging stations are set up on some nodes, with Represents the charging station node and the vehicle is fully charged if it is charged at the charging station.

[0073] The second step is to divide the path state according to the hybrid working mode, comprehensi...

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Abstract

The invention provides a plug-in hybrid electric vehicle routing method and device, a vehicle and a storage medium. The routing method comprises the following steps: establishing a map model; dividing path states; constructing a target function; constructing an effective state set; and selecting an optimal path. The invention provides a high-real-time plug-in hybrid electric vehicle economical routing method for a hybrid electric vehicle. On the basis of the constructed map model and by considering the constraint of the charging station, the intersection and road section division of the map, the calculation of the edge weight of each road section, the construction of a path strategy state set, the extraction of the effective state of the node and the solving of the cost-minimum path are realized, and the method solves the problem that the edge weight of the hybrid electric vehicle is not determined, and is high in real-time performance.

Description

technical field [0001] The invention relates to a high-real-time economical routing method for a plug-in hybrid electric vehicle. The method can quickly find the lowest-cost route according to the driver's demand, and the method has strong real-time performance, and belongs to the field of economical routing for plug-in hybrid electric vehicles. . Background technique [0002] Hybrid electric vehicle technology can greatly improve the working efficiency of traditional internal combustion engines through peak-shaving and valley-filling of motors, and is regarded as the mainstream development direction of future automotive powertrains. Among them, plug-in hybrid electric vehicles have stronger advantages because they can be connected to the power grid . [0003] With the intelligent networking of automobiles, the energy management of hybrid electric vehicles has evolved from a single powertrain control to a comprehensive control covering vehicle-road-cloud integration. A typi...

Claims

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Application Information

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IPC IPC(8): G06Q10/04G06Q50/06G06F16/29G06F16/901
CPCG06Q10/047G06Q50/06G06F16/29G06F16/9024Y02D10/00
Inventor 庄伟超李兵兵殷国栋李锦辉唐梦成
Owner SOUTHEAST UNIV
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