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Method and system for optimal control of vehicle platoon

An optimized control and queuing technology, applied in the field of intelligent transportation, can solve problems such as increased acceleration and deceleration times, increased queuing energy consumption, etc., and achieve the effects of maximizing the economic benefits of energy consumption, improving energy consumption economy, and improving computing efficiency

Active Publication Date: 2022-04-08
SOUTHEAST UNIV
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Problems solved by technology

When the platoon encounters disturbances, the changing vehicle speed may affect its energy efficiency. However, most common vehicle platoon control methods are based on the fact that the vehicles in the platoon follow the lead vehicle and track the speed of the lead vehicle in real time. The phenomenon of unnecessary acceleration and deceleration increases, which leads to an increase in the energy consumption of the entire queue

Method used

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  • Method and system for optimal control of vehicle platoon
  • Method and system for optimal control of vehicle platoon
  • Method and system for optimal control of vehicle platoon

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Embodiment Construction

[0056] The technical solution of the present disclosure will be described in detail below in conjunction with the accompanying drawings. In the description of the present disclosure, it should be understood that the terms "first" and "second" are only used for descriptive purposes, and cannot be interpreted as indicating or implying relative importance or implicitly indicating the quantity of indicated technical features, Used only to distinguish different components.

[0057] figure 1 It is a flow chart of the disclosed method, such as figure 1 As shown, first select the topological structure of the workshop information flow, and construct the discrete dynamic model of the vehicle according to the topological structure of the information flow in the workshop; Construct the first energy-saving control objective function; perform state constraints on the distance constraint and speed constraint according to the constraint transformation function, obtain a multi-objective func...

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Abstract

The invention discloses a method and system for optimal control of vehicle platoons, relates to the technical field of intelligent transportation, and solves the technical problem of high energy consumption in existing vehicle platoon control methods. Use the state information between the adjacent vehicle in front of the current vehicle node and the leading vehicle to construct a discrete dynamic model of the vehicle; and use the constraint transformation function to transform the distance constraint and speed constraint in the process of vehicle platoon driving, reducing the computational complexity Thereby improving the computational efficiency of Le, and each optimization problem considers the discrete dynamic model, constraint conditions and energy-saving control objective function of each vehicle, which improves the energy consumption economy of the entire vehicle platoon, and ensures the safety of the vehicle platoon. Maximize the economic benefits of energy consumption of the vehicle platoon.

Description

technical field [0001] The present disclosure relates to the technical field of intelligent transportation, in particular to a method and system for optimal control of vehicle platooning. Background technique [0002] The intelligent vehicle queue control technology refers to forming a queue of intelligent vehicles driving on the road, and through the environment perception technology, the vehicles in the queue can obtain the surrounding environment and road information. Communication technology realizes the sharing of vehicle status information between vehicle platoons, and based on this, completes the control of individual vehicle nodes in the platoon, and achieves a coordinated control technology for the stable driving of vehicle platoons as a whole. It is of great research significance to improve the overall energy consumption and economy of vehicles. [0003] Queue stability and queue energy-saving effect are two key performance indicators of intelligent vehicle platoo...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G05B13/04
CPCG05B13/042
Inventor 庄伟超李兵兵殷国栋许成奥郭铭轩钟文琦
Owner SOUTHEAST UNIV
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