The invention relates to the technical field of vehicle speed planning, in particular to a vehicle speed planning method and device based on fixed-point speed measurement information, and the method comprises the steps: obtaining the actual road information and fixed-point speed measurement information of a current fixed-point speed measurement road of a vehicle; based on the actual road information and the fixed-point speed measurement information, a vehicle speed planning problem is obtained by using a pre-constructed vehicle dynamics model, a driving system model and an energy consumption model; and solving the vehicle speed planning problem by adopting a preset swarm intelligent optimization algorithm, and generating the optimal acceleration of the vehicle on the current fixed-point speed measurement road. According to the embodiment of the invention, the vehicle speed planning problem can be obtained and the optimal acceleration of the vehicle on the current fixed-point speed measurement road can be generated based on the actual road information and the fixed-point speed measurement information of the current fixed-point speed measurement road of the vehicle, so that the probability of frequent acceleration and deceleration of a user is effectively reduced, the energy use efficiency is improved, and the user experience is improved. And the safety and the stability of vehicle driving are improved.
本申请涉及汽车车速规划技术领域,特别涉及一种基于定点测速信息的车速规划方法及装置,其中,方法包括:获取车辆的当前所处定点测速道路的实际道路信息和定点测速信息;基于实际道路信息和定点测速信息,利用预先构建的车辆动力学模型、驱动系统模型和能量消耗模型得到车速规划问题;采用预设群体智能优化算法求解车速规划问题,生成车辆在当前所处定点测速道路的最佳加速度。本申请实施例可以基于车辆当前所处定点测速道路的实际道路信息和定点测速信息,得到车速规划问题并生成车辆在当前所处定点测速道路的最佳加速度,有效的降低了用户频繁加速和减速的概率的同时,提高了能量使用效率,提升了车辆驾驶的安全性和稳定性。
Vehicle speed planning method and device based on fixed-point speed measurement information
基于定点测速信息的车速规划方法及装置
2023-01-10
Patent
Electronic Resource
Chinese
IPC: | G06F ELECTRIC DIGITAL DATA PROCESSING , Elektrische digitale Datenverarbeitung / B60W CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION , Gemeinsame Steuerung oder Regelung von Fahrzeug-Unteraggregaten verschiedenen Typs oder verschiedener Funktion / G07C TIME OR ATTENDANCE REGISTERS , Zeit- oder Anwesenheitskontrollgeräte |
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