The invention provides a driving speed planning method and device, electronic equipment and a storage medium, and the method comprises the steps: obtaining the current state quantity of a vehicle, building a state space model based on the current state quantity, and taking the current state quantity as the input of the state space model, the method comprises the following steps: taking a vehicle acceleration as a control quantity of a state space model, periodically updating a current state quantity, obtaining an objective function in each period based on the state space model, solving the objective function in each period to obtain a target control sequence which minimizes the objective function, and obtaining a target control sequence which minimizes the target function; and the first item in the target control sequence is input into the vehicle system to update the acceleration of the vehicle system, the driving speed planning of the vehicle system is completed by knowing that the preset condition is met, the shaking and discomfort caused in the acceleration process of the vehicle are reduced through the driving speed planning method, and meanwhile, the energy consumption during the acceleration of the vehicle can be reduced.
本发明提供一种驾驶速度规划方法、装置、电子设备及存储介质,该方法包括获取车辆的当前状态量,当前状态量包括相对速度和相对位移,基于当前状态量建立状态空间模型,将当前状态量作为状态空间模型的输入,将车辆加速度作为状态空间模型的控制量,对当前状态量进行周期性的更新,在每个周期内基于状态空间模型得到周期内的目标函数,对每个周期的目标函数进行求解,得到使目标函数最小化的目标控制序列,并将目标控制序列中的首项输入车辆系统以对车辆系统的加速度进行更新,知道满足预设条件完成车辆系统的驾驶速度规划,通过该驾驶速度规划方法以减少车辆在加速过程中引起的摇晃和不适感,同时可以减少车辆加速时的能耗。
Driving speed planning method and device, electronic equipment and storage medium
一种驾驶速度规划方法、装置、电子设备及存储介质
2024-03-22
Patent
Elektronische Ressource
Chinesisch
IPC: | 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 |
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