The invention relates to a multi-model adaptive fault compensation control method and system for a motor train unit braking system. The method comprises the following steps: establishing a first motor train unit braking system model; establishing a second motor train unit braking system model according to the first motor train unit braking system model; establishing a motor train unit reference model according to the expected braking curve of the motor train unit; determining an adaptive fault compensation controller in each fault mode according to the second motor train unit braking system model and the motor train unit reference model to obtain a controller set; determining a system state estimation error according to the system state quantity estimation value and the system state, designing a parameter adaptive law according to the system state estimation error, and further designing an adaptive fault-tolerant controller set; determining a performance loss function based on the system state error; determining an optimal controller according to the performance loss function; and controlling the current motor train unit by using the control signal output by the optimal controller. The safety and stability of the braking process of the motor train unit can be effectively guaranteed.
本发明涉及一种动车组制动系统的多模型自适应故障补偿控制方法及系统。该方法包括建立第一动车组制动系统模型;根据第一动车组制动系统模型,建立第二动车组制动系统模型;根据动车组的期望制动曲线建立动车组参考模型;根据第二动车组制动系统模型和动车组参考模型确定每一故障模式下的自适应故障补偿控制器,得到控制器集合;根据系统状态量估计值和系统状态确定系统状态估计误差,并根据系统状态估计误差设计参数自适应律,进一步设计自适应容错控制器集合;以系统状态误差为基础确定性能损失函数;根据性能损失函数确定最优控制器;利用最优控制器输出的控制信号对当前动车组进行控制。本发明能够有效保障动车组制动过程的安全性和平稳性。
Multi-model adaptive fault compensation control method and system of motor train unit braking system
动车组制动系统的多模型自适应故障补偿控制方法及系统
2023-03-24
Patent
Electronic Resource
Chinese
IPC: | B60T Bremsanlagen für Fahrzeuge oder Teile davon , VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF |
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