Research On Energy Saving Operation Control Of High Speed Train Based On Predictive Control Theory

High speed train has become one of the important modes of transportation in China,the train consumes a lot of energy during the operation,energy saving has become the most important research focus in high-speed train operation.Therefore,this paper has carried on the detailed analysis and the thorough research to the high speed train energy conservation optimization question.The research contents of the thesis are mainly divided into three parts:Firstly,the stress condition of high-speed train during operation is analyzed.On this basis,the number of optimal models is determined by subtractive clustering,based on the least square method,the multiple models of high-speed train operation are identified.The purpose is to describe the different running state of the train more accurately.At the same time,the energy consumption of train is analyzed,and the energy consumption calculation model of high speed train is established.Secondly,on the premise of meeting the requirements of normal operation of trains,it designs the performance index of the train.Particle swarm optimization is used to select the inertia points reasonably.Under the corresponding constraints,it obtains the train operation strategy and the corresponding energy saving curve after optimization.It possible to increase the inertia of trains during operation,so that it achieves energy saving effect.Finally,the energy saving curve is used as the input of the system,it proposes a vehicle routing scheme based on robust predictive control algorithm.It tracks the running curve of train optimization and energy saving,and use the strategy of offline design and online synthesis.It further improves the tracking performance of the train in operation.It has also designed the train transmission control system.In the system,the power can be controlled by the power transformer,the pulse rectifier,the intermediate link and the inverter to the direct torque control of the permanent magnet synchronous motor to control the running of the train wheel,it makes the train energy saving and optimal operation realized.It is proved by simulation that the energy saving optimization operation mode is effective and feasible.