Design of a Train Trajectory Optimization Method Based on Pseudo-Spectral Method

摘要

With the advantages of punctuality, high speed and safety, urban rail transit has become one of the first choices. With the improvement of people's awareness of energy conservation and environmental protection, train energy consumption has become the focus of research. This paper mainly studies the single train driving strategy to reduce the energy consumption of traction. At present, the design of energy-saving driving methods can be roughly divided into optimal control method, heuristic algorithm and direct method. The direct method has the advantages of small amount of calculation, high efficiency, wider convergence region and no need for high precision initial value. Therefore, this paper also chooses direct method as the solution of the optimal control problem. This paper designs an automatic train driving strategy based on pseudo spectral method.