The Maglev Train Speed Control And Autopilot System

With the development of the technology of the maglev, maglev is stepping into the operational phase of the industry. Maglev line is going to be built on Mount Bada, designment requires that the maglev runs on the rail 2 miles long back and forth. The speciality of the line means that the automatic drive and the manual drive can be used together to comprise the driving system of the maglev, it can use automatic drive in the normal time and manual drive in the debugging period. Automatic drive can not only greatly reduce the work intensity of the drivers, but also decrease energy consume, improve ride comfort and safety.Automatic drive system must be studied step by step. Now on the maglev , driving system controls it's speed by straight changing the pull. Based on the existing system, this paper designs a DSP platform, using it to implement the speed control. Drivers merely give the target speed, how to acquire it leaves to the speed control system. Digital control platform of the DSP uses the TMS320VC33 as its kernel processor, it also expands serial port and parallel port to collect and send out information.Designing mathematic must have a certain target system. This paper uses master control PLC of the maglev to collect the running data, and uses the method of minimum squares to fit the kinetic model of the maglev. We also design the speed control mathematic on the basis of fuzzy control theory. Using MATLAB, we simulate the speed control mathematic based on the kinetic model, and get the simulated curve under various environments.At last, we discuss the requirements of the hardware and logical to implement the automatic drive, give the redundant structure of the hardware platform. We also discuss the principle, function, and logical rules of the automatic drive.