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As the most sustainable means of modern transportation, the railway trains are eagerly approaching autonomous driving due to their congenital advantages on operating environments compare to, e.g., road traffics. The intelligent automatic train driving aims at train control with a goal of energy efficiency, punctuality and safety. The derivation of an optimized train driving solution by taking advantage...
The control sequence optimization problem is difficult to solve due to its high nonlinearity, various constraints and the possible changes in the sequence of comprising elements at any instant of time. The optimization of train trip running profile is a typical control sequence optimization problem, whose optimization object is to minimize the energy consumption as well as the time deviation under...
This paper is to propose a new self-decelerating permanent-magnet (PM) in-wheel motor for low-speed and high-torque drive of electric vehicles (EVs). This motor uses sensorless control and integrates advantages of magnetic gear and those of PM machine together while gear inner rotor is removed. The key is the magnetic gear, which can reduce the size of the motor and achieve the similar torque amplification...
Aiming at eliminating the weakness of single simulation system in servo performance analysis, a HLA (High Level Architecture) based multidisciplinary joint simulation platform for servo performance analysis is established. Various simulation tools are described as federates with the idea of HLA. In order to realize the simulation control and plug and play of multidisciplinary simulation system, a...
Aiming at the limitation of single simulation system in servo performance analysis, the key technique of multidisciplinary joint simulation system is introduced. A novel multidisciplinary joint simulation platform for servo performance analysis is established. The data exchange and integration of servo system dynamics, finite element and control analysis are realized. Finally, the application of joint...
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