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Railway condition monitoring is one of crucial factors to ensure safe and cost-effectiveness of train operation. A fiber Bragg grating sensors based real-time train wheel condition monitoring system has been developed and reported by our team. In the system, the condition index (CI) is generated to indicate wheel condition. To further verify the system is reliable. This paper reports, as case studies,...
Different cases of the headlight design has been made for the front-lighting system. The design under pitch control, various obstacle location, control of high and low beam are described. The motion control of the front-lighting system is also discussed. It has found that the stepper motor is preferable than DC motor because of the dynamic performance, cost and the control.
This paper proposes a simplified vector control implementation strategy that can be realized in the absence of current sensors. In order to decouple the torque and flux in the determination of the three-phase voltage reference commands of the SPWM inverter, both stator and rotor currents in the stationary and rotating frames can be derived from the corresponding rotor flux-oriented vector control...
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