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The wheel/rail vertical loads are strongly affected by the aerodynamic loads and track excitations, and will further influence the wheel/rail adhesion forces. With the increasing of train speed, the influence of aerodynamic loads becomes more and more significant. In order to probe into this problem, a simplified train dynamic model with three vehicles is established in which each vehicle system has...
To obtain perfect performances of the main steam temperature control system, a new scheme is proposed. The scheme substitutes fuzzy self-tuning PID controller for the main regulator of cascade control system. The controller is composed of fuzzy controller and PID controller. According to the error and error rate of the control system and fuzzy control rules, the fuzzy controller can online adjust...
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