Energy Saving Control Strategy for the High-Frequency Start-up Process for Electric Mining Haul Trucks
作者： Yingjie Zhang , Ying Zhang , Zhaoyang Ai , Yun Feng , Wei Cheng
关键词: Truck 、 Automotive engineering 、 Energy consumption 、 Computer science 、 Process control 、 Optimal control 、 Electricity generation 、 Control system 、 System model 、 Maximum power transfer theorem
摘要: Electric mining haul trucks (EMHTs) used for “short distance” transportation undergo a high-frequency of start-ups which can be highly energy consuming. This paper proposes an saving control (ESC) strategy the start-up process EMHTs. To design ESC strategy, system model is established based on characteristics power transfer mechanism EMHT drive system. With this model, designed using optimal theory. The Hamilton function reconstructed and Pontryagin minimum principle to formulate by taking consumption response time into account. Based ESC-strategy-based algorithm selecting switching according boundary condition. verify performance, simulation dc 154t EMTH built with MATLAB. Compared constant driver's manual control, enjoys better dynamic performances lower in process.
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