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The Experimental Research of Magnetic Powder Brake Loading Characteristic in Rotary System

机译：旋转系统中磁粉制动器负荷特性的实验研究

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摘要

In order to obtain the loading characteristics ul magnetic particle brake (MPB) in rotary system, the servo-motor controlling and testing experimental platform is used to research MPB loading characteristics. The key step is designing different experiments that include static loading experiment, step loading experiment, and tracking loading experiment. Based on the static experiment data, the MPB static property presents hysteresis which is described appropriately in the way of piccewise fitting. The response time in step experiment is longer in upward section than in downward -cction and it has no relation with the peed of MPB by lucubrating step experiment data. Phase difference is relevant to input current excitation frequency after analyzing tracking experiment data. The loading characteristic of MPB is closely relation to the MPB velocity which is proposed in rotary loading system. When the inpm current doesn't change, the output torque increases along with the rotary speed increasing. Also, this paper provides reference materials for improving the loading precision, mathematics modeling, and hysteresis compensation.
机译：为了获得旋转系统中的磁粉制动器（MPB）的负载特性，利用伺服电机控制与测试实验平台研究了MPB的负载特性。关键步骤是设计不同的实验，包括静态加载实验，逐步加载实验和跟踪加载实验。基于静态实验数据，MPB静态特性呈现出滞后现象，该现象以逐次拟合的方式进行了适当描述。逐步实验中的响应时间在向上部分比在向下部分中更长，并且通过整理逐步实验数据与MPB的速度无关。在分析跟踪实验数据之后，相位差与输入电流激励频率有关。 MPB的加载特性与旋转加载系统中提出的MPB速度密切相关。当inpm电流不变时，输出转矩随着转速的增加而增加。此外，本文还提供了参考资料，以提高加载精度，数学建模和磁滞补偿。

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