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Energy optimization of public service escalators

机译：公共服务自动扶梯的能源优化

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This paper is to present the results on the new application of variable speed drive using the in-situ data measured by in-fibre fibre Bragg grating (FBG) sensor for energy optimization of an escalator. It also reports the promising potential of this technique for future development of public service escalators. This paper consists of two parts. The first part reviews the existing energy efficient technologies for escalator operation including auto-two speed operation, auto on/off operation, and the variable torque operation in which the motor voltage is controlled in order to provide a minimal driving torque when there passenger load on the escalator is light. This operation mode improves the power factor of the motor while maintaining constant speed operation. The second part of the paper presents the proposed new variable speed operation in that the speed of an escalator is adjusted in response to varying escalator loading demand. This operation mode is designed based on the operational characteristics of railway system in which the train's headway and hence the escalator passenger flow is different at different times of a day.
机译：本文将介绍利用光纤光纤布拉格光栅（FBG）传感器测量的现场数据进行自动扶梯能量优化的变速驱动新应用的结果。它还报告了这种技术对公共服务自动扶梯未来发展的潜在潜力。本文由两部分组成。第一部分回顾了自动扶梯运行的现有节能技术，包括自动双速运行，自动开/关运行以及可变转矩运行，其中通过控制电动机电压，以便在有载重乘客时提供最小的驱动转矩。自动扶梯很轻。该运行模式在保持恒速运行的同时提高了电动机的功率因数。本文的第二部分介绍了提出的新变速操作，其中自动扶梯的速度可根据不断变化的自动扶梯负载需求进行调节。该运行模式是根据铁路系统的运行特性设计的，在该特性中，火车的车头行程以及自动扶梯的乘客流量在一天的不同时间是不同的。

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