2 May 2006 Research on speed control of secondary regulation lifting system of parking equipment
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Proceedings Volume 6042, ICMIT 2005: Control Systems and Robotics; 604221 (2006) https://doi.org/10.1117/12.664639
Event: ICMIT 2005: Merchatronics, MEMS, and Smart Materials, 2005, Chongqing, China
Abstract
Hydrostatic transmission with secondary regulation is a new kind of hydrostatic transmission that can regenerate inertial and gravitational energy of load. On the basis of an in-depth analysis of the working principles and energy-saving mechanisms of the parking equipment lifting systems with, secondary regulating technology, this paper proposes a method of regenerating a lifting system's inertial energy by controlling rotational speed and reclaiming the gravitational energy by use of a constant rotational speed. Considering large changes of the parameters of lifting systems and then non-linearity, a fuzzy control was adopted to control the lifting system, and a mathematical model of the system was established. By simulation and experiment of the lifting system, the conclusion was reached a lifting system's braking achieved by controlling rotational speed is reliable and stable at a definite speed. It also permits changing the efficiency of recovery by changing the rotational speed. The design power of the lifting system can be chosen in terms of the system's average power, so the system's power can be reduced and energy savings achieved.
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Faye Zang, Faye Zang, } "Research on speed control of secondary regulation lifting system of parking equipment", Proc. SPIE 6042, ICMIT 2005: Control Systems and Robotics, 604221 (2 May 2006); doi: 10.1117/12.664639; https://doi.org/10.1117/12.664639
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