Vibration reduction system and control method for horizontal vibration of high-speed elevator car

Abstract

The invention discloses a system for reducing horizontal vibration of a high-speed elevator car. The system comprises a driving vibration reducer and a driving control system. The driving vibration reducer comprises two actuators, a fixing plate, a vibration acceleration detector and an integrated control device, the two actuators include an x-direction actuator and a y-direction actuator which are fixedly connected with the fixing plate, the vibration acceleration detector is fixed in the center of the fixing plate, and the vibration acceleration detector is electrically connected with the integrated control device which is fixed on the fixing plate. Compared with mounting four traditional driving guide shoes on an elevator, the system has the advantages that only one driving vibration reducer is needed and disposed at the bottom of the elevator car, so that horizontal vibration of an elevator car system can be inhibited; the system is simple, low in failure rate, convenient to operate, lower in energy consumption and beneficial to cost control.

Description

Technical field: [0001] The invention relates to the field of damping of screw elevators, in particular to a damping system for horizontal vibration of a high-speed elevator car and a control method thereof. Background technique: [0002] High-speed traction elevators are affected by the excitation of the unevenness of the guide rail, and the car will produce obvious horizontal vibration, and the vibration intensity will increase with the increase of the lifting speed, which seriously affects the ride comfort and safety. Since the traditional passive control can only provide a small damping force and cannot meet the damping demand of high-speed elevators, it is necessary to suppress the vibration of the car through an active control method. [0003] The traditional active car vibration control is a fuss on the guide shoe, based on adaptive fuzzy control and PID control based on generalized prediction, by applying active control force between each guide wheel and the car (the realiz...

AI Technical Summary

Problems solved by technology

The disadvantages of the above control device are: 1. The actuator structure is complex (each guide shoe contains three actuators), and the failure rate is high; 2. The control algorithm is complicated; 3. The hardware cost is high, and one car needs to install four actuators. One active guide shoe, which is inconvenient to install and poor in versatility; 4. High energy consumption, which does not meet the policy requirements of energy saving and emission reduction

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