An Optimized Fractional-Order PID Horizontal Vibration Control Approach for a High-Speed Elevator
Source abstract
Abstract
Due to factors such as uneven guide rails and airflow disturbance in the hoistway, high-speed elevators may experience significant vibrations during operation. This paper proposes an optimized fractional-order PID (FOPID) method to suppress vibrations of high-speed elevators. First, an accurate horizontal vibration model is established for the elevator car, in which the car frame and body are separate. Then, taking the control cost and the system performance as objective functions, we obtained an optimized FOPID controller based on multi-objective genetic algorithm optimization. Finally, the effectiveness of the controller in reducing elevator vibration was verified through numerical simulation. The results indicate that the horizontal acceleration controlled by the FOPID controller is reduced by about 68% compared to the case without a controller and about 25% compared to the conventional PID controller.
Source: crossref · Quality: baseline
Research context
OpenAlex topics: Elevator Systems and Control · Vibration and Dynamic Analysis · Hydraulic and Pneumatic Systems
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
School of Mechanical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
Funding
Natural Science Foundation of China · Shanghai Municipal Science and Technology Major Project
References (26)
Show source-provided references
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