Active control system for suppressing swing and sway behaviors of engineering structures or mechanical systems
The active control system addresses the instability caused by torsional vibrations in bridges by using a motor-driven rotating plate to generate counteracting torque, effectively suppressing these vibrations and enhancing bridge stability.
US20250250751A1Pending Publication Date: 2025-08-07SHENYANG UNIVERSITY OF TECHNOLOGY
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Patent Information
- Application Number
- US19/051413
- Authority / Receiving Office
- US · United States
- Patent Type
- Applications(United States)
- Current Assignee / Owner
- Priority Date
- 2022-08-15
- Filing Date
- 2025-02-12
- Publication Date
- 2025-08-07
AI Technical Summary
Technical Problem
Existing passive control systems, such as dampers, fail to effectively address torsional vibrations in bridges, leading to instability and potential collapse due to their inability to control rotation-related vibrations and varying control effectiveness under different excitation frequencies.
Method used
An active control system comprising a first motor, rotating plate, sensor, and controller that detects torsional angles and generates counteracting torque through the rotating plate to suppress torsional vibrations.
Benefits of technology
The active control system effectively counteracts torsional vibrations, improving the stability of bridges by generating torque that directly opposes the torsional motion, enhancing stability and responsiveness.
✦ Generated by Eureka AI based on patent content.
Abstract
An active control system for suppressing swing and sway behaviors includes a first motor, a rotating plate, a sensor and a controller. The first motor is provided on a to-be-controlled object. The rotating plate is provided on the first motor. The controller is connected to the sensor and the first motor. The sensor is configured to detect a torsional angle of the to-be-controlled object and send the torsional angle to the controller. The controller is configured to process the torsional angle and output a control instruction to the first motor based on a processing result, so as to control the first motor to drive the rotating plate to rotate.
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