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A platform for research: civil engineering, architecture and urbanism
Active intelligent gyrostabilizer for improving flutter stability of long-span bridge and control algorithm of active intelligent gyrostabilizer
The invention discloses an active intelligent multidirectional gyrostabilizer for improving the flutter stability of a long-span bridge and an intelligent control algorithm of the active intelligent multidirectional gyrostabilizer. The gyrostabilizer structurally comprises a motor I, an attitude angle sensor, a power supply box, a control box, a gyrostabilizer main body, a chain driving device and the like, according to the gyrostabilizer, a flutter derivative is obtained through wind tunnel test identification, and the aerodynamic moment of a main beam at a unit torsion angle is obtained. When the main beam is twisted, the autorotation angular velocity of the gyrostabilizer under the corresponding torsion angle of the main beam is correspondingly output by combining the aerodynamic moment under the corresponding torsion angle of the main beam and the instantaneous optimal mapping relation between the torsion angle of the main beam and the autorotation angular velocity of the gyrostabilizer established based on the artificial intelligence neural network technology; and according to the gyroscope precession angular velocity calculated according to the gyroscope precession theory, gyroscope precession is controlled through the chain driving device, the gyroscope moment is generated, the motion state and the posture behavior of the stabilizer are intelligently controlled, and the flutter stability of the bridge section is improved.
本发明公开了一种用于提升大跨度桥梁颤振稳定性的主动式智能多向陀螺稳定器及其智能控制算法，陀螺稳定器的结构包括电机一、姿态角度传感器、供电箱、控制箱、陀螺稳定主体、链条驱动装置等；该陀螺稳定器通过风洞试验识别得到的颤振导数，获取主梁单位扭转角时的气动力矩。当主梁发生扭转时，结合主梁相应扭转角度下的气动力矩和基于人工智能神经网络技术建立的主梁扭转角和陀螺稳定器自转角速度之间的瞬时最优映射关系，对应输出主梁相应扭转角度下陀螺稳定器的自转角速度，以及根据陀螺进动理论计算得到的陀螺进动角速度，再通过链条驱动装置控制陀螺进动，产生陀螺力矩，智能控制稳定器的运动状态与姿态行为，提升桥梁断面的颤振稳定性。
Active intelligent gyrostabilizer for improving flutter stability of long-span bridge and control algorithm of active intelligent gyrostabilizer
The invention discloses an active intelligent multidirectional gyrostabilizer for improving the flutter stability of a long-span bridge and an intelligent control algorithm of the active intelligent multidirectional gyrostabilizer. The gyrostabilizer structurally comprises a motor I, an attitude angle sensor, a power supply box, a control box, a gyrostabilizer main body, a chain driving device and the like, according to the gyrostabilizer, a flutter derivative is obtained through wind tunnel test identification, and the aerodynamic moment of a main beam at a unit torsion angle is obtained. When the main beam is twisted, the autorotation angular velocity of the gyrostabilizer under the corresponding torsion angle of the main beam is correspondingly output by combining the aerodynamic moment under the corresponding torsion angle of the main beam and the instantaneous optimal mapping relation between the torsion angle of the main beam and the autorotation angular velocity of the gyrostabilizer established based on the artificial intelligence neural network technology; and according to the gyroscope precession angular velocity calculated according to the gyroscope precession theory, gyroscope precession is controlled through the chain driving device, the gyroscope moment is generated, the motion state and the posture behavior of the stabilizer are intelligently controlled, and the flutter stability of the bridge section is improved.
本发明公开了一种用于提升大跨度桥梁颤振稳定性的主动式智能多向陀螺稳定器及其智能控制算法，陀螺稳定器的结构包括电机一、姿态角度传感器、供电箱、控制箱、陀螺稳定主体、链条驱动装置等；该陀螺稳定器通过风洞试验识别得到的颤振导数，获取主梁单位扭转角时的气动力矩。当主梁发生扭转时，结合主梁相应扭转角度下的气动力矩和基于人工智能神经网络技术建立的主梁扭转角和陀螺稳定器自转角速度之间的瞬时最优映射关系，对应输出主梁相应扭转角度下陀螺稳定器的自转角速度，以及根据陀螺进动理论计算得到的陀螺进动角速度，再通过链条驱动装置控制陀螺进动，产生陀螺力矩，智能控制稳定器的运动状态与姿态行为，提升桥梁断面的颤振稳定性。
Active intelligent gyrostabilizer for improving flutter stability of long-span bridge and control algorithm of active intelligent gyrostabilizer
一种用于提升大跨度桥梁颤振稳定性的主动式智能陀螺稳定器及其控制算法
TI ZILONG (author) / YOU HENGRUI (author) / LI YONGLE (author) / YANG LING (author) / PAN JUNZHI (author)
2023-08-18
Patent
Electronic Resource
Chinese
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