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Input reshaper parameter self-tuning control method based on particle swarm optimization algorithm

A particle swarm optimization, parameter self-tuning technology, applied in the direction of adaptive control, general control system, control/regulation system, etc., can solve problems such as heavy load mass, drive shaft impact, and difficulty in tuning.

Active Publication Date: 2014-06-25
BEIJING UNIV OF TECH
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Problems solved by technology

[0002] During the start-up process of the coaxial transmission printing machine, due to the long-axis connection, the long transmission distance between the shafts, the low stiffness of the system, the heavy load and many other factors, the torsional vibration will occur during the start-up. The torsional vibration phenomenon is not only It affects the steady-state time of the start-up process, and it will also have a great impact on the drive shaft, thus affecting the service life of the printing press
[0003] For the above reasons, the input shaper method is used to filter the system in time domain. However, the traditional zero-oscillation input shaper needs to be accurately modeled, and the parameters interact with each other, making tuning difficult.

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  • Input reshaper parameter self-tuning control method based on particle swarm optimization algorithm

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Embodiment Construction

[0027] The present invention is a control method for self-tuning of input shaper parameters based on particle swarm optimization, referring to figure 1 , when the input signal enters the mechanical system online, the velocity motion curve of the output shaft is collected, and then the particle swarm optimization algorithm is used to optimize the parameters of the input shaper offline according to the collected curve, and then the optimized input shaper is used for feedforward control of the mechanical system. In this way, the frequency point resonating with the actuator in the starting signal can be filtered out, and the torsional vibration of the system can be greatly suppressed while the dynamic performance can be relatively small sacrificed to achieve a fast vibration-free response of the system. .

[0028] Particle swarm offline optimization methods such as figure 2 As shown, the bridge between the particle swarm optimization algorithm and the simulink model is the parti...

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Abstract

The invention relates to an input reshaper parameter self-tuning control method based on a particle swarm optimization algorithm, and belongs to the technical field of drive control methods in the staring process of coaxial transmission machines. According to the buffeting problem in the staring process of coaxial transmission machines, a transmission mechanism is controlled in a feedforward mode through the control method, and effectiveness and feasibility of the control method are proved through experimental results; in the off-line state, a dipulse input reshaper is optimized by using the particle swarm optimization algorithm to obtain the optimal parameter, and then an actuator is controlled in a feedforward mode by using the obtained optimal input reshaper. According to the torsional vibration problem in the staring process of the coaxial transmission printing machines, an input reshaper parameter self-tuning control algorithm based on particle swarm optimization is provided. According to the control method, while torsional vibration of a system is restrained substantially, dynamic performance of the system is sacrificed little, and a rapid vibration-free response of the system is achieved.

Description

technical field [0001] The invention relates to a parameter self-tuning control method of an input shaper based on a particle swarm optimization algorithm, and belongs to the technical field of drive control methods in the start-up process of coaxial transmission machinery. Background technique [0002] During the start-up process of the coaxial transmission printing machine, due to the long-axis connection, the long transmission distance between the shafts, the low stiffness of the system, the heavy load and many other factors, the torsional vibration will occur during the start-up. The torsional vibration phenomenon is not only It affects the steady-state time of the start-up process, and it will also bring a great impact to the transmission shaft, thereby affecting the service life of the printing press. [0003] For the above reasons, the input shaper method is used to filter the system in time domain. However, the traditional zero-oscillation input shaper requires preci...

Claims

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Application Information

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IPC IPC(8): G05B13/04
Inventor 蔡力钢张森刘志峰许博
Owner BEIJING UNIV OF TECH
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