The Linear Optimal Control for the Mechanical Vibration Based on Remanufacturing Repaired

Liu, Ling

doi:10.4028/www.scientific.net/AMR.823.47

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HomeAdvanced Materials ResearchComputing, Control and Industrial Engineering IVThe Linear Optimal Control for the Mechanical...

The Linear Optimal Control for the Mechanical Vibration Based on Remanufacturing Repaired

Abstract:

It is used by the piezoelectric ceramics sheet of positive-inverse piezoelectric effect in a set of copper alloy remanufacturing repair cantilever vibration system as the research object in the paper.A state space model have been generated on the cantilever beem mechanical structure of dynamics finite element modeling and degrees of freedom dynamic polycondensation.It is inhibited effectively when a cantilever beam subjected to external transient pulse disturbance caused by first order, two order and higher order system mode vibration,by using the linear quadratic optimal control of two state regulation for the detection of position feedback independent modal control on the basis of the state-space model. Software is used to simulate active vibration control effect.The simulation results show that the mode control inhibited have excellent effects for the repaired cantilever vibration, also analysed on the modal control parameters for the vibration suppression effect.

Info:

Periodical:

Advanced Materials Research (Volume 823)

Main Theme:

Computing, Control and Industrial Engineering IV

Edited by:

Zude Zhou and Hong Lu

Pages:

47-51

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.823.47

Citation:

L. Liu "The Linear Optimal Control for the Mechanical Vibration Based on Remanufacturing Repaired", Advanced Materials Research, Vol. 823, pp. 47-51, 2013

Online since:

October 2013

Authors:

Ling Liu

Keywords:

Active Modal Control, Mechanical Vibration, Optimal Control Linear Quadratic Methods, Remanufacturing

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$38.00

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Paper TitlePages

Structural Reliability Analysis of Loading Platform Cantilever under Multiple Failure Modes

Authors: Rui Jun Zhang, Min Li, Min Qin Zhang, Xiao Wei Wang

Abstract: Force behaviors of the loading platform of rotating stereo garages is analyzed, equations describing the load capacity and the deformation limit state are proposed for the key sections by applying the second-order moment into the reliability analysis of the main beam. Considering random parameters subject to normal distribution, a reliability model of the main beam of the loading platform is set up based on multiple failure modes and the reliability is analyzed and calculated by using second-order moment. Simulation results show that the reliability model is significant to guide designing on the reliability of rotating stereo garages and improves rotating stereo garages.

204

The Optimized Design of Strains Transducer Elastic Component with Double Cantilever Beam

Authors: Yi Fei Yan

Abstract: Abstract: The article presents the optimized design of the strains transducer elastic component with double cantilever beam. The calculation has been made by the methods of differential equations in the mechanics of material and the finite element methods.We get the maximum strain range and the best gauge position of the strains transducer. The results by the finite element methods are in accordance with the one that calculated by the differential equations. The output sensitivity of the transducer has been analysed. The load electrical capacity output of the material testing machine has been calculated.

1746

Experimental Study of Particle Collision Damper for Vibration Attenuation

Authors: Di Liu, Shu Lin Wang, Yan Chen Du, Hai Chao Li, Yin Zhang Sun

Abstract: In cantilever beam system, through the experimental method to study vibration reduction mechanism of particle collision damper. The filling rate of particle damping agent in damper is 40%, added the damper with different diameter impacters and different kinds of particle damping agent in combinations ways, the cantilever beam system obtained the varying vibration reduction, according to the quality of vibration reduction, analyzed the joined impacters and particle damping agent influence of vibration attenuation rule. Experimental results show that damper added impacters and particle damping agent can dramatically reduce the maximum amplitude of cantilever beam system in resonant frequency, and can effectively restrain vibration of cantilever beam system.

176

Modeling and Simulation Technology of Complex Mechanical Systems

Authors: Bin Lin, Meng Lai Zhu, Xiao Gang Liu

Abstract: Reasonable simplification of finite element modeling of complex mechanical systems can reduce the amount of elements and nodes. The solution efficiency is improved in this way, which is of great economic significance in the practical engineering problem. Based on the modeling and simulation of a Conveyor System between Roving Frame and Spine Frame in automated textile production line, this paper investigates and proves the effectiveness of simplification of the complex mechanical system in the dominant finite element software – ANSYS. Results of static analysis of the simplified model agree well with the actual data, proving that the simplified solid-beam element model of the Conveyor System is reasonable. The results lay the foundation for the subsequent kinetic analysis and optimal design of complex mechanical system.

1186

Performance Optimization Two-Node Support Structure of Free Beam Vibration Gyro

Authors: Yu Liu, Shen Liu, Wen Ji Xiong, Hong Ming Zeng

Abstract: Establishing the system model of free beam vibration gyro under the influence of the Support structure, deriving and analyzing its vibration performance, comparison between model simulation through ANSYS software and relative theoretical calculation indicates that the relative error is less than 0.25%. Researches on the relations among system sensitivity, bandwidth, shock resistance and anti-interference ability of its model and sizes of Support structure contribute to principles of system optimization design and a set of design parameters: free beam (50mm×4.1mm×4.12mm), cylindrical Support structure(radius0.25mm×2.46mm), the performance of model is as: system driving frequency (8589.8HZ), bandwidth (39.4HZ), shock resistance (411.02g) and anti-interference frequency (above2381.3HZ).

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