Open AccessResearch on New Types of Suspension Vibration Reduction Systems (SVRSs) with Geometric Nonlinear Damping
Author(s) -
Meng Yang,
Jian Zhang,
Xingjiu Luo
Publication year - 2021
Publication title -
mathematical problems in engineering
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.262
H-Index - 62
eISSN - 1026-7077
pISSN - 1024-123X
DOI - 10.1155/2021/6627693
Subject(s) - nonlinear system , vibration , suspension (topology) , vibration isolation , reduction (mathematics) , computation , control theory (sociology) , dimensionless quantity , mathematics , type (biology) , computer science , physics , mechanics , algorithm , geometry , acoustics , artificial intelligence , control (management) , pure mathematics , biology , ecology , quantum mechanics , homotopy
Firstly, this paper puts forward two new types of suspension vibration reduction systems (SVRSs) with geometric nonlinear damping based on general SVRS (GSVRS), which only has geometric nonlinear stiffness. Secondly, it derives the motion differential equations for the two new types of SVRS, respectively, and discusses the similarities and differences among the two types and GSVRS through the comparison of motion differential equations. Then, it conducts dimensionless processing of the motion differential equations for the two new types of SVRS and carries out a comparative study on the vibration isolation performance of the two types of SVRS under impact excitation and random excitation, respectively. At last, it performs the optimal computation of the chosen new type of SVRS through the ergodic optimization method and studies the influence rule of SVRS parameters on vibration isolation performance so as to realize the optimization of vibration isolation performance.
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