振动子结构综合与修正方法研究综述  

Research on the Synthesis and Modification of Vibration Substructure

作　　者：郑玲[1] 苏锦涛 万鑫铭 王菲 ZHENG Ling;SU Jintao;WAN Xinming;WANG Fei(State Key Laboratory of Mechanical Transmission,Chongqing University,Chongqing 400044;State Key Laboratory of Vehicle NVH and Safety Technology,Chongqing 401122)

机构地区：[1]重庆大学机械传动国家重点实验室,重庆400044 [2]汽车噪声振动和安全国家重点实验室,重庆401122

出　　处：《机械工程学报》2019年第23期120-135,共16页Journal of Mechanical Engineering

基　　金：国家重点研发计划(2017YFB0102603);国家自然科学基金(51875061)资助项目

摘　　要：在大型复杂的结构设计过程中,子结构综合与修正方法由于其快速、动态、综合等特点越来越广泛地应用于现代结构设计之中,以完善子结构综合与修正方法知识参考、引起国内学者关注该技术研究为目的,阐述了振动子结构与系统之间的综合与修正方法。在子结构综合方法中,主要对比分析了模态缩减与综合、频域JETMUNDSEN、REN、机械阻抗导纳法综合法、频响函数奇异值分解降噪法、子系统转角自由度刚柔等效及转换方法的原理及应用,评述了上述方法的优点与不足,就尚未解决的问题作了进一步探讨;在子结构修正方法中,对比分析了多重参考基准修正法、目标函数动态修正法、参数型修正、神经网络型修正、灵敏度修正、频响函数修正等方法的应用,总结了模型修正方法中存在的一些问题。最后,提出了振动子结构综合及修正方法的研究趋势。In the process of large and complex structural design,the synthesis and correction method have been widely used in modem structural,because substructure has the characteristics of fast,dynamic and comprehensive.In order to improve the synthesis and correction of substructure and attract domestic scholars to focus on the research of this technology,the methods for the comprehensive correction of vibration substructures and systems are introduced.In the synthesis method of substructure,the principle and application of these methods are compared.These methods include modal reduction and synthesis,JETMUNDSEN,REN,mechanical impedance admittance method synthesis method,frequency response function singular value decomposition and noise reduction method,angle of freedom and flexible equivalent and transformation method,the advantages and disadvantages of these methods are discussed,and the unsolved problems are discussed as well.In the method of substructure correction,the application effects of these methods are compared,including reference datum correction method,objective function correction method,parameter type method,neural network,sensitivity correction and frequency response function correction method.Finally,some problems existing in the model correction method are summarized,and further research is pointed out.

关 键 词：子结构综合 转角自由度 模型修正 频响函数 

分 类 号：TH212[机械工程—机械制造及自动化] TH213.3