未来5～10年内的重大科学问题有:43|----机板工程学科发展战路报

The major scientific issues in the next 5 to 10 years are: <br>43 <br>| ---- <br>Research Report on the Development of Machine Board Engineering Discipline (2011 ～ 2020) | <br>1) The performance, topology and scale mapping of complex and real organizations are <br>based on functions and performance requirements Reveal the theoretical system and method of the integrated topology, kinematics and dynamics integrated modeling and optimization design of mechanism topology, kinematics and dynamics models. <br>System laws, searching for performance evaluation indicators that integrate the topology and scale characteristics of the reaction, constructing complex and real mechanism extensions <br>2) mechanical vibration generation and propagation mechanism and control <br>study the mechanism of complex mechanical vibration generation and propagation, excitation and dynamic parameter identification and failure Diagnosis <br>method, the influence of driving mode on mechanical vibration and vibration control theory, analyze the correlation between the input force, bearing energy, force, inertia, stiffness and damping of the machine to achieve effective control and utilization of mechanical vibration. <br>3) Matching laws of dynamic characteristics and dynamic parameters of mechanical products <br>Research on the relationship between dynamic characteristics and dynamic parameters of mechanisms and mechanical systems, analyze the nonlinear characteristics of vibration systems, discuss loads, operating conditions, operating environment and mechanical system dynamics Parameter matching method to establish the theory of mechanical vibration dynamic probability design system.

未来5～10年内的重大科学问题有:<br>43<br>|----<br>机板工程学科发展战路报告(2011～2020)|<br>1）复杂与真实机构性能、拓扑与尺度映射规律<br>基于功能与性能要求,揭示机构拓扑结构、运动学和动力学模型间的内在联扑、运动学与动力学集成建模与优化设计的理论体系与方法。<br>系规律,探寻综合反应拓扑与尺度特征的性能评价指标,构建复杂与真实机构拓<br>2)机械振动产生与传播机理和控制<br>研究复杂机械振动产生与传播的机理,激励与动力学参数的识别及故障诊断<br>方法,驱动模式对机械振动的影响和振动控制理论,分析机械的输入力、承载能|力、惯量、刚度与阻尼等的关联关系,实现对机械振动的有效控制与利用。<br>3)机械产品的动态特性与动力学参数匹配规律<br>研究机构和机械系统的动态特性与动力学参数的关联关系,分析振动系统的非线性特性,探讨载荷、工况、运行环境和机械系统动力学参数匹配方法,建立机械振动动态概率设计系统理论。

The major scientific problems in the next 5-10 years are as follows:<br>Forty-three<br>- ---<br>Report on the development of mechanical engineering discipline (2011-2020)|<br>1) Performance, topology and scale mapping of complex and real mechanisms<br>Based on the requirements of function and performance, the theoretical system and method of topological structure, internal linkage between kinematic and dynamic models, integrated modeling and optimal design of kinematic and dynamic models are revealed.<br>To explore the performance evaluation index of comprehensive response topology and scale characteristics, and to build complex and real mechanism extension<br>2) Mechanism and control of mechanical vibration generation and propagation<br>Study on the mechanism of generation and propagation of complex mechanical vibration, identification of excitation and dynamic parameters and fault diagnosis<br>Methods: the influence of driving mode on mechanical vibration and the theory of vibration control were analyzed. The relationship among input force, bearing energy, inertia, stiffness and damping was analyzed to realize the effective control and utilization of mechanical vibration.<br>3) Dynamic characteristics of mechanical products and matching rules of dynamic parameters<br>This paper studies the relationship between the dynamic characteristics of mechanism and mechanical system and dynamic parameters, analyzes the nonlinear characteristics of vibration system, discusses the matching methods of load, working condition, operating environment and dynamic parameters of mechanical system, and establishes the dynamic probability design system theory of mechanical vibration.<br>