线性摩擦焊机振动系统幅相控制策略研究  

Study on Amplitude and Phase Control Strategy of Vibration System of Linear Friction Welding Machine

作　　者：陈虎 杜随更[1,2] 胡弘毅 CHEN Hu;DU Suigeng;HU Hongyi(Key Laboratory of High Performance Manufacturing for Aero Engine,Ministry of Industry and Information Technology,School of Mechanical Engineering,Northwestern Polytechnical University,Xi'an 710072,China;Engineering Research Center of Advanced Manufacturing Technology for Aero Engine,Ministry of Education,School of Mechanical Engineering,Northwestern Polytechnical University,Xi'an 710072,China)

机构地区：[1]西北工业大学机电学院,航空发动机高性能制造工业和信息化部重点实验室,西安710072 [2]西北工业大学机电学院,航空发动机先进制造技术教育部工程研究中心,西安710072

出　　处：《机械科学与技术》2023年第11期1946-1951,共6页Mechanical Science and Technology for Aerospace Engineering

基　　金：国家自然科学基金项目(10477017)。

摘　　要：为保证线性摩擦焊接过程能量输入的稳定性,提高线性摩擦焊机振动系统幅值与相位的控制精度,建立了振动系统目标信号、输入信号与输出信号之间的关系,提出幅相控制策略,设计了幅相控制算法控制器,并采用Simulink建立了系统控制模型,通过模拟仿真,得到了不同焊接参数下的算法输入参数。通过典型参数下的焊接试验,验证了幅相控制的可行性。根据焊接过程参数分析了不同控制方法的控制效果,结果表明采用所设计的幅相控制策略,焊接过程中振动系统的振幅误差为1.2%,相位误差为0.16°。In order to ensure the energy supply stability of welding operation and improve the control accuracy of amplitude and phase of vibration servo system of linear friction welding machine,the relationship between target signal,input signal and output signal was established in this paper.The vibration servo system controller was designed based on amplitude and phase control algorithm,and the system control model was established in Simulink.Through simulation,the algorithm input parameters under different welding parameters were obtained.The feasibility of amplitude and phase control strategy was verified by welding tests under typical parameters.The control effects of different control methods were analyzed according to the welding process parameters.The results showed that the amplitude control error with amplitude and phase control algorithm was 1.2%and the phase control error was 0.16°.

关 键 词：线性摩擦焊机 振动系统 幅相控制 SIMULINK仿真 

分 类 号：TP23[自动化与计算机技术—检测技术与自动化装置]