摘要
多点激励振动试验由于能更加真实地模拟实际振动环境而被越来越多的人所重视,成为振动环境试验发展的趋势。阐述了多点激励振动试验系统基本控制原理,并对时域波形复现的关键技术迭代算法和驱动信号重叠连接,以及频谱再现的关键技术反馈修正算法和时域随机化技术进行了介绍。最后对多点激励振动试验控制技术进行总结与展望。
More and more people have paid attention to the multi-exciter vibration testing system since it can simulate the vibration environment more really,and now it has become a development tendency of environmental vibration test.The basic control principle of multi-exciters vibration testing system was presented and the key technologies,namely,the time-domain waveform replication,which includes iterative algorithm and overlap connection of driving signal,and the frequency spectrum replication,which includes feedback correcting logorithm and time randomization were introduced.A summary of control technologies for multi-exciters vibration testing was given with its prospect discussed.
出处
《振动与冲击》
EI
CSCD
北大核心
2011年第3期69-73,共5页
Journal of Vibration and Shock
关键词
多点激励
振动控制
时域再现
频谱再现
multi-exciters
vibration control
waveform replication
frequency spectrum replication
