基于动态校准数据的压杆测试系统动态特性校正技术

Acorrectiontechniqueondynamiccharacteristicsofapressurebartest systembasedondynamiccalibrationdata

摘要: 针对应变式压杆测试系统在冲击波的超压测量中存在动态响应不足的问题,建立了激波管校准平台。采用系统辨识建模和动态补偿的方法,将时域分析和频域估计相结合,设计了一种动态补偿滤波器,改善了压杆测试系统的动态特性,使频带展宽,响应时间减少。
- 爆炸力学 /
- 校准平台 /
- 动态补偿 /
- 压杆测试系统 /
- 系统辨识 /
- 冲击波
Abstract: Ashock-tubecalibrationplatformwasestablishedtosolvetheinsufficientdynamicresponse ofapressurebartestsystemintheshockwavemeasurementforchemicalexplosiveexperiments.The dynamiccharacteristicsofthepressurebartestsystem wasinvestigatedbyadoptingthefollowing methodssuchassystemidentification,dynamiccompensationandthecombinationoftimedomainanalysisandfrequencydomainestimation. Anew-typedynamiccompensationfilterwasdesignedto improvethedynamiccharacteristicsofthetestsystem.Andthecompensationeffectwastested.The resultsshowthatthefrequencybandwidthofthetestsystemisexpandedandtheresponsetimeisreduced.
- mechanicsofexplosion /
- calibrationplatform /
- dynamiccompensation /
- pressurebartest system /
- systemidentification /
- shockwave