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A TESTING SYSTEM WITH REAL-TIME COMPENSATION OF VARYING SYSTEM PARAMETERS
A TESTING SYSTEM WITH REAL-TIME COMPENSATION OF VARYING SYSTEM PARAMETERS
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机译:可变参数实时补偿的测试系统
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摘要
A test system for testing a specimen include (a) a set of actuators for applying a desired time history of load to a specimen, (b) a drive unit connected to each actuator, (c) power generating elements (current/pneumatic/hydraulic) and (d) a controller connected to the drive units, the controller generates a drive signal for the drive unit based on feedback received from output of the specimen and an error derived from the feedback and an input command. The controller generates the drive signal by compensating varying system parameters which are introduced due to nonlinear response of the test system and the specimen, wherein the controller does not require (i) additional measured variable other than a feedback received from the specimen and (ii) a numerical model of the test system and the specimen.
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