Experimental study of electro-hydraulic actuator with payload for precision motion control
Offline iterative control technique in a hydraulic testing sector is primarily used to improve the tracking control performance despite nonlinearity caused by a testing subject or hydraulic actuators. However, it is hard to find previous researches analyzing about the effect of various load types to...
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          | Published in | Microsystem technologies : sensors, actuators, systems integration Vol. 24; no. 3; pp. 1347 - 1357 | 
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| Main Authors | , , | 
| Format | Journal Article | 
| Language | English | 
| Published | 
        Berlin/Heidelberg
          Springer Berlin Heidelberg
    
        01.03.2018
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| Subjects | |
| Online Access | Get full text | 
| ISSN | 0946-7076 1432-1858  | 
| DOI | 10.1007/s00542-016-3050-9 | 
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| Abstract | Offline iterative control technique in a hydraulic testing sector is primarily used to improve the tracking control performance despite nonlinearity caused by a testing subject or hydraulic actuators. However, it is hard to find previous researches analyzing about the effect of various load types to the offline iterative control technique. The present paper demonstrated the effect of three load types to the offline iterative control technique by using experimental data. For this, the three load types in test conditions were defined. Then transfer functions of an actuating system and tracking control performance of the offline iterative control technique were experimentally examined. The experimental results showed that load types affected transfer functions of an actuating system, and frequency response function’s distortion, caused by nonlinearity, degraded the tracking performance of the offline iterative control technique. | 
    
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| AbstractList | Offline iterative control technique in a hydraulic testing sector is primarily used to improve the tracking control performance despite nonlinearity caused by a testing subject or hydraulic actuators. However, it is hard to find previous researches analyzing about the effect of various load types to the offline iterative control technique. The present paper demonstrated the effect of three load types to the offline iterative control technique by using experimental data. For this, the three load types in test conditions were defined. Then transfer functions of an actuating system and tracking control performance of the offline iterative control technique were experimentally examined. The experimental results showed that load types affected transfer functions of an actuating system, and frequency response function’s distortion, caused by nonlinearity, degraded the tracking performance of the offline iterative control technique. | 
    
| Author | Baek, Seung Guk Ji, Sanghoon Koo, Ja Choon  | 
    
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| Cites_doi | 10.1002/eqe.2366 10.1016/S0967-0661(02)00103-X 10.1061/(ASCE)0733-9399(1995)121:2(322) 10.1115/1.2802453 10.1049/iet-cta:20060186 10.3166/ejc.12.307-324 10.1021/ie960090+ 10.1016/j.conengprac.2004.12.013 10.1016/j.ymssp.2005.07.004 10.1007/978-1-4471-0099-7 10.1243/09596518JSCE295 10.1017/CBO9781139175241 10.1109/IWISA.2009.5073235 10.1002/eqe.2551  | 
    
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| Title | Experimental study of electro-hydraulic actuator with payload for precision motion control | 
    
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