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Vol. 172, Issue 6, June 2014, pp. 254-262

 

Bullet

 

An Input Shaping Method Based on System Output
 

1, 3 Zhiqiang ZHU, 1, 2, 3 Kun LIU, 3 Yuqing HE, 3 Jianda HAN

1 University of Chinese Academy of Sciences, Beijing, 100049, China
2 PLA No.93115 Shenyang 110031, China
3 Shenyang Institute of Automation, CAS, Shenyang, 110016, China
1 Tel.: 024-23970213, fax: 024-23970213

1 E-mail: zhuzhiqiang@sia.cn

 

Received: 11 April 2014 /Accepted: 30 May 2014 /Published: 30 June 2014

Digital Sensors and Sensor Sysstems

 

Abstract: In this paper, an input shaping method is proposed. This method only requires the system output, and doesn't need the system model information. In the application of this method, the basic form of an input shaping filter is first decided, then according to the form of the filter, the system output is decomposed into several weighted signals. Based on the decomposition, the least square method is applied to minimize the difference between the actual system output and the reference system output. In this way, the vibration in the system output is eliminated and the desired bandwidth of the whole system can be fulfilled.

 

Keywords: Input shaping, Vibration, Pre-filter, System output, Least square method.

 

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