A feedback control system for suppressing crane oscillations with on-off motors

被引：0
|
作者：
Hekman, Keith A. [1 ]
Singhose, William E.
机构：
[1] Calvin Coll, Dept Engn, Grand Rapids, MI 49546 USA
[2] Georgia Inst Technol, George W Woodruff Sch Mech Engn, Atlanta, GA 30332 USA
来源：
INTERNATIONAL JOURNAL OF CONTROL AUTOMATION AND SYSTEMS | 2007年 / 5卷 / 03期
关键词：
crane control; non-linear feedback; on-off control; vibration suppression;
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
Crane payloads frequently swing with large amplitude motion that degrades safety and throughput. Open-loop methods have addressed this problem, but are not effective for disturbances. Closed-loop methods have also been used, but generally require the speed of the driving motors to be precisely controlled. This paper develops a feedback control method for controlling motors to cancel the measured payload oscillations by intelligently timing the ensuing on and off motor commands. The effectiveness of the oscillation suppression scheme is experimentally verified on an industrial bridge crane.
引用
收藏
页码：223 / 233
页数：11
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