A Feedback Control System For Suppressing Crane Oscillations With On-Off Motors

Mohammad Shah Izham, Abdull (2008) A Feedback Control System For Suppressing Crane Oscillations With On-Off Motors. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

Crane payloads frequently swing with large amplitude motion that will degrade safety and throughput. Open-loop methods have addressed this problem, but are not effective for disturbances. Closed-loop methods are also been used, but generally require the speed of the driving motors to be precisely controlled. In this project, a feedback control methods have been used for controlling motors to cancel the measured payload oscillations by intelligently timing the ensuing on and off motor commands. Generate commands for on-off motor is based on using measurement of payload swing to cancel the swing angle. This system is designed to control the swing angle and as well as the trolley position.

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