Abstract

This paper is concerned with the sway control system for rotary cranes during boom hoisting operation. In the previous reports, the sway control system in lever operation was performed by developing a sway angle sensor and a sway controller, and the load sway was regulated by a feedback control due to the regulator theory. However, the feedback control for the regulator theory needs an expert knowledge for a setup of parameters. In this report, the control system setups parameters according to each operator's taste by using fuzzy set theory. It is confirmed by the experimental results that the proposed sway system shows excellent performance and gives easy operation.

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