タケダ　マサカズ   Masakazu Takeda   武田　真和    所属   追手門学院大学  理工学部 機械工学科    職種   講師
発表年月日	2020/08/25
発表テーマ	天井クレーンを用いた懸垂柔軟体の振動挙動解析
会議名	Dynamics & Design Conference
主催者	一般社団法人 日本機械学会
発表形式	その他
開催期間	2020/08/25～2020/08/25
発表者・共同発表者	上原 将騎,菅原 佳城,武田 真和
概要	In helical type fusion reactor, a spiral coil is used for the internal structure, which results in very severe structural constraints and is a major obstacle to the maintenance systems. Due to structural restrictions, it is necessary to perform replacement work using an overhead crane while control vibration and interference with other parts. Furthermore, the payload has thin plate structure, then the deterioration of control performance is expected due to the influence of shape and flexibility. Therefore, the influence of the deterioration should be evaluated for efficient maintenance operation. This research deals with a feed-forward recoil control method that is constrained to the target trajectory by combining feedforward and nonlinear optimization calculation. The control method is applied to the two-dimensional payload with two-point suspension, the influence of the control when the payload is flexible body is confirmed, and the control system is examined. Since the rope length changes with time, the two-point suspended overhead crane model is represented by a linear time-varying system. The input shaping method, which is a feed-forward type compensator, is used for vibration control. Optimization calculation is performed to obtain the rope length profile that follows the target trajectory. The validity of the proposed method by numerical analysis was confirmed and the proposed method, was evaluated when applied to flexible body suspended matter.
researchmap用URL	https://www.jstage.jst.go.jp/article/jsmedmc/2020/0/2020_516/_pdf