The control system of portal jib cranes consists of jack, traction, circumrotating, radius-changing control cabinet, PLC control cabinet and TP-27 touch panel. 门座式起重机电控系统由起升、行走、旋转、变幅控制柜,PLC控制柜,TP27-6触摸屏等组成。
2D packing problems with constraints of acting forces& layout design of plugholes on the jack panel of spacecraft 带作用力约束的二维装填布局问题&航天器中复杂插座板上插孔的布局优化设计