Sub-arm Vertical strok 副臂上下行程
Sub-arm Crosswise strok 副臂引拔行程
SUB ASSY - SHIFT ARM 摇臂分总成
SUB ASSY - SELECT ARM 选档摇臂分总成
Portal crane sub frame and four-link arm two types, from the crane hoisting, luffing, slewing and walking four agencies ac frequency control, the machine USES PLC control, superior performance.
门座式起重机分单臂架和四连杆两种类型，起重机的起升、变幅、回转和行走四大机构均采用交流变频调速，整机采用PLC控制，使用性能优越。
This flexible arm control is rests on the flexible arm dynamics model, with the strange perturbation theory, it is diveded into two sub-systems (slow, quick change).
该柔性臂的控制是依据柔性臂的动力学模型，应用奇异摄动理论，将其分解为慢、快变两个子系统。
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