Single Cylinder And Pinning Telescoping System RCP Based On DSPACE

In the field of wheel-cranes, telescoping control technique with single cylinderand pinning has broken the traditional idea of “Line-telescoping”, all the telescopingarms use a same cylinder for stretching and contracting. With this kind of technique,the structure of the telescoping arms is greatly simplified and its weight isprominently reduced as well. A revolution is on the way. The telescoping controltechnique successfully combines many advanced and newest techniques of otherfields, it is a beautiful art based on hydraulic, electronics sense, CAN and computerprogramming technique. With the great help of large numbers of sensors, alltelescoping parts can cooperate with each other better and fit different requirements ofdifferent works well, which makes the telescoping process become safer and moreeffective.In this paper, large-tonnage wheel-crane is taken as the research object. Firstly,telescoping process of telescoping structure is researched, and both of the workingtheory of hydraulic part and function theory of control part are discussed. Secondly,MatLAB and Simulink software are used for off-line simulation in order to edit andoptimize the telescoping process. Thirdly, dSPACE shows its strong ability to connectboth software and hardware which can provide a live test. At last, after the abovesteps, an RCP (Rapid Control Prototype) used for real cranes, which is of telescopingsystem with single cylinder and pinning based on dSPACE, is finally received, andsome optimizations are made based on the original model as well. This RCP is provedeffective, and it can be a reference to further difficult research.