... operation thereby resulting in a complex control strategy that could be used to improve the robustness of the stamp forming processes. 24 04 2011 05 10 2011 27 12 2011 27 12 2011 bang-bang control blanking closed loop systems drawing (mechanical) force control fuzzy control...

...Jianming Zhan; Sihai Yu According to the all-pervading theory, the best strategy for multiaxis compliant control system is the famous hybrid movement/force control. Until now, the typical way to get it inclines to integrate force control with movement control into one numerical control (NC...

... into the work piece and traversed along the weld seam. Force control is required if robots are to be used. Force control provides compensation for the compliant nature of robots. Without force control, welding flaws would continuously emerge as the robot repositioned its linkages to traverse the tool along...

... tracking performance of the adaptive extrusion force controller. Several parts were fabricated with the adaptive extrusion force controller. These results illustrate the need for extrusion force control and that variable reference extrusion force profiles are required to fabricate complex features...

...Xin Zhao; Prabhanjana Kalya; Robert G. Landers; K. Krishnamurthy In friction stir welding (FSW) processes, force control can be used to achieve good welding quality. This paper presents the systematic design and implementation of FSW force controllers. The axial and path forces are modeled...

...Chengying Xu; Yung C. Shin A novel multilevel fuzzy control system is introduced and implemented for online force control of end-milling processes to increase machining productivity and improve workpiece quality, where the cutting force is maintained at its maximum allowable level in the presence...

.... Then the web transport process simulator and its controller are developed. Accurate tension force control is needed to produce high quality web formed materials. The process controller uses the loadcell as a tension measuring device and closed-loop control is used for tension force regulation. The response...

..., an accurate force control is required. The force control module, which is referred to as delayed reference control (DRC) belongs to the category of nontime based controllers. According to the DRC theory, the desired input reference x d is a function of time and a variable, which plays the role of a time delay...

...Sung I. Kim; Robert G. Landers; A. Galip Ulsoy Force control is an effective means of improving the quality and productivity of machining operations. Metal cutting force models are difficult to accurately generate and, thus, there is large uncertainty in the model parameters. This has lead...

.... 01 August 2002 01 February 2003 23 07 2003 automobile industry welding force control finite element analysis Tailor-welded blanks (TWB) were introduced to the automotive industry in the early 1980’s. A TWB is comprised of two or more base metal sheets that have been...

...Lienjing Chen, Research Manager; Robert J. Stango, Associate Professor; Vikram Cariapa, Associate Professor In this paper a force-control model is developed for edge deburring with filamentary brushes. The model is based upon experimentally obtained “master curves,” that is, material removal data...