An Experimental Investigation of Hybrid Position/Force Control for Metal Spinning Process
محل انتشار: هجدهمین کنفرانس سالانه مهندسی مکانیک
سال انتشار: 1389
نوع سند: مقاله کنفرانسی
زبان: انگلیسی
مشاهده: 1,975
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شناسه ملی سند علمی:
ISME18_264
تاریخ نمایه سازی: 1 تیر 1389
چکیده مقاله:
This study proposes a new approach for controlling metal spinning process using force and position feedbacks. Problems which usually occur during common practices of spinning can be categorized as follows: sheet metal wrinkling, fractures and springback. In order to avoid the above mentioned defects optimized tool path strategies are required. Additionally, forming forces must be under control. In this paper, basic force control strategies which have been proposed for robotics applications and adopted for spinning processes, have been thoroughly reviewed. Classicalcontrol theories such as PID controllers are integrated with the reviewed force controller strategies. In order to investigate the efficiency of the proposed control method , a test rig is designed which is composed of a manual lathe ,a geared stepper motor, a linear encoder ,a 3-axis KISTLER dynamometer , a high speed motion control card and a high resolution 16-channel data acquisition card. A spinning roller and tool post is manufactured and mounted on the lathe. Further, a supervisory program has been developed in MATLAB software which can control the process in real time. The program can also analysis and record the data.
کلیدواژه ها:
نویسندگان
B. Moetakef Imani
Associated Professor, Ferdowsi University of Mashhad
F. Sajajid
MSc Student, Ferdowsi University of Mashhad