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수직 다관절 로봇의 동적 특성을 고려한 Gain Tuning 연구
김효곤(W. J. Chung),정원지(H. G. Kim),김기정(K. J. Kim),김규탁(K. T. Kim),서영교(Y. G. Seo),이기상(K. S.Lee) 한국정밀공학회 2005 한국정밀공학회 학술발표대회 논문집 Vol.2005 No.10월
This research studied 6-Axes Articulated Robot Manipulator’s gain Tuning in consideration of dynamic. First of all, search for proportional gain of velocity control loop by dynamic signal analyzer. Proportional gain of velocity control loop is connected to dynamic signal analyzer. Next Select free Proportional Gain value. And Select amplitude X of sinusoidal properly so that enough Velocity Feedback Signal may be paid as there is no group to utensil department. Next step, We can get Bode Diagram of Closed loop transfer function response examination in interested frequency. Integral calculus for gain of velocity loop is depended on integral calculus correction"s number. We can obtain open loop transfer function by integrator. And we can know bode diagram`s special quality from calculated open loop transfer function. With this, Velocity Control Loop"s Parameter as inner loop is controlled. Next in moving, when vibration occurs, it controls notch filter.And finally, we have to control feed-forward filter parameter for elevation of control performance.
유전자 알고리즘에 의한 전동 유압 CAB TILTING SYSTEM의 최적설계에 관한 연구
김수태,김진한,정상원,김규탁,이호길 한국공작기계학회 2004 한국공작기계학회 추계학술대회논문집 Vol.2004 No.-
Generally, the commercial truck has the hydraulic cab tilting system which absorb the vibrations and impacts of the cab. The cab tilting system is equipped for the maintenance and inspection of truck. And it is very important to help user's feeling of driving and convenience. But when the truck cab is tilted, existing model has serious problem of vibration. To satisfy customer's requirements for convenience, it is necessary to improve the hydraulic truck cab tilting system. In this study, the optimization of cab tilting system is carried out by using the G.A to reduce the vibration. The results show that the vibration is reduced and the mean velocity of tilting is improved. In conclusion the improved cab tilting system can be designed and the possibility of optimal design for cab tilting system by using the GA is testified.