네트웍 환경에서의 강건상태추정을 이용한 원격조작시스템 제어

국문 초록 (Abstract)

본 논문에서는 원격 제어 시스템에 있어 조작자와 기계사이의 시각적 또는 근육지각운동의 연결에 있어서 조작자의 안정된 작업환경을 확보하기 위해 가상 모델을 이용하고, 또한 가변 시간 지연의 추정 및 예측 기법을 적용함으로써 원격조작의 실현성을 향상시키기 위한 방법을 제시하고 있다. 원격제어시스템에서의 실현성 향상을 위해 가상 모델을 설계하고, 가상의 모델이 원격의 로봇과 시간적으로 동일한 움직임을 할 수 있도록 구성함으로서 조작자는 원격의 로봇을 가상의 모델을 통해 조작할 수 있도록 시스템을 구성하였다. 시뮬레이션과 실험을 통하여 원격조작으로 가상의 모델을 제어함으로써 원격의 로봇을 제어하고, 가상의 모델을 통해 원격의 로봇의 실시긴 제어에 가능성을 제시하였다.

다국어 초록 (Multilingual Abstract)

In this paper, we introduce the improved control method are communicated between a master and a slave robot in the teleoperation systems. When the master and slave robots are located in different places, time delay is unavoidable under the network environment and it is well known that the system can become unstable when even a small time delay exists in the communication channel. The time delay may cause instability in teleoperation systems especially if those systems include haptic feedback.
This paper presents a control scheme based on the estimator with virtual master model in teleoperation systems over the network. As the behavior of virtual model is tracking the one of master model, the operator can control real master robot by manipulating the virtual robot. And LQG/LTR scheme was adopted for the compensation of un-modeled dynamics. The approach is based on virtual master model, which has been implemented on a robot over the network. Its performance is verified by the computer simulation and the experiment.

목차 (Table of Contents)

• 요약
• Abstract
• 1. 서론
• 2. 시스템 구성
• 3. 가상모델 및 제어기 설계
• 4. 실험
• 5. 결론
• 참고문헌
• 저자소개

참고문헌 (Reference)

1 C. Preuscher, "Teleoperation Concepts in Minimal Invasive Surgery" 10 : 1245-1250, 2002

2 G. Niemeyer, "Stable Adaptive Teleoperation" 16 (16): 152-162, 1991

3 T.B. Sheridan, "Space Teleoperation Through Time Delay: Review and Prognosis" 9 (9): 592-606, 1993

4 Neal A. Tanner, "Practical Limitations of Wave Variable Controllers in Teleoperation" 25-30, 2004

5 Sira-Ramrez H, "On the Robust Design of Sliding Obervers for Linear Systems" 23 : 9-14, 1994

6 K.Ogata, "Ingenier a de Control Moderna 3rd. edition" Prentice Hall 1998

7 W. S. Kim, "Force-reflection and Shared Compliant Control in Operating Telemanipulators with time Delay" 8 (8): 176-185, 1992

8 W. S. Kim, "Force Reflection and Shared Compliant Control in Operating Tele-manipulators with Time Delay" 8 (8): 176-185, 1992

9 P. Arcara, "Control Schemes for Teleoperation with Time Delay: A Comparative Study" 38 : 49-64, 2002

10 R. J. Anderson, "Bilatral Control of Teleoperators with time delay" 34 (34): 494-501, 1989

11 Y. Yokokohji, "Bilateral Control of Master-Slave Manipulators for Ideal Kinesthetic Coupling Formulation and Experiment" 10 (10): 605-620, 1994

12 T. Yoshikawa, "Analysis and Control of Master Slave Systems with Time Delay" 1366-1373, 1996

13 S.S.Haykin, "Active Network Theory" Addison Wesley 1970

14 Y. Strassberg, "A New Control Scheme for Bilateral Teleoperating Systems:Performance Evaluation and Comparison" (2) : 865-872, 1992