نتایج جستجو برای: servo mechanism

تعداد نتایج: 569933  

2006
FRANÇOIS CHAUMETTE

This article is the first of a two-part series on the topic of visual servo control—using computer vision data in the servo loop to control the motion of a robot. In the present article, we describe the basic techniques that are by now well established in the field. We first give a general overview of the formulation of the visual servo control problem. We then describe the two archetypal visua...

2013
Ju Tian

Since extraneous torque is the key factor to affect the accuracy of electro-hydraulic servo loading system, the forming mechanism of extraneous torque was discussed in this work. And then several design methods of loading system controller based on modern control theory were introduced, such as internal model control, Cerebella model articulation control and adaptive backstepping control.

2013
Somasundar Kannan Miguel A. Olivares-Mendez Holger Voos

Modeling and control of a Quadrotor with robotic arm which uses vision sensor is discussed. A quadrotor model coupled with a two link manipulator is first developed and then the integrated control mechanism is investigated. An Image Based Visual Servo system is introduced and then used with the aerial manipulator to successfully perform specific tasks of positioning and stabilization during man...

Journal: :TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series C 2007

2006

This article is the first of a two-part series on the topic of visual servo control—using computer vision data in the servo loop to control the motion of a robot. In the present article, we describe the basic techniques that are by now well established in the field. We first give a general overview of the formulation of the visual servo control problem. We then describe the two archetypal visua...

2011
Mao-Hsiung Chiang Hao-Ting Lin

This study aimed to develop a novel 3D parallel mechanism robot driven by three vertical-axial pneumatic actuators with a stereo vision system for path tracking control. The mechanical system and the control system are the primary novel parts for developing a 3D parallel mechanism robot. In the mechanical system, a 3D parallel mechanism robot contains three serial chains, a fixed base, a movabl...

2003
J. Wang T. H. Lee

Friction exists in all machines having relative motion, and plays an important role in many servo mechanisms and simple pneumatic or hydraulic systems. In order to achieve high precision motion control, accurate friction modeling and effective compensation techniques have to be investigated. In this chapter, we shall present a systematic treatment of adaptive friction compensation techniques fr...

2014
P. S. Puttaswamy Kashyap Dhruve Sang-Min Kim Sung-Joong Kim Chang-Goo Lee Pyoung-Ho kim Sa-Hyun sin Hyung-Lae baek Geum-Bae Cho S. N. Sivanandam S. N. Deepa K. J. Hunt D. Sbarbaro R. Zbikowski P. J. Gawthrop Ozgur Kisi Erdal Uncuoglu

AC servo systems are extensively used in robotic actuators and are competing with DC servo motors for motion control because of their favorable electrical and mechanical properties. Efficient control schemes for servo motors are required to ensure performance in presence of system parameter variations. Neural networks have emerged as a suitable tool for control applications especially under sit...

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