7th International Workshop on Advanced Motion Control. Proceedings (Cat. No.02TH8623)

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Repetitive controller design for track-following servo system of an optical disk drive
7th International Workshop on Advanced Motion Control. Proceedings (Cat. No.02TH8623) - - Trang 176-181
Tae-Yong Doh, Jung Rae Ryoo, Myung Jin Chung
In the track-following servo system of an optical disk drive, external disturbances with significant periodic components cause tracking errors of a periodic nature. To effectively reject such disturbances, repetitive control has been employed. However, plant uncertainty makes it difficult to design a repetitive controller which both ensures system stability and improves tracking accuracy. In this ...... hiện toàn bộ
#Optical control #Control systems #Optical design #Servomechanisms #Disk drives #Optical attenuators #Uncertainty #Stability #Optical devices #Sufficient conditions
Limitations in control of elastic servos with co-located sensors
7th International Workshop on Advanced Motion Control. Proceedings (Cat. No.02TH8623) - - Trang 92-97
G. Ferretti, G. Magnani, P. Rocco
Performance limitations of elastic servomechanisms where only the motor position is measured emerge considering also the load position behavior. Limitations inherent to PID control, the most common solution in commercial products are dealt with first. The authors explicitly relate a bound of the H/sub /spl infin// norm of the motor position setpoint to load position transfer function to the motor ...... hiện toàn bộ
#Servomechanisms #Servomotors #Three-term control #Torque control #Bandwidth #Transfer functions #Frequency #Friction #Open loop systems #Poles and zeros
A new approach for flux and speed estimation in induction motor
7th International Workshop on Advanced Motion Control. Proceedings (Cat. No.02TH8623) - - Trang 148-152
M. Dal, A. Sabanovic
A structure of the induction machine flux and speed observer is proposed. The observer is designed in the stationary frame of references to avoid errors affiliated with the coordinate transformations. In order to ensure the convergence in any operational conditions a nonlinear additional term is added to the observer structure. Full stability analysis based on the Lyapunov stability method is deri...... hiện toàn bộ
#Induction motors #Stators #Sliding mode control #Rotors #Current measurement #Induction machines #Control systems #Circuits #Robust stability #Voltage
High speed robust visual servoing based on intersample estimation and multirate control
7th International Workshop on Advanced Motion Control. Proceedings (Cat. No.02TH8623) - - Trang 104-109
H. Fujimoto, Y. Hori
This paper presents a visual servoing system based on intersample estimation and disturbance rejection. First, a novel design method of a multirate sampling controller is proposed which enables to reject disturbance completely at M intersample points in the steady state. Second, the intersample observer is developed in order to reduce the phase delay caused by zero-order hold and to increase the s...... hiện toàn bộ
#Robust control #Visual servoing #Open loop systems #Robust stability #Nonlinear control systems #Control systems #Design methodology #Sampling methods #Steady-state #Observers
3D object tracking on active stereo vision robot
7th International Workshop on Advanced Motion Control. Proceedings (Cat. No.02TH8623) - - Trang 567-572
M. Shibata, T. Honma
The paper describes a control method for visual tracking on the active stereo vision robot. The robot in unique structure has three joints; one is for base rotation and the others for each camera rotation, i.e. neck and eyes. As the system has a redundancy in the meaning of degrees-of-freedom, the novel control approach is introduced and the high performance of the tracking is achieved. The contro...... hiện toàn bộ
#Stereo vision #Robot vision systems #Motion control #Cameras #Neck #Eyes #Control systems #Target tracking #Impedance #Delay effects
Điều khiển thích ứng gián tiếp của phương tiện hai bánh bằng bộ điều khiển biểu tượng Dịch bởi AI
7th International Workshop on Advanced Motion Control. Proceedings (Cat. No.02TH8623) - - Trang 514-519
E. Konaka, T. Suzuki, S. Okuma
Hệ thống động lực học lai (HDS), bao gồm cả ký hiệu logic rời rạc và tín hiệu liên tục, đang thu hút được sự chú ý lớn trong lĩnh vực điều khiển hệ thống. Trong bài báo này, chúng tôi xử lý vấn đề điều khiển trong đó thực vật liên tục được điều khiển bởi bộ điều khiển dựa trên logic rời rạc, trong khi các yêu cầu điều khiển được quy định cho các biến liên tục. Một chiến lược điều khiển thích ứng g...... hiện toàn bộ
#Điều khiển thích ứng #Phương tiện #Hệ thống điều khiển #Điều khiển lập trình #Điều khiển biến điện #Bộ truyền động #Khả năng điều khiển #Ước lượng trạng thái #Độ ổn định #Tự động hóa
A design method of quasi-optimum control system structure and its parameters using combined controller and performance comparison for controller structure
7th International Workshop on Advanced Motion Control. Proceedings (Cat. No.02TH8623) - - Trang 203-208
S. Komada, R. Sugimoto, T. Hori
PID controller, disturbance observer, and so on have been applied to control of servo systems. However, it is difficult to know which controller is the best for given control object and specifications. If we want to realize a best performance among many controllers, we have to design each controller independently. In this paper, we derive a combined controller that is based on the disturbance obse...... hiện toàn bộ
#Control systems #Design methodology #Three-term control #Robust stability #Servomechanisms #Drives #Attenuation #Control system synthesis #Vectors #Noise robustness
H/sub /spl infin// robust performance design of linear permanent magnet synchronous servo motor
7th International Workshop on Advanced Motion Control. Proceedings (Cat. No.02TH8623) - - Trang 371-375
Cai Zhiyuan, Guo Qingding
This paper presents a high accuracy robust position controller for linear permanent magnet synchronous servo motor in which, the H/sub /spl infin// control theory is applied to design a feedback controller so as to guarantee the robust stability and performance of the closed-loop system. Linear feedback control theory is applied to make up the position feedback loop being gradually stable. An IP c...... hiện toàn bộ
#Control systems #Robust control #Robust stability #Linear feedback control systems #Servomechanisms #Permanent magnet motors #Synchronous motors #Servomotors #Control theory #Adaptive control
Trajectory planning and environment recognition for unknown environment
7th International Workshop on Advanced Motion Control. Proceedings (Cat. No.02TH8623) - - Trang 578-582
A. Kato, T. Murakami, K. Ohnishi
This paper deals with robots which can move in an unknown environment. Convenient robots can only move and work in a structured environment. This paper proposes a novel method. In the proposed method, the robot recognizes the unknown environment using a camera. Based on the visual information, robots construct a 3-D map to move and work in an unknown environment. The trajectory planning, communica...... hiện toàn bộ
#Trajectory #Robot vision systems #Cameras #Robot sensing systems #Orbital robotics #Buildings #Humans #Motion control #Motion planning #Image processing
Loss-function optimal control of the positioning servomotors with static torque proportional to the speed
7th International Workshop on Advanced Motion Control. Proceedings (Cat. No.02TH8623) - - Trang 232-235
G. Manolea
The maximum efficiency use of industrial purpose equipment is an actual concern imposed by the necessity of increasing the productivity of all the equipment and reducing the energy consumption. Taking into account this trend, in the present paper, the authors try to determine the optimal control law of the positioning an open-loop servo system with static torque proportional to the speed so that t...... hiện toàn bộ
#Optimal control #Servomotors #Torque #Equations #Servomechanisms #Energy loss #Voltage #Electrical equipment industry #Productivity #Energy consumption
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