Seeking control of hard disk drive by perfect tracking using multirate sampling control
H Fujimoto, Y Hori, S Nakagawa… - IEEJ Transactions on …, 2000 - jstage.jst.go.jp
In this paper, novel multirate two-degree-of-freedom controllers are proposed for digital
control systems, where it is restricted that the speed of the A/D converters are slower than …
control systems, where it is restricted that the speed of the A/D converters are slower than …
Application of disturbance observer for head positioning control system of disk drives
Y HAMADA, H OTSUKI, S SAITO… - Transactions of the …, 1994 - jstage.jst.go.jp
We confirmed that the head positioning control system using disturbance observer can
reduce tracking error caused by vibration through experiments. Still more, we confirmed that …
reduce tracking error caused by vibration through experiments. Still more, we confirmed that …
Design of H∞ Controllers for Plants Having Poles on the jω Axis H∞ Motion Control
T Mita, M Hirata, VB SB - IEEJ Transactions on Industry Applications, 1995 - jstage.jst.go.jp
抄録 When a given plant has poles on the jω axis in the two block mixed sensitivity problem
setting, they become the zeros of G 12 or G 21 in the generalized plant, and the H∞ control …
setting, they become the zeros of G 12 or G 21 in the generalized plant, and the H∞ control …
Following control of a hard disk drive using sampled-data h∞ control theory
抄録 In the head positioning control of hard disk drives, the information of the head position
is embedded radially on the magnetic disk that eliminates the capacity of the hard disk drive …
is embedded radially on the magnetic disk that eliminates the capacity of the hard disk drive …
A Design method for Two-Degree-of-Freedom Controller using the Dynamical Model of the Feedback Controller
M Hirata, L KZ, T Mita - IEEJ Transactions on Industry Applications, 1995 - jstage.jst.go.jp
A Design method for Two-Degree-of-Freedom Controller using the Dynamical Model of the
Feedback Controller Mitsuo Hirata, Student Member, KZ Liu, Member,(Chiba University) …
Feedback Controller Mitsuo Hirata, Student Member, KZ Liu, Member,(Chiba University) …
Design of H∞ servo compensator for a cart and inverted flexible pendulum system
H NISHIMURA, O ONUKI, K NONAMI… - Transactions of the …, 1996 - jstage.jst.go.jp
In this paper, for stabilizing and positioning control of a cart and inverted flexible pendulum
system we formulate H•‡ servo compensator where displacement signals are used as the …
system we formulate H•‡ servo compensator where displacement signals are used as the …
Position control of a hard disk drive with a neuro-PID controller
T Fujinaka, S Shimizu, M Yoshioka… - IEEJ Transactions on …, 2001 - jstage.jst.go.jp
A neuro-PID control is applied to the position control of a hard disk drive. The PID gains are
tuned using a neural network in such a way that the tracking error is reduced while avoiding …
tuned using a neural network in such a way that the tracking error is reduced while avoiding …
Ultra-High Speed Positioning Control of a Piezoelectirc Actuator by Using Discrete-Time Two-Degree-of-Freedom H∞ Control
M Hirata, D Tang, K Nonami, H Ogawa… - IEEJ Transactions on …, 2001 - jstage.jst.go.jp
In this paper, we develop a new control design method to achieve the both of high-speed
and high-precision response for piezoelectric actuator by using the discrete-time H,,, control …
and high-precision response for piezoelectric actuator by using the discrete-time H,,, control …
A Design Method of Compensation Law for Linear Constrained Systems
N HARA, A KOJIMA - Transactions of the Society of Instrument and …, 2005 - jstage.jst.go.jp
This paper deals with a design method of compensation law for linear constrained systems.
By employing singular value decomposition of linear systems, we provide a design method …
By employing singular value decomposition of linear systems, we provide a design method …
A Design Method of Robust Model Matching Control for Continuoun-Time Systems in the Presence of Unmodeled Dynamics
J LU, N MASUDA, T YAHAGI - IEEJ Transactions on Electronics …, 1998 - jstage.jst.go.jp
This paper presents a method for robust model matching control for linear continuou-time
sys tems in the presence of unmodeled dynamics. This scheme can robustly control the …
sys tems in the presence of unmodeled dynamics. This scheme can robustly control the …