Dynamic magnetic information storage or retrieval – Automatic control of a recorder mechanism – Controlling the head
Patent
1997-06-30
2000-02-08
Psitos, Aristotelis M.
Dynamic magnetic information storage or retrieval
Automatic control of a recorder mechanism
Controlling the head
360 7809, G11B 5596
Patent
active
060233907
ABSTRACT:
A control algorithm compensates for a bias force disturbance and a runout disturbance of an actuator by means of a state feedback to decrease the number of the design parameters, thereby simplifying the design process. A compensation system for the disturbances includes a state variable calculating device for receiving a discrete feedback input signal representative of an actual position of a magnetic head mounted on a front end of the actuator, so as to generate state variables; a differentiating device for differentiating the discrete feedback input signal to generate a velocity signal; and a state feedback control device for receiving the state variables, the velocity signal and the discrete feedback input signal, so as to generate a discrete control input signal to be applied to the actuator.
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Bushnell Esq. Robert E.
Psitos Aristotelis M.
Samsung Electronics Co,. Ltd.
Vann Joseph M
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