High-precision scanner control system

Y. Yanagita; K. Aoki; T. Kurii

doi:10.1117/12.864676

13 October 2010 High-precision scanner control system

Y. Yanagita, K. Aoki, T. Kurii

Proceedings Volume 7826, Sensors, Systems, and Next-Generation Satellites XIV; 78261E (2010) https://doi.org/10.1117/12.864676
Event: SPIE Remote Sensing, 2010, Toulouse, France

Abstract

A high-precision whiskbroom scanner control system, which is used on earth observation satellites, is discussed. This control system is required to keep high angular precision with ultra-smooth rotation. We designed a feedback control system consisting of a rate loop for rotation-speed control and a position loop for angular control. Adding a feedforward control system using cyclic memory, 1st order rotational synchronizing disturbance caused by eccentric load has been compressed over 50 dB. As a result, high pointing accuracy with a standard deviation of 0.003 degree or less has been achieved in rotating with a constant speed of 79.4 rpm.

Citation Download Citation

Y. Yanagita, K. Aoki, and T. Kurii "High-precision scanner control system", Proc. SPIE 7826, Sensors, Systems, and Next-Generation Satellites XIV, 78261E (13 October 2010); https://doi.org/10.1117/12.864676

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available