Now showing items 1-6 of 6
An alternative architecture and control strategy for hexapod positioning systems to simplify structural design and improve accuracy
Hexapod systems (6 legged Stewart Platforms), offer advantages in accuracy over other positioning systems and are finding applications in numerous telescopes. However, instruments with increased sophistication for modern ...
Tracker controls development and control architecture for the Hobby-Eberly Telescope Wide Field Upgrade
To enable the Hobby-Eberly Telescope Wide Field Upgrade, the University of Texas Center for Electromechanics and McDonald Observatory are developing a precision tracker system – a 15,000 kg robot to position a 3,100 kg ...
Design and analysis of the tracker bridge for the Hobby-Eberly Telescope wide field upgrade
A large structural weldment has been designed to serve as the new star tracker bridge for the Wide Field Upgrade to the Hobby-Eberly Telescope at McDonald Observatory in support of the Hobby-Eberly Telescope Dark Energy ...
Design and development of a high precision, high payload telescope dual drive system
A high precision, dual drive system has been designed and developed for the Wide Field Upgrade to the Hobby-Eberly Telescope* at McDonald Observatory in support of the Hobby-Eberly Telescope Dark Energy Experiment‡. ...
Wind loading analysis and strategy for deflection reduction on HET wide field upgrade
Wind loading can be a detrimental source of vibration and deflection for any large terrestrial optical telescope. The Hobby-Eberly Telescope* (HET) in the Davis Mountains of West Texas is undergoing a Wide Field Upgrade ...
HETDEX tracker control system design and implementation
To enable the Hobby-Eberly Telescope Dark Energy Experiment, The University of Texas at Austin Center for Electromechanics and McDonald Observatory developed a precision tracker and control system – an 18,000 kg robot to ...