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Design and development of a long-travel positioning actuator and tandem constant force actuator safety system for the Hobby Eberly Telescope Wide Field Upgrade
The Wide Field Upgrade presents a five-fold increase in mass for the Hobby-Eberly Telescope's* tracker system. The design of the Hobby-Eberly Telescope places the Prime Focus Instrument Package (PFIP) at a thirty-five ...
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‡. ...
Testing, characterization, and control of a multi-axis high precision drive system for the Hobby-Eberle Telescope Wide Field Upgrade
A multi-axis, high precision drive system has been designed and developed for the Wide Field Upgrade to the Hobby-Eberly Telescope at McDonald Observatory. Design, performance and controls details will be of interest to ...
Current status of the Hobby-Eberly Telescope wide field upgrade
The Hobby-Eberly Telescope (HET) is an innovative large telescope of 9.2 meter aperture, located in West Texas at the McDonald Observatory (MDO). The HET operates with a fixed segmented prima1y and has a tracker which moves ...