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| Paper: |
Real Time Linux and the WTTM Project |
| Volume: |
216, Astronomical Data Analysis Software and Systems IX |
| Page: |
388 |
| Authors: |
Daly, P. N. |
| Abstract: |
The WIYN Tip-Tilt Module (WTTM) is a low-order, low-cost adaptive optics solution to improve delivered image quality within a 4 X 4 arc minute science field across the B-H bands and optimized for the V-I bands. The system is greatly simplified by the use of a quad-cell APD-based error sensor and there is no deformable mirror. The software to handle this novel module and instrument will be written under real time Linux with LabVIEW for Linux acting as a supervisory GUI and post-analysis suite. This combination is proving highly effective in other projects and should enable us to concentrate on the correction algorithms: fixed frequency, fixed signal to noise, predictive and `maximum bandwidth'. This paper examines the suitability of real time Linux for serious scientific instrumentation in hard real time with frequencies > 8kHz. |
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