The TIROS Isogrid Instrument Mounting Platform

R. A. Lauer; D. J. Podlesney; D. A. Aievoli

doi:10.1117/12.943814

23 October 1984 The TIROS Isogrid Instrument Mounting Platform

R. A. Lauer, D. J. Podlesney, D. A. Aievoli

Proceedings Volume 0493, Optical Platforms; (1984) https://doi.org/10.1117/12.943814
Event: The National Symposium and Workshop on Optical Platforms, 1984, Huntsville, United States

Abstract

This paper presents the technical requirements and system design approach for an optical mounting platform used on the RCA built and flown TIROS Meteorological Satellite Series. This satellite series requires precise knowledge and control of the sensing axis for the meteorological sensors to ensure accurate weather predictions. The primary structural ele-ment used to mount the sensors and satellite attitude determination and control components is a precision optical platform. This optical platform is required to support the sensors during the satellite launch and orbit environments, to minimize the thermal gradient induced misalignments, and to provide clear fields-of-view for sensor scanning and thermal control. In addition, the optical platform was designed for minimum weight, manufacturability, and flexibility for redesign (sensor complements are not always the same from one satellite to another). The TIROS platform is a unique design which meets all these requirements, while weighing 52 pounds and supporting 230 pounds of sensors, harness, and thermal control components. Testing has demonstrated that this platform has maintained co-alignment of sensors during sine and acoustic vibration. The thermal control has been demonstrated in thermal vacuum testing and during on orbit performance. This platform has flown on four space-craft and successfully met all mission requirements.

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R. A. Lauer, D. J. Podlesney, and D. A. Aievoli "The TIROS Isogrid Instrument Mounting Platform", Proc. SPIE 0493, Optical Platforms, (23 October 1984); https://doi.org/10.1117/12.943814

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KEYWORDS

Space operations

Sensors

Sun

Control systems

Aluminum

Infrared sensors

Inspection

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