Design of a high precision differential altitude sensor (Statoskop) |
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| Institution: | 1. Delft University of Technology, Faculty of Applied Sciences, Department of Radiation Science and Technology, Mekelweg 15, 2629 JB Delft, Netherlands;2. Inorganic and Physical Chemistry Research Group, Faculty of Mathematics and Natural Sciences, Institut Teknologi Bandung, Jl. Ganesha 10, Bandung 40132, Indonesia;3. Łukasiewicz Research Network—PORT Polish Center for Technology Development, Stabłowicka 147, 54-066 Wrocław, Poland;4. Holland Proton Therapy Center (HollandPTC), Huismansingel 4, 2629 JH Delft, the Netherlands;1. Lawrence Livermore National Laboratory, Livermore, CA, United States;2. Eljen Technology, Sweetwater, TX, United States;1. Scintillation Materials Research Center, University of Tennessee, Knoxville, Knoxville, TN 37996, USA;2. Department of Materials Science and Engineering, University of Tennessee, Knoxville, Knoxville, TN 37996, USA;3. Department of Nuclear Engineering, University of Tennessee, Knoxville, Knoxville, TN 37996, USA;4. Radiation Monitoring Devices, 44 Hunt Street, Watertown, MA 02472, USA |
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| Abstract: | In some areas of flight measurement technology extremely accurate altitude information is necessary (e.g. airborne gravimetry). Not only the absolute accuracy is of significance but a high resolution is demanded. In principal, an increase in the resolution can be reached by reducing the sensor measuring range. The Institute of Flight Guidance and Control has dsigned an instrument based on this method. It works with a barometric principle and is called Statoskop. The basic element is a differential pressure transducer measuring the pressure difference between the static pressure of the atmosphere and a (more or less) fixed pressure inside a reference volume. A high resolution altitude difference can be obtained from this pressure difference. The most significant error is a temperature change inside the reference volume which is corrected. Other errors are also taken into account, such as the influence of the atmosphere. |
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