Thruster Imaging Analysis for Control of a Solar Concentrator

This paper discusses results of image processing of solar thruster images for use in controlling a solar concentrator. Video capture images of an SRS solar thruster are analyzed to determine focal spot parameters and the best method of determining placement of the solar focal spot to provide maximum...

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Bibliographische Detailangaben
1. Verfasser:	Beasley, Joe
Format:	Report
Sprache:	eng
Schlagworte:	CONCENTRATION(COMPOSITION) Cybernetics DIGITAL SYSTEMS DISTORTION DISTRIBUTION DSP(DIGITAL SIGNAL PROCESSING) Electric Power Production and Distribution IMAGE PROCESSING Jet and Gas Turbine Engines PARAMETERS POSITION(LOCATION) SCATTERING SHADOWS SIGNAL PROCESSING SOLAR COLLECTORS SOLAR CONCENTRATOR SOLAR ENERGY SPECULAR REFLECTION STP(SOLAR THERMAL PROPULSION) THRUSTERS TRANSFER VIDEO SIGNALS WUAFRL10110062
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Beschreibung
Zusammenfassung:	This paper discusses results of image processing of solar thruster images for use in controlling a solar concentrator. Video capture images of an SRS solar thruster are analyzed to determine focal spot parameters and the best method of determining placement of the solar focal spot to provide maximum power transfer to the thruster. Since the intensity of the light is distorted by shadows and specular reflection, location of the focal spot is non-trivial with absorber information obscured in the specular reflection, that focal spot information needs to be de-convolved using Digital Signal Processing (DSP) from the scattering distribution of the thruster absorber. The paper discusses characterizing the specular reflection of the thruster secondary concentrator and discusses its effect on the determination of focal spot location.