Irdis: A Digital Scene Storage And Processing System For Hardware-In-The-Loop Missile Testing

Michael F. Sedlar; Jerry A. Griffith

doi:10.1117/12.947140

14 July 1988 Irdis: A Digital Scene Storage And Processing System For Hardware-In-The-Loop Missile Testing

Michael F. Sedlar, Jerry A. Griffith

Proceedings Volume 0940, Infrared Scene Simulation: Systems, Requirements, Calibration, Devices, and Modeling; (1988) https://doi.org/10.1117/12.947140
Event: 1988 Technical Symposium on Optics, Electro-Optics, and Sensors, 1988, Orlando, FL, United States

Abstract

This paper describes the implementation of a Seeker Evaluation and Test Simulation (SETS) Facility at Eglin Air Force Base. This facility will be used to evaluate imaging infrared (IIR) guided weapon systems by performing various types of laboratory tests. One such test is termed Hardware-in-the-Loop (HIL) simulation (Figure 1) in which the actual flight of a weapon system is simulated as closely as possible in the laboratory. As shown in the figure, there are four major elements in the HIL test environment; the weapon/sensor combination, an aerodynamic simulator, an imagery controller, and an infrared imagery system. The paper concentrates on the approaches and methodologies used in the imagery controller and infrared imaging system elements for generating scene information. For procurement purposes, these two elements have been combined into an Infrared Digital Injection System (IRDIS) which provides scene storage, processing, and output interface to drive a radiometric display device or to directly inject digital video into the weapon system (bypassing the sensor). The paper describes in detail how standard and custom image processing functions have been combined with off-the-shelf mass storage and computing devices to produce a system which provides high sample rates (greater than 90 Hz), a large terrain database, high weapon rates of change, and multiple independent targets. A photo based approach has been used to maximize terrain and target fidelity, thus providing a rich and complex scene for weapon/tracker evaluation.

Citation Download Citation

Michael F. Sedlar and Jerry A. Griffith "Irdis: A Digital Scene Storage And Processing System For Hardware-In-The-Loop Missile Testing", Proc. SPIE 0940, Infrared Scene Simulation: Systems, Requirements, Calibration, Devices, and Modeling, (14 July 1988); https://doi.org/10.1117/12.947140

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KEYWORDS

Databases

Missiles

Weapons

Image processing

Infrared imaging

Infrared radiation

Video

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