HUNTSVILLE, AL, United States

Simulation Technologies, Inc.

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HUNTSVILLE, AL, United States

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Gareri J.P.,Simulation Technologies, Inc. | Ballard G.H.,U.S. Army | Morris J.W.,U.S. Army | Bunfield D.,Aegis USA | Saylor D.,Optical Sciences Corporation
Proceedings of SPIE - The International Society for Optical Engineering | Year: 2012

State-of-the-art hardware-in-the-loop (HWIL) test facilities have been established and in operation at the U.S. Army's Aviation and Missile Research, Development, and Engineering Center (AMRDEC) in McMorrow Laboratories, on Redstone Arsenal Alabama for over 37 years. These facilities have been successfully developed and employed supporting numerous tactical and interceptor missile systems. The AMRDEC HWIL facilities are constantly in a state state of modification and revision supporting evolving test requirements related to increasingly complex sensor suites, guidance implementations, and employment strategies prevalent within both existing and emerging aviation and missile programs. This paper surveys the role of the U.S. Army Aviation and Missile Research, Development, and Engineering Center (AMRDEC) in the development and operation of HWIL test facilities and the implementation of new, innovative technologies that have been integrated within facility test assets. This technology spans both the Near IR (NIR- 1.064um) and IR (3 - 12um) and RF (2 - 95 GHz) operating ranges. The AMRDEC HWIL facilities represent the highest degree of simulation fidelity, integrating all the major parts of a HWIL simulation including tactical missile and seeker hardware, executive control software, scene generation, and NIR, IR or RF scene projection systems. Successful incorporation of scene generation and projection technologies have become a key thrust of the AMRDEC HWIL development focus, with the intention to adapt and anticipate emerging test element requirements necessitated by future system sensing technologies. © 2012 Copyright Society of Photo-Optical Instrumentation Engineers (SPIE).


Loyd J.S.,Simulation Technologies, Inc. | Gregory D.A.,University of Alabama in Huntsville
Microscopy | Year: 2016

A hybrid approach is presented for obtaining electric potentials for use in electron optics modeling. An initial solution from the boundary element method (BEM) is used to derive the bounding potential of a cylindrical subdomain subsequently used in a Fourier series solution. The approach combines the inherent precision of this analytic solution with the flexibility of BEM to describe practical, non-idealized systems of electrodes. The resulting lens field in the Fourier series subdomain is of higher precision, thereby allowing smaller errors in subsequent calculations of electron ray paths. The effects of aberrations are thus easier to observe in tracing non-paraxial rays. Example ray-traces through a simple, known einzel lens are given as validation of this approach. © The Author 2016.


Ray J.A.,HWIL Simulations | Barr D.,Simulation Technologies, Inc.
Proceedings of SPIE - The International Society for Optical Engineering | Year: 2010

The U.S. Army Research, Development and Engineering Command (AMRDEC) and Redstone Test Center (RTC) at Redstone Arsenal, Alabama have developed a Ka band, range instrumentation synthetic aperture radar (RISAR) for the purpose of millimeter wave (MMW) target and scene characterization. RISAR was developed as one element of the Advanced Multi-Spectral Sensor and Subsystem Test Capabilities (AMSSTC) program funded and managed by the U.S. Army Program Executive Office for Simulation, Training and Instrumentation (PEO STRI), Project Manager for Instrumentation, Targets and Threat Simulators (PM ITTS). The key objective of RISAR is the collection of MMW SAR data that can be used to develop high resolution target and terrain models for use in digital and real-time hardwarein- the-loop simulations. The purpose of this presentation is to provide an overview of RISAR development and implementation. Example results of funded data collections will be presented with an emphasis on the system's 3D target modeling capabilities for ground targets, and wake characterization capabilities for littoral targets. © 2010 Copyright SPIE - The International Society for Optical Engineering.


Menon V.,Simulation Technologies, Inc.
Studies in Health Technology and Informatics | Year: 2012

This article describes a mathematically based human circulatory model. The model consists of lumped elements made of venous, arterial, peripheral, pulmonary vein and artery segments. A heart model is simulated using 4 chambers (left and right atriums and ventricles). The heart pump mechanism is operated by a simple piston based models for each of the chambers. The simulation consists of 19 (states) first order differential equations. and simulated with Matlab and Simulink. The simulation computes volume, flow rate and pressures in each segment. © 2012 The authors and IOS Press. All rights reserved.


Grant
Agency: Department of Defense | Branch: Army | Program: SBIR | Phase: Phase I | Award Amount: 149.82K | Year: 2015

With the ubiquity of mobile devices and the large disparity in screen sizes it is imperative for applications to be able to adapt to a wide variety of devices and platforms easily and transparently. As such, it is required that to do so there must be an intelligent framework that is powerful enough to coordinate and adapt to these ever changing screen size requirements easily and seamlessly. This proposal outlines the development, testing, marketing and profound impacts of a framework that could handle user-interface adaptation completely transparently to the user.


Grant
Agency: Department of Defense | Branch: Army | Program: SBIR | Phase: Phase II | Award Amount: 716.70K | Year: 2011

A technique that enables rapid high fidelity SAR scene generation is proposed. Results of Phase I have shown the proposed technique superior to current convolution methods. The technique will be optimized and tested for the AMRDEC common scene generator. A stand-alone product for commercialization will be specified and prototyped.


Grant
Agency: Department of Defense | Branch: Army | Program: STTR | Phase: Phase II | Award Amount: 351.08K | Year: 2013

A technique that enables new methods of obscurant modeling with faster rendering while maintaining or improving physical fidelity is proposed. The proposed technique not only exhibits the statistics of voxel based obscurants, but matches real-world data as well. The main objective from Phase II efforts will be a further refinement of the flow field and particle technique of generating physically correct and efficient obscurant model and the development of a stand-along design tool to aid in obscurant modeling. The tool will aid users in'setting up'scenes including flight-reconstructions and'what-if'scenarios. The techniques designed will also be integrated into existing scene generation software.


Grant
Agency: Department of Defense | Branch: Army | Program: STTR | Phase: Phase I | Award Amount: 99.98K | Year: 2011

A technique that enables new methods of obscurant modeling with faster rendering while maintaining or improving physical fidelity is proposed. the proposed technique not only exhibits the qualities of voxel based obscurants, but matches real-world data as well. The main objective from Phase I efforts will be a specification for the technique of generating physically correct and efficient obscurant model. The result of Phase I will also show the feasibility of using the obscurant technique for modeling with system simulations.


Grant
Agency: Department of Defense | Branch: Army | Program: SBIR | Phase: Phase I | Award Amount: 69.96K | Year: 2010

We will use our thorough understanding of AMRDEC radar scene generation and SAR processing to study various techniques for generating spatially correlated scenes. The technique(s) that produces the desired SAR scene at the desired update rate will be chosen. This technique(s) will be further developed and specified for use in the AMRDEC common scene generator. It will be marketed to developers of multispectral seekers for use in efficient SAR generation in simulations.


PubMed | Simulation Technologies, Inc. and University of Alabama in Huntsville
Type: Journal Article | Journal: Microscopy (Oxford, England) | Year: 2016

A hybrid approach is presented for obtaining electric potentials for use in electron optics modeling. An initial solution from the boundary element method (BEM) is used to derive the bounding potential of a cylindrical subdomain subsequently used in a Fourier series solution. The approach combines the inherent precision of this analytic solution with the flexibility of BEM to describe practical, non-idealized systems of electrodes. The resulting lens field in the Fourier series subdomain is of higher precision, thereby allowing smaller errors in subsequent calculations of electron ray paths. The effects of aberrations are thus easier to observe in tracing non-paraxial rays. Example ray-traces through a simple, known einzel lens are given as validation of this approach.

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