A meaningful computer simulation effort in the area of high-power machinery systems could have a major impact upon the cost of developing these systems. It is proposed, in this Phase 1, to develop modular, detailed and reduced-order digital computer simulations for an example high-power machinery… More

Cryogenic components are being proposed for a ground-transportable radar (GTR) systems. Incorporating low-loss components into power-electronic based systems is a concern from the standpoint of system stability due to the inherent low resistance of the cryogenic components which may tend to… More

Recently, PCKA personnel developed a modeling technique that will revolutionize power/drive system simulation. Therein, a detailed state model is automatically developed from a circuit description of the power/drive system component. This approach, which is referred to as an automated state model… More

Complex engineered systems involve a broad spectrum of technologies and interactive subsystems that must work synergistically in order to achieve the mission goals. The design of such complex and large-scale systems necessarily involves the collaborativeefforts of numerous geographically dispersed… More

Complex engineered systems such as the power systems of most military platforms involve a broad spectrum of technologies and interactive subsystems that must work synergistically. Due to the interdependencies between subsystems, it is becoming increasingly important to establish a simulation… More

Complex engineered systems such as tactical vehicles and advanced weapon systems involve a broad spectrum of technologies and interactive subsystems that must work synergistically in order to achieve mission goals. Due to the interdependencies between subsystems that comprise the overall system, it… More

Complex engineered systems such as the power systems of tactical vehicles and advanced weapon systems involve a broad spectrum of technologies and interactive subsystems that must work synergistically. Due to the interdependencies between subsystems and the ever present re-design process, it is… More

In order to realize the full potential of Silicon Carbide and to facilitate its deployment in high-temperature power electronics applications, it is important to establish an integrated simulation, design, and analysis infrastructure to address the special considerations and numerous technical… More

In order to realize the full potential of Silicon Carbide and to facilitate its deployment in high-temperature power electronics applications, it is important to establish an integrated modeling, simulation, and analysis (MS&A) infrastructure to address the special considerations and numerous… More

Catastrophic failures in aircraft electrical power systems can compromise the readiness, safety, and capabilities of the war-fighter. In this effort, a suite of tools will be developed to provide a comprehensive prognostics and health management system (PHM) for aircraft generators and associated… More

The primary objective of the proposed work is to demonstrate proof of concept for a directed energy system analysis and design environment. This analysis and design environment will be based upon Distributed Heterogeneous Simulation (DHS) technology. DHS allows the interconnection of models… More

Airborne electrical power requirements are increasing significantly to support Intelligence, Surveillance, and Reconnaissance (ISR) sensors, electronic attack suites, and directed energy weapons for military applications. When the electric generator is directly coupled to the propulsion engine,… More

The primary objective of the proposed work is to investigate design techniques to improve torque density, power density, and efficiency in wound-rotor synchronous machines. The underlying principle of the proposed design technique is to alter the flux path in the machine to increase torque… More

The lowered cost of maintenance, lowered weight, and reduced installation complexity of smart electric actuators continues to justify the transition from hydraulic actuation to EMAs/EHAs. This SBIR proposal will extend the advantages of EMA technology into high-temperature, high-vibration… More

The well-known consequence of high-performance, low-observable, more-electric strike aircraft is the increased thermal loading that can ultimately threaten mission-critical components. The ability to efficiently transport the resulting waste energy to onboard coolants is now understood to be an… More

The primary objective of the proposed work is to develop a directed energy system analysis and design environment. This analysis and design environment will be based upon Distributed Heterogeneous Simulation (DHS) and Distributed Heterogeneous Optimization (DHO) technology. DHS allows the… More

The primary objective of the proposed work is to investigate design techniques to improve torque density, power density, and efficiency in wound-rotor synchronous machines. The underlying principle of the proposed design technique is to alter the flux paths in the machine to increase torque… More

The primary objective of the proposed work is to develop an unmanned underwater vehicle (UUV) power system architecture that is simultaneously scalable to multiple UUV sizes, light weight, affordable, and adaptable. This will be accomplished through the development of "smart" power units (SPU's)… More

Focusing on a reduced-dimension problem of a hypersonic orbital/lunar reentry capsule, an algorithm will be built which combines the stochastic Monte Carlo method for treatment of radiation transport in optically thin to moderate domains, with a single-term modified differential approximation (MP1)… More

The current thermal management effort for high performance aircraft focuses much attention on more efficient energy rejection through the development of advanced heat exchanger technologies. PC Krause and Associates (PCKA) is currently filling a much-needed gap of scaling and performance knowledge… More

The move towards more-electric aircraft continues to increase the complexity of electrical power systems (EPS) on modern airborne platforms. In addition to ever expanding peak and regenerative power demands, the flight criticality of the EPS also continues to increase as more systems become… More

Distributed computing is used in a variety of fields and efficient data distribution among components is essential to the performance of such distributed systems. A new programming model that enables disparate software applications developed using a variety of different computer languages to share… More

The proposed work will investigate the feasibility of a market-based power allocation method for shipboard power systems. These systems will encompass more loads demanding more power in order to meet the U.S. Navy's current and future missions. As power is a scarce resource with alternative uses,… More

The lowered cost of maintenance, lowered weight, and reduced installation complexity of smart electric actuators continues to justify the transition from hydraulic actuation to EMAs/EHAs. This SBIR proposal will extend the advantages of EMA technology into high-temperature, high-vibration… More

The objective of the proposed effort is to characterize High Performance Computing (HPC) subsystem interactions into meaningful metrics and correlates and, determine the correlations between high-level application behavioral metrics to power consumption in HPC systems. The proposed effort will also… More

An opportunity to boost energy efficiency in homes and buildings exists through the design of functional radiative properties in glass and other building materials. Current surface materials ignore or take first-order approaches to complicated spectral behavior, leading to sub-optimal properties. … More

The overall objective of this research project is to investigate an autonomous and online control structure for finite-inertia power systems (dc and ac) with a real-time system simulation embedded within the control. The dual use aspect of this research will be demonstrated by focusing… More

ABSTRACT: The primary objectives of the proposed effort are to enhance, expand, and validate a variable-fidelity transient thermal management toolset. The toolset will be used to model hardware systems in order to validate the approach. In addition, the modeling capability of the tool will be… More

The move to more-electric architectures during the past decade in military and commercial airborne systems continues to increase the complexity of designing and specifying the electric power system (EPS). The addition of numerous high-power electric loads has drastically altered the dynamics of… More