Search Results - "Dougal, R.A."

Parallel-Connected Solar PV System to Address Partial and Rapidly Fluctuating Shadow Conditions by Lijun Gao, Dougal, R.A., Shengyi Liu, Iotova, A.P.

“…Solar photovoltaic (PV) arrays in portable applications are often subject to partial shading and rapid fluctuations of shading. In the usual series-connected…”
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A Compact Digitally Controlled Fuel Cell/Battery Hybrid Power Source by Zhenhua Jiang, Dougal, R.A.

“…A compact digitally controlled fuel cell/battery hybrid power source is presented in this paper. The hybrid power source composed of fuel cells and batteries…”
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Power enhancement of an actively controlled battery/ultracapacitor hybrid by Lijun Gao, Dougal, R.A., Shengyi Liu

“…An actively controlled battery/ultracapacitor hybrid has broad applications in pulse-operated power systems. A converter is used to actively control the power…”
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Dynamic multiphysics model for solar array by Shengyi Liu, Dougal, R.A.

“…An approach to model the solar cell system with coupled multiphysics equations (photovoltaic, electro-thermal, direct heating and cooling processes) within the…”
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Adaptive Control Strategy for Active Power Sharing in Hybrid Fuel Cell/Battery Power Sources by Zhenhua Jiang, Lijun Gao, Dougal, R.A.

“…Hybrid systems composed of fuel cells and batteries combine the high energy density of fuel cells with the high power density of batteries. A dc/dc power…”
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Synergetic control for DC-DC boost converter: implementation options by Santi, E., Monti, A., Donghong Li, Proddutur, K., Dougal, R.A.

“…The theory of synergetic control was introduced in a power electronics context in a previous paper. In this paper, we review the theory, then focus on some…”
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Flexible multiobjective control of power converter in active hybrid fuel cell/battery power sources by Zhenhua Jiang, Lijun Gao, Dougal, R.A.

“…Hybrid power sources composed of fuel cells and secondary batteries can combine the high energy density of fuel cells with the high power density of batteries…”
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Dynamic lithium-ion battery model for system simulation by Lijun Gao, Shengyi Liu, Dougal, R.A.

“…Presents here a complete dynamic model of a lithium ion battery that is suitable for virtual-prototyping of portable battery-powered systems. The model…”
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Power and life extension of battery-ultracapacitor hybrids by Dougal, R.A., Liu, S., White, R.E.

“…The performance of a battery-ultracapacitor hybrid power source under pulsed load conditions is analytically described using simplified models. We show that…”
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Design and simulation of a permanent-magnet electromagnetic aircraft launcher by Patterson, D., Monti, A., Brice, C.W., Dougal, R.A., Pettus, R.O., Dhulipala, S., Kovuri, D.C., Bertoncelli, T.

“…This paper describes the basic design, refinement, and verification using finite-element analysis, and operational simulation using the Virtual Test Bed, of a…”
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Proximity Coupled Interdigitated Sensors to Detect Insulation Damage in Power System Cables by Bhuiyan, R.H., Dougal, R.A., Ali, M.

“…Proximity coupled interdigitated sensors are introduced to detect insulation damage in power system cables. A new empirical model for interdigitated sensors…”
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Study of pulsed-current loading of direct methanol fuel cells using a new time-domain model based on bi-functional methanol oxidation kinetics by Vilar, Eric, Dougal, R.A.

“…This work describes a non-linear time-domain model of a direct methanol fuel cell (DMFC) and uses that model to show that pulsed-current loading of a direct…”
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Evaluation of active hybrid fuel cell/battery power sources by Lijun Gao, Zhenhua Jiang, Dougal, R.A.

“…Hybrid fuel cell/battery power sources have potentially widespread uses in applications wherein the power demand is impulsive rather than constant. Interposing…”
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Power coordination in a fuel cell–battery hybrid power source using commercial power controller circuits by Blackwelder, M.J, Dougal, R.A

“…Hybrid power systems combine the superb energy density of a fuel cell power source with the outstanding power density of modem batteries. A hybrid power source…”
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Control strategies for active power sharing in a fuel-cell-powered battery-charging station by Zhenhua Jiang, Dougal, R.A.

“…This paper presents an effective system design for a fuel-cell-powered battery-charging station and three control strategies for active power sharing among the…”
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Symbolically aided model development for an induction machine in virtual test bed by Wenzhong Gao, Solodovnik, E.V., Dougal, R.A.

“…A new phase-domain induction machine model for use in power system dynamic simulation is developed with the aid of a symbolic tool. The symbolic tool can…”
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Design and testing of spacecraft power systems using VTB by Zhenhua Jiang, Shengyi Liu, Dougal, R.A.

“…A study is presented on the design and testing of spacecraft power systems using the virtual test bed (VTB). The interdisciplinary components such as solar…”
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Power anomaly effects and costs in low-voltage mobile power systems by Liu, S., Singer, C.H., Dougal, R.A.

“…Electric power anomalies or disturbances can disrupt the normal operation of equipment, accelerate aging, or even cause outright failures thus resulting in…”
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Review of technologies for current-limiting low-voltage circuit breakers by Brice, C.W., Dougal, R.A., Hudgins, J.L.

“…Conventional air-magnetic circuit breakers, which are widely used in low-voltage applications, utilize magnetic forces that are produced by blowout coils, the…”
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A novel, digitally-controlled, portable photovoltaic power source by Zhenhua Jiang, Dougal, R.A.

“…This paper is to present a novel, digitally-controlled, portable photovoltaic (PV) power source that can be used as a standalone power source in remote…”
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