Search Results - "Woolsey, C.A."

An Efficient Motion Control System for Underwater Gliders by Mahmoudian N., Woolsey C.A.

“…This paper describes an underwater glider motion control system intended to enhance locomotive efficiency by reducing the energy expended by vehicle guidance…”
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Moving mass control for underwater vehicles by Woolsey, C.A., Leonard, N.E.

“…We present two reduced-dimensional, noncanonical Hamiltonian models for a neutrally buoyant underwater vehicle coupled to an internal moving mass. It is…”
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Alternative fistula risk score is a better predictor of ideal outcome in patients undergoing minimally invasive pancreaticoduodenectomy by Panni, U.Y., Srinivasa, S., Khan, A., Woolsey, C.A., Williams, G., Patel, S., Fields, R.C., Doyle, M.B., Chapman, W.C., Strasberg, S.M., Hawkins, W.G., Hammill, C.W., Sanford, D.E.

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Improved outcomes with minimally invasive pancreaticoduodenectomy in patients with dilated pancreatic ducts: A prospective study by Srinivasa, S., LeCompte, M.T., Khan, A., Woolsey, C.A., Williams, G., Patel, S., Fields, R.C., Doyle, M.B., Chapman, W.C., Strasberg, S.M., Hawkins, W.G., Hammill, C., Sanford, D.E.

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Cross-track control of a slender, underactuated AUV using potential shaping by Woolsey, C.A., Techy, L.

“…The three-dimensional directional stabilization problem is addressed for a slender autonomous underwater vehicle with three inputs: thrust, pitch moment, and…”
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Adaptive output feedback control of a spheroidal underactuated underwater vehicle by Stepanyan, V., Hovakimyan, N., Woolsey, C.A.

“…Adaptive output feedback is applied to an uncertain model of an underactuated underwater vehicle. The vehicle is modelled as a neutrally buoyant, prolate…”
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A low-speed control module for a streamlined AUV by Nickell, C.L., Woolsey, C.A., Stilwell, D.J.

“…Streamlined autonomous underwater vehicles (AUVs) are typically designed to operate at a nominal speed. Control surfaces are sized to meet control requirements…”
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Design and simulation of a two stage towing system by Schuch, E.M., Linklater, A.C., Lambeth, N.W., Woolsey, C.A.

“…This paper presents a design for a two stage towing system which will be used to measure small-scale ocean turbulence. The science application introduces…”
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Identification of a low-complexity flow field model for AUV applications by Petrich, J., Woolsey, C.A., Stilwell, D.J.

“…This paper presents identification algorithms for a low-dimensional planar flow model composed of a uniform flow component and a singular flow component. With…”
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Output synchronization of systems in chained form by Listmann, K.D., Woolsey, C.A.

“…In this article we extend previous results for back-stepping and passivity-based design of cooperative control laws to a class of chained form systems that…”
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Directional Control of a Slender, Underactuated AUV Using Potential Shaping by Woolsey, C.A.

“…The three-dimensional directional stabilization problem is addressed for a slender autonomous underwater vehicle (AUV) with three inputs: thrust, pitch moment,…”
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Path planning for efficient UAV coordination in aerobiological sampling missions by Techy, L., Woolsey, C.A., Schmale, D.G.

“…This paper is concerned with the coordinated flight of two autonomous UAVs to be used for aerobiological sampling of biological threat agents above…”
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Energy shaping for vehicles with point mass actuators by Reddy, C.K., Woolsey, C.A.

“…This paper describes the application of the method of controlled Lagrangians to vehicles with moving point mass actuators. This class of systems includes…”
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L1 Adaptive Control of a UAV for Aerobiological Sampling by Jiang Wang, Patel, V., Woolsey, C.A., Hovakimyan, N., Schmale, D.

“…Small unmanned air vehicles (UAVs) have been used to collect samples of pollen, plant pathogens, and other biological particles within the Earth's surface…”
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Directional control of a streamlined underwater vehicle by feedback passivation by Hye-Young Kim, Woolsey, C.A.

“…This paper describes a model-based technique for stabilizing the directional motion of a streamlined underwater vehicle controlled in surge, roll, pitch, and…”
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Controlled Lagrangians with gyroscopic forcing: an experimental application by Reddy, C.K., Whitacre, W.W., Woolsey, C.A.

“…This paper describes an experimental implementation of a feedback control law derived using the method of controlled Lagrangians. This technique, which was…”
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Nonlinear Control of a Novel Two-Link Pendulum by Techy, L., Reddy, C.K., Woolsey, C.A., Chengyu Cao, Hovakimyan, N.

“…This paper describes nonlinear control of a two degree of freedom mechanical system which models a bird perched on a branch or cable. The primary contribution…”
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Global asymptotic stabilization of an underwater vehicle using internal rotors by Woolsey, C.A., Leonard, N.E.

“…We derive a feedback control law that uses internal rotors to globally stabilize steady translation of an underwater vehicle that is subject to fluid drag as…”
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Underwater vehicle stabilization by internal rotors by Woolsey, C.A., Leonard, N.E.

“…Internal rotors may usefully complement more conventional means of underwater vehicle actuation by extending the operating regime and improving reliability. In…”
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Passive and active attitude stabilization for a tow-fish by Woolsey, C.A., Gargett, A.E.

“…High precision oceanographic sensing applications often require precisely regulated sensor platforms. The paper investigates the problem of stabilizing the…”
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