Search Results - "Lewin, P.L."

A robotic workstation for stroke rehabilitation of the upper extremity using FES by Freeman, C.T, Hughes, A.-M, Burridge, J.H, Chappell, P.H, Lewin, P.L, Rogers, E

“…Abstract An experimental test facility is developed for use by stroke patients in order to improve sensory-motor function of their upper limb. Subjects are…”
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Iterative learning control applied to a gantry robot and conveyor system by Freeman, C.T., Lewin, P.L., Rogers, E., Ratcliffe, J.D.

“…Synchronization is routinely required to coordinate the actions of the various sub-systems involved in process applications. This is commonly achieved through…”
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Shoulder and elbow muscle activity during fully supported trajectory tracking in people who have had a stroke by Hughes, A.M, Freeman, C.T, Burridge, J.H, Chappell, P.H, Lewin, P.L, Rogers, E

“…Abstract An inability to perform tasks involving reaching is a common problem for stroke patients. This paper provides an insight into mechanisms associated…”
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Zero-Phase Filtering for Lightning Impulse Evaluation: A K-factor Filter for the Revision of IEC60060-1 and -2 by Lewin, P.L., Tran, T.N., Swaffield, D.J., Hallstrom, J.K.

“…The next revision of the international standard for high-voltage measurement techniques, IEC 60060-1, has been planned to include a new method for evaluating…”
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Assessment of the Impact of Joint Bays on the Ampacity of High-Voltage Cable Circuits by Pilgrim, J.A., Swaffield, D.J., Lewin, P.L., Larsen, S.T., Payne, D.

“…Improvements in the cost and availability of computational power in recent years has led to numerical techniques such as finite-element analysis (FEA) becoming…”
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Comparison of on-line partial discharge detection methods for HV cable joints by Tian, Y., Lewin, P.L., Davies, A.E.

“…The capacitive coupler, acoustic emission (AE) sensor and radio frequency current transducer (RFCT) have been used to detect partial discharge (PD) activity…”
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Partial discharge characterization of streamers in liquid nitrogen under applied AC voltages by Swaffield, D.J., Lewin, P.L., Chen, G., Swingler, S.G.

“…Streamer growth has been examined with the aim to further understand the issues related to using liquid nitrogen as a part of a dielectric system within power…”
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Shoulder and elbow muscle activity during fully supported trajectory tracking in neurologically intact older people by Hughes, A.M, Freeman, C.T, Burridge, J.H, Chappell, P.H, Lewin, P.L, Pickering, R.M, Rogers, E

“…Abstract An inability to perform tasks involving reaching is a common problem for stroke patients. Knowledge of normal muscle activation patterns during these…”
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Electric field effects on boiling heat transfer of liquid nitrogen by Wang, P., Lewin, P.L., Swaffield, D.J., Chen, G.

“…This paper describes an experimental study into the influence of a d.c. uniform electric field on boiling heat transfer characteristics of liquid nitrogen. The…”
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An Optimality-Based Repetitive Control Algorithm for Discrete-Time Systems by Freeman, C.T., Lewin, P.L., Rogers, E., Owens, D.H., Hatonen, J.

“…In this paper, we first demonstrate that the zeroth-order hold discretization of a class of well-known continuous-time repetitive control algorithms can result…”
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Partial discharge detection in cables using VHF capacitive couplers by Tian, Y., Lewin, P.L., Davies, A.E., Sutton, S.J., Swingler, S.G.

“…In order to detect and locate partial discharge (PD) activity within HV cables and in particular cable joints, the feasibility of using a very high frequency…”
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Thermal bubble motion in liquid nitrogen under nonuniform electric fields by Wang, P., Swaffield, D.J., Lewin, P.L., Chen, G.

“…This paper describes an experimental study into the influence of a non-uniform electric field on bubble motion and behavior in liquid nitrogen. The electric…”
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An improved optically based PD detection system for continuous on-line monitoring of HV cables by Tian, Y., Lewin, P.L., Wilkinson, J.S., Schroeder, G., Sutton, S.J., Swingler, S.G.

“…An optically-based remote sensing technique using a laser source, polarization scrambler, standard single mode fibers, fiber polarizer, electro-optic (EO)…”
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Phase resolved electroluminescence measurements in thin films of low density polyethylene using a charge coupled device camera by Dodd, S.J., Lewin, P.L., Wong, K.I.

“…Electroluminescence (EL) produced by a commercially available additive free low density polyethylene film has been investigated under a 50 Hz AC electrical…”
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Partial discharge source discrimination using a support vector machine by Hao, L., Lewin, P.L.

“…Partial discharge (PD) measurements are an important tool for assessing the health of power equipment. Different sources of PD have different effects on the…”
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Partial discharge on-line monitoring for HV cable systems using electro-optic modulators by Tian, Y., Lewin, P.L., Pommerenke, D., Wilkinson, J.S., Sutton, S.J.

“…A technique for the remote inspection and monitoring of partial discharge (PD) activity using an optical network is described. The network uses a LiNbO/sub 3/,…”
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Numerical simulation of lightning strike damage to wind turbine blades and validation against conducted current test data by Laudani, A.A.M., Vryonis, O., Lewin, P.L., Golosnoy, I.O., Kremer, J., Klein, H., Thomsen, O.T.

“…This paper presents a novel numerical approach to simulate lightning strike damage to equipotential bonding interfaces of wind turbine blades, and model…”
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Sacrificial copper strip sensors for sulfur corrosion detection in transformer oils by Ahmad Khiar, M.S., Brown, R.C.D., Lewin, P.L.

“…•A new test to track the progression of elemental sulfur in oils is proposed.•The proposed method is based on thin film sacrificial copper strips.•Thin film…”
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Iterative learning control of FES applied to the upper extremity for rehabilitation by Freeman, C.T., Hughes, A.-M., Burridge, J.H., Chappell, P.H., Lewin, P.L., Rogers, E.

“…Iterative learning control schemes are used to apply functional electrical stimulation to the triceps of unimpaired subjects in order to perform trajectory…”
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Autonomous localization of partial discharge sources within large transformer windings by Abd Rahman, M.S., Lewin, P.L., Rapisarda, P.

“…Partial discharge (PD) condition monitoring inside a HV transformer generally and particularly along a transformer winding has become an important research…”
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