Now showing items 1-10 of 79
High-pass filtering to remove electrocardiographic interference from torso EMG recordings
(Elsevier, 1993-01)
SummaryRemoval of electrocardiographic (ECG) contamination of electromyographic (EMG) signals from torso muscles is often attempted by high-pass filtering. This study investigated the effects of the cut-off frequency used ...
The relationship of isometric strength to peak dynamic hand forces during submaximal weight lifting
(Elsevier, 1992-01)
Reports have indicated that approximately one third of the US workforce is presently required to exert significant strength as part of their jobs. In addressing the prevention of these types of injuries, the assessment of ...
EMG Biofeedback as a Tool for Simulating the Effects of Specific Leg Muscle Weakness on a Lifting Task
(Kluwer Academic Publishers-Plenum Publishers; Plenum Publishing Corporation ; Springer Science+Business Media, 1999-12)
This study investigated the use of EMG biofeedback to simulate weakened rectus femorii and gastrocnemii muscles during the performance of a lifting task. Eight healthy women performed 15 kg free-style lifts from floor ...
Determination of optimal vertices from feasible solutions in unimodular linear programming
(Springer-Verlag; The Mathematical Programming Society, Inc., 1993-03)
In this paper we consider a linear programming problem with the underlying matrix unimodular, and the other data integer. Given arbitrary near optimum feasible solutions to the primal and the dual problems, we obtain ...
A simple proof of a primal affine scaling method
(Baltzer Science Publishers, Baarn/Kluwer Academic Publishers; J.C. Baltzer AG, Science Publishers ; Springer Science+Business Media, 1996-12)
In this paper, we present a simpler proof of the result of Tsuchiya and Muramatsu on the convergence of the primal affine scaling method. We show that the primal sequence generated by the method converges to the interior ...
Duality in infinite dimensional linear programming
(Springer-Verlag; The Mathematical Programming Society, Inc., 1992-01)
We consider the class of linear programs with infinitely many variables and constraints having the property that every constraint contains at most finitely many variables while every variable appears in at most finitely ...
Exterior point algorithms for nearest points and convex quadratic programs
(Springer-Verlag; The Mathematical Programming Society, Inc., 1992-05)
We consider the problem of finding the nearest point (by Euclidean distance) in a simplicial cone to a given point, and develop an exterior penalty algorithm for it. Each iteration in the algorithm consists of a single ...
Stochastic scheduling of parallel queues with set-up costs
(Kluwer Academic Publishers; J.C. Baltzer AG, Science Publishers ; Springer Science+Business Media, 1995-12)
We consider the problem of allocating a single server to a system of queues with Poisson arrivals. Each queue represents a class of jobs and possesses a holding cost rate, general service distribution, and a set-up cost. ...
CP-rays in simplicial cones
(Springer-Verlag; The Mathematical Programming Society, Inc., 1990-03)
An interior point of a triangle is called CP-point if its orthogonal projection on the line containing each side lies in the relative interior of that side. In classical mathematics, interest in the concept of regularity ...
Control of an Assembly System with Processing Time and Subassembly-Type Uncertainty
(Kluwer Academic Publishers; Springer Science+Business Media, 1999-10)
We address the problem of controlling an assembly system in which the processing times as well as the types of subassemblies are stochastic. The quality (or performance) of the final part depends on the characteristics of ...