Results 31 to 40 of about 3,006 (163)

A QP Solver Implementation for Embedded Systems Applied to Control Allocation

open access: yesComputation, 2020
Quadratic programming problems (QPs) frequently appear in control engineering. For use on embedded platforms, a QP solver implementation is required in the programming language C.
Christina Schreppel, Jonathan Brembeck
doaj   +1 more source

Convex quadratic and semidefinite programming relaxations in scheduling [PDF]

open access: yesJournal of the ACM, 2001
We consider the problem of scheduling unrelated parallel machines subject to release dates so as to minimize the total weighted completion time of jobs. The main contribution of this paper is a provably good convex quadratic programming relaxation of strongly polynomial size for this problem. The best previously known approximation algorithms are based
openaire   +2 more sources

Zeroing neural network for time-varying convex quadratic programming with linear noise

open access: yesTongxin xuebao, 2023
Aiming at the problem that linear time-varying noise may have a negative impact on the existing zeroing neural network model to solve TVQP problem, resulting in slow convergence and low accuracy of the model, a double integral enhancement zeroing neural ...
Jianfeng LI   +7 more
doaj   +2 more sources

A convex-relaxation based method for optimal water-power flow

open access: yesEnergy Reports, 2022
This paper proposes a convex reformulation for the non-linear optimal water-power flow (OWPF) problem to optimize the operation cost of the integrated electricity–water network (IEWN).
Xinyi Li   +4 more
doaj   +1 more source

Parallel Constraint Distribution in Convex Quadratic Programming [PDF]

open access: yesMathematics of Operations Research, 1994
We consider convex quadratic programs with large numbers of constraints. We distribute these constraints among several parallel processors and modify the objective function for each of these subproblems with Lagrange multiplier information from the other processors.
openaire   +2 more sources

An economic-environmental energy management system design for MT-HVDC networks via a semi-definite programming approximation with robust analysis

open access: yesAin Shams Engineering Journal
This research deals with the economic-environmental dispatch problem (EEDP) in multi-terminal high-voltage direct-current (MT-HVDC) systems by proposing a convex approximation based on semi-definite programming (SDP).
Wilmar Contreras-Sepúlveda   +2 more
doaj   +1 more source

Distributionally Robust Joint Chance Constrained Problem under Moment Uncertainty

open access: yesJournal of Applied Mathematics, 2014
We discuss and develop the convex approximation for robust joint chance constraints under uncertainty of first- and second-order moments. Robust chance constraints are approximated by Worst-Case CVaR constraints which can be reformulated by a ...
Ke-wei Ding
doaj   +1 more source

Designing Camera Networks by Convex Quadratic Programming [PDF]

open access: yesComputer Graphics Forum, 2015
AbstractIn this paper, we study the problem of automatic camera placement for computer graphics and computer vision applications. We extend the problem formulations of previous work by proposing a novel way to incorporate visibility constraints and camera‐to‐camera relationships.
Bernard Ghanem, Yuanhao Cao, Peter Wonka
openaire   +1 more source

Fuzzy goal programming technique for multi-objective indefinite quadratic bilevel programming problem [PDF]

open access: yesArchives of Control Sciences, 2020
Bilevel programming problem is a non-convex two stage decision making process in which the constraint region of upper level is determined by the lower level problem.
Ritu, Arora, Kavita, Gupta
doaj   +1 more source

Uncertainty analysis of torque-induced bending deformations in ball screw systems

open access: yesAdvances in Mechanical Engineering, 2015
In order to study the torque-induced bending deformation in ball screw systems with uncertain-but-bounded parameters, uncertainty analysis of torque-induced bending deformations in ball screw systems based on an numerical method combined second-order ...
Gao Xiangsheng, Wang Min, Li Qi, Zan Tao
doaj   +1 more source

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