9,644 Hits in 6.0 sec

Improved hybrid differential evolution by self adaptive recombination operator to solve unit commitment problem of thermal generators

2017 International Journal of Latest Trends in Engineering and Technology  
This paper proposes a novel Improved Hybrid Differential Evolution (IHDE) combined with Lagrangian relaxation (LR) technique to solve the unit commitment problem (UCP) of Thermal generators.  ...  Improved Hybrid differential evolution (IHDE) is a simple population based stochastic function method.  ...  Hybrid Differential Evolution optimization algorithms for solving the problem of UC.  ... 
doi:10.21172/1.92.08 fatcat:6gradkg4cbeobm4la4b2m7oavq

Profit based unit commitment for GENCOs using Lagrange Relaxation–Differential Evolution

A.V.V. Sudhakar, Chandram Karri, A. Jaya Laxmi
2017 Engineering Science and Technology, an International Journal  
In this article, a hybrid Lagrange Relaxation (LR)-Differential Evolution (DE) is proposed for solving the PBUC problem.  ...  In the proposed hybrid method, the LR is applied to solve the unit commitment problem and the DE algorithm is used to update the Lagrange multipliers.  ...  Acknowledgement The authors gratefully acknowledge the contributions of an anonymous reviewers for their numerous and useful suggestions.  ... 
doi:10.1016/j.jestch.2016.11.012 fatcat:gedy7t2n6jfiheo75g5bkjhrdy

Thermal Unit Commitment Problem by Using Genetic Algorithm, Fuzzy Logic and Priority List Method

D. P. Kadam, S. S. Wagh, P. M. Patil
2007 International Conference on Computational Intelligence and Multimedia Applications (ICCIMA 2007)  
Many different methods have been presented to solve unit commitment (UC) problem in literature with different advantages and disadvantages.  ...  In the proposed method, improved preprepared power demand (IPPD) table is used to solve UC problem, and then analytical "λ-logic" algorithm is used to solve economic dispatch (ED) sub-problem.  ...  [49] , Binary Particle Swarm Optimization, Differential Evolution Algorithm and Lambda Iteration Method in Ref.  ... 
doi:10.1109/iccima.2007.338 fatcat:uakmcpctzbdkpheze2ewmivdhm

Application of nature inspired metaheuristic techniques to overcurrent relay coordination

Ritesh Rawat, Vijay S. Kale, Sanjeev S. Gokhale
2016 2016 Future Technologies Conference (FTC)  
The complexity of the system as well as the increased user demand and the deregulated environment enforce the utilities to improve system reliability by using a properly coordinated protection scheme.This  ...  Three improved Differential Evolution algorithms Laplace Mutated Differential Evolution (LMDE), Cauchy Mutated Differential Evolution(CMDE)andGaussian Mutated Differential Evolution (GMDE) based on "Local  ...  An Improved Particle Swarm Optimization Algorithm for Unit Commitment. International Journal of Electrical Power & Energy Systems, 28(7): 482-490. 34. Sum-Im, T. and W. Ongsakul, 2003.  ... 
doi:10.1109/ftc.2016.7821600 fatcat:rw6j6moemre3xcvrbgpyl37d3q

GWO-SA: A Novel Hybrid Grey Wolf Optimizer-Simulated Annealing algorithm for Multidisciplinary Design Optimization Problems

2019 International journal of recent technology and engineering  
The feasibility of hGWO-SA algorithm has been tested for small & medium scale power systems unit commitment problem.  ...  The effectiveness of the proposed hybrid variant has been tested for various benchmark problems including multi-disciplinary optimization and design engineering problems and unit commitment problem of  ...  The primary unit commitment schedules are formed by priority list method and after that improved by using the specific heuristics problem and fulfill the generating unit.  ... 
doi:10.35940/ijrte.c6735.118419 fatcat:4tg3uxsf35dkfhffvki4zc7o5m

A Novel way out to Unit Commitment Problem utilizing Evolutionary Particle Swarm Optimization

2019 International journal of recent technology and engineering  
This paper introduces the exit plan for Unit Commitment Problem by methods for EPSO system. A calculation was created to achieve an exit plan to the Unit Commitment Problem utilizing EPSO procedure.  ...  This paper differentiates the shows of three Unit Commitment strategies, three of which are the essential arrangement techniques for taking care of the Unit Commitment Problem named Priority List and Dynamic  ...  METHODOLOGIES FOR WORKING OUT UC PROBLEM The basic solution methods for unit commitment problem are the Priority List, P max and Dynamic Programming methods.  ... 
doi:10.35940/ijrte.d8236.118419 fatcat:inqhr6suivgmtpipmgxtrkzdim

Gbest based Artificial Bee Colony optimization for unit commitment problem

M. Govardhan, R. Roy
2013 2013 International Conference on Energy Efficient Technologies for Sustainability  
Unit commitment (UC) is one of the most difficult optimal tasks of the power system.  ...  These algorithms are applied to 10 and 20 unit test system over a 24 hour scheduling period and the results are compared with the existing optimization method Intelligent Binary Particle Swarm Optimization  ...  INTRODUCTION Unit commitment is an important optimization problem with a large number of 0-1 variables that represents the on/off state of generating unit in power system.  ... 
doi:10.1109/iceets.2013.6533546 fatcat:7xlhvzzvtrh67ldsllfeu7qhnm

Enhanced Multiobjective Evolutionary Algorithm based on Decomposition for Solving the Unit Commitment Problem [article]

Anupam Trivedi, Kunal Pal, Chiranjib Saha, Dipti Srinivasan
2014 arXiv   pre-print
/D such that genetic algorithm (GA) evolves the binary variables while differential evolution (DE) evolves the continuous variables.  ...  The unit commitment (UC) problem is a nonlinear, high-dimensional, highly constrained, mixed-integer power system optimization problem and is generally solved in the literature considering minimizing the  ...  INTRODUCTION T HE unit commitment (UC) problem is one of the most important problems in power system operation.  ... 
arXiv:1410.4343v2 fatcat:d5m5vlls4vcezm72p7nmqhbxbm

A novel parallel-series hybrid meta-heuristic method for solving a hybrid unit commitment problem

Zhile Yang, Kang Li, Qun Niu, Yusheng Xue
2017 Knowledge-Based Systems  
differential evolution algorithm and a lambda iteration method, to simultaneously and intelligently determine the binary on/off status of each thermal unit, the generation power of online units, as well  ...  Article: Yang, Z, Li, K, Niu, Q et al. (1 more author) (2017) A novel parallel-series hybrid meta-heuristic method for solving a hybrid unit commitment problem. .  ...  Two Priority lists for solving the HUC problem The priority list of the original UC problem is established as the reference in determining the order of unit commitments.  ... 
doi:10.1016/j.knosys.2017.07.013 fatcat:igslc6tqenh3nlce4q3kf6wvvm

Eagle Strategy based Crow Search Algorithm for solving Unit Commitment Problem

Rachid Habachi, Achraf Touil, Abdelkabir Charkaoui, Abdelwahed Echchatbi
2018 Indonesian Journal of Electrical Engineering and Computer Science  
strategy yields global results for the solution of the unit commitment problem.  ...  optimizer of Eagle strategy to solve unit commitment (UC) problem.  ...  If < pr, commit an uncommitted unit in SS ( ) with the lowest and return to step 3; Otherwise, randomly commit an uncommitted unit in SS( ) and return to step 3.  ... 
doi:10.11591/ijeecs.v12.i1.pp17-29 fatcat:cu5efz2tzbd4ni53rohaibxx6i

Improved Binary Artificial Fish Swarm Algorithm and Fast Constraint Processing for Large Scale Unit Commitment

Yong Li Zhu, Hui Gao
2020 IEEE Access  
INDEX TERMS Large-scale unit commitment, improved binary artificial fish swarm algorithm, heuristic greedy search, UC fast processing mechanism for constraint, environmental economic dispatch.  ...  UC problems.  ...  Zhao proposes an improved binary cuckoo search algorithm (IBCS) based on a new binary updating mechanism and the heuristic search method for the UC problem [15] .  ... 
doi:10.1109/access.2020.3015585 fatcat:4merzaqrarc6hoopvicyqvyww4

A Solution to the Unit-Commitment Problem Using Integer-Coded Genetic Algorithm

I.G. Damousis, A.G. Bakirtzis, P.S. Dokopoulos
2004 IEEE Transactions on Power Systems  
This paper presents a new solution to the thermal unit-commitment (UC) problem based on an integer-coded genetic algorithm (GA).  ...  As a result, algorithm robustness and execution time are improved.  ...  Improvement of the GA evolution with the second application of the excessive-reserve elimination operator to a commitment of 20 units. IV.  ... 
doi:10.1109/tpwrs.2003.821625 fatcat:22obytgoh5egblxhqq3kdbak7u

Heuristic Based Binary Grasshopper optimization algorithm to solve unit commitment problem

2020 Turkish Journal of Electrical Engineering and Computer Sciences  
For solving the binary unit commitment optimization problem, the 11 real/continues value grasshopper optimization algorithm is mapped into binary/discrete search-space by using an S-12 shaped sigmoid function  ...  The phenomenon of committing and 5 de-committing represents a discrete problem that requires binary/discrete optimization techniques to tackle with unit 6 commitment optimization problem.  ...  Unit commitment by Lagrangian relaxation and genetic algorithms. IEEE transactions 24 [15] Kamboj VK. A novel hybrid PSO-GWO approach for unit commitment problem.  ... 
doi:10.3906/elk-2004-144 fatcat:reqsvn4dbvapnbr7llqxdxjnne

The Improved Binary-Real Coded Shuffled Frog Leaping Algorithm for Solving Short-Term Hydropower Generation Scheduling Problem in Large Hydropower Station

Zhe Yang, Kan Yang, Lyuwen Su, Hu Hu
2018 Mathematical Problems in Engineering  
The short-term hydro generation scheduling (STHGS) decomposed into unit commitment (UC) and economic load dispatch (ELD) subproblems is complicated problem with integer optimization, which has characteristics  ...  the rivals to get higher precision solution with improving the utilization rate of waterpower resources.  ...  Conclusions In this paper, an improved binary-real coded SFLA (IBR-SFLA) is proposed for solving the STHGS problem for large scale hydropower station.  ... 
doi:10.1155/2018/3726274 fatcat:xalvybiamjcsfbnjpqjy6jxada

A hybrid meta-heuristic method for unit commitment considering flexible charging and discharging of plug-in electric vehicles

Zhile Yang, Kang Li, Xiandong Xu
2016 2016 IEEE Congress on Evolutionary Computation (CEC)  
In Case 1, the algorithm is tested in an original 10-unit commitment problem to illustrate the impact of transfer functions on the scheduling results of the UC problem without PEVs. 8 variants of BPSO  ...  unit commitment results.  ... 
doi:10.1109/cec.2016.7744035 dblp:conf/cec/YangLX16 fatcat:g5cmtorlnzhhbhbipugcjzygqi
« Previous Showing results 1 — 15 out of 9,644 results