Abstract:Abstract-BatAlgorithm is a recently-developed method in the field of computational intelligence. In this paper is presented an improved version of a Bat Meta-heuristic Algorithm, (IBACH), for solving integer programming problems. The proposed algorithm uses chaotic behaviour to generate a candidate solution in behaviors similar to acoustic monophony. Numerical results show that the IBACH is able to obtain the optimal results in comparison to traditional methods (branch and bound), particle swarm optimization a… Show more
“…Among other applications, fuzzy mathematics based BA is practiced with dynamic selection of parameters while execution (Perez, et al, 2015). Chaotic BAs are exploited by some researchers in various works (Lin, et al, 2012);(Abdel-Raouf, et al, 2014); (Gandomi & Yang, 2014). Ref.…”
Percentage Utilization of Machines is considered as an important production factor for manufacturing Cell Formation Problem (CFP) in Cellular Manufacturing (CM). This recently developed concept correctly emphasize ration data in context of CM. In this paper, a utilization based bi-objective mathematical model is developed, which minimizes the total machine utilization induced by bottleneck machines and number of voids. Thereafter, a new data generating algorithm is introduced. The abovementioned bi-objective CFP is solved using a Non-Dominated Sorting Bat Algorithm (NSBA), which is compared with published Multi-Objective Bat Algorithm (MOBA) successfully. Statistical tests are conducted and data consistency is confirmed on obtained results. The computational experiments depict that the Pareto solutions of NSBA are 35.7% improved. The contribution of this research is threefold. First, an accurate bi-objective mathematical expression is developed for utilization based CFPs. Second, a novel data generating algorithm is stated. Third, NSBA technique is successfully tested.
“…Among other applications, fuzzy mathematics based BA is practiced with dynamic selection of parameters while execution (Perez, et al, 2015). Chaotic BAs are exploited by some researchers in various works (Lin, et al, 2012);(Abdel-Raouf, et al, 2014); (Gandomi & Yang, 2014). Ref.…”
Percentage Utilization of Machines is considered as an important production factor for manufacturing Cell Formation Problem (CFP) in Cellular Manufacturing (CM). This recently developed concept correctly emphasize ration data in context of CM. In this paper, a utilization based bi-objective mathematical model is developed, which minimizes the total machine utilization induced by bottleneck machines and number of voids. Thereafter, a new data generating algorithm is introduced. The abovementioned bi-objective CFP is solved using a Non-Dominated Sorting Bat Algorithm (NSBA), which is compared with published Multi-Objective Bat Algorithm (MOBA) successfully. Statistical tests are conducted and data consistency is confirmed on obtained results. The computational experiments depict that the Pareto solutions of NSBA are 35.7% improved. The contribution of this research is threefold. First, an accurate bi-objective mathematical expression is developed for utilization based CFPs. Second, a novel data generating algorithm is stated. Third, NSBA technique is successfully tested.
“…Marichelvam et al [18,19] introduced the smallest position value (SPV) rule to transform the continuous position into discrete process sequences in BA for solving mixed flow shop scheduling problem. Abdel-Raouf et al [1] proposed an improved chaotic bat algorithm for solving integer programming problems. They use a chaotic map to replace the random number , and change the velocity function.…”
Bat algorithm is an effective swarm intelligence optimization algorithm which is widely used to solve continuous optimization problems. But it still has some limitations in search process and can’t solve discrete optimization problems directly. Therefore, this paper introduces an unordered pair and proposes an unordered pair bat algorithm (UPBA) to make it more suitable for solving symmetric discrete traveling salesman problems. To verify the effectiveness of this method, the algorithm has been tested on 23 symmetric benchmarks and compared its performance with other algorithms. The results have shown that the proposed UPBA outperforms all the other alternatives significantly in most cases.
“…In the full darkness, bat has a skill to discover its prey and diagnoses different kinds of insects. In most of the cases they exploit, short frequency signals to evaluate the object [29].…”
Abstract-In the field of database administration query optimization is one of the refinement processes. In recent years, huge volumes of data are flooded from different resources, which make query optimization, a difficult task for the researchers. In the crowd sourcing, environment query optimization is the biggest problem. The client is simply required to post an SQL-like subject, and the framework assumes the main issue of organizing the inquiry; execution setup is generated and in the crowd sourcing market places the evaluation plan evaluated. In order to retrieve data fast and reduce query processing time, Query optimization is badly required. In order to optimize the queries, Meta heuristic techniques are used. In this proposed paper, preprocessing method is used to mine the information from the Crowd. The Original population based ABC algorithm has low convergence speed. In this paper a novel A-BAT algorithm is proposed, which highly improve convergence speed, accuracy and Latency. This algorithm uses a Random walk phase. The proposed algorithm had better optimization accuracy, convergence rate, and robustness.
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