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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Ravishankar, U. Manic, M. |
| Copyright Year | 2012 |
| Description | Author affiliation: Computer Science Dept., University of Idaho, Falls, USA (Manic, M.) || Electrical and Computer Engineering Dept., University of Idaho, Falls, USA (Ravishankar, U.) |
| Abstract | This paper presents the development of a new neural network based optimizer called the Adaptive Critic Learning Agent (ACLA) algorithm. The ACLA algorithm is based on the traditional Adaptive Critic Design (ACD) algorithm and hence its name. Conventional neural network based optimizers use the principle of Hopfield/Tank Neural Networks (HTNN) to solve unimodal optimization problems. These neural networks require tailored structures for the specific optimization problem. The ACLA algorithm presented in this paper uses a general randomly initialized neural network to solve any unimodal optimization problem. This is achieved by extending the principles of the traditional ACD algorithm for the ACLA algorithm. Other attributes of the ACLA algorithm are related to the issues with swarm based optimizers such as Particle Swarm Optimization (PSO) and Genetic Algorithms (GA). These issues are: 1) large memory requirements and 2) multiple parameters required to tune the algorithm's convergence performance. The ACLA algorithm resolves these issues by: 1) using only one neuron to reduce memory requirements and 2) using only a single learning coefficient parameter to tune the algorithm's convergence performance. The ACLA algorithm was tested and compared with three swarm based optimizers on two unimodal benchmark problems typically used for PSO and GA algorithms. Test results proved the ACLA algorithm to converge to solutions 7 orders greater than the swarm based algorithms. The ACLA algorithm was further tested on two multimodal benchmark problems to demonstrate its capability to converge to nearest local minima. |
| Starting Page | 1 |
| Ending Page | 7 |
| File Size | 1307087 |
| Page Count | 7 |
| File Format | |
| ISBN | 9781467314886 |
| ISSN | 21614393 |
| e-ISBN | 9781467314909 |
| e-ISBN | 9781467314893 |
| DOI | 10.1109/IJCNN.2012.6252475 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2012-06-10 |
| Publisher Place | Australia |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Optimization Biological neural networks Algorithm design and analysis Equations Benchmark testing Mathematical model Swarm Intelligence Adaptive Critic Design Neural Networks |
| Content Type | Text |
| Resource Type | Article |
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