Abstract
The comparative optimizing efficiency of particle swarm optimization (PSO) and simplex particle swarm optimization (Simplex-PSO) method is explored in this work. A CMOS operational amplifier (Op-Amp) with low voltage has been optimized using this method. The concept of PSO is based on communal manner of bird flocking. PSO suffers from stagnation problem and premature convergence. Nelder–Mead simplex method (NMSM) is hybridized with PSO to produce simplex-PSO. Simplex-PSO is very fast and efficient optimization technique. Simplex-PSO gives high accuracy in terms of computational complexity. The main idea is to reduce the overall circuit’s area of low-voltage CMOS op-amp. PSO and simplex-PSO based optimized results are verified by SPICE. SPICE-based results demonstrate that the design and essential specifications are approximately reached. Simplex-PSO shows the better optimizing efficiency than PSO for the designed circuit.
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Maji, K.B., Kar, R., Mandal, D., Prasanthi, B., Ghoshal, S.P. (2019). Design of Low-Voltage CMOS Op-Amp Using Evolutionary Optimization Techniques. In: Bhatia, S., Tiwari, S., Mishra, K., Trivedi, M. (eds) Advances in Computer Communication and Computational Sciences. Advances in Intelligent Systems and Computing, vol 759. Springer, Singapore. https://doi.org/10.1007/978-981-13-0341-8_24
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DOI: https://doi.org/10.1007/978-981-13-0341-8_24
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