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A multi-objective Spiral Dynamic algorithm and its application for PD design

Ahmad Nor Kasruddin, Nasir and Mohd Ashraf, Ahmad and A. R.A., Azwan and Mohd Falfazli, Mat Jusof (2017) A multi-objective Spiral Dynamic algorithm and its application for PD design. In: 8th IEEE Control and System Graduate Research Colloquium, ICSGRC 2017, 4-5 August 2017 , Shah Alam, Malaysia. pp. 1-6.. ISBN 978-153860380-2

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This paper presents a novel multi-objective Spiral Dynamic Optimization (MOSDA) algorithm. It is an extended version of a single objective type SDA. A Non-dominated sorting (NS) approach from Non-dominated Sorting Genetic Algorithm II (NSGAII) is adopted into SDA to develop its multi-objective (MO) type algorithm. SDA has a good elitism strategy and a simple structure. On the other hand, NS is a fast strategy to develop good Pareto Front (PF) characteristics for MO type algorithm. The proposed algorithm is tested with various benchmark functions used to test a newly developed MO algorithm. A PF graph is presented as a result of the test. Moreover, it is adopted to optimize parameters of Proportional- Derivative (PD) controller for an Inverted Pendulum (IP) system. Time-domain response of the IP is presented to show performance of the optimized controller. Result presented in this paper shows that MOSDA has a better performance in terms of finding PF and solution spread when tested with benchmark functions compared to NSGAII. In terms of its application in solving a real problem, both algorithms successfully optimize the PD and control the system very well. IP controlled by MOSDA- based PD shows better rise time.

Item Type: Conference or Workshop Item (Speech)
Additional Information: Indexed by Scopus
Uncontrolled Keywords: Multi-objective algorithm; Spiral dynamic algorithm; Inverted pendulum; PD controller
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
Faculty/Division: Faculty of Electrical & Electronic Engineering
Depositing User: Mr. Ahmad Nor Kasruddin Nasir
Date Deposited: 20 Jul 2018 02:27
Last Modified: 20 Jul 2018 02:27
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