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The multi-objective optimisation design for a light guide rod

Author

Listed:
  • Yu-Sen Yang
  • Chun-Yao Shih
  • Hong-Yao Chien
  • Rong-Fong Fung

Abstract

The light guide rod (LGR) has been popularly used for the vehicles, and the automobile lamp industries need mass production to match this trend. This paper aims to develop a systemic way to find the best parameters' combination for the LGR, and the parameters are usually restricted (existing October 11, 2012) to some levels and random values. In this paper, the LGR example with two optical performances of illuminance flux and uniformity is to be optimised by use of the real-coded genetic algorithm (RGA) and grey relational analysis (GRA). The illuminance flux and uniformity of the best parameters' combination are obtained and compared with the initial set. Comparisons with Taguchi-Grey can improve 5% of gain and comparisons with Pareto genetic algorithm (PaGA) can improve 1.7% of gain. The combined multi-objective optimisation can save 7% time and it is found that the new proposed method has positive gains in performances.

Suggested Citation

  • Yu-Sen Yang & Chun-Yao Shih & Hong-Yao Chien & Rong-Fong Fung, 2015. "The multi-objective optimisation design for a light guide rod," International Journal of Industrial and Systems Engineering, Inderscience Enterprises Ltd, vol. 20(2), pages 165-179.
    • Handle: RePEc:ids:ijisen:v:20:y:2015:i:2:p:165-179
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