The Design of a Modified PSO Guidance Law Using Predictor and LOS Rate Evaluation Yung-Lung Lee, Kuei-Yi Chen, Yi-Wei Chen, Yen-Bin Chen and Sheng-Ju Liao MATEC Web Conf., 71 (2016) 02001 Published online: 02 August 2016 DOI: 10.1051/matecconf/20167102001