Power Cyber-Physical System Risk Area Prediction Using Dependent Markov Chain and Improved Grey Wolf Optimization. - Zhaoyang Qu; Qianhui Xie; Yuqing Liu; Yang Li 011; Lei Wang 132; Pengcheng Xu 006; Yuguang Zhou; Jian Sun 033; Kai Xue; Mingshi Cui (IEEE Access, 2020)