The influence of random slowdown process and lock-step effect on the fundamental diagram of the nonlinear pedestrian dynamics: An estimating-correction cellular automaton. - Zhijian Fu; Xiaodong Zhou; Yanqiu Chen; Junhui Gong; Fei Peng; Zidan Yan; Taolin Zhang 002; Lizhong Yang (Commun. Nonlinear Sci. Numer. Simul., 2015)