Keming Xie Zehua Chen 0001 Gang Xie 0001 The design and simulation of fuzzy controller based on rough sets theory. 1366-1370 2004 conf/smc/2004 SMC (2) https://doi.org/10.1109/ICSMC.2004.1399816 db/conf/smc/smc2004-2.html#XieCX04