Fang He Yueting Chen Shouhua Zhao Application of Fuzzy Control in the Stacker Crane of an AS/RS. 508-512 2008 FSKD (3) http://dx.doi.org/10.1109/FSKD.2008.177 conf/fskd/2008-3 db/conf/fskd/fskd2008-3.html#HeCZ08