Wolters, M.

order algorithm warehouse travel time aisle number travel situation route batch s-shape table seed algorithms strategy seed order saving result erence clarke distance erent cient wright cluster capacity seed rule heuristic depot koster seed selection rule figure batching order-additio n rules performance combination orderbatching ® rst di erences problem picker orderpicking selection example method ethod section process warehouse 1 calculation elsayed warehousing orderpicker di erence addition order sizes research savings algorithms cumulative-seed rule production research replication location seed-selection centre storage seed selection rules distribution value signi ® cantly di erent algorithms warehouse 1 s-shape warehousing situations single-seed rule outperf dditional wright algorithm system savings matrix seed algorithm otterdam dditional aisle