组合分拣线优先轮询控制机理-JMM.docVIP

Combination of the sorting line priority polling control mechanism Wenxue. Ran Department of communication and information, Yunnan University, Kunming, China Department of Logistics, Yunnan University of Finance and Economics, Kunming, China Email:ranwxa@ Xinling. Shi and Li. Liu Department of communication and information, Yunnan University, Kunming, China Department of Logistics, Yunnan University of Finance and Economics, Kunming, China Email:liuli.2008.9@163.com Abstract—This paper puts forward the priority polling control mechanism of the unit material combinations picking lines, pickers operating process is understood to be the arrival process of orders, service process of each picker picks orders and the conversion process between picking machines. The control process, pickers of the combined picking lines are divided into the priority pickers and ordinary pickers, priority pickers use full service control, ordinary pickers use limited service (k = 1), applies the polling service system theory, through the embedded Markov chain and probability generating function to establish the mathematical model of the system, the exact solution of the control mechanism of the polling system model and the first and second characteristic parameters, combined with the actual production priority parameters of orders picking for simulation analysis. Index Terms—order picking; polling mechanism; secondary priority polling I. Introduction The high efficiency is one of the goals of modern logistics technology. Orders automated picking system technology is an important part of the modern logistics technology, but also the necessary infrastructure of modern circulation system, in particular the urgent need for development of electronic commerce. With the manufacturing technology, electronics technology, control technology, computer technology, information technology, advanced management theory development, technology of orders for automated picking system needs to