Throughput Optimization In Robotic Cells With Input And Output Machine Buffers
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Throughput Optimization in Robotic Cells with Input and Output Machine Buffers
We consider the problem of scheduling operations in a robotic cell processing a single part type. Each machine in the cell has a one-unit input buffer and a one-unit output buffer. The machines and buffers are served by one single gripper robot. The domain considered is free-pickup cells with additive intermachine travel time. The processing constraints specify the cell to be a flow shop. The objective is to find a cyclic sequence of robot moves that minimizes the long-run average time to produce a part or, equivalently, maximizes throughput. Bufferless robotic cells have been studied extensively in the literature. However, the few studies of robotic cells with output buffers at each machine have shown that the throughput can be improved by such a configuration. We show that there is no throughput advantage in providing machine input buffers in addition to output buffers. The equivalence in throughput between the two models has significant practical implications, since the cost of providing additional buffers at each machine is substantial.
Throughput Optimization in Robotic Cells
Author: Milind W. Dawande
language: en
Publisher: Springer Science & Business Media
Release Date: 2007-05-04
Throughput Optimization In Robotic Cells provides practitioners, researchers, and students with up-to-date algorithmic results on sequencing of robot moves and scheduling of parts in robotic cells. It brings together the structural results developed over the last 25 years for the various realistic models of robotic cells. This book is ideally suited for use in a graduate course or a research seminar on robotic cells.
Sustainable Automated Production Systems
Due to disruptions occurring within production processes as a result of different circumstances, it is necessary to provide a new and safe production system that can be resilient to cope with any crisis, such as a pandemic. New sustainable automated production systems need to be proposed and adopted by industrial managers and this book fulfills that need. Sustainable Automated Production Systems: Industry 4.0 Models and Techniques includes the modern technologies of Industry 4.0 and discusses automated systems, robotic production, sustainable automation, production process automation, and the use of IoT in production. It goes over the circular economy and automated production processes and presents theories and practices associated with mathematical models of process automation in sustainable production. The book also investigates how sustainability in automated production systems using the IoT can present unique circumstances when pandemics or other disruptions are involved. The book includes chapters presenting sustainable production models and automated production using Industry 4.0 technologies and is targeted to help both practitioners and academics.