tailieunhanh - Báo cáo hóa học: " Research Article Building Flexible Manufacturing Systems Based on Peer-Its"

Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành hóa học dành cho các bạn yêu hóa học tham khảo đề tài: Research Article Building Flexible Manufacturing Systems Based on Peer-Its | Hindawi Publishing Corporation EURASIP Journal on Embedded Systems Volume 2008 Article ID 267560 15 pages doi 2008 267560 Research Article Building Flexible Manufacturing Systems Based on Peer-Its A. Ferscha 1 M. Hechinger 1 M. dos Santos Rocha 2 R. Mayrhofer 1 A. Zeidler 2 A. Riener 1 and M. Franz2 1 Institute for Pervasive Computing Johannes Kepler University Linz Altenbergerstrasse 69 4040 Linz Austria 2SiemensAG Corporate Technology Software Engineering Architecture CTSE2 Otto-Hahn-Ring 6 81730 Munich Germany Correspondence should be addressed to A. Ferscha Received 14 February 2007 Accepted 9 September 2007 Recommended by Valeriy Vyatkin Peer-to-peer computing principles have started to pervade into mechanical control systems inducing a paradigm shift from centralized to autonomic control. We have developed a self-contained miniaturized universal and scalable peer-to-peer based hardware-software system the peer-it platform to serve as a stick-on computer solution to raise real-world artefacts like for example machines tools or appliances towards technology-rich autonomous self-induced and context-aware peers operating as spontaneously interacting ensembles. The peer-it platform integrates sensor actuator and wireless communication facilities on the hardware level with an object-oriented component-based coordination framework at the software level thus providing a generic platform for sensing computing controlling and communication on a large scale. The physical appearance of a peer-it supports pinning it to real-world artefacts while at the same time integrating those artefacts into a mobile ad hoc network of peers. Peer-it networks thus represent ensembles of coordinated artefacts exhibiting features of autonomy like self-management at the node level and self-organization at the network level. We demonstrate how the peer-it system implements the desired flexibility in automated manufacturing systems to react in the case of changes