26-04-06 17:54
Age: 2 yrs

BY: HARRISON, MARK; MCFARLANE, DUNCAN

The Physical Markup Language (PML) is an XML Schema for representing information about products. This paper describes some of the structure and functionality of a PML server in general terms and reports the ongoing development of a prototype PML Server at the Cambridge (UK) lab of the Auto-ID Centre, in order to store information about objects, batch orders and manufacturing recipes and to make this information available to an Auto-ID enabled robotic manufacturing environment. We report firstly on our initial PML server developments for the Phase 1 robot manufacturing demonstration which used a conventional control system. For the Phase 2 demonstration with holonic control and batch orders, we completely redesigned our prototype PML server to handle much more generic query and update methods aligned more closely with XML query standards.

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