Table 1 Ontology used for system and product definitions.
production module | The physical resource (controlled by a production agent) providing specific capabilities to the factory. |
production agent | A production module represented in the MAS by an agent, and that is in charge of management of the resources |
order | Identified by a unique ID, it contains order items, and attributes like customer, order date, etc. |
order item | Specific to a product type and to the ordered amount. It can include attributes like unit price, overall price, customized parameters, and priority. |
product-type | Representative for a specific group of products that share the same production plan. |
product-type graph | Hierarchical description, in form of a graph, of the physical composition of a product type without including information about how it is produced. |
production plan | Template of operations and their relationships describing how a product type is manufactured. Conveniently represented as a graph. |
operation | Action executed by production modules. |
production item | At scheduling time, every piece of the order item is transferred to a production item that represents the individual product (quantity=1). |
component | Atomic parts which a product is made of. Identified by a set of attributes such as name, type and material, geometry. |
