Overview
ISO 18629-14:2006 - part of the Process Specification Language (PSL) family - defines the resource theories used to represent resources in computer-interpretable manufacturing process descriptions. This part provides an axiomatized, semantic specification of core resource concepts: how resources and activities relate, how resource sets are described, and how additive quantities (e.g., amounts, capacities) are modeled. ISO 18629-14 is intended to improve interoperability of process models across MES, ERP and engineering tools by giving a formal lexicon and informal semantics for resource-related terminology.
Key topics and technical content
- Resource concepts and roles
- Formal representation of resource, resource role, resource_point and relationships such as requires between activities and resources.
- Resource Requirements theory
- Primitive relations and functions, defined relations, definitions and axioms that express constraints between activities and required resources (e.g., demand, agg_demand).
- Resource Set theory
- Mechanisms to define resource_set, membership (in_resource_set), subset relations, and axioms governing set behavior.
- Additive Quantities theory
- Primitive categories and functions for quantitative measures, including additive properties, operations like plus, and constants such as zero_quantity; axioms for ordering and addition (e.g., greater).
- Formal semantics and axiomatization
- Uses a combination of PSL-Core, definitional extensions and formal axioms to ensure clear interpretation of resource-related terms.
- Normative references & encoding
- References ISO 18629 parts (PSL-core, outer core), and ISO/IEC 8824-1 (ASN.1) for identifier conventions (Annex A).
Practical applications
- Standardized modelling of resource requirements in:
- Manufacturing process engineering and planning
- MES/ERP data exchange and integration
- Capacity planning, scheduling and resource allocation tools
- Simulation and digital factory models
- Enables consistent, machine-interpretable descriptions that facilitate interoperability, automated reasoning about resource constraints, and cross-vendor data exchange.
Who should use it
- Industrial automation architects and systems integrators
- MES, ERP and production-planning software developers
- Process modelers, ontology engineers and digital manufacturing specialists
- Standards bodies and implementers seeking consistent PSL resource semantics
Related standards
Keywords: ISO 18629-14, Process Specification Language, PSL, resource theories, industrial automation, resource sets, additive quantities, manufacturing interoperability.
Open preview (PDF)Industrial automation systems and integration — Process specification language — Part 14: Resource theories
