Topics
latest update: 2023-01-24 
(NOTE: 
or 
means added or revised in the last 30 days)
author: Hans Teijgeler
"We can't solve problems by using the same kind of thinking we used when we created them." -Albert Einstein
| revised 20211219 | revised 20210815 |
| Tutorial, detailing 'ISO 15926 on a page' |
revised 20230120
| Portal | Latest update |
| ISO 15926 Portal- An overview with references to topics below (and others) | 17 May 2021 |
| Management Summary | |
| Management Summary about ISO 15926 - A summary in 644 words, highlighting what it is about | 12 Oct. 2022 |
| Data and Information - How data are being grouped to represent information | 12 Oct. 2022 |
| Data Model | |
| ISO 15926-2 Foundation Model - an ISO-standard, highly generic, data model with 201 entity types that is the Top Level Ontology of ISO 15926 | 29 Mar 2015 |
| ISO 15926-2 Model in Turtle format - where the Foundation Model is in Express format, here is the result of a mapping to Turtle | 17 May 2021 |
| ISO 15926-2 model extensions - some entity types, like Person, Organization, were not listed in ISO 15926-2 because of space reasons and are added here | 25 Sept 2022 |
| ISO 15926-2 cheat sheet - another presentation of the ISO 15926-2 data model, inclusive the proposed extensions thereof | 25 Sept 2022 |
| Possible Worlds - how modal logic is avoided, an essential prerequisite for a Digital Twin | 26 April 2018 |
| Temporal Parts - a cornerstone of ISO 15926 for life-cycle information integration | 12 Oct. 2022 |
| About Cardinalities - The difference in cardinality definition is explained and how this is has been "repaired" | 25 Apr. 2022 |
| Ontologies - There are three locations in the ISO 15926 stack where an ontology can be built, as an extension of the two ISO 15926-2 Upper Ontologies | 25 Apr. 2022 |
| Templates as ontologies - templates are small ontologies, based on the Upper Ontology defined in ISO 15926-2 - from concept to implementation | 18 Oct. 2022 |
| Object Models and the RDL - An example of how to build object models in the RDL (this has not been done so far) | 18 Oct. 2022 |
| Life cycle of a Class- where a Class is eternal, its applicability is not always that, a way to describe the "life cycle" of a (Part 2) Class | 18 Oct. 2022 |
| Reference Data | |
| Reference Data - overview - The Reference Data Library, based on ISO 15926-4, stores concepts that are widely used in the user community. | 19 Oct. 2022 |
| How does pump P-101 fit in? - An example of how the proverbial pump P-101 fits in ISO 15926-2, -4. and -7. | 11 Jan 2021 |
| How do Instruments and Controls fit in? - Instrumentation has many functions; this topic shows how this is handled in the RDL | 20 Oct. 2022 |
| Templates | |
| Templates - an introduction - the concept of templates, as defined in ISO 15926-7 and -8, is discussed briefly | 21 Oct. 2022 |
| Symbols for graphs - the symbols, as used in the Template Specifications, are explained here. | 1 Nov. 2022 |
| Redefinition of the Template Model - a proposal for the replacement of the flawed template model in ISO 15926-8. | 22 Oct. 2022 |
| Methodology for Template Selection - a decision tree for an SME (Subject Matter Expert) to select the applicable ISO 15926 template. | 1 Nov. 2022 |
| Templates for Activity - activity models are used to describe processes and also human activities | 11 April 2022 |
| Templates for Documents - a set of templates that cover the many variables related to modeling documents and information | 23 Oct. 2022 |
| Modeling | |
| Declaring an object - It is mandatory to declare all things, except Literals, in this part of ISO 15926. This is telling how | 12 Dec.2022 |
| About Bare Pumps and Pump Systems - A modelling example to solve the ambiguity. |
24 Jan.2023 |
| Effectivity and Deprecation - shows how the beginning and ending of the validity of information is implemented. | 4 Nov. 2022 |
| Inverse properties for inheritance and performance - the advantages of adding InverseProperties are being discussed. | 11 Nov. 2022 |
| Classes and Individuals - A deep specialization leads to Asset Requirements Classes. |
14 Jan. 2023 |
| Process Design - the "cradle" of the plant life cycle. | 30 Oct. 2022 |
| Plant Life-cycle Model - a "back bone" model of all typical placeholders of plant life-cycle information | 24 Oct. 2022 |
| LSN (Life-cycle Stages Network) - a representation of the Plant Life-cycle Model in ISO 15926-7/8 templates. This is, for each plant item, the skeleton for its life-cycle information |
8 Jan.2023 |
| Modes Of Operation - How to model situations where equipment or systems are to be used for more than one type of operation. . | 3 Oct 2022 |
| The role of functional objects - the rationale for having them as intended physical-objects. | 9 Oct 2022 |
| Functional vs Physical Object - how a physical object gets its function defined. | 31 Mar 2019 |
| Document Types and DocumentDefinition - with a DocumentDefinition the required contents type can be defined for one or more Document Types. | 1 Nov. 2022 |
| Breakdown Structures - Activity Breakdown Structure (ABS), Function Breakdown Structure (FBS), Work Breakdown Structure (WBS), and Organization Breakdown Structure (OBS). | 12 Apr. 2022 |
| Catalog options - in product catalogs we often see "options" | 12 Oct. 2022 |
| Equations and Variables - detailed explanation about how an equation for a Unit Operation can be modeled and how data can be linked to variables in that equation. | 11 Nov 2018 |
| Mapping | |
| TP+P Method - A mapping where temporal parts involved in user-defined Predicates that are subProperties of standardized Predicates | 6 Nov 2022 |
| Comparing TP+P Method with Templates - A detailed comparison between the TP+P Method and using Templates is presented. | 22 Dec. 2022 |
| About Addresses - Some thoughts about addressing plant items | 12 Mar 2022 |
| Mapping of a P&ID - Piping & Instrument Diagrams are the core documents of any plant; the mapping of an example is discussed | 12 Oct. 2022 |
| Mapping of a P&ID - Alternative Method - The same example P&ID is mapped to an alternative method described | 19 Sept 2022 |
| Mapping of a functional design of a control loop - functional design of a control loop is based on instances of FunctionalObject that are indirectly connected by signals. | 31 Oct. 2022 |
| Mapping of a Line List - using a number of templates a complete mapping of a Line List has been detailed. | 1 June 2019 |
| Mapping of a Line List - Alternative Method - The same example Line List is mapped to an alternative method described here | 1 Nov. 2022 |
| Mapping of structured documents - a document model is completely detailed. | 3 Nov. 2022 |
| The role of the (Asset) Requirements Class - All requirements are classes of which the TAG is a member and of which the implementing real-world EQUIPMENT shall be a member. | 3 Nov. 2022 |
| Mixing data and documents - this topic gives, at a conceptual level, a solution for the integration of data, that are being mapped, and documents. | 4 Nov.2022 |
| Background Information | |
| Part 8 compliance - this topic shows that the implementation of ISO 15926-8, as set forth in the Topics on this website, is in line with same Part 8. | 6 Nov. 2022 |
| Acronyms for Part 2 entity types - although not much in use anymore, here they are for the tenacious few | 19 May 2015 |
| Implementation | |
| A possible configuration - an example configuration for "Integration, sharing, exchange, and hand-over of distributed Plant Lifecycle Information". | 6 Nov. 2022 |
| SHACL Portal - a portal to the contents of W3C Recommendation "Shapes Constraint Language (SHACL)" | 16 Nov. 2022 |
| Validating RDF data with SHACL - a first attempt to apply the new W3C Recommendation "Shapes Constraint Language (SHACL)" to validate ISO 15926-7/8 data. | 11 Nov. 2022 |
| Querying with SPARQL - in this topic a number of queries will be demonstrated. | 20 April 2014 |