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The semantic combines 6 basic elements: HEADER, SUBJECT, CONCEPT, OBSERVED PROPERTY, POINT OF MEASUREMENT and VALUE to represent a unique reality.
HEADER identifies the message in origin, (destination), time of reference for the message and unique reference.
SUBJECT (who) is the entity that is doing or being the CONCEPT.
CONCEPT (what is-does) refers always to a particular subject (or subject-subsystem) specifying what the subject is (status) or does (action-event)
OBSERVED PROPERTY (how much) is the magnitude of the concept (status, pieces, length, volume, weight, energy, time, speed, power, duration, acceleration…) represented in the value.
POINT OF MEASUREMENT (where) defines where in place and time (past, present, future) the value representing the concept observed property of the subject is measured and represented.
VALUE is the actual measured result for a specific combination of time of measurement + subject + concept + observed property + point of measurement. The same value can be represented in several units.
The combination of a SUBJECT with multiple combinations of CONCEPTs, OBSERVED PROPERTies and POINT OF MEASUREMENTs give us a unique meaning of a VALUE.
TIC 4.0 aims to define each of these elements.
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The Data Set is just the database that contains the well-defined by TIC 4.0 list of data (a piece of reality). We represent this data as a combination of subject+concept+observed property, indicating what possible point of measurements and units are valid.
Data: represented in a flat format
Subject: including subject and sub-subjects
Concept: represented by the concept id
Observed Property (Obs Property)
Point of Measurement (PoM)
Value: possible units to be used for the data representation
Link to the definition: hyperlink to the definition template for each component of the data.
Workflow status (status): what is the status within the TIC 4.0 workflow
Version: expressed in “year.version”
Release: date of realising in “yyyymmdd” format
Short Description: for a fast understanding of the data. This short definition is not enough to fully understand the data.
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Following the semantic web standard (subject: object) the model has 3 main components: header, asset description and measurement.
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SUBJECT creates the hierarchy tree structure (we have sub-subjects) that helps to identify the boundary of the value. The hierarchy is fixed by TIC 4.0 for each kind of subject (CHE, TOS, Terminal) and can mix any type of subjects (e.g. machine.process = che.move). The subjects conform to an array defined by the (concept) metadata so many subjects identical but with different metadata (id or name or location or…) can be sent in the same message. (1 message with several CHEs or one CHE with several spreaders).
The CONCEPT'smetadata defines “what is” and the CONCEPT“what does”. Both are flat (no hierarchy, no arrays) and we can use as many as necessary. Also, two concepts can be combined with “and” or “or” creating a new concept that in fact is the condition that makes both true. E.g. “hoisting_and_trolleying” that represents the action of hoisting and trolleying at the same time (both statuses must be true).
OBSERVED PROPERTies define the magnitudes of the CONCEPT, are flat (no hierarchy) and can be used as many times as necessary per CONCEPT.
For each OBSERVED PROPERTies an array created by the combination of the different POINT OF MEASUREMENTs in time (actual, estimated, etc), place (input, iinput, ioutput, output), timestamps and the differents Units will give an array (a list) of VALUEs. The array could be as long as necessary per each message. The length will depend on the relation between the data frequency and the message frequency and also the amount of different POINT OF MEASUREMENTs that need to be represented.
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The subject definitions are referring to the TIC4.0 semantic: SUBJECT (who) is the entity that is doing or being the CONCEPT.
In this 2021.1 we use a complete set of draft definitions subjects for CHE (physical devices) that are listed in the https://tic40.atlassian.net/l/c/FxmCAXxr but only 3 are completely ready for publication.
https://tic40.atlassian.net/l/c/mfS1hwE9
Release | Nº | Definition | Link | Short Description |
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2021.1 | 1 |
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CHEs is any machine designed to move (transport or lift) any cargo (including containers) from one location to another. | |||
2021.1 | 2 |
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Concepts
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A machine designed to convert energy into useful mechanical motion | ||||
2021.1 | 3 | Tank used to store the Diesel Exhaust Fluid |
Concepts
The 2021.1 release includes the most relevant concepts for a CHE activity that represents the most important states, i.e. if it is “on”, “off”, “working” or “idle”. But these can be used for any subject including a process. Besides these “status” concepts a relevant set of definitions has been publish for the PowerSource (engine) also valid for any kind of “engine” regardless of the type. We invite you to have a look at the https://tic40.atlassian.net/l/c/FxmCAXxr or if you prefer at the CHE JSON data model 2021.1 that includes the road map 2021 for any CHE.
Please find the 22 definitions through the links below:
Release | Nº | Definition | Link | Short Description |
|---|---|---|---|---|
2021.1 | 4 |
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If the main power supply and all subject systems are able to operate (do the job it has been designed for) the subject in less than 5 seconds requiring no more (a maximum) than one (not a sequence) operator action then TRUE else FALSE | |||
2021.1 | 5 |
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If the main power supply and all subject systems are not ready to operate (do the job it has been designed for) the subject in less than 5 seconds or requires more than one operation action (a sequence) then TRUE else FALSE | |||
2021.1 | 6 |
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If the subject is “On” [If the main power supply and all subject systems are able to operate (do the job it has been designed for) the subject in less than 5 seconds requiring no more (a maximum) than one (not a sequence) operator action] but any (at least one) of them (power supply or subject system) is not currently ready then TRUE else FALSE | ||||
2021.1 | 7 | If the main power supply system and all subject systems are currently ready to operate (do the job it has been designed for) and no operator action is required (to be ready) then TRUE else FALSE | ||
2021.1 | 8 | Situation while the subject is “On” and [receiving any input (order, instruction, signal) regardless of the origin (local or remote, manual or automatic) to execute any action (to do something the subject was designed for) or/and it is currently executing any output (operational) movement]. | ||
2021.1 | 9 | Situation while the subject is “On” and [not receiving any input (order, instruction, signal) regardless of the origin (local or remote, manual or automatic) to execute any action (to do something the machine was designed for) and it is not currently executing any output (operational) movement] | ||
2021.1 | 10 | A subject is said to be in stability if, when displaced from equilibrium (while is idle for static stability and considering the inertia for dynamic stability), it experiences a net force or torque in a direction opposite to the direction of the displacement. | ||
2021.1 | 11 | Status referring to subjects with mobile components when the subject is idling and their components move at the minimum rpm-speed to keep it running without do any output job. | ||
2021.1 | 12 |
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Status referring to subjects with mobile components when the subject is working and the internal components have enough rpm-speed to keep it running doing the job it was designed for. | ||||
2021.1 | 13 | Subject internal components are not moving. The main indicator of movement are the RPM. | ||
2021.1 | 14 |
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2021.1 | 25 |