measurement/measurement_chain-0.1.0¶
Schema that describes a measurement_chain
Description
A measurement chain describes the different steps that are performed to acquire experimental data. It collects all
relevant information about the initial source signal and the involved transformations. In this schema, the fundamental
data representation of the measurement chain is a directed graph with the signals being the nodes and the
transformations being the edges.
Outline
Schema Definitions ¶
This type is an object with the following properties:
- name
string Required The name of the measurement chain.No length restriction - data_source
asdf://weldx.bam.de/weldx/tags/measurement/source-0.1.* Required The source that generates the first signal and is the first element of the chain. - graph
object Required The measurement chain depicted by a graph. Signals are represented by the nodes and transformations by the edges.This node must validate against all of the following:
- This type is an object with the following properties:
- root_node
signal_node
source_equipmentasdf://weldx.bam.de/weldx/tags/equipment/measurement_equipment-0.1.* The equipment that produces the source signal.Internal Definitions ¶
- signal_node
object A graph node that represents a measurement signal.This node must validate against all of the following:
- This type is an object with the following properties:
- attributes
object Required This type is an object with the following properties:- signal
asdf://weldx.bam.de/weldx/tags/measurement/signal-0.1.* Required The measurement signal
edgesarray Maximum length: 1Items in the array are restricted to the following types:
- signal_transform_edge
object A graph edge that represents a signal transformation.This node must validate against all of the following:
- This type is an object with the following properties:
- attributes
object Required This type is an object with the following properties:- transformation
asdf://weldx.bam.de/weldx/tags/measurement/signal_transformation-0.1.* Required The performed transformation. - equipment
asdf://weldx.bam.de/weldx/tags/equipment/measurement_equipment-0.1.* The equipment that performs the transformation
target_nodesignal_node directionobject This node has no type definition (unrestricted)
Original Schema ¶
%YAML 1.1 --- $schema: "http://stsci.edu/schemas/yaml-schema/draft-01" id: "asdf://weldx.bam.de/weldx/schemas/measurement/measurement_chain-0.1.0" title: | Schema that describes a measurement_chain description: | A measurement chain describes the different steps that are performed to acquire experimental data. It collects all relevant information about the initial source signal and the involved transformations. In this schema, the fundamental data representation of the measurement chain is a directed graph with the signals being the nodes and the transformations being the edges. example: - - | A measurement chain representing a current measurement. It consists of 2 transformations, an AD conversion and subsequent application of the calibration data. - | !<asdf://weldx.bam.de/weldx/tags/measurement/measurement_chain-0.1.0> name: Welding current measurement chain data_source: !<asdf://weldx.bam.de/weldx/tags/measurement/source-0.1.0> name: Current sensor output_signal: &id001 !<asdf://weldx.bam.de/weldx/tags/measurement/signal-0.1.0> signal_type: analog unit: V error: !<asdf://weldx.bam.de/weldx/tags/measurement/error-0.1.0> deviation: !<asdf://weldx.bam.de/weldx/tags/units/quantity-0.1.0> {value: 0.2, units: !<asdf://weldx.bam.de/weldx/tags/units/units-0.1.0> percent} graph: !<asdf://weldx.bam.de/weldx/tags/core/graph/di_graph-0.1.0> root_node: !<asdf://weldx.bam.de/weldx/tags/core/graph/di_node-0.1.0> name: Current sensor attributes: signal: *id001 edges: - !<asdf://weldx.bam.de/weldx/tags/core/graph/di_edge-0.1.0> direction: fwd attributes: transformation: !<asdf://weldx.bam.de/weldx/tags/measurement/signal_transformation-0.1.0> name: AD conversion error: !<asdf://weldx.bam.de/weldx/tags/measurement/error-0.1.0> deviation: !<asdf://weldx.bam.de/weldx/tags/units/quantity-0.1.0> {value: 0.025, units: !<asdf://weldx.bam.de/weldx/tags/units/units-0.1.0> percent} func: !<asdf://weldx.bam.de/weldx/tags/core/mathematical_expression-0.1.0> expression: a*x parameters: a: !<asdf://weldx.bam.de/weldx/tags/units/quantity-0.1.0> {value: 1, units: !<asdf://weldx.bam.de/weldx/tags/units/units-0.1.0> 1 / volt} type_transformation: AD target_node: !<asdf://weldx.bam.de/weldx/tags/core/graph/di_node-0.1.0> name: AD conversion attributes: signal: !<asdf://weldx.bam.de/weldx/tags/measurement/signal-0.1.0> signal_type: digital unit: dimensionless edges: - !<asdf://weldx.bam.de/weldx/tags/core/graph/di_edge-0.1.0> direction: fwd attributes: transformation: !<asdf://weldx.bam.de/weldx/tags/measurement/signal_transformation-0.1.0> name: Calibration error: !<asdf://weldx.bam.de/weldx/tags/measurement/error-0.1.0> deviation: !<asdf://weldx.bam.de/weldx/tags/units/quantity-0.1.0> {value: 0.1, units: !<asdf://weldx.bam.de/weldx/tags/units/units-0.1.0> percent} func: !<asdf://weldx.bam.de/weldx/tags/core/mathematical_expression-0.1.0> expression: a*x + b parameters: a: !<asdf://weldx.bam.de/weldx/tags/units/quantity-0.1.0> {value: 75, units: !<asdf://weldx.bam.de/weldx/tags/units/units-0.1.0> ampere} b: !<asdf://weldx.bam.de/weldx/tags/units/quantity-0.1.0> {value: 25, units: !<asdf://weldx.bam.de/weldx/tags/units/units-0.1.0> ampere} type_transformation: DD target_node: !<asdf://weldx.bam.de/weldx/tags/core/graph/di_node-0.1.0> name: Calibration attributes: signal: !<asdf://weldx.bam.de/weldx/tags/measurement/signal-0.1.0> signal_type: digital unit: ampere definitions: signal_node: description: | A graph node that represents a measurement signal. allOf: - tag: "asdf://weldx.bam.de/weldx/tags/core/graph/di_node-0.1.*" - type: object properties: attributes: type: object properties: signal: description: | The measurement signal tag: "asdf://weldx.bam.de/weldx/tags/measurement/signal-0.1.*" required: [signal] edges: type: array items: $ref: "#/definitions/signal_transform_edge" maxItems: 1 required: [attributes] signal_transform_edge: description: | A graph edge that represents a signal transformation. allOf: - tag: "asdf://weldx.bam.de/weldx/tags/core/graph/di_edge-0.1.*" - type: object properties: attributes: type: object properties: transformation: description: | The performed transformation. tag: "asdf://weldx.bam.de/weldx/tags/measurement/signal_transformation-0.1.*" equipment: description: | The equipment that performs the transformation tag: "asdf://weldx.bam.de/weldx/tags/equipment/measurement_equipment-0.1.*" required: [transformation] target_node: $ref: "#/definitions/signal_node" direction: enum: [fwd] required: [attributes] type: object properties: name: description: | The name of the measurement chain. type: string data_source: description: | The source that generates the first signal and is the first element of the chain. tag: "asdf://weldx.bam.de/weldx/tags/measurement/source-0.1.*" graph: description: | The measurement chain depicted by a graph. Signals are represented by the nodes and transformations by the edges. allOf: - tag: "asdf://weldx.bam.de/weldx/tags/core/graph/di_graph-0.1.*" - type: object properties: root_node: $ref: "#/definitions/signal_node" source_equipment: description: | The equipment that produces the source signal. tag: "asdf://weldx.bam.de/weldx/tags/equipment/measurement_equipment-0.1.*" propertyOrder: [name, data_source, graph, source_equipment] required: [name, data_source, graph] flowStyle: block ...
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