activities.fusion_activity/com.example.stig.activities.fusion_activity.design/fusionActivityDesign

Design

fusionActivityDesign
:
FusionActivityDesign

Attribute	Value
id	com.example.stig.activities.fusion_activity.design.fusionActivityDesign
name	Fusion activity design
description	A four-stage perception pipeline aligns sensor data, associates observations, estimates motion, and reports input health before publishing a fused scene.
design element	ASIL B fusionActivity Fusion activity
sub designs	4 items timestampAlignmentDesign Timestamp alignment design objectAssociationDesign Object association design motionEstimationDesign Motion estimation design healthMonitoringDesign Fusion health-monitoring design

Direct children

7 items

ASIL B

sensorFreshnessGate

Sensor freshness gate

ASIL B

crossSensorAgreementGate

Cross-sensor agreement gate

ASIL B

outputConfidenceMonitor

Output confidence monitor

timestampAlignmentDesign

Timestamp alignment design

objectAssociationDesign

Object association design

motionEstimationDesign

Motion estimation design

healthMonitoringDesign

Fusion health-monitoring design

SafetyMechanism

sensorFreshnessGate
:
SafetyMechanism
ASIL B

Attribute	Value
id	com.example.stig.activities.fusion_activity.design.fusionActivityDesign.sensorFreshnessGate
name	Sensor freshness gate
description	Observations older than 100 ms are excluded and force a degraded health indication.
ASIL	ASIL B
identityOwner	fusionActivityDesign Fusion activity design
identityReferenceName	sensorFreshnessGate
mitigates	2 items ASIL B missedCriticalObject Missed critical object ASIL B degradedPerceptionReportedHealthy Degraded perception reported healthy

SafetyMechanism

crossSensorAgreementGate
:
SafetyMechanism
ASIL B

Attribute	Value
id	com.example.stig.activities.fusion_activity.design.fusionActivityDesign.crossSensorAgreementGate
name	Cross-sensor agreement gate
description	High-confidence objects require two observations within the position and velocity gates.
ASIL	ASIL B
identityOwner	fusionActivityDesign Fusion activity design
identityReferenceName	crossSensorAgreementGate
mitigates	3 items ASIL B collisionTimingTooLate Collision timing estimated too late ASIL B missedCriticalObject Missed critical object ASIL B phantomCriticalObject Phantom critical object

SafetyMechanism

outputConfidenceMonitor
:
SafetyMechanism
ASIL B

Attribute	Value
id	com.example.stig.activities.fusion_activity.design.fusionActivityDesign.outputConfidenceMonitor
name	Output confidence monitor
description	Published confidence is checked against sensor support and is reduced on degraded input sets.
ASIL	ASIL B
identityOwner	fusionActivityDesign Fusion activity design
identityReferenceName	outputConfidenceMonitor
mitigates	4 items ASIL B collisionTimingTooLate Collision timing estimated too late ASIL B phantomCriticalObject Phantom critical object ASIL B degradedPerceptionReportedHealthy Degraded perception reported healthy ASIL QM healthyPerceptionReportedDegraded Healthy perception reported degraded

Design

timestampAlignmentDesign
:
Design

Attribute	Value
id	com.example.stig.activities.fusion_activity.design.timestampAlignmentDesign
name	Timestamp alignment design
description	Orders observations, computes their age, and forms sensor sets within the 50 ms alignment window.
design element	ASIL B timestampAlignment Timestamp alignment
parent designs	1 item fusionActivityDesign Fusion activity design

Design

objectAssociationDesign
:
Design

Attribute	Value
id	com.example.stig.activities.fusion_activity.design.objectAssociationDesign
name	Object association design
description	Applies position and relative-velocity gates before observations can share a fused track.
design element	ASIL B objectAssociation Object association
parent designs	1 item fusionActivityDesign Fusion activity design

Design

motionEstimationDesign
:
Design

Attribute	Value
id	com.example.stig.activities.fusion_activity.design.motionEstimationDesign
name	Motion estimation design
description	Calculates fused position, relative velocity, confidence, and time to collision.
design element	ASIL B motionEstimation Motion estimation
parent designs	1 item fusionActivityDesign Fusion activity design

Design

healthMonitoringDesign
:
Design

Attribute	Value
id	com.example.stig.activities.fusion_activity.design.healthMonitoringDesign
name	Fusion health-monitoring design
description	Tracks input freshness and availability and publishes the resulting degradation state.
design element	ASIL B healthMonitoring Fusion health monitoring
parent designs	1 item fusionActivityDesign Fusion activity design