Triggering Conditions & Use Cases

"""SOTIF triggering condition analysis for AEB function."""
from dataclasses import dataclass
from typing import List

@dataclass
class TriggeringCondition:
    tc_id:              str
    category:           str
    description:        str
    functional_insuff:  str   # which algorithm limitation it exploits
    hazard:             str   # resulting hazardous behaviour
    severity:           int   # S0-S3 (ISO 26262 severity scale)
    probability_in_odd: str   # high/medium/low (estimated exposure)
    design_measure:     str   # how addressed

AEB_TRIGGERING_CONDITIONS: List[TriggeringCondition] = [
    TriggeringCondition(
        tc_id="TC_AEB_001",
        category="Environmental/Weather",
        description="Heavy rain (> 10 mm/h) reduces camera range to < 20m",
        functional_insuff="AEB requires 30m detection range for 50 km/h stop",
        hazard="AEB fails to activate; rear-end collision",
        severity=3,  # fatal
        probability_in_odd="high",  # rain is common in Germany
        design_measure="Radar fusion; HMI speed warning in rain"
    ),
    TriggeringCondition(
        tc_id="TC_AEB_002",
        category="Target/Appearance",
        description="White truck body against bright sky: low image contrast",
        functional_insuff="Camera classifier fails below contrast threshold",
        hazard="AEB false negative; no braking before collision",
        severity=3,
        probability_in_odd="medium",
        design_measure="Radar primary; camera secondary for classification"
    ),
]

for tc in AEB_TRIGGERING_CONDITIONS:
    print(f"[{tc.tc_id}] S{tc.severity} | {tc.description[:50]}...")