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| class EuroNCAP2026Scoring:
"""
Euro NCAP 2026评分体系
Stage 1: Safe Driving
- DSM (Driver State Monitoring): 最多25分
- SBR (Seat Belt Reminder): 最多10分
- SS (Speed Support): 最多15分
- OM (Occupant Monitoring): 最多10分
"""
STAGE1_MAX_SCORE = 100
DSM_SCORING = {
'distraction_detection': {
'max_points': 8,
'scenarios': ['D-01', 'D-02', 'D-03', 'D-04', 'D-05'],
'requirements': {
'detection_time_sec': 3,
'warning_sequence': True,
'default_on': True
}
},
'fatigue_detection': {
'max_points': 8,
'scenarios': ['F-01', 'F-02', 'F-03', 'F-04', 'F-05'],
'requirements': {
'perclos_threshold': 30,
'warning_levels': 2,
'default_on': True
}
},
'unresponsive_driver': {
'max_points': 6,
'scenarios': ['UD-01', 'UD-02'],
'requirements': {
'detection_time_sec': 10,
'intervention': 'controlled_stop'
}
},
'impairment_detection': {
'max_points': 3,
'scenarios': ['I-01'],
'requirements': {
'alcohol_detection': True,
'warning_strategy': True
}
}
}
OM_SCORING = {
'child_presence_detection': {
'max_points': 5,
'scenarios': ['CPD-01', 'CPD-02', 'CPD-03', 'CPD-04'],
'requirements': {
'detection_time_sec': 60,
'vital_signs': True,
'warning': 'visual_audible'
}
},
'out_of_position': {
'max_points': 3,
'scenarios': ['OOP-01', 'OOP-02', 'OOP-03'],
'requirements': {
'feet_dashboard': True,
'body_lean': True,
'warning_time_sec': 30
}
},
'seatbelt_misuse': {
'max_points': 2,
'scenarios': ['SM-01', 'SM-02'],
'requirements': {
'wrong_position': True,
'warning': True
}
}
}
def calculate_dsm_score(self, test_results: dict) -> dict:
"""
计算DSM得分
Args:
test_results: 测试结果 {scenario_id: pass/fail, ...}
Returns:
{total_score, breakdown, compliance_rate}
"""
total_score = 0
breakdown = {}
for category, config in self.DSM_SCORING.items():
category_score = 0
passed_scenarios = 0
for scenario_id in config['scenarios']:
if test_results.get(scenario_id, False):
passed_scenarios += 1
pass_rate = passed_scenarios / len(config['scenarios'])
category_score = config['max_points'] * pass_rate
breakdown[category] = {
'score': category_score,
'max_points': config['max_points'],
'pass_rate': pass_rate
}
total_score += category_score
max_total = sum(c['max_points'] for c in self.DSM_SCORING.values())
return {
'total_score': total_score,
'max_score': max_total,
'breakdown': breakdown,
'compliance_rate': total_score / max_total
}
def calculate_om_score(self, test_results: dict) -> dict:
"""计算OM得分"""
total_score = 0
breakdown = {}
for category, config in self.OM_SCORING.items():
category_score = 0
passed_scenarios = 0
for scenario_id in config['scenarios']:
if test_results.get(scenario_id, False):
passed_scenarios += 1
pass_rate = passed_scenarios / len(config['scenarios'])
category_score = config['max_points'] * pass_rate
breakdown[category] = {
'score': category_score,
'max_points': config['max_points'],
'pass_rate': pass_rate
}
total_score += category_score
max_total = sum(c['max_points'] for c in self.OM_SCORING.values())
return {
'total_score': total_score,
'max_score': max_total,
'breakdown': breakdown,
'compliance_rate': total_score / max_total
}
def determine_star_rating(self, total_percentage: float) -> int:
"""确定星级"""
if total_percentage >= 80:
return 5
elif total_percentage >= 70:
return 4
elif total_percentage >= 60:
return 3
elif total_percentage >= 50:
return 2
else:
return 1
|