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| """
BMW Panoramic iDrive 系统架构
AR-HUD + AI语音 + DMS + 中央计算
核心: 软件定义座舱 + 集中计算
"""
import numpy as np
from typing import Dict
class BMWPanoramicCockpit:
"""
BMW Panoramic iDrive 仿真模型
组件:
1. Panoramic Vision (全宽挡风玻璃HUD)
2. BMW OS X (操作系统)
3. AI语音助手 (Generative AI)
4. 中央触控屏
5. DMS摄像头 (注意力引导)
"""
def __init__(self):
self.hud_config = {
'display_area': 'full_width_windshield',
'image_distance_m': 7.5,
'field_of_view_deg': 12,
'brightness_nits': 12000,
'resolution': '4K per eye',
'refresh_rate_hz': 60,
}
self.dms_config = {
'camera': 'interior_IR_camera',
'fps': 60,
'functions': [
'driver_identification',
'gaze_zone_mapping',
'attention_guidance',
'drowsiness_detection',
'distraction_detection',
],
'gaze_zones': [
'windshield_center',
'hud_display',
'central_screen',
'left_mirror',
'right_mirror',
'instrument_cluster',
'steering_wheel',
],
}
self.ai_assistant = {
'engine': 'generative_ai_llm',
'functions': [
'natural_language_navigation',
'context_aware_recommendations',
'vehicle_control_voice',
'information_query',
'personalized_preferences',
],
'wake_word': 'BMW',
'offline_capable': True,
}
def attention_guidance_system(self, gaze_zone, driving_context):
"""
DMS + AR-HUD 注意力引导系统
当DMS检测到驾驶员未关注关键区域时，
AR-HUD在该区域投射引导信息
Args:
gaze_zone: 当前视线区域
driving_context: 驾驶上下文
Returns:
guidance: AR-HUD引导指令
"""
guidance = None
if (driving_context['next_maneuver'] == 'turn' and
gaze_zone != 'windshield_center' and
driving_context['distance_to_maneuver'] < 500):
guidance = {
'action': 'highlight_route',
'hud_element': 'navigation_arrow_enhanced',
'brightness_boost': 1.5,
'priority': 'high',
}
if (driving_context['forward_hazard'] and
gaze_zone not in ['windshield_center', 'hud_display']):
guidance = {
'action': 'alert_highlight',
'hud_element': 'hazard_warning_icon',
'brightness_boost': 2.0,
'priority': 'critical',
'sound': 'warning_chime',
}
if driving_context.get('drowsiness_level', 0) > 0.7:
guidance = {
'action': 'stimulate_alertness',
'hud_element': 'bright_contrast_mode',
'brightness_boost': 1.3,
'color': 'cool_blue',
'priority': 'high',
}
if (gaze_zone == 'central_screen' and
driving_context['speed_kmh'] > 80):
guidance = {
'action': 'recall_attention',
'hud_element': 'speed_display_flash',
'priority': 'medium',
'voice': '请注意前方道路',
}
return guidance
def personalize_display(self, driver_id, preferences):
"""
个性化显示布局
AI学习驾驶员偏好，自动调整HUD布局
"""
layout = {
'position': preferences.get('hud_position', 'lower_windshield'),
'content_priority': preferences.get('content_priority', [
'speed', 'navigation', 'speed_limit',
'warnings', 'media_info'
]),
'color_scheme': preferences.get('color_scheme', 'white_blue'),
'font_size': preferences.get('font_size', 'medium'),
'widget_layout': self._optimize_layout(driver_id, preferences),
}
return layout
def _optimize_layout(self, driver_id, preferences):
"""AI优化HUD布局"""
return {
'left': ['speed', 'speed_limit'],
'center': ['navigation_arrow', 'next_maneuver'],
'right': ['media', 'time', 'weather'],
'bottom': ['warnings', 'vehicle_status'],
}
if __name__ == "__main__":
cockpit = BMWPanoramicCockpit()
print("=" * 60)
print("BMW Panoramic iDrive 系统仿真")
print("=" * 60)
print(f"\nHUD配置:")
for k, v in cockpit.hud_config.items():
print(f" {k}: {v}")
print(f"\nDMS功能:")
for f in cockpit.dms_config['functions']:
print(f" ✅ {f}")
print(f"\n视线区域 ({len(cockpit.dms_config['gaze_zones'])}个):")
for zone in cockpit.dms_config['gaze_zones']:
print(f" - {zone}")
print(f"\n--- 注意力引导测试 ---")
scenarios = [
{
'name': '导航转弯但看中控',
'gaze': 'central_screen',
'context': {'next_maneuver': 'turn', 'distance_to_maneuver': 300,
'forward_hazard': False, 'speed_kmh': 60}
},
{
'name': '前方危险但看右后视镜',
'gaze': 'right_mirror',
'context': {'next_maneuver': 'straight', 'distance_to_maneuver': 1000,
'forward_hazard': True, 'speed_kmh': 80}
},
{
'name': '疲劳驾驶',
'gaze': 'windshield_center',
'context': {'next_maneuver': 'straight', 'distance_to_maneuver': 5000,
'forward_hazard': False, 'drowsiness_level': 0.8, 'speed_kmh': 100}
},
{
'name': '高速看中控',
'gaze': 'central_screen',
'context': {'next_maneuver': 'straight', 'distance_to_maneuver': 5000,
'forward_hazard': False, 'speed_kmh': 120}
},
]
for s in scenarios:
result = cockpit.attention_guidance_system(s['gaze'], s['context'])
print(f"\n {s['name']}:")
if result:
print(f" 动作: {result['action']}")
print(f" HUD元素: {result['hud_element']}")
print(f" 优先级: {result['priority']}")
else:
print(f" 无引导 (正常)")
|
