ChildPresenceDetection车内生命体监测OMSCPD

Child Presence Detection

危险行为

• 被遗留在车内 left in the car
• 儿童主动进入车内 children enter the car voluntarily
• 被成人主动遗留在车内 left in car by adult

目的

• 减少儿童死亡和受伤
• 减少被遗留在车内导致死亡的
  数量
• 减少被儿童主动进入车内导致
  死亡的数量

相关法规发展

欧洲及其美国车内儿童监测法规驱动
Eu&US Life Present Detection Regulation

Euro NCAP

• Introduction of Child Presence Detection to address “child left behind in vehicle” case, causing heat stroke fatalities for children / infants.
  引入“儿童遗留侦测”&＃xff0c;以解决“儿童遗留在车中”导致儿童/婴儿中暑死亡的问题。
• Implementation as safety rating (4 points achievable with “direct sensing” technologies, incl. alert strategy) from 2022
  从2022年起实施安全评级(通过“直接感应”技术&＃xff0c;包括警报策略&＃xff0c;可获得4分

EuroNCap Child Presence Detection Draft test protocols 2023 & 2025

NHTSA

• Hot Cars Act (“Helping Overcome Trauma for Children Alone in Rear Seats”) : First introduction of bill in 2016
  《热车法案》(“帮助独自坐在后座的儿童克服创伤”):2016年法案首次出台。
• Newly introduced in the House of Representatives (H.R. 3593) and the Senate (s. 1601) in 2019, under discussions
  2019年参议院(第1601条)&＃xff0c;正在讨论实时中

系统介绍

儿童感知系统可以检测到留在车上的孩子&＃xff0c;并向车辆报警系统提供这一信息。即使乘员在睡觉&＃xff0c;儿童感知系统也可以根据其动作或呼吸对乘员&＃xff08;包括新生儿&＃xff09;进行检测。

Wi-Fi® sensing for child presence detection(CPD)

解决方案

雷达 radar Vehicle Interior Radar Solution

HW

根据车型和位置决定需要使用室内雷达的数量
每个室内雷达根据FOV覆盖2排座位

• Product architecture
  Analog Antennna
  SPI Flash storage
  Radar sensor chip
  Power supply
  CAN RX/TX HS-CAN transceiver
  I2C G-sensor
  CAN interface for vehicle communication

SW Design

function validation

slave / master heat map and detection
sitting posture
lying posture
standing position
probability of misrecognition without child

ISO/SAE 21434