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关于协同感知与高阶自动驾驶,美国政府再发官方简报

  • 2026-05-13 08:20:13
关于协同感知与高阶自动驾驶,美国政府再发官方简报

美国联邦政府内阁级部委,美国交通运输部(U.S. DOT),推进协同自动驾驶和高阶自动驾驶的目标越来越清晰,技术积累也越来越深厚。

2026年1月,美国交通运输部在其官网释放出一份情况说明简报(Fact Sheet),标题为协同驾驶自动化中的感知共享,基于传感器数据共享消息“Perception Sharing for Cooperative Driving Automation (CDA) Using Sensor-Data-Sharing Messages”

[文末有美国交通运输部官网链接,可直接查看并下载该简报PDF]

这是继2025年10月释放出一份协同感知(Cooperative Perception, CP)与协同自动驾驶(Cooperative Driving Automation, CDA)简报后,短短几个月时间,美国交通运输部再一次公开与CP和CDA相关的官方简报。

在这份最新的简报中,美国交通运输部进一步明确了后续的工作方向与内容

1. 丰富细化测试场景,全面评估协同感知各项性能指标;

2. 协调产业界与美国汽车工程师学会(SAE),共同推进互认互信互通,以及协同感知与协同自动驾驶的标准化工作;

3. 探索规模化部署与产业转型路径,与基础设施运营商(IOOs)整合,推动技术从演示验证迈向可部署的成熟解决方案;

4. 持续推进联合测试与演示,完善部署策略,确保CDA协同自动驾驶技术切实满足实际运营需要。

美国交通运输部认为,协同感知(CP)可以提升自动驾驶车辆的感知性能,增强其对于周边环境的感知能力,进而支撑更安全、更高效的协同自动驾驶(CDA)应用。

而实现这一切的基础,就是C-V2X直连通信技术

为此,美国汽车工程师学会(SAE)于2022年制定完成了一项标准:

SAE J3224, V2X Sensor-Sharing for Cooperative and Automated Driving

[简报PDF中有该标准的SAE官网链接]

基于这项标准,结合路侧基础设施感知设备(如激光雷达等),就可以将标准化的传感器数据共享消息(Sensor Data Sharing Message, SDSM),通过C-V2X直连通信的方式广播出去。
此时具有C-V2X直连通信能力的自动驾驶车辆就可以接收并处理SDSM消息,从而超视距感知到被货车遮挡的、正在过马路的行人。如下图所示。

美国交通运输部在2025年亚特兰大智能交通世界大会(2025 ITS World Congress)期间,基于实车对该项技术和系统进行了实地演示。如下方两张图片所示。

美国交通运输部在简报中提及,这次演示活动有来自于整车厂(OEMs)、基础设施运营商(IOOs)、V2X供应商以及工程咨询公司等超过500余人在车内实车跟车体验了协同感知与协同自动驾驶应用。

美国交通运输部在简报中提到,在一些特定测试场景中,基于协同感知(CP)的仿真,对于车辆与行人碰撞事故的发生概率,其降低程度可以达到98%。

美国交通运输部

美国联邦公路管理局

简报原始PDF官网链接:

https://highways.fhwa.dot.gov/sites/fhwa.dot.gov/files/FHWA-HRT%2026-028.pdf

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  1. CONNECT:[ UseTime:0.000430s ] mysql:host=127.0.0.1;port=3306;dbname=e_mffb;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000514s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000277s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000277s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000486s ]
  6. SELECT * FROM `set` [ RunTime:0.000212s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000520s ]
  8. SELECT * FROM `article` WHERE `id` = 496572 LIMIT 1 [ RunTime:0.000341s ]
  9. UPDATE `article` SET `lasttime` = 1779332091 WHERE `id` = 496572 [ RunTime:0.000633s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 67 LIMIT 1 [ RunTime:0.000219s ]
  11. SELECT * FROM `article` WHERE `id` < 496572 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000391s ]
  12. SELECT * FROM `article` WHERE `id` > 496572 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000414s ]
  13. SELECT * FROM `article` WHERE `id` < 496572 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000761s ]
  14. SELECT * FROM `article` WHERE `id` < 496572 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000888s ]
  15. SELECT * FROM `article` WHERE `id` < 496572 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000677s ]
0.094568s