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Intelligent road infrastructure system (IRIS): systems and methods

專利號
US10867512B2
公開日期
2020-12-15
申請人
CAVH LLC(US WI Fitchburg)
發(fā)明人
Bin Ran; Yang Cheng; Shen Li; Zhen Zhang; Fan Ding; Huachun Tan; Yuankai Wu; Shuoxuan Dong; Linhui Ye; Xiaotian Li; Tianyi Chen; Kunsong Shi
IPC分類
G08G1/09; G08G1/0967; B60W30/165; G08G1/16
技術(shù)領(lǐng)域
rsu,rsus,module,vehicle,lane,iris,tcu,tcc,data,traffic
地域: WI WI Fitchburg

摘要

The invention provides systems and methods for an Intelligent Road Infrastructure System (IRIS), which facilitates vehicle operations and control for connected automated vehicle highway (CAVH) systems. IRIS systems and methods provide vehicles with individually customized information and real-time control instructions for vehicle to fulfill the driving tasks such as car following, lane changing, and route guidance. IRIS systems and methods also manage transportation operations and management services for both freeways and urban arterials. In some embodiments, the IRIS comprises or consists of one of more of the following physical subsystems: (1) Roadside unit (RSU) network, (2) Traffic Control Unit (TCU) and Traffic Control Center (TCC) network, (3) vehicle onboard unit (OBU), (4) traffic operations centers (TOCs), and (5) cloud information and computing services. The IRIS manages one or more of the following function categories: sensing, transportation behavior prediction and management, planning and decision making, and vehicle control. IRIS is supported by real-time wired and/or wireless communication, power supply networks, and cyber safety and security services.

說明書

FIG. 13 shows exemplary data collected from sensing module 1301 such as image data, video data, and vehicle status data. The data is divided into two groups by the data allocation module 1302: large parallel data and advanced control data. The data allocation module 1302 decides how to assign the data 1309 with the computation resources 1303, which are graphic processing units (GPUs) 1304 and central processing units (CPUs) 1305. Processed data 1310 is sent to prediction 1306, planning 1307, and decision making modules 1308. The prediction module provides results to the planning module 1311, and the planning module provides results 1312 to the decision making module.

FIG. 14 shows how exemplary data collected from OBUs and RSUs together with control targets and traffic information from upper level IRIS TCC/TCC network 1402 are provided to a TCU. The lane management module of a TCU produces lane management and vehicle control instructions 1403 for a vehicle control module and lane control module.

FIG. 15 shows exemplary data flow for vehicle control in adverse weather. Table 1, below, shows approaches for measurement of adverse weather scenarios.

TABLE 1 IRIS Measures for Adverse Weather Scenarios

權(quán)利要求

1
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