Intelligent road infrastructure system (IRIS): systems and methods
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.
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- i. DGPS; and
- ii. BeiDou System;
In some embodiments, the RSUs are installed and deployed based on function requirements and environment factors, such as road types, geometry and safety considerations, including but not limited to:
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- a. Some modules are not necessarily installed at the same physical location as the core modules of RSUs;
- b. RSU spacing, deployment and installation methods may vary based on road geometry to archive maximal coverage and eliminate detection blind spots. Possible installation locations include but not limited to: freeway roadside, freeway on/off ramp, intersection, roadside buildings, bridges, tunnels, roundabouts, transit stations, parking lots, railroad crossings, school zones; and
- c. RSU are installed on:
- i. Fixed locations for long-term deployment; and
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