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公开(公告)号：US20240271930A1
公开(公告)日：2024-08-15
申请号：US18168287
申请日：2023-02-13
IPC分类号： G01B21/30
CPC分类号： G01B21/30
摘要： A vehicle system of a vehicle may include comprising a controller programmed to obtain rotational speeds of a plurality of wheels of the vehicle at a plurality of time steps, determine a difference between speeds of one or more front wheels of the vehicle and speeds of one or more rear wheels of the vehicle at the plurality of time steps to generate wheel speed differential data, perform a wavelet transform of the wheel speed differential data to generate a continuous wavelet transform spectrum, identify one or more hot spots in the continuous wavelet transform spectrum comprising a plurality of data points having an amplitude within a predetermined frequency range greater than a predetermined detection threshold, and determine locations of one or more speed bumps based on the identified one or more hot spots.
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公开(公告)号：US20240265802A1
公开(公告)日：2024-08-08
申请号：US18104863
申请日：2023-02-02
CPC分类号： G08G1/0145 , G08G1/017
摘要： Systems and methods described herein relate to configuring a hierarchical traffic management system. One embodiment receives, at a cloud server, a request from an application, the request including requirements and implicating configuration of a hierarchical traffic management system; determines, based on information received from one or more connected vehicles in an area of interest pertaining to the request, a minimum density of connected vehicles in the area of interest to meet the requirements; calculates an optimum number of connected vehicles to assign to a section manager in the hierarchical traffic management system; calculates the size of a section of the roadway to be managed by the section manager in the area of interest based, at least in part, on the minimum density of connected vehicles and the optimum number of connected vehicles; and activates the hierarchical traffic management system in accordance with the calculated size of the section.
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公开(公告)号：US20240267178A1
公开(公告)日：2024-08-08
申请号：US18163833
申请日：2023-02-02
发明人： EMRAH AKIN SISBOT , Yashar Zeiynali Farid , Xiaofei Cao , Haritha Muralidharan , Kentaro Oguchi
IPC分类号： H04L5/00 , H04W72/1273 , H04W72/56
CPC分类号： H04L5/0048 , H04W72/1273 , H04W72/56
摘要： Systems and methods are provided for prioritizing downlink vehicle communication. Such systems and methods leverage transit-impacting event category determinations, and transit-impacting event category-specific parameters to quickly (and efficiently) provide tailored downlink vehicle communication priority orders to requesting transit-related services.
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