US20200202706A1 - Message Broadcasting for Vehicles - Google Patents
Message Broadcasting for Vehicles Download PDFInfo
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- US20200202706A1 US20200202706A1 US16/439,956 US201916439956A US2020202706A1 US 20200202706 A1 US20200202706 A1 US 20200202706A1 US 201916439956 A US201916439956 A US 201916439956A US 2020202706 A1 US2020202706 A1 US 2020202706A1
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Definitions
- Various aspects include methods enabling a vehicle, such as an autonomous vehicle, a semi-autonomous vehicle, etc., to broadcast motion plans to surrounding vehicles, such as autonomous vehicles, semi-autonomous vehicles, and/or driver-operated vehicles.
- Various aspects include methods for using motion plans received from one or more surrounding vehicles.
- motion plans may include a vehicle's trajectory and one or more descriptors associated with the vehicle and/or the vehicle owner and/or operator.
- motion plans may be used at least in part to control a vehicle.
- controlling the vehicle based at least in part on the motion plan may include determining an expected region of interest for the vehicle based at least in part on the motion plan, and applying a detection algorithm to received sensor data at the expected region of interest to detect the transmitting vehicle in the received sensor data based at least in part on the sensor perceptible attribute.
- the method may further include selecting the detection algorithm based at least in part on the received motion plan.
- controlling the vehicle based at least in part on the motion plan may include correlating vehicle detection sensor data with the transmitting vehicle based at least in part on the sensor perceptible attribute.
- controlling the vehicle based at least in part on the motion plan may include determining a position of the transmitting vehicle based at least in part on the vehicle location attribute, determining whether a comparison between a position of the vehicle and the position of the transmitting vehicle indicate an error, and triggering a recalculation of the position of the vehicle in response to determining the comparison between the position of the vehicle and the position of the transmitting vehicle indicate an error.
- controlling the vehicle based at least in part on the motion plan may include determining whether the motion plan is unsafe, and sending a safety warning to the transmitting vehicle in response to determining the motion plan is unsafe.
- FIG. 3 is a block diagram illustrating components of an example system on chip for use in a vehicle that may be configured to broadcast, receive, and/or otherwise use intentions and/or motion plans in accordance with various embodiments.
- FIG. 4 is a process flow diagram illustrating a method of broadcasting an intention message according to various embodiments.
- FIG. 6 is a process flow diagram illustrating a method of using a broadcast motion plan in sensor perception operations according to various embodiments.
- a problem in autonomous driving of selecting an optimal driving action in an uncertain environment with uncertain agents can be modeled as a partially-observable Markov decision process (POMDP).
- POMDP partially-observable Markov decision process
- solutions to POMDPs are computationally intractable, so much research is devoted to finding ways to sufficiently approximate the problem such that online and real-time solutions are possible.
- Autonomous vehicles can simulate possible actions in order to determine the range of expected outcomes based on each action. There may be some reward or risk or penalty for each action and testing each possible action that can be searched can allow the autonomous vehicle to select the action with the most reward and/or least likely penalty.
- motion plans indicate an expected course of action and may be distinguished from requests to take an action (or other type of confirmation requiring communications) that may be exchanged between vehicles.
- the sharing of a motion plan via broadcasting intentions of autonomous (or semi-autonomous) vehicles to surrounding vehicles may provide a much greater benefit within the POMDP and may reduce the POMDP to a Markov decision process (MDP) that may require far less computational resources to solve.
- MDP Markov decision process
- the sensors may further include other types of object detection and ranging sensors, such as radar 132 , lidar 138 , IR sensors, and ultrasonic sensors.
- the sensors may further include tire pressure sensors 114 , 120 , humidity sensors, temperature sensors, satellite geopositioning sensors 108 , accelerometers, vibration sensors, gyroscopes, gravimeters, impact sensors 130 , force meters, stress meters, strain sensors, fluid sensors, chemical sensors, gas content analyzers, pH sensors, radiation sensors, Geiger counters, neutron detectors, biological material sensors, microphones 124 , 134 , occupancy sensors 112 , 116 , 118 , 126 , 128 , proximity sensors, and other sensors.
- the sensor fusion and RWM management layer 212 may receive data and outputs produced by the radar perception layer 202 , camera perception layer 204 , map fusion and arbitration layer 208 , and route planning layer 210 , and use some or all of such inputs to estimate or refine the location and state of the vehicle 100 in relation to the road, other vehicles on the road, and other objects within a vicinity of the vehicle 100 .
- the sensor fusion and RWM management layer 212 may combine imagery data from the camera perception layer 204 with arbitrated map location information from the map fusion and arbitration layer 208 to refine the determined position of the vehicle within a lane of traffic.
- FIG. 3 illustrates an example system-on-chip (SOC) architecture of a processing device SOC 300 suitable for implementing various embodiments in vehicles.
- the processing device SOC 300 may include a number of heterogeneous processors, such as a digital signal processor (DSP) 303 , a modem processor 304 , an image and object recognition processor 306 , a mobile display processor 307 , an applications processor 308 , and a resource and power management (RPM) processor 317 .
- DSP digital signal processor
- the system components and resources 316 , analog and custom circuitry 314 , and/or CAM 305 may include circuitry to interface with peripheral devices, such as cameras 122 , 136 , radar 132 , lidar 138 , electronic displays, wireless communication devices, external memory chips, etc.
- the processors 303 , 304 , 306 , 307 , 308 may be interconnected to one or more memory elements 312 , system components and resources 316 , analog and custom circuitry 314 , CAM 305 , and RPM processor 317 via an interconnection/bus module 324 , which may include an array of reconfigurable logic gates and/or implement a bus architecture (e.g., CoreConnect, AMBA, etc.). Communications may be provided by advanced interconnects, such as high-performance networks-on chip (NoCs).
- NoCs high-performance networks-on chip
- a processor may also be implemented as a combination of communication devices, e.g., a combination of a DSP and a microprocessor, a plurality of microprocessors, one or more microprocessors in conjunction with a DSP core, or any other such configuration. Alternatively, some blocks or methods may be performed by circuitry that is specific to a given function.
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- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Radar, Positioning & Navigation (AREA)
- Human Computer Interaction (AREA)
- Remote Sensing (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Aviation & Aerospace Engineering (AREA)
- Multimedia (AREA)
- Traffic Control Systems (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
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PCT/US2019/058460 WO2020131223A2 (en) | 2018-12-20 | 2019-10-29 | Message broadcasting for vehicles |
CN201980082284.4A CN113228129B (zh) | 2018-12-20 | 2019-10-29 | 用于车辆的消息广播 |
US18/340,294 US20230334983A1 (en) | 2018-12-20 | 2023-06-23 | Message broadcasting for vehicles |
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Cited By (13)
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US20210005085A1 (en) * | 2019-07-03 | 2021-01-07 | Cavh Llc | Localized artificial intelligence for intelligent road infrastructure |
US20210245758A1 (en) * | 2020-02-11 | 2021-08-12 | Ford Global Technologies, Llc | V2x traffic maneuver handshaking between traffic participants |
US11157784B2 (en) * | 2019-05-08 | 2021-10-26 | GM Global Technology Operations LLC | Explainable learning system and methods for autonomous driving |
US20210345075A1 (en) * | 2018-12-29 | 2021-11-04 | Intel Corporation | Content centric dynamic ad hoc networking |
US20210366289A1 (en) * | 2020-05-19 | 2021-11-25 | Toyota Motor North America, Inc. | Control of transport en route |
US11214268B2 (en) * | 2018-12-28 | 2022-01-04 | Intel Corporation | Methods and apparatus for unsupervised multimodal anomaly detection for autonomous vehicles |
US20220073103A1 (en) * | 2020-09-08 | 2022-03-10 | Electronics And Telecommunications Research Institute | Metacognition-based autonomous driving correction device and method |
US20220164245A1 (en) * | 2020-11-23 | 2022-05-26 | Argo AI, LLC | On-board feedback system for autonomous vehicles |
US20220221574A1 (en) * | 2021-01-11 | 2022-07-14 | Movon Corporation | Camera and radar sensor system and error compensation method thereof |
US20220388501A1 (en) * | 2021-08-20 | 2022-12-08 | Beijing Baidu Netcom Science Technology Co., Ltd. | Method for automated parking, device, and storage medium |
US20240005785A1 (en) * | 2022-06-30 | 2024-01-04 | Kodiak Robotics, Inc. | System and method for identifying a vehicle subject to an emergency alert |
WO2024039634A1 (en) * | 2022-08-15 | 2024-02-22 | Robotic Research Opco, Llc | Region focusing radar systems and methods |
US20240083435A1 (en) * | 2020-12-09 | 2024-03-14 | Waymo Llc | Physics-informed optimization for autonomous driving systems |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN112750298B (zh) * | 2020-12-17 | 2022-10-28 | 华路易云科技有限公司 | 一种基于smdp和drl的货车编队动态资源分配方法 |
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WO2020131223A2 (en) | 2020-06-25 |
CN113228129B (zh) | 2023-05-02 |
CN113228129A (zh) | 2021-08-06 |
WO2020131223A3 (en) | 2020-07-23 |
US20230334983A1 (en) | 2023-10-19 |
EP3899905A2 (en) | 2021-10-27 |
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