Vehicle Capability Broadcasting for Consistent AV Motion Planning
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Solution Overview
Problem
Existing autonomous vehicles (AVs) face challenges in efficiently adapting their operations to varying environmental conditions, leading to inefficiencies in motion planning and control.
Innovation Solution
A vehicle capability broadcasting platform determines motion capabilities based on environmental conditions and broadcasts these parameters to multiple planning modules, ensuring a unified and efficient planning process.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If each planning module independently determines vehicle capability parameters, then each module can have customized planning, but it leads to inconsistency and inefficiency in motion planning
Solution Approach 1:
The patent introduces a vehicle capability broadcaster as an intermediary component that receives environmental condition information and determines vehicle capability parameters centrally. This broadcaster then provides the determined parameters to multiple planning modules, ensuring they all use consistent parameters while allowing each module to perform customized planning based on its specific function.
2Reliability
If vehicle capability parameters are determined centrally and broadcast to all modules, then consistency is improved, but the complexity of the system increases
Solution Approach 1:
The patent segments the system into distinct functional components: a vehicle capability broadcaster responsible for determining and broadcasting parameters, and multiple planning modules that receive and use these parameters. This segmentation allows the centralized determination function to be isolated in one component, reducing the complexity burden on individual planning modules while maintaining overall system consistency.
3Productivity
If multiple planning modules use different vehicle capability parameters, then each module can optimize for its specific function, but it causes inefficiency and potential conflicts in AV operations
Solution Approach 1:
The vehicle capability broadcaster determines the vehicle capability parameters in advance based on environmental conditions and broadcasts them to all planning modules before the modules perform their planning functions. This preliminary determination eliminates the need for modules to independently determine parameters, reducing coordination time and avoiding conflicts while maintaining planning efficiency.
Data Source
AI summary
A vehicle capability broadcaster may receive information indicating a condition in an environment where an AV may operate. The vehicle capability broadcaster determines a first vehicle capability parameter and a second vehicle capability parameter based on the condition. The vehicle capability parameters may indicate capabilities of the AV for making different types of motions, e.g., limits of the AV making different motions. The vehicle capability broadcaster may transmit the first vehicle capability parameter to a first planning module and transmit the second vehicle capability parameter to a second planning module. The first planning module and the second planning module may plan one or more motions of the AV in the operation based on the vehicle capability parameters. The vehicle capability broadcaster may update a vehicle capability parameter and transmit the updated vehicle capability parameter to one of the planning modules after the one or more motions are planned.