3D Path Overlay Interface for Autonomous Vehicle Obstacle Navigation
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Solution Overview
Problem
Autonomous vehicles face challenges in navigating through environments with obstacles like construction zones due to inadequate representation of external objects and traffic flow patterns, which hinders efficient and safe operation.
Innovation Solution
A solution path overlay interface system that receives vehicle and external data to determine a safe path, generating a graphical representation for operators to visualize and update, ensuring the vehicle avoids obstacles and adheres to traffic regulations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Extent of automation
If autonomous vehicles operate without human operators, then automation level increases, but ability to handle complex environmental situations deteriorates
Solution Approach 1:
The patent introduces a remote operator as an intermediary between the autonomous vehicle and the environment. When the vehicle encounters complex situations (construction zones, obstacles, traffic patterns), the system transitions from fully autonomous to remote-operated mode, allowing human operators to handle situations that exceed current autonomous capabilities while maintaining automation for routine operations.
Solution Approach 2:
The system dynamically adjusts the level of automation based on environmental complexity. The vehicle operates autonomously under normal conditions but can switch to remote-operated mode when encountering challenging situations, creating a flexible system that adapts its control mode to match the demands of the operating environment.
2Ease of operation
If verbal descriptions or geographic coordinates are provided to operators, then information transmission is simple, but adequate representation of environmental factors is lost
Solution Approach 1:
The system creates a virtual copy of the physical environment by generating a three-dimensional representation that includes the vehicle, external objects, and determined paths. This visual model allows operators to see the complete environmental context rather than receiving abstract verbal descriptions or coordinates, eliminating information loss while maintaining ease of operation through intuitive graphical display.
Solution Approach 2:
The patent transforms two-dimensional map data and coordinate information into a three-dimensional visual representation. By adding the dimension of visual spatial representation, the system preserves all environmental factors (vehicle position, external objects, paths) in a format that is both easy to interpret and information-rich.
3Reliability
If detailed environmental data is provided to operators, then situational awareness improves, but interface complexity increases
Solution Approach 1:
The system merges multiple data elements (vehicle representation, external objects, determined path, alternative path) into a single integrated three-dimensional visual interface. Instead of presenting separate displays for each data type, all environmental factors are combined into one cohesive view that improves situational awareness while maintaining interface simplicity through unified presentation.
Data Source
AI summary
Methods and systems for generating a solution path overlay interface to transmit a solution path are described. The disclosed technology includes receiving vehicle data and external data from a vehicle. The vehicle data includes a vehicle location and a vehicle destination, and the external data includes a location and a movement path for each of a plurality of external objects. A solution path is determined between the vehicle location and the vehicle destination, wherein the solution path does not intersect with the plurality of external objects. A solution path overlay interface is generated that includes the vehicle traveling the solution path and at least some of the plurality of external objects. The solution path overlay interface is outputted for display that is configured to receive a command from an operator which results in an updated solution path that is transmitted to the vehicle for execution.