Mobile Collision Prediction Using Superimposed Probability Cones

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Solution Overview

Problem

Existing collision avoidance systems in traffic environments face challenges such as unreliable communication, high latency, and the need for centralized data transmission, which can lead to unsafe and unpredictable collision predictions.

Innovation Solution

A method utilizing mobile devices, such as smartphones, to determine movement profiles and probability profiles of traffic participants, enabling decentralized and rapid collision probability assessment through superimposed probability profiles, with warnings communicated in real-time.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Speed

If decentralized processing using mobile devices is implemented, then response speed and reliability are improved, but device complexity increases

Engineering Contradiction:
Improveresponse speedVSAvoiddevice complexity
Core Design Contradiction:
SpeedVSDevice complexity

Solution Approach 1:

Each mobile device independently performs collision risk assessment using its own sensors and processing capabilities, without requiring centralized server processing. The device self-generates movement profiles, probability profiles, and collision risk assessments locally, enabling rapid response while distributing computational complexity across multiple devices rather than concentrating it in a central system.

Inventive Principle:
Principle #25Self-service

2Measurement precision

If LIDAR is used for distance and speed measurements, then measurement precision is improved, but system cost and complexity increase

Engineering Contradiction:
Improvemeasurement precisionVSAvoidsystem complexity
Core Design Contradiction:
Measurement precisionVSDevice complexity

Solution Approach 1:

The system combines data from multiple sensor types including LIDAR, cameras, and other detection devices to create comprehensive movement profiles. By merging information from different sensor modalities, the system achieves high measurement precision while distributing the functional requirements across multiple components rather than relying on a single complex system.

Inventive Principle:
Principle #5Merging (Combining)

3Measurement precision

If probability profiles are superimposed for collision assessment, then collision prediction accuracy is improved, but computational requirements increase

Engineering Contradiction:
Improvecollision prediction accuracyVSAvoidcomputational energy
Core Design Contradiction:
Measurement precisionVSUse of energy by moving object

Solution Approach 1:

The system calculates probability profiles for multiple potential collision scenarios simultaneously by superimposing movement profiles of different traffic participants. This partial action approach computes only the necessary probability assessments for relevant collision risks rather than exhaustive analysis of all possible scenarios, achieving high prediction accuracy while managing computational energy consumption.

Inventive Principle:
Principle #16Partial or excessive action

Data Source

PatentUS12475791B2Collision avoidance method
Publication Date: 2025.11.18 SFARA INC
  • US12475791B2 patent drawing

AI summary

A method for avoiding a collision between at least one first traffic participant and at least one second traffic participant. A first movement profile is assigned to the first traffic participant, wherein a second movement profile is assigned to the second traffic participant, wherein a first probability profile is generated from the first movement profile and a second probability profile is generated from the second movement profile, and the probability profile comprises information relating to the probability of the location of the respective traffic participant at a time in the future, characterized in that a collision probability is determined in a mobile device by superimposing the first probability profile and the second probability profile, wherein the probability profile is determined as a probability cone in space.