Autonomous Vehicle Emergency Stop Control via Server Classification
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Solution Overview
Problem
There is a lack of effective methods for controlling the emergency stop of autonomous vehicles when requested by emergency vehicles, particularly in scenarios where the vehicle is owned by a business and not privately operated, requiring additional procedures to ensure occupant safety and compliance.
Innovation Solution
The method involves recognizing emergency vehicles through sensors and communication with a server to determine if the situation is an emergency or general stop request, and performing the appropriate stop procedure, including transmitting activation signals, guiding occupants for communication, and identifying safe stop locations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the autonomous vehicle immediately stops upon receiving a stop request from an emergency vehicle, then the emergency response efficiency is improved, but the occupant safety and compliance requirements may be compromised in general situations
Solution Approach 1:
The patent segments the stop request handling into two distinct modes: emergency stop mode for genuine emergencies and general stop mode for non-emergency situations. The server classifies stop requests based on situation information (emergency vs. general) and sends corresponding activation signals, ensuring that immediate stops are reserved for true emergencies while general requests follow a negotiated procedure to protect occupant safety and compliance.
2Reliability
If the autonomous vehicle requires additional procedures for stop requests, then the occupant safety and compliance are ensured, but the emergency response time is increased
Solution Approach 1:
The patent implements preliminary classification of stop requests by the server based on situation information before the autonomous vehicle executes the stop. Emergency stop mode activation signals are prepared in advance for genuine emergencies, allowing immediate execution without additional procedures. General stop mode requests are pre-classified as non-emergency, triggering the negotiation procedure with occupants beforehand, thus saving critical time when true emergencies occur.
3Speed
If the autonomous vehicle autonomously determines stop necessity without occupant agreement, then the emergency response speed is improved, but the occupant rights and compliance requirements are violated
Solution Approach 1:
The patent introduces the server as an intermediary that mediates between emergency vehicle stop requests and autonomous vehicle execution. The server receives stop requests with situation information, classifies them as emergency or general, and sends appropriate activation signals. For general situations, the system negotiates with occupants through the user interface, respecting their rights. For emergency situations, the server directly commands the autonomous vehicle to stop, ensuring compliance with emergency protocols while protecting occupant rights in non-emergency cases.
4Adaptability or versatility
If the autonomous vehicle communicates with emergency vehicle occupants for stop agreement, then the occupant rights are respected, but the communication complexity and time consumption increase
Solution Approach 1:
The patent segments the communication procedure into two distinct pathways: emergency stop mode with direct server-to-vehicle activation without occupant communication, and general stop mode with structured negotiation through the user interface. This segmentation ensures that complex communication procedures are only activated when necessary (general situations), while emergency situations follow a streamlined direct activation path, thus managing communication complexity effectively while respecting occupant rights.
Data Source
AI summary
A method for controlling emergency stop of an autonomous vehicle is provided. The method includes: controlling emergency stop of an autonomous vehicle capable of recognizing a stop request from an emergency vehicle, determining whether a current situation is an emergency situation or a general situation, and performing a procedure corresponding to each situation to stop the autonomous vehicle based on each situation.