Voice-Activated Vehicle Diagnostic System for Hands-Free Test Drives
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Solution Overview
Problem
Current vehicle diagnostic tools require two technicians for test drives, which is impractical and unsafe, especially with evolving driving legislation prohibiting distractions for single drivers.
Innovation Solution
A voice-activated vehicle diagnostic system that allows single technicians to operate hands-free during test drives, using a voice activation control module, vehicle interface, and processing system to receive and analyze data streams from vehicles, providing audible feedback and data storage for later analysis.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a technician operates a scan tool during a vehicle test drive, then diagnostic data can be collected during normal driving conditions, but the technician cannot maintain full attention on driving due to the need to analyze scan tool data readings
Solution Approach 1:
The system separates the diagnostic data collection function from the driving function by using a separate voice recognition module and audio output device. The technician can drive while the system independently collects and processes diagnostic data through voice commands and automated monitoring, eliminating the need to visually check the scan tool display.
Solution Approach 2:
The patent introduces an intermediary audio interface (speaker/headset) between the scan tool and the technician. Instead of directly viewing and analyzing visual data on the scan tool screen, the technician receives diagnostic information through audio feedback, allowing continuous visual attention on the road while maintaining diagnostic awareness.
2Reliability
If two technicians are used for diagnostic test drives, then one can focus on driving while the other monitors scan tool data, but the cost and complexity of the diagnostic process increases
Solution Approach 1:
The scan tool system performs self-monitoring and self-reporting functions through automated data collection and voice-synthesized audio feedback. The system independently tracks diagnostic parameters, compares them against threshold values, and provides alerts without requiring a second technician to manually monitor and interpret the data.
Solution Approach 2:
The patent replaces the mechanical/physical presence of a second technician with an electronic voice recognition and synthesis system. The voice-activated control module and audio output device automate the monitoring and communication functions that previously required human intervention, reducing the workforce requirement from two technicians to one.
3Loss of information
If a technician continuously monitors scan tool data during a test drive, then diagnostic problems can be identified in real-time, but the technician's attention is diverted from safe driving
Solution Approach 1:
The system transitions the diagnostic information delivery from the visual dimension (scan tool display) to the auditory dimension (audio speaker/headset). This dimensional change allows the technician to access diagnostic information through hearing rather than sight, maintaining visual attention on the road while continuously receiving diagnostic alerts and data through audio feedback.
Data Source
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AI summary
A voice activated vehicle diagnostic system provides for hands free operation of the system. Using such a system it is possible for the diagnostic system to be used safely in a test drive of the vehicle with the operator of the system not required to physically touch the system to implement one or more tests as required.