Passenger Tracking via Vehicle GPS and Access Card Readers
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Solution Overview
Problem
Passengers in transportation services often experience incidents such as boarding the wrong buses, being dropped off at incorrect destinations, or facing safety concerns like robbery due to inadequate tracking and monitoring systems.
Innovation Solution
A passenger tracking system that uses readers installed in vehicles to collect identity and location data via GPS, which is then analyzed by a monitoring system to generate alerts if rules such as correct route adherence, speed limits, and timely drop-offs are violated, also enabling Service Level Agreements for transportation services.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If GPS tracking devices are installed on vehicles, then vehicle location monitoring capability is improved, but passenger safety and incident prevention cannot be fully ensured due to lack of passenger identification and rule violation detection
Solution Approach 1:
The system segments the tracking function into two parts: vehicle tracking (GPS device on vehicle) and passenger tracking (access card swipes at vehicle). This segmentation allows independent optimization of each tracking component while ensuring comprehensive monitoring coverage for both vehicle and passenger, thereby resolving the contradiction between vehicle location monitoring and passenger safety assurance.
Solution Approach 2:
The system implements feedback mechanisms where the monitoring system receives location data from GPS devices and access card data from readers, compares actual travel events against predefined rules, and generates alerts when violations occur. This closed-loop feedback system enables continuous verification and correction, ensuring passenger safety by detecting and reporting rule violations such as wrong destination drops or unauthorized stops.
2Loss of information
If active GPS tracking with real-time monitoring is implemented, then vehicle location data availability is improved, but system complexity and cost increase due to continuous transmission and monitoring infrastructure
Solution Approach 1:
The system uses periodic location data collection at predefined geographic points (stops, routes) rather than continuous monitoring. GPS location data is collected when the vehicle reaches predetermined locations, and access card data is collected at periodic intervals when passengers board or alight. This periodic action reduces data transmission frequency and processing requirements while maintaining sufficient information for safety verification.
Solution Approach 2:
The system introduces an intermediary layer (the monitoring system) that receives and processes data from multiple sources (GPS devices, access card readers) and compares against predefined rules. This intermediary consolidates data processing tasks and provides a centralized location for rule verification and alert generation, managing system complexity by creating a dedicated processing layer rather than distributing complexity across all components.
3Device complexity
If passive GPS tracking with periodic location recording is used, then device simplicity is maintained, but real-time rule violation detection and alert generation capability is lost
Solution Approach 1:
The system implements self-service functionality where the monitoring system automatically receives location and access card data, compares against predefined rules, detects violations, and generates alerts without human intervention. This automated self-service process maintains high rule violation detection efficiency while keeping individual tracking devices simple, as the complex processing is centralized in the monitoring system rather than distributed to each GPS device or reader.
4Reliability
If comprehensive passenger tracking with rule analysis is implemented, then passenger safety and compliance monitoring is improved, but data processing time and computational resources increase
Solution Approach 1:
The system performs preliminary actions by pre-defining rules for safe and compliant travel (approved routes, stops, speed limits, operating hours) before travel events occur. These predefined rules are stored in the monitoring system and used for rapid comparison against actual travel data during transit. This preliminary setup eliminates the need for complex real-time analysis algorithms, reducing data processing time while maintaining comprehensive safety monitoring.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The system effectively tracks passengers and generates alerts for rule violations, ensuring passengers are safely transported to the correct destinations on time, enhancing safety and compliance with service agreements.
Implementation Method 1
location data (or geolocation data) is generated using a positioning system (e.g., GPS)
Data Source
AI summary
A system and method for tracking passengers during travel events and generating alerts if rules for those travel events are violated includes readers, which are installed in vehicles and obtain location data from one or more positioning systems. As passengers enter or exit the vehicles, the passengers swipe access cards in the readers. The readers then tag passenger identity information with the obtained location data. This information is then transmitted to a monitoring system, which generates rules for each of the travel event of the passengers. During the travel events, the received location data and time information is analyzed and to determine if any of the vehicles are violating the generated rules. The monitoring system generates alerts if any of the generated rules are violated.