Real-Time Transit Tracking via Station Sensors and Mobile Feedback
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Solution Overview
Problem
Commuters face uncertainty and wasted time due to unpredictable arrival times of public transportation vehicles, as schedules are often disrupted by traffic, weather, and other factors, and infrequent users lack accessible real-time information.
Innovation Solution
A system comprising wireless communication-enabled reporting devices on vehicles and receiving devices at stations, connected to an internet-enabled back-end server, which allows commuters to access real-time arrival information via their internet-enabled devices.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If commuters arrive early at the station to avoid missing the bus or train, then the reliability of catching the vehicle is improved, but the loss of time increases as commuters waste time waiting
Solution Approach 1:
The system implements real-time feedback by continuously monitoring vehicle location via GPS and communicating arrival status to commuters through mobile devices. This allows commuters to receive actual arrival notifications rather than relying on scheduled times, enabling them to arrive precisely when needed and eliminate excessive waiting while maintaining high reliability of catching the vehicle.
Solution Approach 2:
The system enables commuters to self-monitor vehicle arrival status through their personal mobile devices. Each commuter can independently check real-time vehicle location and receive personalized arrival notifications, eliminating the need for centralized information dissemination and allowing individuals to manage their own waiting time optimization.
2Loss of information
If public transportation operators publish schedules providing arrival and departure times, then the information availability is improved, but the loss of information occurs as schedules are disrupted by traffic, weather, and other factors
Solution Approach 1:
The system replaces the mechanical schedule publishing system with an electronic real-time tracking system. Instead of distributing static schedule information through physical or electronic schedules, the system uses GPS tracking, mobile communication networks, and automated notification systems to deliver dynamic arrival information, maintaining simplicity while dramatically improving information accuracy.
Solution Approach 2:
The system uses universal mobile devices that commuters already possess to deliver transportation information, eliminating the need for specialized information display systems at stations or dedicated communication channels. The mobile device serves multiple functions including receiving arrival notifications, providing route information, and offering real-time vehicle location tracking.
3Adaptability or versatility
If infrequent users or commuters from outside the region use public transportation, then the adaptability of the system is improved, but the loss of information increases as these commuters are unlikely to have schedules readily accessible
Solution Approach 1:
The system introduces mobile communication networks and automated notification systems as intermediaries between the transportation operator and commuters. This intermediary layer delivers real-time arrival information directly to commuters' mobile devices, eliminating the need for commuters to access or retain schedule information themselves, thereby serving both frequent and infrequent users equally effectively.
Data Source
AI summary
A system for tracking a public transportation vehicle includes a reporting device implemented on the public transportation vehicle that transmits a signal including information regarding an identity of the public transportation vehicle and a receiving device implemented on a public transportation station that receives the signal from the reporting device and communicates the information regarding the identity of the public transportation vehicle and a time-stamp regarding an arrival of the public transportation vehicle at the public transportation station. The system further includes an internet-enabled back-end server that receives the communication from the reporting device and stores the identity of the public transportation vehicle and the time-stamp regarding the arrival of the public transportation vehicle at the public transportation station in a database of the back-end server. The back-end server is configured to allow access of its database by an internet-enabled commuter device.