GPS Zone Monitoring for Reliable Vehicle Activity Detection
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Solution Overview
Problem
Current methods for monitoring hydrant usage and other activities by water transport vehicles and waste management services are often unreliable and prone to errors, leading to missed revenue opportunities and inefficient billing processes.
Innovation Solution
A monitoring system comprising a processor and communications interface that determines activity based on vehicle location within predefined zones, using GPS data and zone records to accurately track and record activities such as hydrant usage, waste collection, and fluid disposal, without requiring intrusive hardware installations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If manual switching systems are used for monitoring hydrant usage, then the system is simple to implement, but reliability deteriorates due to human error and forgetfulness
Solution Approach 1:
The system enables self-service monitoring where the GPS/GSM unit automatically detects and reports hydrant usage events without requiring manual intervention. The vehicle's location data is continuously tracked and automatically compared against hydrant zone boundaries, eliminating the need for manual button activation by drivers.
Solution Approach 2:
The manual mechanical switching system is replaced with an electronic GPS-based monitoring system. Instead of relying on physical button presses, the system uses satellite positioning technology to automatically detect when a vehicle enters or exits hydrant zones, substituting mechanical human action with electronic automation.
2Measurement precision
If fluid sensors are installed in water tanks for automatic detection, then measurement precision improves, but device complexity and installation difficulty worsen
Solution Approach 1:
The complex fluid sensing system is extracted and replaced with a simpler GPS-based location monitoring system. Instead of installing sensors within the water tank to detect fill levels, the system extracts the monitoring function to the vehicle's position tracking, comparing GPS coordinates against predefined hydrant zone boundaries to infer water collection events.
Solution Approach 2:
The GPS/GSM unit serves multiple functions: it tracks vehicle location for routing purposes, monitors hydrant usage by detecting zone entries, and provides communication capabilities. This multi-functional approach eliminates the need for separate dedicated sensors while achieving reliable automatic detection.
3Reliability
If GPS-based zone monitoring is implemented, then reliability and automation improve, but device complexity increases due to zone data management
Solution Approach 1:
Zone boundary data and hydrant location information are pre-configured and stored in the GPS/GSM unit before field operations begin. The system performs preliminary setup where all monitoring parameters, geographic boundaries, and alert thresholds are established in advance, allowing the device to operate autonomously without complex real-time data management during active monitoring.
Data Source
AI summary
Some embodiments facilitate remote monitoring of an activity at one or more facilities by a vehicle. Data is received at a communications interface from a remote device that is co-located with the vehicle. The data includes a vehicle identifier and a vehicle location indicator. A zone data record is accessed. The zone data record includes a plurality of zones, each zone having a virtual geographical boundary associated with a physical geographical area including at least one facility. It is determined that the vehicle is located within a zone of the zone data record for a preconfigured period of time based on the vehicle location indicator and the zone data record. Responsive to determining that the vehicle is located within the zone for the preconfigured period, performance of the activity at the one or more facilities by the vehicle is determined.