Vehicle Gateway Device Real-Time Diagnostic Filtering
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Solution Overview
Problem
Current vehicle and fleet management systems lack efficient real-time diagnostic and prognostic capabilities to prevent vehicle failures, leading to potential downtime and maintenance challenges.
Innovation Solution
A black-box gateway device and computer system configured to interface with engine computers and wireless sensors, processing sensor data to identify issues and transmit relevant information to a vehicle management system, utilizing digital logic circuitry for data filtering and comparison to determine when to send data, thereby enabling real-time preventive maintenance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If sensor data is continuously transmitted to the vehicle management system, then real-time monitoring capability is improved, but data transmission volume and network bandwidth consumption increase
Solution Approach 1:
The gateway device performs preliminary filtering and comparison operations on sensor data before transmission. It compares current sensor readings against stored threshold values and previous data points, pre-processing the data to determine which readings warrant transmission to the vehicle management system.
Solution Approach 2:
The system applies different data transmission qualities to different sensor data based on its characteristics. Critical data that exceeds thresholds or shows significant changes is transmitted immediately with high priority, while normal operational data is filtered out or transmitted less frequently.
2Loss of information
If all sensor data is transmitted to the vehicle management system, then data completeness is improved, but system complexity and processing requirements increase
Solution Approach 1:
The gateway device extracts only the essential and relevant sensor data for transmission to the vehicle management system. It identifies and transmits only data points that meet specific criteria such as exceeding thresholds or showing significant changes, leaving non-critical data local.
Solution Approach 2:
The data transmission process is segmented into different priority levels and categories. The system divides sensor data into critical alerts, significant changes, and normal operational data, transmitting only the necessary segments based on current vehicle conditions and system requirements.
3Productivity
If sensor data is filtered and compared before transmission, then data transmission efficiency is improved, but processing time and computational resources increase
Solution Approach 1:
The gateway device performs filtering and comparison operations at periodic intervals rather than continuously. It samples sensor data at predetermined time intervals and compares these samples against thresholds, reducing the total number of processing operations while maintaining effective monitoring.
Solution Approach 2:
The system performs partial filtering by focusing only on specific critical parameters and thresholds rather than processing all sensor data equally. It applies comparison operations only to data points that have the potential to trigger transmission events, avoiding unnecessary processing of normal operational ranges.
Data Source
AI summary
A black-box gateway device implemented in a vehicle and configured to interface with an engine computer and a plurality of wireless sensors installed in the vehicle, the gateway device can include a transceiver including input ports in communication with conductors that interface with the engine computer installed in an engine of the vehicle, radio frequency communications components comprising dual wireless functionality, including a first functionality for communicating wirelessly within the vehicle and a second functionality for communicating wirelessly over a cellular network disposed outside the vehicle, and one or more antennae that receive wireless signals from the radio frequency components. The transceiver can be configured to wirelessly receive sensor data from the wireless sensors disposed within the vehicle, the sensor data providing information associated with functionality of components of the vehicle.