Acoustic Bearing Defect Detector

This acoustic bearing defect detector uses microphone arrays to collect bearing acoustic signatures. It picks defective bearings on passing trains at line speed.

TADS Acoustic Bearing Detector (ABD) - Image 1

Technical Specifications

System Overview

Acoustic Bearing Defect Detection

The Acoustic Bearing Detector is an advanced wayside system designed for the unattended monitoring of railway rolling stock. By utilizing specialized microphone arrays to collect acoustic signatures from passing trains, the system identifies anomalies such as spalls, flaws, and scratches on bearing components. This proactive maintenance tool helps operators prevent severe bearing failures and derailments through real-time data analysis and classified automated alerts.


Technical diagram showing acoustic sensor array placement and defect classification logic
Sensor array configuration and defect classification workflow for proactive bearing maintenance.

Technical Capabilities

Frequency Analysis Range
35000 Hz
Amplitude Resolution
0.001 units
Supported Train Fleets
FreightHigh-speedPassengerMixed Traffic

Acoustic signature frequency spectrum analysis
Real-time frequency spectrum analysis used to isolate specific bearing wear patterns.

Operational Performance

Operating Speed Range

20 km/h
Min Speed
120 km/h
Max Speed

System Capacity
256 vehicles
Environment Compatibility
TropicalFreezingDesertIP65 Rated

System Integration

Connectivity

  • Built-in TCP-IP
  • CTC Integration via SMS
  • CTC Integration via Email
  • Web-based database polling

Compliance and Quality

Quality Compliance

ISO 9001CEGB Standards

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