Research Article
An Intelligent Diagnostic Method for Multisource Coupling Faults of Complex Mechanical Systems
Table 1
Types of sensors and signals.
| Sensor type | Sensors number | Signal type |
| Three-way accelerometers | 2 | Vibration signal | Microphones | 2 | Sound signal | Torque sensors | 1 | Torque signal | Rotary encoders | 1 | Rotating speed signal | Current sensors | 1 | Current signal |
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