Brake Noise Detection
The detection of brake noise is based on the comparison of sound and the mechanical vibration amplitude spectrum. The only inputs needed to detect brake noise events are sound and vibration measurements.
Amplitude spectrum calculation with a fast Fourier transform (FFT) algorithm is integrated into the DAQ software. The software detects and tracks multiple brake noise events in multiple sound-vibration detection pairs simultaneously during the measurement. Statistical parameters of the noise event, or any scalar Dewesoft X channel, can be calculated in real-time during an actual brake noise event.
The brake noise solution is very flexible regarding DAQ hardware configurations. With an automatic pairing of defined sound and vibration inputs in detection pairs, the configuration workload is significantly reduced for large measurement setups. Any number of arbitrary channels such as temperature, RPM, brake pressure, etc. can be added, and statistics calculated.
The number of brake systems measured and analyzed is only limited by the available computer resources. Similar to any DewesoftX math modules, Brake squeal can also be used in the post-analysis mode to recalculate the data and correct initial setup mistakes.