Health Diagnosis of Roadheader Based on Reference Manifold Learning and Improved <i>K</i>-Means

<div>The HEI trend of two sensors, (a) the HEI trend of sensor 1, and (b) the HEI trend of sensor 5.</div>

Shock and Vibration

Figure 12: Health Diagnosis of Roadheader Based on Reference Manifold Learning and Improved <i>K</i>-Means 