Fig. 1. Force diagram of compressor

Fig. 2. Active vibration reduction method for opposed motor serving as vibration reduction motor

Fig. 3. Active vibration reduction method for external actuators

Fig. 4. Principle of force linear superposition

Fig. 5. Schematic diagram of active vibration reduction principle

Fig. 6. Adaptive vibration control model

Fig. 7. Multi-directional adaptive vibration control system

Fig. 8. Photo of experimental test platform

Fig. 9. Vibration spectrum of compressor without and with control