Shock and Vibration / 2015 / Article / Fig 2

Research Article

Screw Performance Degradation Assessment Based on Quantum Genetic Algorithm and Dynamic Fuzzy Neural Network

Figure 2

Vibrations of screw fixed end under different service life: (a) vibration of 0.5-year-service screw, (b) vibration of 2-year-service screw, (c) vibration of 5-year-service screw, and (d) vibration of 7-year-service screw.