A Diagnosis Framework for High-reliability Equipment with Small Sample Based on Transfer Learning

Figure 6

Typical faults of airborne fuel pump. (a) Blade damage; (b) Diffusion pipe damage; (c) Pump port and impeller rub; (d) Diffusion pipe and impeller rub; (e) Sealing ring aging; (f) Bearing wear.

(a)

(b)

(c)

(d)

(e)

(f)