Research on Dynamic Reliability of a Jet Pipe Servo Valve Based on Generalized Stochastic Petri Nets

Table 2

The failure rate data and repair rate data of the key elements.

Subsystem	Failure distribution; (10^−6/h)	Repair distribution; (10^−3/h)
Spool ()	Exponent, 0.1	Exponent, 0.5
Valve body ()	Exponent, 0.1	Exponent, 0.5
Bush ()	Exponent, 0.1	Exponent, 0.5
Jet pipe ()	Exponent, 2.0	Exponent, 1.0
Nozzle ()	Exponent, 2.0	Exponent, 1.0
Receiver ()	Exponent, 2.0	Exponent, 1.0
Permanent magnet ()	Exponent, 0.2	Exponent, 1.0
Armature ()	Exponent, 0.2	Exponent, 1.0
Guide magnet ()	Exponent, 0.2	Exponent, 1.0
Spring pipe ()	Exponent, 5.0	Exponent, 1.0
Control coil ()	Exponent, 3.3	Exponent, 1.0