Fault Sample Generation for Virtual Testability Demonstration Test Subject to Minimal Maintenance and Scheduled Replacement

Table 1

Fault modes and their occurrence percentage ratio.

Code	Fault mode	Fault unit	OPR
A1	No signal output	Antenna	7.1%
A2	Unstable signal output	Antenna	3.7%
A3	No rotation output	Pitching motor	10.7%
A4	Angle output tolerance	Pitching motor	7.1%
A5	No turning signal output	Pitching motor driver	12.5%
A6	Turning signal output tolerance	Pitching motor driver	5.4%
A7	No rotation output	Azimuth motor	8.9%
A8	Angle output tolerance	Azimuth motor	5.4%
A9	No turning signal output	Azimuth motor driver	10.7%
A10	Turning signal output tolerance	Azimuth motor driver	7.1%
A11	No control signal output	Motion control card	8.9%
A12	Control signal output error	Motion control card	12.5%