Mathematical Problems in Engineering / 2015 / Article / Tab 1

Research Article

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

Table 1

Fault modes and their occurrence percentage ratio.

CodeFault modeFault unitOPR

A1No signal outputAntenna7.1%
A2Unstable signal outputAntenna3.7%
A3No rotation outputPitching motor10.7%
A4Angle output tolerancePitching motor7.1%
A5No turning signal outputPitching motor driver12.5%
A6Turning signal output tolerancePitching motor driver5.4%
A7No rotation outputAzimuth motor8.9%
A8Angle output toleranceAzimuth motor5.4%
A9No turning signal outputAzimuth motor driver10.7%
A10Turning signal output toleranceAzimuth motor driver7.1%
A11No control signal outputMotion control card8.9%
A12Control signal output errorMotion control card12.5%

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