3.5
ARMSacquisitioncycles
..................... 51
3.6
ARMSdecision.ow
....................... 52
4.1
HUMSanalysisprocess.
..................... 60
4.2
Basicdatatypes........................... 60
4.3
Datainterfacelayers.
....................... 61
4.4
Globaldata.ow........................... 63
4.5
Discrepancy
reporting
and
follow-up.
. . . . . . . . . . . . . . 64
4.6
Condition
indicator
with
discrepancy
markers.
. . . . . . . . . 65
5.1
LH
Free
Wheel
Gear
RMS
versus
indicate
airspeed.
.
.
.
.
.
.
70
5.2
LH
Free
Wheel
Gear
RMS
versus
lateral
pitch.
.
.
.
.
.
.
.
.
.
70
5.3
LH
Free
Wheel
Gear
RMS
versus
pitch
attitude.
.
.
.
.
.
.
.
.
70
5.4
LH
Free
Wheel
Gear
RMS
raw
and
corrected
for
environmen-
talchanges.
............................ 71
5.5
Magnitude
PSD
of
fwd
gear
acquisitions
order
by
speed.
. . . 73
5.6
Fwd
gear
H(pe)(ω).
........................
75
5.7
Fwd
gear
H.(ias)(ω)......................... 76
5.8
PSD
of
corrected
fwd
gear
acquisitions
order
by
speed.
. . . . 77
6.1
Normalindicatorbehavior..................... 81
145
6.2
Stepchangeduetomaintenance.
. . . . . . . . . . . . . . . . 81
6.3
Trendduetocomponentdegradation............... 81
6.4
Indicatormodeloverview.
.................... 84
6.5
Normalindicatorbehavior..................... 86
6.6
Normalprogressioncomponents.. . . . . . . . . . . . . . . . . 86
6.7
Stepchangeduetomaintenance.
. . . . . . . . . . . . . . . . 87
6.8
Stepprogressioncomponents.
.................. 87
6.9
Trendduetocomponentdegradation............... 88
6.10
Trendprogressioncomponents.
. . . . . . . . . . . . . . . . . 88
6.11
Progression
generated
by
the
con.guration
(Tab.
6.4)
.
.
.
.
.
89
6.12Indicatordecomposition. 中国航空网 www.aero.cn 航空翻译 www.aviation.cn 本文链接地址：OPTIMIZATION OF FAULT DIAGNOSIS IN HELICOPTER HEALTH AND USA(78)
