Advertisement
6-
9
&LUFXLW EUHDNHU IDLOXUH SURWHFWLRQ
7KH FLUFXLW EUHDNHU IDLOXUH IHDWXUH SURYLGHV UDSLG
EDFNXS FOHDUDQFH RI IDXOW LQ WKH HYHQW WKDW WKH ORFDO
FLUFXLW EUHDNHU IDLOV WR UHVSRQG WR D WULS FRPPDQG
IURP D IHHGHU SURWHFWLRQ IXQFWLRQ
:KHQHYHU D SURWHFWLRQ IXQFWLRQ LVVXHV D WULS FRP
PDQG WR WKH EUHDNHU D WLPHU 7%) LQ WKH EUHDNHU
IDLOXUH SURWHFWLRQ LV VWDUWHG 7KH WLPHU UXQV DV ORQJ
DV D WULSSLQJ FRPPDQG LV SUHVHQW DQG FXUUHQW FRQ
WLQXHV WR IORZ WKURXJK WKH EUHDNHU SROHV )LJXUH
SURWHFWLRQ
IXQFWLRQ
SURWHF
WULS
6-
)LJXUH 6LPSOLILHG IXQFWLRQ VFKHPH RI FLUFXLW
EUHDNHU IDLOXUH SURWHFWLRQ
1RUPDOO\ WKH EUHDNHU ZLOO RSHQ DQG LQWHUUXSW WKH
IDXOW FXUUHQW 7KH FXUUHQW PRQLWRULQJ VWDJH TXLFNO\
UHVHWV DQG VWRSV WKH WLPHU 7%)
,I WKH WULSSLQJ FRPPDQG LV QRW FDUULHG RXW EUHDNHU
IDLOXUH FDVH FXUUHQW FRQWLQXHV WR IORZ DQG WKH WLPHU
UXQV WR LWV VHW YDOXH 7KH EUHDNHU IDLOXUH SURWHFWLRQ
WKHQ LVVXHV D FRPPDQG WR WULS WKH EDFNXS EUHDNHUV
DQG LQWHUUXSW WKH IDXOW FXUUHQW
7KH UHVHW WLPH RI WKH IHHGHU SURWHFWLRQ LV RI QR LPSRU
WDQFH EHFDXVH WKH EUHDNHU IDLOXUH IHDWXUH LWVHOI UHF
%) 7ULS
7%)
&% ,!
FLUFXLW EUHDNHU
IDLOXUH SURWHFWLRQ
RJQL]HV WKH LQWHUUXSWLRQ RI WKH FXUUHQW
)RU SURWHFWLRQ IXQFWLRQV IRU ZKLFK WKH WULSSLQJ FULWH
ULD DUH QRW GHSHQGHQW RQ FXUUHQW HJ GLVSODFHPHQW
YROWDJH GXULQJ HDUWK IDXOW FXUUHQW IORZ LV QRW D UHOL
DEOH FULWHULRQ IRU SURSHU RSHUDWLRQ RI WKH EUHDNHU
,Q VXFK FDVHV WKH FLUFXLW EUHDNHU SRVLWLRQ FDQ RQO\
EH UHDG IURP IHHGEDFN RI WKH EUHDNHU E\ DQ DX[LOLDU\
FRQWDFW RQ WKH EUHDNHU 7KHUHIRUH LQVWHDG RI PRQL
WRULQJ WKH FXUUHQW WKH IHHGEDFN FRQGLWLRQ LV PRQL
WRUHG )RU WKDW SXUSRVH WKH RXWSXW IURP WKH EUHDNHU
DX[LOLDU\ FRQWDFW PXVW EH IHG WR DW OHDVW RQH ELQDU\
LQSXW RQ WKH UHOD\
SURWHFWLRQ
IXQFWLRQ
SURWHF
WULS
6-
)LJXUH 6LPSOLILHG IXQFWLRQ VFKHPH RI FLUFXLW
EUHDNHU IDLOXUH SURWHFWLRQ FRQWUROOHG
E\ FLUFXLW EUHDNHU DX[LOLDU\ FRQWDFW
,I IHHGEDFN LQIRUPDWLRQ IURP WKH EUHDNHU LV DYDLODEOH
LW LV XVHG DV DQ DGGLWLRQDO FULWHULRQ HYHQ IRU WULSSLQJ
E\ D VKRUWFLUFXLW SURWHFWLRQ IXQFWLRQ 7KLV PHDQV
WKDW WKH EUHDNHU LV DVVXPHG WR EH FORVHG DV ORQJ DV
HLWKHU FXUUHQW IORZ LV GHWHFWHG DQG LW LV QRW LQGLFDWHG
DV FORVHG
0HWKRG RI RSHUDWLRQ
%) 7ULS
7%)
FLUFXLW EUHDNHU
IDLOXUH SURWHFWLRQ
&*&
Advertisement
