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Análise de Observabilidade e Processamento de Erros Grosseiros ...

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4.6 Tratamento <strong>de</strong> erros <strong>de</strong> medidas e <strong>de</strong> topologia 125<br />

( P<br />

corr<br />

) ( )<br />

12 1, 53<br />

P21<br />

corr =<br />

−<br />

−2, 54<br />

( ) −0, 2857 0, 2857 −1 ( ) −0, 550<br />

0, 2857 0, 7143<br />

−0, 460<br />

Logo,<br />

( P<br />

corr<br />

) ( )<br />

12 0, 614<br />

P21<br />

corr =<br />

−1, 53<br />

ẑ (2) =<br />

⎛ ⎞<br />

P 12 1, 53<br />

P 21 −1, 53<br />

P 13 0, 40<br />

P 23 −0, 726<br />

P<br />

⎜<br />

2 ⎝ −2, 256<br />

⎟<br />

⎠<br />

P 3 0, 324<br />

⎛ ⎞<br />

0, 00<br />

0, 00<br />

0, 088<br />

̂r (2) =<br />

0, 236<br />

⎜ ⎟<br />

⎝ −0, 724 ⎠<br />

−0, 296<br />

⎛ ⎞<br />

0, 00<br />

0, 00<br />

r n (2) = 2, 98<br />

8, 46<br />

⎜ ⎟<br />

⎝ −32, 63 ⎠<br />

−14, 30<br />

Finalmente, a medida P2<br />

m<br />

da medida P2 m, temos:<br />

é indicada como portadora <strong>de</strong> erro grosseiro, realizando a correção<br />

⎛<br />

⎜<br />

⎝<br />

P corr<br />

12<br />

P corr<br />

21<br />

P corr<br />

2<br />

⎞<br />

⎟<br />

⎠ =<br />

⎛ ⎞ ⎛<br />

⎞<br />

P 12 S 1,1 − 1 S 1,2 S 1,5<br />

⎜ ⎟ ⎜<br />

⎟<br />

⎝ P 21 ⎠ − ⎝ S 2,1 S 2,2 S 2,5 ⎠<br />

P 2 S 5,1 S 5,2 S 5,5<br />

⎛ ⎞<br />

1, 545<br />

⎞<br />

−1, 53<br />

̂r 1<br />

⎜ ⎟<br />

0, 49<br />

⎝ ̂r 2 ⎠ =<br />

−0, 49<br />

̂r 5 ⎜ ⎟<br />

⎝ −2, 049 ⎠<br />

−1 ⎛<br />

0, 028<br />

ẑ (3) =<br />

⎛ ⎞<br />

P 12 1, 53<br />

P 21 −1, 53<br />

P 13 0, 505<br />

P 23 −0, 519<br />

P<br />

⎜<br />

2 ⎝ −2, 049<br />

⎟<br />

⎠<br />

P 3 0, 0137<br />

⎛ ⎞<br />

0, 00<br />

0, 00<br />

0, 015<br />

̂r (3) =<br />

0, 029<br />

⎜ ⎟<br />

⎝ 0, 00 ⎠<br />

0, 014<br />

⎛ ⎞<br />

0, 00<br />

0, 00<br />

r n (3) = −0, 52<br />

1, 04<br />

⎜ ⎟<br />

⎝ 0, 00 ⎠<br />

0, 69<br />

Resulta na i<strong>de</strong>ntificação correta das medidas P m 21 e P m 2<br />

com erros grosseiros.

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