Page 46 - Порядок эксплуатации средств связи.indd
P. 46
ɝɞɟ m ² ɱɢɫɥɨ ɫɨɫɬɨɹɧɢɣ ɨɛɴɟɤɬɚ P ² ɜɟɪɨɹɬɧɨɫɬɶ ɨɲɢɛɤɢ ɞɢɚ
i j
ɝɧɨɫɬɢɪɨɜɚɧɢɹ ɬ ɟ ɜɟɪɨɹɬɧɨɫɬɶ ɫɨɜɦɟɫɬɧɨɝɨ ɧɚɫɬɭɩɥɟɧɢɹ ɞɜɭɯ ɫɨ
ɛɵɬɢɣ ɨɛɴɟɤɬ ɞɢɚɝɧɨɫɬɢɪɨɜɚɧɢɹ ɧɚɯɨɞɢɬɫɹ ɜ ɬɟɯɧɢɱɟɫɤɨɦ ɫɨɫɬɨ
ɹɧɢɢ i ɚ ɜ ɪɟɡɭɥɶɬɚɬɟ ɞɢɚɝɧɨɫɬɢɪɨɜɚɧɢɹ ɫɱɢɬɚɟɬɫɹ ɧɚɯɨɞɹɳɢɦɫɹ ɜ
ɬɟɯɧɢɱɟɫɤɨɦ ɫɨɫɬɨɹɧɢɢ j
ɋɪɟɞɧɹɹ ɨɩɟɪɚɬɢɜɧɚɹ ɩɪɨɞɨɥɠɢɬɟɥɶɧɨɫɬɶ ɞɢɚɝɧɨɫɬɢɪɨɜɚɧɢɹ
m
0
τ = τ P ,
l ∑ ii
= i 1
ɝɞɟ W ² ɫɪɟɞɧɹɹ ɨɩɟɪɚɬɢɜɧɚɹ ɩɪɨɞɨɥɠɢɬɟɥɶɧɨɫɬɶ ɞɢɚɝɧɨɫɬɢɪɨ
i
0
ɜɚɧɢɹ ɨɛɴɟɤɬɚ ɧɚɯɨɞɹɳɟɝɨɫɹ ɜ ɫɨɫɬɨɹɧɢɢ i P ² ɚɩɪɢɨɪɧɚɹ ɜɟ
i
ɪɨɹɬɧɨɫɬɶ ɧɚɯɨɠɞɟɧɢɹ ɨɛɴɟɤɬɚ ɞɢɚɝɧɨɫɬɢɪɨɜɚɧɢɹ ɜ ɫɨɫɬɨɹɧɢɢ i
W ² ɜɤɥɸɱɚɟɬ ɩɪɨɞɨɥɠɢɬɟɥɶɧɨɫɬɶ ɜɵɩɨɥɧɟɧɢɹ ɜɫɩɨɦɨɝɚɬɟɥɶɧɵɯ
i
ɨɩɟɪɚɰɢɣ ɞɢɚɝɧɨɫɬɢɪɨɜɚɧɢɹ ɢ ɩɪɨɞɨɥɠɢɬɟɥɶɧɨɫɬɶ ɫɨɛɫɬɜɟɧɧɨɝɨ
ɞɢɚɝɧɨɫɬɢɪɨɜɚɧɢɹ
ɋɪɟɞɧɹɹ ɫɬɨɢɦɨɫɬɶ ɞɢɚɝɧɨɫɬɢɪɨɜɚɧɢɹ
l ∑
C = m c P ,
0
⋅
i
i
i=1
ɝɞɟ c ² ɫɪɟɞɧɹɹ ɫɬɨɢɦɨɫɬɶ ɞɢɚɝɧɨɫɬɢɪɨɜɚɧɢɹ ɨɛɴɟɤɬɚ ɧɚɯɨɞɹɳɟ
i
ɝɨɫɹ ɜ ɫɨɫɬɨɹɧɢɢ i
ɉɪɨɝɧɨɡɢɪɭɸɳɢɣ ɤɨɧɬɪɨɥɶ
Ɂɧɚɧɢɟ ɡɚɤɨɧɨɦɟɪɧɨɫɬɟɣ ɢɡɦɟɧɟɧɢɹ ɯɚɪɚɤɬɟɪɢɫɬɢɤ ɨɛɴɟɤɬɨɜ ɷɤɫ
ɩɥɭɚɬɚɰɢɢ ɞɚɺɬ ɜɨɡɦɨɠɧɨɫɬɶ ɨɩɪɟɞɟɥɢɬɶ ɜɟɪɨɹɬɧɵɣ ɦɨɦɟɧɬ ɩɨɹɜɥɟ
ɧɢɹ ɨɬɤɚɡɚ ɢ ɩɪɢɧɹɬɶ ɦɟɪɵ ɩɨ ɟɝɨ ɩɪɟɞɭɩɪɟɠɞɟɧɢɸ ɡɚɦɟɧɚ ɷɥɟɦɟɧ
ɬɚ ɩɪɨɜɟɞɟɧɢɟ ɪɟɝɭɥɢɪɨɜɤɢ ɢ ɬ ɞ ɉɪɨɝɧɨɡ ɦɨɠɟɬ ɛɵɬɶ ɨɞɧɢɦ ɢɡ
ɫɩɨɫɨɛɨɜ ɩɨɜɵɲɟɧɢɹ ɧɚɞɺɠɧɨɫɬɢ ɫɢɫɬɟɦɵ ɫɜɹɡɢ
ɉɨɞ ɩɪɨɝɧɨɡɨɦ ɩɨɧɢɦɚɟɬɫɹ ɧɚɭɱɧɨ ɨɛɨɫɧɨɜɚɧɧɨɟ ɫɭɠɞɟɧɢɟ ɨ
ɜɨɡɦɨɠɧɵɯ ɫɨɫɬɨɹɧɢɹɯ ɨɛɴɟɤɬɚ ɷɤɫɩɥɭɚɬɚɰɢɢ ɜ ɛɭɞɭɳɟɦ ɢ ɫɪɨɤɚɯ
ɢɯ ɨɫɭɳɟɫɬɜɥɟɧɢɹ ɉɪɨɝɧɨɡɢɪɨɜɚɧɢɟ ² ɷɬɨ ɩɪɨɰɟɫɫ ɪɚɡɪɚɛɨɬɤɢ
ɩɪɨɝɧɨɡɨɜ Ɇɟɬɨɞɢɤɚ ɩɪɨɝɧɨɡɢɪɨɜɚɧɢɹ ² ɷɬɨ ɫɨɜɨɤɭɩɧɨɫɬɶ ɫɩɟɰɢ
ɚɥɶɧɵɯ ɩɪɚɜɢɥ ɢ ɩɪɢɺɦɨɜ ɪɚɡɪɚɛɨɬɤɢ ɤɨɧɤɪɟɬɧɵɯ ɩɪɨɝɧɨɡɨɜ
ɉɪɨɝɧɨɡɧɚɹ ɦɨɞɟɥɶ ² ɷɬɨ ɦɨɞɟɥɶ ɨɛɴɟɤɬɚ ɩɪɨɝɧɨɡɢɪɨɜɚɧɢɹ ɢɫ
ɫɥɟɞɨɜɚɧɢɟ ɤɨɬɨɪɨɣ ɩɨɡɜɨɥɹɟɬ ɩɨɥɭɱɢɬɶ ɢɧɮɨɪɦɚɰɢɸ ɨ ɜɨɡɦɨɠɧɵɯ
ɫɨɫɬɨɹɧɢɹɯ ɨɛɴɟɤɬɚ ɜ ɛɭɞɭɳɟɦ ɉɟɪɢɨɞ ɭɩɪɟɠɞɟɧɢɹ ɩɪɨɝɧɨɡɚ ²
ɩɪɨɦɟɠɭɬɨɤ ɜɪɟɦɟɧɢ ɧɚ ɤɨɬɨɪɵɣ ɪɚɡɪɚɛɨɬɚɧ ɩɪɨɝɧɨɡ
ɑɬɨɛɵ ɨɛɨɫɧɨɜɚɬɶ ɜɵɛɨɪ ɦɟɬɨɞɚ ɩɪɨɝɧɨɡɢɪɨɜɚɧɢɹ ɧɟɨɛɯɨɞɢɦɨ
ɢɦɟɬɶ ɤɪɢɬɟɪɢɢ ɤɨɥɢɱɟɫɬɜɟɧɧɨɣ ɨɰɟɧɤɢ ɟɝɨ ɤɚɱɟɫɬɜɚ