Page 30 - index
P. 30
ɬɨɩɫɚɫɵɧɞɚ ԛɲ ɤԛɲ ԥɫɟɪ ɟɬɿɩ ɬԝɪ, ɨɥɚɪ: ɛɟɪɿɥɝɟɧ ɤԛɲ Ɋ 200ɧ ,
ɫɵɪɵԕɬɚɪɞɵԙ ɛɨɣɵɦɟɧ ɛɚԑɵɬɬɚɥԑɚɧ S1 ɠԥɧɟ S2 ɪɟɚɤɰɢɹɥɚɪɵ.
26-ɫɭɪɟɬ 27-ɫɭɪɟɬ
Ʉɨɨɪɞɢɧɚɬɚ ɨɫɶɬɟɪɿɧ 26-ɫɭɪɟɬɬɟ ɤԧɪɫɟɬɿɥɝɟɧɞɟɣ ԕɚɛɵɥɞɚɩ, ɬɟɩɟ-
ɬɟԙɞɿɤɬɿԙ ɟɤɿ ɬɟԙɞɟɭɿɧ ԕԝɪɚɦɵɡ.
¦ F ix 0 S1 P cosD 0 ,
¦ F iy 0 S2 P sinD 0 .
Ⱥɥɵɧԑɚɧ ɟɤɿ ɬɟԙɞɟɭɥɟɪɞɿ ɲɟɲɿɩ, S1 ɠԥɧɟ S2 ɪɟɚɤɰɢɹɥɚɪɵɧ ɬɚɛɚɦɵɡ.
S1 P cosD 0 S1 P cosD 200 cos 450 141ɧ ,
S2 P sinD 0 S2 P sinD 200 sin 450 141ɧ .
Ɍɚɛɵɥԑɚɧ ɪɟɚɤɰɢɹɥɚɪɞɵԙ ɬɚԙɛɚɥɚɪɵ ɦɢɧɭɫ ɛɨɥɵɩ ɲɵԕɬɵ, ɞɟɦɟɤ,
ɨɥɚɪɞɵԙ ɛɚԑɵɬɬɚɪɵ 26-ɫɭɪɟɬɬɟ ɤԧɪɫɟɬɿɥɝɟɧ ɛɚԑɵɬɬɚɪԑɚ ԕɚɪɚɦɚ-ԕɚɪɫɵ
ɛɚԑɵɬɬɚɥԑɚɧ. Ⱥɬɚɩ ɚɣɬԕɚɧɞɚ, S1 ɫɨɥԑɚ, ɚɥ S2 ɠɨԑɚɪɵ ɛɚԑɵɬɬɚɥԑɚɧ.
ȿɧɞɿ ɋ ɬɨɩɫɚɫɵɧɵԙ ɬɟɩɟ-ɬɟԙɞɿɝɿɧ ԕɚɪɚɫɬɵɪɚɦɵɡ. Ɉɥ ԛɲɿɧ, ɋ ɬɨɩɫɚɫɵɧ
ɨɣɲɚ ɛԧɥɿɩ ɚɥɵɩ, ɨɥ ɬɨɩɫɚɞɚ ԧɡɚɪɚ ɛɿɪɿɤɬɿɪɿɥɝɟɧ Cȼ ɠԥɧɟ CD ɫɵɪɵԕɬɚɪɵɧ
ɨɣɲɚ ɚɥɵɩ ɬɚɫɬɚɣɦɵɡ. Ȼԝɥ ɫɵɪɵԕɬɚɪɞɵԙ ԥɫɟɪ ɟɬɭɲɿ ɤԛɲɬɟɪɿɧ S1/ ɠԥɧɟ S3
ɪɟɚɤɰɢɹɥɚɪɵɦɟɧ ɚɥɦɚɫɬɵɪɚɦɵɡ (27-ɫɭɪɟɬ). ɋɨɧɵɦɟɧ, ɋ ɬɨɩɫɚɫɵɧɞɚ ԛɲ
ɤԛɲ ԥɫɟɪ ɟɬɿɩ ɬԝɪ, ɨɥɚɪ: ɿɡɞɟɥɿɩ ɨɬɵɪԑɚɧ ɤԛɲ F , ɫɵɪɵԕɬɚɪɞɵԙ ɛɨɣɵɦɟɧ
ɛɚԑɵɬɬɚɥԑɚɧ S1/ ɠԥɧɟ S3 ɪɟɚɤɰɢɹɥɚɪɵ.
Ʉɨɨɪɞɢɧɚɬɚ ɨɫɶɬɟɪɿɧ 27-ɫɭɪɟɬɬɟ ɤԧɪɫɟɬɿɥɝɟɧɞɟɣ ԕɚɛɵɥɞɚɩ, ɬɟɩɟ-
ɬɟԙɞɿɤɬɿԙ ɟɤɿ ɬɟԙɞɟɭɿɧ ԕԝɪɚɦɵɡ, ɨɥɚɪ:
¦ F ix 0 F cos E S3 cos 600 S1/ 0 ,
¦ F iy 0 F sin E S3 sin 600 0 .
27-ɫɭɪɟɬɬɟɧ ɤԧɪɿɧɿɩ ɬԝɪԑɚɧɞɚɣ, BC ɫɵɪɵԑɵ ɠԥɧɟ Cȼ ɫɵɪɵԑɵ, ɲɵɧɞɚɩ
ɤɟɥɝɟɧɞɟ, ɛɿɪ ɫɵɪɵԕ ɛɨɥԑɚɧɞɵԕɬɚɧ: S1 S1/ . Ɉɫɵɧɵ ɟɫɤɟɪɟ ɨɬɵɪɵɩ, ɚɥɵɧԑɚɧ
ɟɤɿ ɬɟԙɞɟɭɥɟɪɞɿ ɲɟɲɿɩ, F ɤԛɲɿɧ ɠԥɧɟ S3 ɪɟɚɤɰɢɹɫɵɧ ɬɚɛɚɦɵɡ. Ɉɥɚɪ:
F 122ɧ , S3 70ɧ .
Ԕɚɪɚɫɬɵɪɵɥԑɚɧ ABCD ɤɨɧɫɬɪɭɤɰɢɹɫɵ «ɨɪɧɵԕɫɵɡ» ɤɨɧɫɬɪɭɤɰɢɹ, ԧɣɬɤɟɧɿ
ɨɧɵԙ ɨɪɧɵɧ ɧɟɦɟɫɟ F ɤԛɲɿɧɿԙ ɲɚɦɚɫɵɧ ɫԥɥ ԧɡɝɟɪɬɫɟɤ, ɛԝɥ ɤɨɧɫɬɪɭɤɰɢɹ
28
