運算式 10: theta Subscript, 2 , Baseline equals 2 pi "p" minus StartFraction, "R" minus "r" Subscript, 1 , Baseline Over "r" Subscript, 1 , Baseline , EndFraction theta Subscript, 1 , Baselineθ2=2πp−R−r1r1θ1
10
運算式 11: "P" Subscript, "x" , Baseline equals left parenthesis, "R" minus "r" Subscript, 1 , Baseline , right parenthesis cosine left parenthesis, theta Subscript, 1 , Baseline , right parenthesis plus "r" Subscript, 1 , Baseline cosine left parenthesis, left parenthesis, StartFraction, "R" minus "r" Subscript, 1 , Baseline Over "r" Subscript, 1 , Baseline , EndFraction , right parenthesis theta Subscript, 1 , Baseline , right parenthesisPx=R−r1cosθ1+r1cosR−r1r1θ1
11
運算式 12: "P" Subscript, "y" , Baseline equals left parenthesis, "R" minus "r" Subscript, 1 , Baseline , right parenthesis sine left parenthesis, theta Subscript, 1 , Baseline , right parenthesis minus "r" Subscript, 1 , Baseline sine left parenthesis, left parenthesis, StartFraction, "R" minus "r" Subscript, 1 , Baseline Over "r" Subscript, 1 , Baseline , EndFraction , right parenthesis theta Subscript, 1 , Baseline , right parenthesisPy=R−r1sinθ1−r1sinR−r1r1θ1
12
運算式 13: left parenthesis, "P" Subscript, "x" , Baseline , "P" Subscript, "y" , Baseline , right parenthesisPx,Py
13
運算式 14: "C" Subscript, 1 "x" , Baseline equals left parenthesis, "R" minus "r" Subscript, 1 , Baseline , right parenthesis cosine left parenthesis, theta Subscript, 1 , Baseline , right parenthesisC1x=R−r1cosθ1
14
運算式 15: "C" Subscript, 1 "y" , Baseline equals left parenthesis, "R" minus "r" Subscript, 1 , Baseline , right parenthesis sine left parenthesis, theta Subscript, 1 , Baseline , right parenthesisC1y=R−r1sinθ1
15
運算式 16: left parenthesis, "x" minus "C" Subscript, 1 "x" , Baseline , right parenthesis squared plus left parenthesis, "y" minus "C" Subscript, 1 "y" , Baseline , right parenthesis squared equals "r" squaredx−C1x2+y−C1y2=r21
16
運算式 17: "C" Subscript, 2 "x" , Baseline equals left parenthesis, "R" minus "r" Subscript, 2 , Baseline , right parenthesis cosine left parenthesis, theta Subscript, 2 , Baseline , right parenthesisC2x=R−r2cosθ2
17
運算式 18: "C" Subscript, 2 "y" , Baseline equals left parenthesis, "R" minus "r" Subscript, 2 , Baseline , right parenthesis sine left parenthesis, theta Subscript, 2 , Baseline , right parenthesisC2y=R−r2sinθ2
18
運算式 19: left parenthesis, "x" minus "C" Subscript, 2 "x" , Baseline , right parenthesis squared plus left parenthesis, "y" minus "C" Subscript, 2 "y" , Baseline , right parenthesis squared equals "r" squaredx−C2x2+y−C2y2=r22
