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原代码
在CAD中的LISP进行编辑。 G) Z( K' f$ H/ \2 y+ e
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(defun sqr (xx) (* xx xx))0 g* I( |# ]$ I# X- s- I5 S
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(defun p1 () ;计算l2连杆靠近曲柄的联接点坐标 Q; L4 S; G6 G* g6 n2 V: W' z
(setq deg (/ (* deg pi) 180))
G+ T3 l/ w* z- m: D" p (setq x1 (* r (cos deg)))
1 u+ }/ H/ \$ D; l (setq y1 (* r (sin deg)))
% {7 x- n0 F$ U$ ], @6 f (setq po1 (list x1 y1))
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(defun p3 () ;计算l4连杆靠近曲柄的联接点坐标+ h7 p! h n8 G# F
(setq deg1 (+ deg (/ pi 2)))
3 w" G% }3 e5 Q) v. X (setq x3 (* r (cos deg1)))6 }) V+ x, H9 o; Z: n2 Q: ?( S! |
(setq y3 (* r (sin deg1)))" S$ P1 g! q7 k
(setq po3 (list x3 y3))9 N9 B# R& r7 S1 A0 [
)
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; D& |2 V$ O( p& D. b$ Z+ V% ?(defun p2 () ;计算Y3摇臂与连杆L2的铰接点坐标
$ D3 [* Q& E1 b. F9 n2 v$ i (setq c x5), [3 X; s1 H# y7 d" `1 s
(setq a x1)
( T6 b* o2 ~! J, t: x w% s (setq b y1)
( S6 g9 \8 h$ U9 L6 m' S (setq d y5)
1 c- @& L) D; L% I; [ (setq e (- (+ (sqr a) (sqr b)) (sqr l)))) \1 ~3 j8 D/ {, e( V' H7 s
(setq f (- (+ (sqr c) (sqr d)) (sqr p)))+ S7 @& \ ]3 j# |# {
(setq g (+ (* 2 (sqr a)) (- e) f (* -2 c a)))& G5 Y7 g5 c' l: O
(setq h (* 2 (- b d)))( K+ v. F. j7 @
(setq i (* 2 (- a c)))
% t) F" c8 C4 v4 x2 m (setq j (- (sqr a) e))
! V3 p$ ^) \( x9 M" \ (setq j1 (* -1 (+ (sqr h) (sqr i))))/ X9 w, e7 {% K( K
(setq j2 (- (* 2 b (sqr i)) (* 2 g h)))# Q; O* b: ~, d& E
(setq j3 (- (* (sqr i) j) (sqr g)))
# B/ C/ W' v+ { (setq y2 (/ (+ (- j2) (- (sqrt (- (sqr j2) (* 4 j1 j3))))) (* 2 j1)))
5 I% N5 o# {! z$ R4 U (SETQ X2 (+ A (SQRT (+ (SQR A) (- E) (- (SQR Y2)) (* 2 B Y2)))))
& R$ Z. z: {8 P1 |# I& R (setq po2 (list x2 y2))
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(defun p4 () ;计算Y5摇臂与连杆L4的铰接点坐标. L) q5 {% C d" w9 j
(setq c x6)! p: c3 P4 C8 {- d
(setq a x3)6 t" M8 j& Z A0 R% ]
(setq b y3)
& d X: w% m8 D6 ^; n (setq d y6)
7 x" X; h9 K7 X, e (setq e (- (+ (sqr a) (sqr b)) (sqr l)))
$ \4 v0 v, `+ n1 T (setq f (- (+ (sqr c) (sqr d)) (sqr p)))
2 }( n7 o" M' s' l (setq g (+ (* 2 (sqr a)) (- e) f (* -2 c a)))$ d, F6 d! }4 h+ O* s3 j( Y
(setq h (* 2 (- b d)))* U, w' l9 ^* o# C$ O
(setq i (* 2 (- a c)))2 G4 |" \! U: Q
(setq j (- (sqr a) e))
% I! j& i( G1 e9 a4 E (setq j1 (* -1 (+ (sqr h) (sqr i))))0 c- t, q" M2 m& j; {+ K% u/ H- _4 |' f
(setq j2 (- (* 2 b (sqr i)) (* 2 g h)))
3 ]1 c, t1 Q* v (setq j3 (- (* (sqr i) j) (sqr g)))
! ~; b' n& l8 _6 ?3 I (setq y4 (/ (+ (- j2) (+ (sqrt (- (sqr j2) (* 4 j1 j3))))) (* 2 j1)))
/ Y: m' h+ _& _/ s* I2 V (SETQ X4 (- A (SQRT (+ (SQR A) (- E) (- (SQR Y4)) (* 2 B Y4)))))
; I3 o7 Y1 [* ~! i7 c1 _5 ] (setq po4 (list x4 y4))
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0 @% M1 Z2 L4 H: L r' e( k(defun jdl2 () (atan (- y2 y1) (- x2 x1))) ;计算连杆L2的转动角度
* {+ D7 N0 ^* Y2 }7 E }7 r(defun jdy3 () (atan (/ (- y2 y5) (- x2 x5)))) ;计算摇臂Y3的转动角度
* L) b& H& B1 P+ a(defun jdl4 () (atan (- y3 y4) (- x3 x4))) ;计算连杆L4的转动角度
$ e; Q% h4 K$ ]; m8 i: [& H(defun jdy5 () (atan (- y4 y6) (- x4 x6))) ;计算摇臂Y5的转动角度3 k# {7 q9 I4 @3 H
: ]' O- l7 a1 U2 K6 w(defun c:fx ()
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( W; I1 S/ `# i (SETQ qss(GETREAL "\n 演示旋转圈数:")) Z1 M2 w+ B1 p/ m% Y( A
(SETQ degsetp(GETREAL "\n 角度增量:"))
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(setq pz (getvar "osmode"))
# {- \8 E8 E& n% r# H (setvar "osmode" 0) ) d0 ?& V, f2 r% y, K9 A
(setq echo (getvar "cmdecho"))
( \$ c8 U0 `& u R (setvar "CMDECHO" 0) ;保存环境参数 并 设置
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; (setq fff (open "d:\\deg.txt" "w")) ;创建文件 可输出关键点坐标,用于位移、速度、加速度分析
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, h" s" N8 |# V" p (setq cs(- (/ (* 360 qss) degsetp) 1) )
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! }% Y" Q, L" p" V& I (setq r 11.5)* s$ z* J- u8 A) T
(setq l 45.5)
( ?& g. M% s! h8 `6 I (setq p 51)
0 f5 E$ Q) r! o* X- k% t (setq po0 (list 0 0))* y+ {2 t7 c, e" E
(setq x5 61.51)
3 ^0 m" n" k- D* j2 _& t2 }8 e; [ (setq y5 -27.5)1 O* N" q/ Y$ r6 l4 I* C% ^
(setq po5 (list 61.51 -27.5))
( L) Q |! e4 Q0 g3 q9 @ (setq x6 -61.51)7 B p! S2 x* T# q
(setq y6 27.5)
4 Q( M- O) ^! U9 F8 b% v. Q (setq po6 (list -61.51 27.5)) ;以上是一些固定参数
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2 m1 w7 U0 F- S6 ^! i3 k- g (setq deg 0)! Z7 m/ y$ S; b' J( q
(setq deg0 deg)) w4 } G7 C; V4 P$ |& y
(setq rad (/ 180 pi))
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(p1)
- E5 z5 W; Y# ^& E (p2)
9 H+ X0 o% ^- m/ E6 s# F- @7 z (p3)
8 T# V9 X/ \9 k; _. T/ ^/ W8 C (p4)3 |# s" J/ n9 y; V
(setq l2jd (jdl2))
5 Y+ q- h' t2 Z9 | (setq l4jd (jdl4))1 J( f& [: ]. Q2 g7 |- @5 {6 M
(setq y3jd (jdy3))8 i `3 u4 x2 h* r, ^7 m9 j# h
(setq y5jd (jdy5)) ; 计算各块的初始插入参数 I2 i4 i' W" R* w1 r2 @6 H
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(COMMAND "ERASE" "ALL" "" ) ;删除所有对象,不需删的对象可以设置到其它图层并将其锁定$ f# H, b% {4 f# e$ O! N
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(COMMAND "INSERT" "Q1" po0 "" "" (* rad deg))
4 I% U6 N4 t% e8 m) L! }9 Z8 [ (setq xq1 (entget (entlast)))
{# P7 z: [; U0 f. D. {. T! I# j (command "INSERT" "l2" po1 "" "" (* rad l2jd))8 A, R- P" z5 A2 k9 {4 ]
(setq xL2 (entget (entlast)))
7 `* |1 U; x" U. R (command "INSERT" "Y3" po5 "" "" (* rad y3jd))
/ c, F: A3 D9 L& ? (setq xY3 (entget (entlast)))7 e; O% E* i& l% T
(command "INSERT" "l4" po4 "" "" (* rad l4jd))
0 E T- F( s) G: |, o6 z4 z5 ]# S" Z (setq xL4 (entget (entlast)))5 ]0 R8 T8 {; `/ ~2 G; D; O
(command "INSERT" "Y5" po6 "" "" (* rad Y5jd))
n9 ^. g. P" ^7 }! F& |2 w (setq xY5 (entget (entlast))) ;插入各初始块,并选取
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. V* p4 @' N6 f0 z (while (>= cs 0)
. g% Q, G$ Y5 B( q' o (setq deg0 (+ deg0 degsetp))
& N& @' E" [; R; [. Q; ?* W% y (setq deg (- deg0))& ]' S7 ^+ V8 C. v$ e7 L% ?
(p1): v& A1 L7 ]; I3 l( r+ S
(p2)# f9 l% N$ @+ C+ h. B! ]9 ]) a* V6 w
(p3)
4 P+ I, _! m+ a8 I; z) \! H (p4)
* g( n3 W% ], f9 q7 q; i (setq l2jd (jdl2))
: k( b5 `8 Y# I! d" C' } (setq l4jd (jdl4))0 N7 ?4 y$ f+ }' l/ n
(setq y3jd (jdy3))8 f+ P4 z9 p+ E4 y4 B B) t
(setq y5jd (jdy5)) ;计算各块的参数9 D8 t ]$ m* o. s6 G& L
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(setq xq1 (subst (cons 50 deg) (assoc 50 xq1) xq1))
) L& n- T9 q S; f' w! X (setq xL2 (subst (list 10 x1 y1) (assoc 10 xL2) xL2))
! U% V# u6 [& O6 `) J* ~6 J3 L# I \ (setq xL2 (subst (cons 50 l2jd) (assoc 50 xL2) xL2))
1 t& V" W5 o- k& o6 f+ t (setq xy3 (subst (cons 50 Y3jd) (assoc 50 xy3) xy3))9 \( Q" K. A) L& u9 W E
(setq xL4 (subst (list 10 x4 y4) (assoc 10 xL4) xL4))& Y0 w, A- ]& v5 i- P" _6 n! b4 Q
(setq xL4 (subst (cons 50 l4jd) (assoc 50 xL4) xL4))# A1 n( I& j1 v) h6 z! t( h1 C
(setq xy5 (subst (cons 50 y5jd) (assoc 50 xy5) xy5)) ;修改各块参数+ w3 O. {! @% u, ?$ T
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& Z" o& A8 f+ Q; (setq yyy5 (* y5jd (/ 180 pi)))
+ F! c+ U" p0 m/ F3 v" @; (setq yyy51(rtos yyy5 2 15))0 B$ W6 v0 ]- w+ |5 |
; (princ yyy51 fff)/ H& b. b+ k, c1 H+ }8 ]
; (princ "\n" fff) ;将摇臂夹角写入文件- U; @. K# ~) y4 _$ a
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(entmod xq1) o7 W7 e6 h( o: L# S: A
(entmod xy3)
/ d0 \3 @( _) T0 J' a7 O2 R (entmod xl2)7 E5 \7 c. u7 n7 Y3 l9 C
(entmod xy5); B- X* G' y2 S& U
(entmod xl4) ;将改好的块写入数据库中
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(command "DELAY" "0") ;刷新
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5 w/ J% b" X J9 F, Z; i (setq cs(- cs 1))
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4 p0 S0 J4 D/ I' L, b+ r$ p/ P; (close fff) ;关闭文件
" z! |# S' c! U (setvar "osmode" pz)9 W8 M" [9 Y, P5 u' ^. B* d
(setvar "cmdecho" echo) ;恢复设置
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