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原代码
在CAD中的LISP进行编辑。0 l- W. a X2 W& t+ G) U2 ?% Q
( M+ N# D* N c7 a4 z(defun sqr (xx) (* xx xx))" O9 Z3 t2 G# g# ^2 x1 c1 q6 j
+ {" m, L; @/ Q0 A1 Z8 j8 O% h
(defun p1 () ;计算l2连杆靠近曲柄的联接点坐标
: a( {7 F! G) p8 A* X$ O (setq deg (/ (* deg pi) 180))+ e& Z2 t$ y- G2 r2 X, h
(setq x1 (* r (cos deg))); f8 A8 D( X6 a
(setq y1 (* r (sin deg)))
( Y+ H7 @$ z. ]9 V: ~5 \9 m (setq po1 (list x1 y1)), Q( D0 B+ C- V1 ] i D. m
)+ u) h; ?* w8 k& ?
4 U! h l! b- k% y( Y6 A
(defun p3 () ;计算l4连杆靠近曲柄的联接点坐标
4 v) I! l6 H) \3 z: D( Y% x9 m (setq deg1 (+ deg (/ pi 2))), r, Y3 Q5 W d4 {* M! v3 R
(setq x3 (* r (cos deg1)))
8 h7 O' V8 s" ?$ i (setq y3 (* r (sin deg1)))
$ g4 n ~6 f0 O' M (setq po3 (list x3 y3))( ^8 G7 y# B: L$ r/ k5 A
)& T8 W3 T# L3 |8 C) h, ^
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(defun p2 () ;计算Y3摇臂与连杆L2的铰接点坐标
) V$ [3 }5 Q: e4 h( u (setq c x5)5 \4 m- Q& l, J9 o( a- x
(setq a x1)! A' X5 G: t, q7 `2 y* x$ E7 T8 x
(setq b y1)9 [' I L. W& m3 H" M( s/ ]
(setq d y5)
9 v# X3 b; E/ B j' d (setq e (- (+ (sqr a) (sqr b)) (sqr l)))
( U3 w' E1 ] v# g4 x( V, o' Z (setq f (- (+ (sqr c) (sqr d)) (sqr p)))
( R# B, M/ r' F (setq g (+ (* 2 (sqr a)) (- e) f (* -2 c a)))
# F! ~- A5 o( m% L, f, Q5 p (setq h (* 2 (- b d)))+ F7 Y, `( I; h" Q9 V
(setq i (* 2 (- a c)))
$ K+ h4 ]& H' I/ C9 w0 I# g/ y+ f+ h (setq j (- (sqr a) e))# k& b4 i: h3 R; x e& b- N
(setq j1 (* -1 (+ (sqr h) (sqr i)))), Q% s4 `/ \$ v1 d
(setq j2 (- (* 2 b (sqr i)) (* 2 g h)))$ ]" }8 f3 k6 Y5 w" T5 z/ d7 Z
(setq j3 (- (* (sqr i) j) (sqr g)))
- x' u9 z; Y7 y0 Y% c (setq y2 (/ (+ (- j2) (- (sqrt (- (sqr j2) (* 4 j1 j3))))) (* 2 j1)))
1 h% T T, @9 } (SETQ X2 (+ A (SQRT (+ (SQR A) (- E) (- (SQR Y2)) (* 2 B Y2)))))
: Z; T& v- ?0 M: q$ z9 `- d. X, H: ? (setq po2 (list x2 y2))- Y% h: O- m% v2 W4 O( T7 Z
)& k' Z- ]( S5 m( N# a$ M% r% [; j# J
(defun p4 () ;计算Y5摇臂与连杆L4的铰接点坐标
5 P) l5 B0 s9 j: c( w9 |: i( @) e (setq c x6)
! _ [5 M0 e& e% i, K' |3 E (setq a x3)( H( l% w" n+ t8 w
(setq b y3), n8 _+ L/ z* z) a' J
(setq d y6)4 c( }$ \! o% @/ r8 u/ ^: B1 B1 t! g
(setq e (- (+ (sqr a) (sqr b)) (sqr l)))2 d/ @: ?6 {# Q; J$ H
(setq f (- (+ (sqr c) (sqr d)) (sqr p)))( \1 Q, a# y( u9 J) O
(setq g (+ (* 2 (sqr a)) (- e) f (* -2 c a)))2 D# a( ^( n8 u/ N4 v6 @
(setq h (* 2 (- b d)))
: e- V3 O) Y' ~, f7 F (setq i (* 2 (- a c)))5 z' Q9 q, Y2 H
(setq j (- (sqr a) e))
7 z$ p0 \. E2 t Y2 K+ L (setq j1 (* -1 (+ (sqr h) (sqr i))))
0 U* f L3 z% o$ }! E& _' A (setq j2 (- (* 2 b (sqr i)) (* 2 g h))): d' m' F* m9 \$ \
(setq j3 (- (* (sqr i) j) (sqr g)))
& l, u( y1 Z2 k/ P4 w/ Q (setq y4 (/ (+ (- j2) (+ (sqrt (- (sqr j2) (* 4 j1 j3))))) (* 2 j1)))$ `3 o7 i2 H$ K' t3 ^0 b( U( u
(SETQ X4 (- A (SQRT (+ (SQR A) (- E) (- (SQR Y4)) (* 2 B Y4)))))& K) x) F; [ p l$ r
(setq po4 (list x4 y4)); I* F* b2 I/ k# [) k
)
9 a7 a8 K: p) g( a; G- \. C5 c5 H. z4 S: K
(defun jdl2 () (atan (- y2 y1) (- x2 x1))) ;计算连杆L2的转动角度7 z8 E, k5 D$ `/ s
(defun jdy3 () (atan (/ (- y2 y5) (- x2 x5)))) ;计算摇臂Y3的转动角度
0 r4 h3 o0 D* p2 {9 ^' g/ b(defun jdl4 () (atan (- y3 y4) (- x3 x4))) ;计算连杆L4的转动角度7 u# {- R6 `& a y1 i
(defun jdy5 () (atan (- y4 y6) (- x4 x6))) ;计算摇臂Y5的转动角度
. v3 p' O$ v5 W0 W' f. ?6 a
/ q5 a$ o# ~/ ?' K- @8 ~(defun c:fx ()
' W. `/ K* N: P) @, x+ u& G) j
3 ?6 K( P% X# D( b2 T* z (SETQ qss(GETREAL "\n 演示旋转圈数:"))5 \$ I5 g7 x. E- J, b
(SETQ degsetp(GETREAL "\n 角度增量:"))! O! B, \- e/ t: a; ~# ~* }
$ u- Y% G/ f+ M
(setq pz (getvar "osmode"))
$ R% j$ B p0 K (setvar "osmode" 0) ( ], ]5 ?* n0 [. e
(setq echo (getvar "cmdecho")), E' ^+ w9 X$ ~; `
(setvar "CMDECHO" 0) ;保存环境参数 并 设置4 [) q. j& b0 V8 h2 M
: k; [1 h1 _! N& @4 I* }5 ?" ]; (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5 z8 F7 D4 q! U- r Y8 @* e2 K, X
: d2 ]: |. X- R7 p: ~; R- Y
(setq cs(- (/ (* 360 qss) degsetp) 1) )
, v4 q4 T2 }' O* \1 s3 {% B, c& _, S3 \3 f
(setq r 11.5)& O0 a2 Q7 |0 B6 ~( {6 R
(setq l 45.5), u1 {9 p9 q1 G1 P/ I2 m! _8 N
(setq p 51)6 M% s6 s! Z! G9 G# R- _
(setq po0 (list 0 0))
3 ^" \1 @/ _/ r ~* c% Z+ b( J6 ^7 p (setq x5 61.51)
$ h. U1 _6 Z# ~" Y (setq y5 -27.5)
/ \' J& A8 g" z6 U0 E; I2 P1 k (setq po5 (list 61.51 -27.5)): V6 O5 h0 ?+ h! s3 Y. L) I
(setq x6 -61.51)4 Z+ D1 L V9 ` u" o7 C
(setq y6 27.5)
+ a" z* e& x2 J, {# z! O (setq po6 (list -61.51 27.5)) ;以上是一些固定参数! `; R( n D$ ^; K' l9 z
5 |4 E2 R* h- g (setq deg 0)6 y# N9 }7 M) I+ |, K2 K
(setq deg0 deg)
+ T) d! t! [$ r W (setq rad (/ 180 pi))
: ]& Z6 L, _9 Y# k+ m9 z; k C
1 J, i- ^7 R I/ i8 s# ?; H' c (p1)
. u( l' s& _% A7 X8 h0 d8 o (p2)6 F# R" v6 n3 {/ M; R
(p3)+ P4 S% q; I/ S- s6 S( Y1 W
(p4)/ V: V: H9 }2 h G
(setq l2jd (jdl2))5 g2 ]$ h. n( Q" ~: E5 X( O; B
(setq l4jd (jdl4))
( W/ _+ w2 `* V" w8 m (setq y3jd (jdy3))/ l; x* V- Z! C" d
(setq y5jd (jdy5)) ; 计算各块的初始插入参数$ r# c/ ]* d) m/ g
5 K. D. {( M+ E* d: @; c9 r (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; t+ e* Q* m9 n0 S% W
. o* B" e+ \! K- C (COMMAND "INSERT" "Q1" po0 "" "" (* rad deg))
# q7 N" A/ P. Z( N3 k (setq xq1 (entget (entlast)))
( v$ U; ^4 R- h4 p (command "INSERT" "l2" po1 "" "" (* rad l2jd))5 x% |4 q" E& k3 T
(setq xL2 (entget (entlast)))" p+ t7 D; E, s5 h# }7 K+ o9 I, P2 b
(command "INSERT" "Y3" po5 "" "" (* rad y3jd))# N& {: J4 e) I! L% V% a
(setq xY3 (entget (entlast)))4 D$ a4 f2 u% O4 r; E
(command "INSERT" "l4" po4 "" "" (* rad l4jd))" R- u6 ], \* Z7 o" x% j' L3 }
(setq xL4 (entget (entlast)))# n" G0 T6 _$ P8 Z$ [
(command "INSERT" "Y5" po6 "" "" (* rad Y5jd))! u0 m+ w# n5 m4 d( M8 r- f9 j
(setq xY5 (entget (entlast))) ;插入各初始块,并选取
+ l; I' p5 t! z2 s( a* W/ q% h0 k9 P2 R% V# N8 h' m5 ^- _( b$ z
(while (>= cs 0)
' f- b: b. E" R5 |& M. j (setq deg0 (+ deg0 degsetp))0 q: o2 M$ b( K3 C
(setq deg (- deg0))
' H8 H$ K! d" m, `; C) u. W$ f (p1)
/ U8 ^+ D, \1 i. E; A9 w" I (p2)# }3 T( U; V- E& S2 X
(p3); s$ b9 \2 n: e: Q* T9 _$ C" r7 |
(p4)1 T- h/ \8 t' e6 N ?) A W
(setq l2jd (jdl2))
2 K7 P( a8 g6 }: c; n& y, } (setq l4jd (jdl4))
/ F! N9 A6 k! O8 | (setq y3jd (jdy3))
! G: w$ K0 v, a3 u! W. ]0 E* Z7 U" P (setq y5jd (jdy5)) ;计算各块的参数
5 J6 H9 M' r6 m* P! w! v* B+ s0 T$ T2 `" S+ w* q
(setq xq1 (subst (cons 50 deg) (assoc 50 xq1) xq1))
" ~9 j4 U: w: e2 H& [5 v (setq xL2 (subst (list 10 x1 y1) (assoc 10 xL2) xL2))$ Y; r4 m( c; z# ~* [
(setq xL2 (subst (cons 50 l2jd) (assoc 50 xL2) xL2))' r7 k9 L+ G9 N, J2 C
(setq xy3 (subst (cons 50 Y3jd) (assoc 50 xy3) xy3))" a$ \, Z6 m1 R) T
(setq xL4 (subst (list 10 x4 y4) (assoc 10 xL4) xL4))
& b1 m% e! B2 c S1 i (setq xL4 (subst (cons 50 l4jd) (assoc 50 xL4) xL4))
/ _/ w' { M ?% k* U (setq xy5 (subst (cons 50 y5jd) (assoc 50 xy5) xy5)) ;修改各块参数3 t' T9 R) u. Y' ? z
3 U8 t" l- I0 l& [
`8 e3 ~' Z, G/ J: r& D; M; (setq yyy5 (* y5jd (/ 180 pi)))1 k# K3 ?5 O- X% k
; (setq yyy51(rtos yyy5 2 15))
4 a& |' u3 H9 D- p9 A; (princ yyy51 fff); o+ M; I9 @" w8 V4 f" x5 t
; (princ "\n" fff) ;将摇臂夹角写入文件8 q+ {( Q* s r0 H
& n9 T/ j2 B8 l1 U+ V (entmod xq1)2 _2 X, \* `* K. p# T' c
(entmod xy3)2 m! V7 Y& T4 u" j2 N" q" p9 [; @$ y
(entmod xl2)
- _$ A; k5 U0 n$ c- r3 F (entmod xy5)8 n& ]6 R* F P" B$ O3 x+ L2 \
(entmod xl4) ;将改好的块写入数据库中" V: l$ R% ?( e+ f$ z$ o; ?1 D% ~
, u/ t2 W3 T% c. w" M+ r1 \: ~ (command "DELAY" "0") ;刷新0 p, i% Q# M o4 @: X3 R
) b1 E, [5 @$ y (setq cs(- cs 1))
& G1 g) @2 p6 A& M( ~ )
; z& f+ y5 Q, s; (close fff) ;关闭文件- {. K5 d# ^) {/ }5 t D9 a3 S
(setvar "osmode" pz)/ m: P! D# z% K( D
(setvar "cmdecho" echo) ;恢复设置: I/ k3 \' W8 z0 b2 `
# o# U9 q4 m2 \2 a2 F* y& a# U" W8 [% A/ K4 f/ Y! U
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发表于 2008-6-9 20:17
