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原代码
在CAD中的LISP进行编辑。
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% ? _" x8 t B" ^, _( N! R, O& f5 i! n+ `(defun sqr (xx) (* xx xx))8 w# F3 S% m" O8 i* w1 |9 G5 \
7 p1 }$ d5 }( w. \& ~% R(defun p1 () ;计算l2连杆靠近曲柄的联接点坐标
, ?+ d, W5 H) _2 U (setq deg (/ (* deg pi) 180))7 v+ m+ }+ H/ m7 A! l
(setq x1 (* r (cos deg)))
% {! ^" l8 D' H8 e, e7 A (setq y1 (* r (sin deg)))4 f6 \# D: X, {% S
(setq po1 (list x1 y1))3 @, [; b. q( k8 s
)
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5 R% g( v% c' ]- G(defun p3 () ;计算l4连杆靠近曲柄的联接点坐标+ q( p7 d9 A0 T& b Q& v5 M
(setq deg1 (+ deg (/ pi 2)))8 ^" u: f. H% y
(setq x3 (* r (cos deg1)))# f# D6 S# }) b8 ]- C
(setq y3 (* r (sin deg1)))8 W" F8 J4 j1 T, _- [9 ]9 L4 o e) V1 {
(setq po3 (list x3 y3))
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$ D; L3 [: H/ d2 B(defun p2 () ;计算Y3摇臂与连杆L2的铰接点坐标
; I, w: Z }; j0 l (setq c x5)
1 w' {: a4 v3 b7 |% [0 S5 F (setq a x1)6 q+ I. s ], ^. R+ n- v( d' V, m; Z
(setq b y1)1 D6 ?! x! Y. }/ ^1 d+ |/ s
(setq d y5)& H& H6 O4 R5 R
(setq e (- (+ (sqr a) (sqr b)) (sqr l)))
( Y! `# E2 Z/ k, G! @ (setq f (- (+ (sqr c) (sqr d)) (sqr p)))
& d# ^2 `; s0 n: i O5 P6 B. D! C& q. E (setq g (+ (* 2 (sqr a)) (- e) f (* -2 c a)))$ E8 _* b3 M( g6 A( D
(setq h (* 2 (- b d)))+ A+ T! V, c' w) p" j$ L
(setq i (* 2 (- a c)))% S p: R! Z5 ~# h0 [
(setq j (- (sqr a) e))
+ `& ?# q6 g' D5 `& {* _ (setq j1 (* -1 (+ (sqr h) (sqr i))))9 {9 y1 b+ W- J3 Q& \8 {% L
(setq j2 (- (* 2 b (sqr i)) (* 2 g h)))2 l9 a# ?$ B3 t& w
(setq j3 (- (* (sqr i) j) (sqr g)))) S- [0 q# G- B/ o) a
(setq y2 (/ (+ (- j2) (- (sqrt (- (sqr j2) (* 4 j1 j3))))) (* 2 j1)))
9 R: n3 b) }2 C! @) \# |' J (SETQ X2 (+ A (SQRT (+ (SQR A) (- E) (- (SQR Y2)) (* 2 B Y2)))))+ E: B4 C9 C) m) K: p; F
(setq po2 (list x2 y2))
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+ L6 O8 F; o" \3 C N(defun p4 () ;计算Y5摇臂与连杆L4的铰接点坐标
" W' B9 @( M! n( C! N# B (setq c x6)* h- g) W, s5 x
(setq a x3)
1 e, i) I8 S: W3 @" Z; W* a (setq b y3); i. E ~+ H* {% u( n1 j1 x
(setq d y6)( ?" Y9 E, V5 N P+ ~. r% _
(setq e (- (+ (sqr a) (sqr b)) (sqr l)))
5 k0 J+ H; @3 ~2 a R+ z (setq f (- (+ (sqr c) (sqr d)) (sqr p))), D8 o2 B0 [: {6 C
(setq g (+ (* 2 (sqr a)) (- e) f (* -2 c a)))
$ V' o& U$ S, N' ~ (setq h (* 2 (- b d)))
; B# C$ t; n( P7 {! G8 ^- c5 u9 ^6 C (setq i (* 2 (- a c)))7 e5 g" H7 S, \
(setq j (- (sqr a) e))
7 i% I. `: n+ r2 ?/ n2 o (setq j1 (* -1 (+ (sqr h) (sqr i))))) i3 B. F ?# f1 O
(setq j2 (- (* 2 b (sqr i)) (* 2 g h)))* J) F" z: f/ } ?
(setq j3 (- (* (sqr i) j) (sqr g))), b% X, f2 W* Q0 m
(setq y4 (/ (+ (- j2) (+ (sqrt (- (sqr j2) (* 4 j1 j3))))) (* 2 j1)))6 O5 O' G- P' e5 }/ d
(SETQ X4 (- A (SQRT (+ (SQR A) (- E) (- (SQR Y4)) (* 2 B Y4))))): G" p3 H: I6 K; y: \1 w
(setq po4 (list x4 y4))
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6 E9 F( U" m& I% l9 M" s- M$ T(defun jdl2 () (atan (- y2 y1) (- x2 x1))) ;计算连杆L2的转动角度# O! f* f' T7 ]* z1 C- |: X
(defun jdy3 () (atan (/ (- y2 y5) (- x2 x5)))) ;计算摇臂Y3的转动角度
# G* W% M; ~+ a( l) z! Z9 l(defun jdl4 () (atan (- y3 y4) (- x3 x4))) ;计算连杆L4的转动角度1 [% n0 E2 J# H2 \: K) r# b/ a
(defun jdy5 () (atan (- y4 y6) (- x4 x6))) ;计算摇臂Y5的转动角度
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0 O% I/ J$ g M0 z- v! g(defun c:fx ()
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! |4 _6 o7 e0 V7 \3 m- Y- e/ M (SETQ qss(GETREAL "\n 演示旋转圈数:"))7 f* L$ O% u; u( A/ n# m
(SETQ degsetp(GETREAL "\n 角度增量:"))
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7 b5 g2 p/ [/ M1 b! X (setq pz (getvar "osmode")), X0 s5 l3 u6 k1 t2 T
(setvar "osmode" 0) - D$ V0 c# d) h! H1 ~1 w: X7 L5 V
(setq echo (getvar "cmdecho"))
3 {$ r% b7 V9 i3 r: U9 ^ (setvar "CMDECHO" 0) ;保存环境参数 并 设置
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I6 C' `8 |2 g* f2 e; (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" a! V3 N5 i) A; Z Z
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(setq cs(- (/ (* 360 qss) degsetp) 1) )
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(setq r 11.5)) L$ Q5 A, {! b, l8 G! ?, x
(setq l 45.5)
$ Z. E" T& m; l' U0 E9 x; @+ R9 W (setq p 51)
* f Y- l! e/ D: E% U$ Q; z (setq po0 (list 0 0)) k [8 _4 `/ a3 x8 O% B- J3 X0 T
(setq x5 61.51)
* w* f& u5 ^: E; n, E5 e% T (setq y5 -27.5)
" @* v% o/ \! `/ C9 B, A2 u$ ^ (setq po5 (list 61.51 -27.5))
; V$ D. J% V0 r5 e/ a3 d! {& E (setq x6 -61.51)
0 n7 u' {) ]/ }- M; ~ (setq y6 27.5)5 [/ d5 ^# i) M. U( Y* i% L, j. {' y$ I( V
(setq po6 (list -61.51 27.5)) ;以上是一些固定参数
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(setq deg 0)% O! ^- Z8 h& ?, _
(setq deg0 deg)
$ K; P- E$ B, J& C (setq rad (/ 180 pi))
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3 D+ R+ E* B! @, u! _ (p1)& y+ `, ?1 M/ A% J. K$ U6 N
(p2)
5 A* K8 A- s+ u2 C) \# n% a (p3)
0 }8 A! e6 W) I (p4)
9 ~& J4 s' ?; B7 m (setq l2jd (jdl2))- n& F) T& n: ], B' c/ T& h
(setq l4jd (jdl4))3 _0 E1 j8 H$ T" y8 c% z% y6 X% u+ F
(setq y3jd (jdy3))1 I3 b9 G* Q. P. j- m
(setq y5jd (jdy5)) ; 计算各块的初始插入参数2 R0 o% S# y6 Q$ a5 l4 S9 L
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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
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7 p& R4 s. i4 A+ R' p (COMMAND "INSERT" "Q1" po0 "" "" (* rad deg))
$ P/ X3 J; b- E& }( t/ x (setq xq1 (entget (entlast)))$ f; g) ~; M6 }; ^$ C9 w, z
(command "INSERT" "l2" po1 "" "" (* rad l2jd))
0 i; I: W; M& f1 a (setq xL2 (entget (entlast)))9 U9 y% |$ D0 p% `, o' k; r& U
(command "INSERT" "Y3" po5 "" "" (* rad y3jd))- ^4 Z' {$ v! w9 t, x
(setq xY3 (entget (entlast)))1 k" c) m- h2 W
(command "INSERT" "l4" po4 "" "" (* rad l4jd)): _: f& y1 t; s! l2 g+ n
(setq xL4 (entget (entlast)))
, z! R- I6 _: Y' M7 h' m! ] (command "INSERT" "Y5" po6 "" "" (* rad Y5jd))
9 _7 o9 I t! W (setq xY5 (entget (entlast))) ;插入各初始块,并选取) T( y1 ~8 ^1 b
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(while (>= cs 0)% |% b) d1 H8 V b
(setq deg0 (+ deg0 degsetp))2 W- f* x' ^5 e6 P
(setq deg (- deg0))( V- K# J, f M8 S
(p1)3 G0 T% E6 j) j# X$ e# |$ }
(p2)
( ~/ q" l$ Q v4 n% J0 i (p3)4 f8 r2 `5 ?7 m* r- f
(p4)" ?9 ~& u+ a. Z6 O$ U
(setq l2jd (jdl2))2 e( h/ m6 s& b
(setq l4jd (jdl4))0 I" Z" t) n. j. U! ~
(setq y3jd (jdy3))0 A" c8 B( N3 Q
(setq y5jd (jdy5)) ;计算各块的参数
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& {& r" p1 I7 Y- ~8 f7 E2 W0 F (setq xq1 (subst (cons 50 deg) (assoc 50 xq1) xq1))- b4 O8 @( U6 o" K" h2 e1 s/ V
(setq xL2 (subst (list 10 x1 y1) (assoc 10 xL2) xL2))
1 O5 R1 Z! c/ j7 D0 \) H* s (setq xL2 (subst (cons 50 l2jd) (assoc 50 xL2) xL2))
1 R; x& M( y$ X0 j9 o (setq xy3 (subst (cons 50 Y3jd) (assoc 50 xy3) xy3))
1 Z$ l( [* q3 J1 \% n* B (setq xL4 (subst (list 10 x4 y4) (assoc 10 xL4) xL4))' d4 h4 e! w: c+ v. {! R |: t2 v
(setq xL4 (subst (cons 50 l4jd) (assoc 50 xL4) xL4))
6 k% Q* ^; y6 N1 j5 Y/ j( \ (setq xy5 (subst (cons 50 y5jd) (assoc 50 xy5) xy5)) ;修改各块参数7 y q( @/ n6 i8 F
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; (setq yyy5 (* y5jd (/ 180 pi)))8 x3 @8 e5 k% Y( u) \( E
; (setq yyy51(rtos yyy5 2 15))8 W1 L' G& Z$ K
; (princ yyy51 fff)
$ v* r' ]) I/ O8 Q; (princ "\n" fff) ;将摇臂夹角写入文件( s* r" r: l; `& }( z1 I
% G6 P. I3 c* \ (entmod xq1)
8 d# o- Q: w$ m- V$ Y' U (entmod xy3)& m" {& G& x4 m7 t! f! y
(entmod xl2)
0 i) o V: C% ^( U (entmod xy5); B' o( B; P3 D
(entmod xl4) ;将改好的块写入数据库中( k* T! T5 S$ d* z$ k8 ?) O- Z! Z; J
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(command "DELAY" "0") ;刷新
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(setq cs(- cs 1))
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; (close fff) ;关闭文件. r# U# O5 K. J8 }
(setvar "osmode" pz)! S" D+ g" a4 ^& P
(setvar "cmdecho" echo) ;恢复设置
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发表于 2008-6-9 20:17
