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原代码
在CAD中的LISP进行编辑。
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(defun sqr (xx) (* xx xx)), f0 r* G+ [8 i# T& S
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(defun p1 () ;计算l2连杆靠近曲柄的联接点坐标
' H/ @6 c6 B+ ]6 \$ |- z1 s- }8 B (setq deg (/ (* deg pi) 180))7 r" W; d. P; L+ Q V% h3 Z; l0 C
(setq x1 (* r (cos deg)))2 n K8 A: {$ I% _7 c' K7 l) M
(setq y1 (* r (sin deg)))
' [6 Y6 V7 P6 P6 n6 L (setq po1 (list x1 y1)) Q% k8 @9 C4 _5 u
)
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(defun p3 () ;计算l4连杆靠近曲柄的联接点坐标" \! z: ]! i) \, s, h
(setq deg1 (+ deg (/ pi 2)))
" m1 L: z7 _* u* ?2 L6 c6 V* o (setq x3 (* r (cos deg1))); W( J3 Y$ g" X
(setq y3 (* r (sin deg1)))
1 I. p( m! ~. G: s3 T, T5 ]4 x* c (setq po3 (list x3 y3))
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(defun p2 () ;计算Y3摇臂与连杆L2的铰接点坐标% p y) T2 Z- Y* l& x1 L1 [0 o" b
(setq c x5)
8 E: P, g) h9 R& j# V (setq a x1)% `8 p( z2 n' e7 [% m& |' z
(setq b y1)
+ }# K9 b2 E! _) F0 {( g+ l" t3 D (setq d y5)- k. |2 ~; |5 g/ J* K
(setq e (- (+ (sqr a) (sqr b)) (sqr l)))6 V' M' R+ a4 @! W
(setq f (- (+ (sqr c) (sqr d)) (sqr p)))
8 ~) o: C( y/ \9 v2 X% j% _ (setq g (+ (* 2 (sqr a)) (- e) f (* -2 c a)))7 f7 J6 u/ ?+ o3 t. N8 g
(setq h (* 2 (- b d)))
6 v% H) G9 B( C9 N8 Y5 ^ (setq i (* 2 (- a c))). x9 u- D5 o+ \- f
(setq j (- (sqr a) e)), Z; B1 ]5 _/ q( a) \( T
(setq j1 (* -1 (+ (sqr h) (sqr i))))
b* a, K% x% ? (setq j2 (- (* 2 b (sqr i)) (* 2 g h)))
+ x# ^6 r/ k; e# \& K) i* w (setq j3 (- (* (sqr i) j) (sqr g)))
7 z6 K" ^- l F, S) ?4 G4 F9 H. b (setq y2 (/ (+ (- j2) (- (sqrt (- (sqr j2) (* 4 j1 j3))))) (* 2 j1)))+ O' c* x0 U2 Q
(SETQ X2 (+ A (SQRT (+ (SQR A) (- E) (- (SQR Y2)) (* 2 B Y2)))))
6 ~" k* g4 ]1 d& d" R) v (setq po2 (list x2 y2))1 O8 E: m' Z* H9 B. c: }8 J
)
+ W1 ]+ I' Y, N* @(defun p4 () ;计算Y5摇臂与连杆L4的铰接点坐标" h8 N5 t6 F8 Y& r3 W% }7 g
(setq c x6)
# i& R/ g3 C1 p) M (setq a x3)
4 W4 p1 f0 w+ R( M (setq b y3)
. ^1 ~, r6 N" B# M" H2 v2 w9 C4 a- f: K (setq d y6)- b. Q" D0 s- H! t
(setq e (- (+ (sqr a) (sqr b)) (sqr l)))2 {" h* F# z6 P- [$ ]! f8 ]$ U
(setq f (- (+ (sqr c) (sqr d)) (sqr p)))# ]9 b, w; s5 |" `5 k
(setq g (+ (* 2 (sqr a)) (- e) f (* -2 c a))) [' s# p6 Y4 J/ A& y+ }
(setq h (* 2 (- b d))); L4 y$ U0 `0 }+ |
(setq i (* 2 (- a c)))9 Z: N G. f9 C. F: k
(setq j (- (sqr a) e))* J( a$ i; g. S
(setq j1 (* -1 (+ (sqr h) (sqr i))))
/ V5 B, Y% @5 p% Y (setq j2 (- (* 2 b (sqr i)) (* 2 g h)))
" r G, q' i `; y (setq j3 (- (* (sqr i) j) (sqr g)))
/ O& p/ E" x/ Z' I1 E+ w) G (setq y4 (/ (+ (- j2) (+ (sqrt (- (sqr j2) (* 4 j1 j3))))) (* 2 j1)))5 I# @' ~8 q j9 _
(SETQ X4 (- A (SQRT (+ (SQR A) (- E) (- (SQR Y4)) (* 2 B Y4)))))# A7 l/ M4 U0 J S5 d4 a
(setq po4 (list x4 y4))! |. f( u! v' e8 L( P! ~! p( k: ]
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(defun jdl2 () (atan (- y2 y1) (- x2 x1))) ;计算连杆L2的转动角度+ T* G8 e k; d! u- m
(defun jdy3 () (atan (/ (- y2 y5) (- x2 x5)))) ;计算摇臂Y3的转动角度
$ ^6 |9 p9 |" |, P/ H6 T7 \4 S* e(defun jdl4 () (atan (- y3 y4) (- x3 x4))) ;计算连杆L4的转动角度
/ m! t5 o" k$ D(defun jdy5 () (atan (- y4 y6) (- x4 x6))) ;计算摇臂Y5的转动角度" z! h! F( [( B( J# Z$ \
$ Q( K) u& R* \! P5 I(defun c:fx ()
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(SETQ qss(GETREAL "\n 演示旋转圈数:")). i/ a; [0 e$ g
(SETQ degsetp(GETREAL "\n 角度增量:"))& g9 T& p( y+ `1 v
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(setq pz (getvar "osmode"))9 F3 i; H0 {8 [( o: Y+ r$ k
(setvar "osmode" 0) 2 Q# t3 M) ?/ p4 I( |5 @
(setq echo (getvar "cmdecho"))) u" T! d' ^8 d( A
(setvar "CMDECHO" 0) ;保存环境参数 并 设置, b4 P3 \* x) O7 U+ G! L
& r. D' j; \/ @5 s& n/ ~; (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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$ S% w4 A3 _7 i7 e+ ^8 M: r (setq cs(- (/ (* 360 qss) degsetp) 1) )
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: n% s- l9 ^0 Z3 j( Q (setq r 11.5)
O* N2 r. B1 Q: V2 i; ~& c (setq l 45.5)
9 L: N% \4 \/ p$ }7 l! o (setq p 51)
! @( E7 q0 `( I" S. _" K (setq po0 (list 0 0))
+ `. A7 q: ~1 D( s$ O7 u (setq x5 61.51), l8 q; c7 u3 m
(setq y5 -27.5)
6 y2 `$ s# @( S4 T0 s, M- N (setq po5 (list 61.51 -27.5))
: ~/ o/ R7 F" x6 |8 C. t: I: R (setq x6 -61.51)# p& ~) t7 H; b: T" w" \
(setq y6 27.5)& `0 i3 Y9 |4 Y
(setq po6 (list -61.51 27.5)) ;以上是一些固定参数
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/ E7 A0 B q7 q7 L, d" ` (setq deg 0)9 l4 c, }) o: F, B% ^) B8 p1 \# z# Q
(setq deg0 deg)
# N$ V: p: u) i: t: N& n (setq rad (/ 180 pi))5 M8 Q* H* c% s" G
5 q( g0 f0 V# B, U1 H% M+ N (p1)% u4 {% p' l/ H: M
(p2)" [4 q- w9 S0 t( w' h; k& a0 M& Y
(p3)/ ~# _ n. Z7 _
(p4), s: a( _: y/ w! Z0 V
(setq l2jd (jdl2))5 h, ^; E5 Q9 s5 A* I4 ~
(setq l4jd (jdl4))' `" f8 ^( V$ _
(setq y3jd (jdy3))
" }( I% {* n% d2 v (setq y5jd (jdy5)) ; 计算各块的初始插入参数 ]4 v+ q u# x: z+ Q' X
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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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(COMMAND "INSERT" "Q1" po0 "" "" (* rad deg))
f- ]6 m# Q! _$ B$ [: `3 g: t0 u' d (setq xq1 (entget (entlast)))8 \8 B. n6 h9 X/ K8 s- a. t
(command "INSERT" "l2" po1 "" "" (* rad l2jd))
- i4 q, {( ]8 B3 B (setq xL2 (entget (entlast)))
4 K* {6 o/ H5 ], L$ K (command "INSERT" "Y3" po5 "" "" (* rad y3jd))
* o1 m7 P6 o2 u+ f# t (setq xY3 (entget (entlast)))/ d8 y+ N# Y. H1 i
(command "INSERT" "l4" po4 "" "" (* rad l4jd))
0 d" D4 J. @+ E- P- e5 H8 Z( c (setq xL4 (entget (entlast)))
1 L' T+ ~" ]" y" L, U" w (command "INSERT" "Y5" po6 "" "" (* rad Y5jd))
; y( u S! H, u. F1 ^" J# i4 Y (setq xY5 (entget (entlast))) ;插入各初始块,并选取
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(while (>= cs 0)
r" N! i( y' o9 G (setq deg0 (+ deg0 degsetp))
# Q7 h# H, }2 p (setq deg (- deg0))7 u! o! z P1 m, q/ B I6 d" ^
(p1)7 b4 K! n8 P; k# J
(p2)
4 I% h6 i" S" ~+ i: T (p3)
% x. P6 _) B4 u% a5 M (p4)7 \1 X& l$ p% z4 g1 Z
(setq l2jd (jdl2))7 o& t% ?: E0 E g- e% _( n' X0 l1 H
(setq l4jd (jdl4))) z0 A& l: y/ W% Z
(setq y3jd (jdy3)): `0 G" ~6 L8 l! P- p& h) C/ z
(setq y5jd (jdy5)) ;计算各块的参数' B" {+ F$ G3 E. N
% q N- T& \: A. w (setq xq1 (subst (cons 50 deg) (assoc 50 xq1) xq1))/ N. i' [' Z7 f1 d, H
(setq xL2 (subst (list 10 x1 y1) (assoc 10 xL2) xL2))
1 p% }5 g* m- ^ (setq xL2 (subst (cons 50 l2jd) (assoc 50 xL2) xL2))
0 f C0 a2 b! ? (setq xy3 (subst (cons 50 Y3jd) (assoc 50 xy3) xy3))5 R: q4 Y3 d0 A
(setq xL4 (subst (list 10 x4 y4) (assoc 10 xL4) xL4))) L; L5 E: ~1 o9 F& x! k
(setq xL4 (subst (cons 50 l4jd) (assoc 50 xL4) xL4))* |' Z/ q, c5 U2 H# w% t* X0 Y; B
(setq xy5 (subst (cons 50 y5jd) (assoc 50 xy5) xy5)) ;修改各块参数
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; (setq yyy5 (* y5jd (/ 180 pi)))0 o6 e. N! w: |) B& f# l2 l
; (setq yyy51(rtos yyy5 2 15))
" K% [) v" i. ]+ ]& W; (princ yyy51 fff)
/ @. ^. c# ?7 O4 f! s; (princ "\n" fff) ;将摇臂夹角写入文件 B3 l7 t+ ?+ t3 t0 b
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(entmod xq1)
3 U' b2 s. {, y2 M (entmod xy3)
# M3 S- t. J! K2 ?# @4 _ (entmod xl2)/ L6 p0 d7 Z" W
(entmod xy5)' p; O# X2 X1 N% E, f
(entmod xl4) ;将改好的块写入数据库中$ G8 S& r9 Q) i
+ q* ~8 S& O: q/ U! B0 c (command "DELAY" "0") ;刷新. t7 G1 G* C i$ p- [. c( |
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(setq cs(- cs 1))
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5 k- L7 F1 }3 t* [6 _: i0 n; (close fff) ;关闭文件& T' n9 O0 x, F+ v0 a: R0 \
(setvar "osmode" pz)
% e S1 P( U& P0 R (setvar "cmdecho" echo) ;恢复设置* h+ M$ k2 r2 G' c5 j% g
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发表于 2008-6-9 20:17
