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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))
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(defun p1 () ;计算l2连杆靠近曲柄的联接点坐标+ z+ \6 \4 F1 g
(setq deg (/ (* deg pi) 180))
4 [3 g) j5 {* Q( S (setq x1 (* r (cos deg)))
% b% e! s: h1 W; o) W7 z4 p* A (setq y1 (* r (sin deg)))
6 i0 |( A' b+ l4 E2 i (setq po1 (list x1 y1))0 o8 H& Z7 M- O! _/ M2 c
)
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(defun p3 () ;计算l4连杆靠近曲柄的联接点坐标
: W' N" Z T: P0 ~$ R- \2 v, p (setq deg1 (+ deg (/ pi 2)))
$ g: @' P) T: W- W- J7 }: a (setq x3 (* r (cos deg1)))
) v) D3 U' d; H* Y7 T (setq y3 (* r (sin deg1)))" ` ?' J7 q9 o# T
(setq po3 (list x3 y3)); ]& x% e% M) }, S1 m
); `" j/ n( z6 G6 C1 G# C
0 v3 i$ G/ R/ [' Z$ n! i, P; o(defun p2 () ;计算Y3摇臂与连杆L2的铰接点坐标
2 I' u7 h' U! s (setq c x5). ~9 x$ b7 B0 V) Y& E9 [
(setq a x1)# N7 Y, J. q6 {2 K
(setq b y1)0 N9 v8 C! l" e: p* ~# \
(setq d y5)( h( K7 Z- w+ \6 D
(setq e (- (+ (sqr a) (sqr b)) (sqr l)))$ d" U. o2 A2 c) d8 v
(setq f (- (+ (sqr c) (sqr d)) (sqr p)))
7 x4 z0 M8 j) x (setq g (+ (* 2 (sqr a)) (- e) f (* -2 c a))): i' v4 J5 h0 g' n# E: A$ l( I& Q
(setq h (* 2 (- b d)))3 M) t2 e- ?! H
(setq i (* 2 (- a c)))
! R8 [. [ u* P7 p% N# _4 F5 H (setq j (- (sqr a) e))
5 j3 J0 V$ g3 n (setq j1 (* -1 (+ (sqr h) (sqr i))))- G2 W% e' V' D/ s5 V
(setq j2 (- (* 2 b (sqr i)) (* 2 g h)))3 q0 R/ K$ g8 m/ H3 d
(setq j3 (- (* (sqr i) j) (sqr g)))
( }9 L) g' C6 L$ R2 w, L (setq y2 (/ (+ (- j2) (- (sqrt (- (sqr j2) (* 4 j1 j3))))) (* 2 j1)))
% B8 M6 o+ M& Z( c+ [7 A (SETQ X2 (+ A (SQRT (+ (SQR A) (- E) (- (SQR Y2)) (* 2 B Y2))))); w7 d% V7 a; a7 G6 F, z S: n$ G
(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0 x# e: K3 a+ X& e2 @% E( j
(setq c x6). N4 y# j& J3 ?5 \7 ^
(setq a x3)
- _2 _% C7 T4 L4 ?7 @ (setq b y3), [# H) _9 m; X9 J! A( y K" H
(setq d y6)1 H8 {2 T8 k( @/ |$ C
(setq e (- (+ (sqr a) (sqr b)) (sqr l)))
8 S' b0 P. g& G' S- W+ X; S (setq f (- (+ (sqr c) (sqr d)) (sqr p)))
8 i4 G, I9 u } (setq g (+ (* 2 (sqr a)) (- e) f (* -2 c a)))- _8 o* k6 |. g4 h/ g
(setq h (* 2 (- b d)))3 d5 ?+ F; v- U' p. v% P
(setq i (* 2 (- a c)))* e, Q% V/ h3 h; c6 b
(setq j (- (sqr a) e))
9 u) @" Q: B* H( ^, E* C' ^; U0 {3 a& K (setq j1 (* -1 (+ (sqr h) (sqr i))))
: ]' z3 b1 `# ]) t- m (setq j2 (- (* 2 b (sqr i)) (* 2 g h)))
, T1 `5 O; \+ F [$ S (setq j3 (- (* (sqr i) j) (sqr g)))
5 T9 t: b7 G* o; f% g (setq y4 (/ (+ (- j2) (+ (sqrt (- (sqr j2) (* 4 j1 j3))))) (* 2 j1)))
& D2 F: H% r2 t- V" o (SETQ X4 (- A (SQRT (+ (SQR A) (- E) (- (SQR Y4)) (* 2 B Y4)))))# F, r* _* p/ R. [5 @' R* |$ B
(setq po4 (list x4 y4))' O- w% [$ T$ b0 j' m
)
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8 ?: N- y; Q! i0 `8 i$ P(defun jdl2 () (atan (- y2 y1) (- x2 x1))) ;计算连杆L2的转动角度" w7 g- Q' @, u0 @0 b" a% |
(defun jdy3 () (atan (/ (- y2 y5) (- x2 x5)))) ;计算摇臂Y3的转动角度 {1 i0 Y2 |% j& o" p7 N
(defun jdl4 () (atan (- y3 y4) (- x3 x4))) ;计算连杆L4的转动角度2 F; {$ S$ D9 |+ x& q
(defun jdy5 () (atan (- y4 y6) (- x4 x6))) ;计算摇臂Y5的转动角度
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(defun c:fx ()
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(SETQ qss(GETREAL "\n 演示旋转圈数:"))
3 k: y3 N* t2 { (SETQ degsetp(GETREAL "\n 角度增量:"))4 `. S( F5 n% l1 [+ v
" N1 @8 W) s0 n% ]3 H+ {1 ? (setq pz (getvar "osmode"))
: K- J8 S8 D4 V; \- z6 ^) y4 d" e' G (setvar "osmode" 0)
: n( T1 `; |: \) N: v (setq echo (getvar "cmdecho"))2 B# M, I5 n9 _' |- J; I
(setvar "CMDECHO" 0) ;保存环境参数 并 设置 W* L/ V7 ^8 D
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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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(setq cs(- (/ (* 360 qss) degsetp) 1) )( w3 W$ @: }7 F, Z8 F2 o: z
, @% D- F: W' z (setq r 11.5)
& _: T- s0 H" x3 E$ ] (setq l 45.5)2 ~! |! y; h4 ^ H2 A
(setq p 51)
6 ^* U, S @2 o6 I2 W9 N (setq po0 (list 0 0))% K0 m2 k8 F) I, X) }3 `' {+ `
(setq x5 61.51)
5 U1 P# N4 h1 n& o+ R6 J5 K (setq y5 -27.5)8 z' b! V( P2 q9 _
(setq po5 (list 61.51 -27.5))
) b" o5 a( ?) a6 v8 I7 B! t# M8 H (setq x6 -61.51)* r7 s$ Q2 |# D1 q' b' E- E
(setq y6 27.5)
# {) x- H9 V' \ f6 E (setq po6 (list -61.51 27.5)) ;以上是一些固定参数
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(setq deg 0)9 [: `3 g/ ^4 s$ H+ v. P
(setq deg0 deg)
, t5 |2 f* z3 T. y (setq rad (/ 180 pi))
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7 |! L; n3 ]$ R0 j w (p1)
Y: R! E" f1 P( H# D# F6 n0 m (p2)
5 q8 `/ f! x+ d* e/ } (p3)
3 `' u, d) K/ M% \ (p4): Y# ^5 s1 N) N( f2 I; O
(setq l2jd (jdl2)); I3 S" l- Q( v7 ]/ f& i
(setq l4jd (jdl4))
, P: v0 Q4 S) s4 a4 [0 w (setq y3jd (jdy3))
6 F1 v! l* }9 f: K1 L (setq y5jd (jdy5)) ; 计算各块的初始插入参数 V2 d v1 d6 N( s: l! x) A }+ d
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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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9 c7 s! O; E% @( K# p1 @8 m (COMMAND "INSERT" "Q1" po0 "" "" (* rad deg))0 W) B9 O9 u0 h1 S3 r
(setq xq1 (entget (entlast)))
: r% s# Q3 E c1 B (command "INSERT" "l2" po1 "" "" (* rad l2jd))' V5 j9 g, ?' u4 { s
(setq xL2 (entget (entlast)))
( J: B6 I# f7 ~8 B! D- _: S6 C (command "INSERT" "Y3" po5 "" "" (* rad y3jd))( V; F2 R5 L5 G! {9 v% ~
(setq xY3 (entget (entlast)))
3 v( g( P) t4 ~ (command "INSERT" "l4" po4 "" "" (* rad l4jd))
7 j! G: g+ u7 Q (setq xL4 (entget (entlast)))
3 Y8 Y+ ?, {( B. ~0 { (command "INSERT" "Y5" po6 "" "" (* rad Y5jd))/ ^1 S/ o# X5 d o4 Y! S
(setq xY5 (entget (entlast))) ;插入各初始块,并选取# Z9 F7 x7 [2 I T; Y
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(while (>= cs 0)3 {& H2 v% ~; c( ^; e# b9 }
(setq deg0 (+ deg0 degsetp))* [6 ~, n9 F# ^% f) T; Q4 `4 Y
(setq deg (- deg0))/ @6 R4 }# ~: B7 V
(p1)
J# c9 C5 ]; Y8 { K6 { (p2)
4 s7 Y; c* d8 ~/ |4 t (p3)2 w, l2 W$ s+ Y) g
(p4)! E' ^4 C: [/ L- c$ a
(setq l2jd (jdl2))9 z9 f5 {; ?( O+ L6 g# L; T
(setq l4jd (jdl4))0 N7 i. D' e0 U3 `. E. S
(setq y3jd (jdy3))7 p) I. o: E4 X
(setq y5jd (jdy5)) ;计算各块的参数% ~0 I) H6 y/ V) R; S9 k6 M
Z4 ]0 @# v; j. P3 |" R r (setq xq1 (subst (cons 50 deg) (assoc 50 xq1) xq1))( g$ H1 T3 ~" L/ }
(setq xL2 (subst (list 10 x1 y1) (assoc 10 xL2) xL2))( S2 x3 v* g1 W9 h# m) `
(setq xL2 (subst (cons 50 l2jd) (assoc 50 xL2) xL2))
9 d6 J c& e2 w7 n (setq xy3 (subst (cons 50 Y3jd) (assoc 50 xy3) xy3))- C7 S0 i6 I: |: W
(setq xL4 (subst (list 10 x4 y4) (assoc 10 xL4) xL4))7 N1 A$ Y2 f8 t" L) p6 t
(setq xL4 (subst (cons 50 l4jd) (assoc 50 xL4) xL4))2 J' _7 ?. e* [2 t
(setq xy5 (subst (cons 50 y5jd) (assoc 50 xy5) xy5)) ;修改各块参数
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( G) X5 h7 l" F( }: P; (setq yyy5 (* y5jd (/ 180 pi)))
& g/ @. d! a/ p1 k. J& j5 W2 B4 v) G; (setq yyy51(rtos yyy5 2 15))
- H) T) v( Y$ @' b1 d1 t( O7 n9 M; (princ yyy51 fff). c! p$ m( \+ V5 [* o6 @
; (princ "\n" fff) ;将摇臂夹角写入文件
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(entmod xq1)
* l0 y# u6 g4 X/ _* i) D% u (entmod xy3)
$ A" s h% {6 Z. @7 _5 @3 c8 C/ o (entmod xl2)4 b& V* Z: v/ H4 S# y: x* `( l* r$ K
(entmod xy5)
+ e$ K1 {4 ]7 a& `8 w: y- W# A (entmod xl4) ;将改好的块写入数据库中
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2 ^) {. F8 ~/ |; d' U (command "DELAY" "0") ;刷新
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; \+ Z- X3 \# `! z9 X( [ W0 o: m (setq cs(- cs 1))
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; (close fff) ;关闭文件
; ~' H, \0 }) \1 F2 s) P& z (setvar "osmode" pz)( |+ N q% Q6 d4 Y! g# c! j
(setvar "cmdecho" echo) ;恢复设置5 k* m( p( Z5 b. M
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发表于 2008-6-9 20:17
