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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6 R. p" H/ [6 r
(setq deg (/ (* deg pi) 180))- A1 V" z/ o# |0 i- ?6 Q% [
(setq x1 (* r (cos deg)))
2 g% h% P4 I. _- p% c! m- k (setq y1 (* r (sin deg)))& g6 u& F! q1 C; T# A6 o2 @7 D
(setq po1 (list x1 y1))) V& o% {. ?$ Y' R& ]* y
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(defun p3 () ;计算l4连杆靠近曲柄的联接点坐标* f+ X4 w, p& I5 O" k
(setq deg1 (+ deg (/ pi 2)))
3 }5 {' [- \& m& o @ (setq x3 (* r (cos deg1))): r5 a: R( \0 p; _
(setq y3 (* r (sin deg1)))
6 K# l1 X3 I9 } C" w! N (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9 [3 a0 @2 y+ d: b) ]% D- [* U
(setq c x5), t( ?9 Z( c# [# e
(setq a x1)
1 I9 k: r) v4 f o3 i6 D, O (setq b y1)9 y2 O7 R/ @ E O; V
(setq d y5)
' I, M' ?1 ?4 ]8 G* W) Z (setq e (- (+ (sqr a) (sqr b)) (sqr l)))' i3 Z0 ~% S* |. q
(setq f (- (+ (sqr c) (sqr d)) (sqr p)))
9 z% u3 d& @2 I$ N/ R (setq g (+ (* 2 (sqr a)) (- e) f (* -2 c a)))+ a1 P1 ]! u+ _+ _
(setq h (* 2 (- b d)))
* i" O5 K- _9 @: _% a9 P (setq i (* 2 (- a c)))
- p9 r" ?# w9 y- z1 A4 m6 n (setq j (- (sqr a) e))
# i% U* p6 ^6 a (setq j1 (* -1 (+ (sqr h) (sqr i)))): t* }" Q! }8 o. C$ ?. `+ Q
(setq j2 (- (* 2 b (sqr i)) (* 2 g h)))
* X2 B" T) I6 o! K u (setq j3 (- (* (sqr i) j) (sqr g)))( e( o% v8 N3 C$ R1 F: n: @
(setq y2 (/ (+ (- j2) (- (sqrt (- (sqr j2) (* 4 j1 j3))))) (* 2 j1))) y; y0 Q0 I) ] _+ c
(SETQ X2 (+ A (SQRT (+ (SQR A) (- E) (- (SQR Y2)) (* 2 B Y2)))))7 L5 A1 \: h5 {: H0 Q% m* G4 Q
(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. Z3 V5 w) H$ I& e' Y( z
(setq c x6)5 b! s- |! M7 J6 Q$ R1 ]2 i: T
(setq a x3)) \, V) `* M: P
(setq b y3)
( ^' E5 Q) k* Z. x; q, A8 s. A+ p" ] (setq d y6)0 d8 s% X: p3 B2 \
(setq e (- (+ (sqr a) (sqr b)) (sqr l)))
0 ?3 a* h$ X6 {; P9 M (setq f (- (+ (sqr c) (sqr d)) (sqr p)))
8 B- a/ @6 n1 v9 ?' w (setq g (+ (* 2 (sqr a)) (- e) f (* -2 c a)))
% o& z2 N' m& i7 ^3 I (setq h (* 2 (- b d)))0 T- ]$ j) ^7 \: O
(setq i (* 2 (- a c))): @3 m9 b8 k) G( S, A
(setq j (- (sqr a) e)). m! |& ^8 l' x5 C1 ~: j3 N
(setq j1 (* -1 (+ (sqr h) (sqr i)))): b. K5 ?3 U1 M# G4 H* p
(setq j2 (- (* 2 b (sqr i)) (* 2 g h)))( Q( k+ C$ H Z+ z# y. g9 D
(setq j3 (- (* (sqr i) j) (sqr g)))
, n Z/ E J- Y8 y9 B* {. S( T7 I (setq y4 (/ (+ (- j2) (+ (sqrt (- (sqr j2) (* 4 j1 j3))))) (* 2 j1)))# o/ s5 X' a) ]% [% d0 M% b
(SETQ X4 (- A (SQRT (+ (SQR A) (- E) (- (SQR Y4)) (* 2 B Y4)))))
/ U5 q; p; N. V4 s: W2 ~2 b/ b5 B7 ` (setq po4 (list x4 y4))
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$ j9 [% w$ ?; u0 D(defun jdl2 () (atan (- y2 y1) (- x2 x1))) ;计算连杆L2的转动角度1 C, g( R4 @* R' L1 s
(defun jdy3 () (atan (/ (- y2 y5) (- x2 x5)))) ;计算摇臂Y3的转动角度
( C$ I/ ~! Q" g2 t3 a9 ~(defun jdl4 () (atan (- y3 y4) (- x3 x4))) ;计算连杆L4的转动角度: i' \0 b/ a- C6 a- @% y5 @% F. |7 {
(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 f$ m& {% o( t, X \3 j
(SETQ degsetp(GETREAL "\n 角度增量:"))" q1 p& M" m' r7 \* c
" R/ j) o0 ?/ G, H& K, m# e (setq pz (getvar "osmode"))
! ~! j2 U1 V" y( m6 q (setvar "osmode" 0)
# ~) l% v. j8 Q (setq echo (getvar "cmdecho"))+ _0 o# b; `. S1 ^
(setvar "CMDECHO" 0) ;保存环境参数 并 设置8 B# N% @/ i4 \5 ?8 C; D# m
( o7 V% M" e8 B) d, ?; (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) )( ?! P8 h* v( b8 b! R0 x
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(setq r 11.5)
" K, L* u+ H. p5 ^9 [) E (setq l 45.5)
# W! M, l7 W) D (setq p 51)8 n" o7 T- \( b/ c- t7 O
(setq po0 (list 0 0))2 _2 P8 `0 G J, ?3 {* u3 ^
(setq x5 61.51)
b5 ?; \* q6 l (setq y5 -27.5); B* A% S9 p, T1 R5 `- r
(setq po5 (list 61.51 -27.5))
5 c8 _) Q5 X% n/ q' l (setq x6 -61.51)( \+ I+ j( k' K2 n$ o) }
(setq y6 27.5)7 e8 p4 ]3 J8 x
(setq po6 (list -61.51 27.5)) ;以上是一些固定参数
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(setq deg 0)9 o0 ?( X: K7 y' h1 t
(setq deg0 deg)
# _$ }' K T6 ]2 T (setq rad (/ 180 pi))
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(p1)
1 K: J( @; {, m$ Y! G0 H (p2)
$ {& f6 T7 s( O; A3 r, K0 g! }% D (p3)/ O# s1 |- d+ p4 r/ Y
(p4)
2 h. ]2 o; h1 y1 s, A- ^ (setq l2jd (jdl2))3 V: }" f. `7 C: n- y6 r$ ?* c9 P n
(setq l4jd (jdl4))0 A" [3 P+ k6 b. c. M
(setq y3jd (jdy3))
0 @ ^7 [( z3 w( X* H7 x! [ (setq y5jd (jdy5)) ; 计算各块的初始插入参数
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(COMMAND "ERASE" "ALL" "" ) ;删除所有对象,不需删的对象可以设置到其它图层并将其锁定
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V3 v4 U) _& w8 O (COMMAND "INSERT" "Q1" po0 "" "" (* rad deg))
. ]9 f) ~* D- U, G (setq xq1 (entget (entlast)))! f- t; U$ k$ V7 S+ ~. _* l
(command "INSERT" "l2" po1 "" "" (* rad l2jd))" _( ?! ~( X( p- q' h
(setq xL2 (entget (entlast)))# P5 [5 Y# ]6 H% g2 T) ?9 Z
(command "INSERT" "Y3" po5 "" "" (* rad y3jd))
4 `. j0 z& _! X2 i- z( N2 M (setq xY3 (entget (entlast)))
- D( B) C V5 [7 N* F (command "INSERT" "l4" po4 "" "" (* rad l4jd))
" x, ]4 G4 E7 [0 Z (setq xL4 (entget (entlast)))
' |% c ?; W2 |# j. w+ A* [* r- R (command "INSERT" "Y5" po6 "" "" (* rad Y5jd))9 ]& A. Q- z; X# P' B3 J4 l
(setq xY5 (entget (entlast))) ;插入各初始块,并选取
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3 G: V% h% c1 D (while (>= cs 0); p& A! n% h, |- ]8 i
(setq deg0 (+ deg0 degsetp))
: B0 N& F& w! k% r (setq deg (- deg0))
, t% L% }" V" g3 _: H$ U2 \% J (p1)3 i9 _ O: a; f) L5 Z4 k( d+ ^
(p2)
- V: f6 V( o$ f6 W% r (p3)3 B- P q% w, l
(p4)
2 \) G4 U- _2 a i (setq l2jd (jdl2))
% u0 \+ `0 U, J; s U (setq l4jd (jdl4))
8 }/ X. C5 d, ?1 L2 J4 ^- Q (setq y3jd (jdy3))
4 n* r$ k/ ?, g0 U* B (setq y5jd (jdy5)) ;计算各块的参数
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! q0 t3 G, F- ?! O1 k/ P# s (setq xq1 (subst (cons 50 deg) (assoc 50 xq1) xq1))
W n5 G% B4 X/ u: d( H2 e8 w (setq xL2 (subst (list 10 x1 y1) (assoc 10 xL2) xL2))
( G: G' F* t* N& @! y$ k U' Z$ Q% f (setq xL2 (subst (cons 50 l2jd) (assoc 50 xL2) xL2)): X' v1 q% j! ?: _. Z
(setq xy3 (subst (cons 50 Y3jd) (assoc 50 xy3) xy3))6 I6 i- K' x! D# d0 g; ~
(setq xL4 (subst (list 10 x4 y4) (assoc 10 xL4) xL4))
; _* u$ b& ^2 G+ ?( c9 a (setq xL4 (subst (cons 50 l4jd) (assoc 50 xL4) xL4))0 g5 B2 z. g0 E# c) R; D, @7 o% z
(setq xy5 (subst (cons 50 y5jd) (assoc 50 xy5) xy5)) ;修改各块参数
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& R6 \# s9 i/ u+ c/ W" U; (setq yyy5 (* y5jd (/ 180 pi)))& ]7 L6 {' m( o9 Y$ B$ `- j/ M
; (setq yyy51(rtos yyy5 2 15))
1 J* ?& s, P7 [- v" r/ ]+ r1 h; (princ yyy51 fff)
2 c6 o2 z, j+ a, [/ o% {; (princ "\n" fff) ;将摇臂夹角写入文件1 N. j3 M; N% E# y% k5 H; h
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(entmod xq1)
: [3 W% i. S z" Y; F (entmod xy3)* v. M- d$ V7 X& f% l! y' s
(entmod xl2)
8 {% `" o6 B# r" H6 R (entmod xy5)
; P' {5 x& [& E" E (entmod xl4) ;将改好的块写入数据库中
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/ F" ]1 b$ z ? (command "DELAY" "0") ;刷新2 E# p+ r( W5 E$ s1 k
# A, g% x3 b+ Y8 ` (setq cs(- cs 1))
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; (close fff) ;关闭文件
, e0 ]9 {1 e! ~& Z (setvar "osmode" pz)# ]9 ?9 [2 k* A1 p/ U3 k2 G( B
(setvar "cmdecho" echo) ;恢复设置 J/ J2 b2 M z8 K2 k" }$ ]
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发表于 2008-6-9 20:17
