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原代码
在CAD中的LISP进行编辑。
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. M+ e, v8 y l. \+ z4 V1 e(defun sqr (xx) (* xx xx))
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* Y1 G9 y8 b; M" G' U |(defun p1 () ;计算l2连杆靠近曲柄的联接点坐标( j$ h* } W, x8 ?( o; W ]
(setq deg (/ (* deg pi) 180))& Z$ o- C4 ?5 e8 Y! V, u
(setq x1 (* r (cos deg)))& q. z* h# ~& ~, y3 z' H6 V
(setq y1 (* r (sin deg)))) w( G5 f9 ?' E' H* ~
(setq po1 (list x1 y1))* j; z" ~3 ~3 N+ m3 {1 g
)) H6 e% G6 J I$ |- |
2 Q3 p0 |1 {8 @* ]; L u1 h(defun p3 () ;计算l4连杆靠近曲柄的联接点坐标8 Z. m) E3 B1 `
(setq deg1 (+ deg (/ pi 2)))1 j- r7 o5 N' h0 w3 f3 ?0 n! Z
(setq x3 (* r (cos deg1)))
8 u% E) T M0 Z/ l$ w1 D (setq y3 (* r (sin deg1)))- T3 D5 v$ }, G( D: F
(setq po3 (list x3 y3))
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8 U; A& D5 w8 j6 f" g& a(defun p2 () ;计算Y3摇臂与连杆L2的铰接点坐标: e8 F( T$ Y" y! o7 d8 G9 U" j
(setq c x5)
! A. \/ k) z$ y( Y2 l (setq a x1)
) o! b& |# _" A3 j/ x3 u4 C2 j3 h (setq b y1)
$ W1 e4 ~, e3 ~' u( T; j (setq d y5)
0 }, g* c' j1 @7 ?( i% u+ U/ U (setq e (- (+ (sqr a) (sqr b)) (sqr l)))$ I, Q K( S R' U# N
(setq f (- (+ (sqr c) (sqr d)) (sqr p)))7 L h c0 Z* F- X6 l2 X
(setq g (+ (* 2 (sqr a)) (- e) f (* -2 c a)))$ H% W& f2 k6 E: o# Q: M! B
(setq h (* 2 (- b d)))
8 f/ Y- \/ _% ^ (setq i (* 2 (- a c)))
" s9 w4 Y$ f2 W9 g! E7 \" v7 H (setq j (- (sqr a) e)): H. ~; d& c3 E; o5 g
(setq j1 (* -1 (+ (sqr h) (sqr i))))8 F, s" i$ a3 K9 ^/ x' h2 b) \
(setq j2 (- (* 2 b (sqr i)) (* 2 g h)))
% H% n% n. i" c- N0 ` (setq j3 (- (* (sqr i) j) (sqr g)))! X3 k t) `! l1 [9 G) i; E
(setq y2 (/ (+ (- j2) (- (sqrt (- (sqr j2) (* 4 j1 j3))))) (* 2 j1)))
: S o0 |' ?! _# ?2 `: ] (SETQ X2 (+ A (SQRT (+ (SQR A) (- E) (- (SQR Y2)) (* 2 B Y2)))))
4 u. `( h1 m1 P (setq po2 (list x2 y2))
1 ^1 Z$ t. P) `4 M, f" N7 ^)
6 {- c4 f ^; @5 S9 U(defun p4 () ;计算Y5摇臂与连杆L4的铰接点坐标3 o& ]. c I/ a7 i, s2 P
(setq c x6): p2 x: X; ~# H) u
(setq a x3)
; f; v% a5 j$ B$ T (setq b y3)
! v) R' Q$ a2 i% r (setq d y6)) @4 D9 s! x, J- m o# b3 s
(setq e (- (+ (sqr a) (sqr b)) (sqr l)))
' I3 G0 ^: T: l/ h. ~; _; B1 p7 u (setq f (- (+ (sqr c) (sqr d)) (sqr p)))! J& ^. J0 A5 I9 ?: d/ ~
(setq g (+ (* 2 (sqr a)) (- e) f (* -2 c a)))
& }: n$ Q y) ~% @/ _" N (setq h (* 2 (- b d)))
1 a1 h: X7 i- ?' @5 h1 a2 [3 c (setq i (* 2 (- a c)))
0 ]3 T8 j2 R- I& k (setq j (- (sqr a) e))9 E' k) p' c8 o& W* l
(setq j1 (* -1 (+ (sqr h) (sqr i))))
$ D- t0 v/ i2 D, e5 A5 B (setq j2 (- (* 2 b (sqr i)) (* 2 g h)))! g6 D+ b* r5 u4 G/ ?8 T
(setq j3 (- (* (sqr i) j) (sqr g)))" ?5 s* X3 h. J# N$ r1 `
(setq y4 (/ (+ (- j2) (+ (sqrt (- (sqr j2) (* 4 j1 j3))))) (* 2 j1)))8 l5 |; j+ V9 p6 L" p+ ]; d* h6 `
(SETQ X4 (- A (SQRT (+ (SQR A) (- E) (- (SQR Y4)) (* 2 B Y4)))))
; T- M( t8 X( @* H0 X) Q( e (setq po4 (list x4 y4))
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! c' B5 }4 C. @' L" y6 H6 m0 |8 _(defun jdl2 () (atan (- y2 y1) (- x2 x1))) ;计算连杆L2的转动角度
5 `4 b* h1 @3 u( }(defun jdy3 () (atan (/ (- y2 y5) (- x2 x5)))) ;计算摇臂Y3的转动角度
3 X( r) R! b5 k* U(defun jdl4 () (atan (- y3 y4) (- x3 x4))) ;计算连杆L4的转动角度
* y \9 u( v& a" |$ U. X(defun jdy5 () (atan (- y4 y6) (- x4 x6))) ;计算摇臂Y5的转动角度; C! A. Q: J' E W
6 K+ K9 `: S4 H1 b; ]# \(defun c:fx ()/ i' }4 @0 Q. e2 f6 Y
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(SETQ qss(GETREAL "\n 演示旋转圈数:"))
6 H' H2 j. g, p; [ (SETQ degsetp(GETREAL "\n 角度增量:"))" U: J B! k2 Q. `- c2 h
2 m$ m$ L2 `3 j6 A (setq pz (getvar "osmode"))
% U+ ]( _6 k8 [8 ^& U n (setvar "osmode" 0) , d) O. ? g& G8 ?! N, }
(setq echo (getvar "cmdecho"))( ]) f: w& B9 c+ _) E# O2 X
(setvar "CMDECHO" 0) ;保存环境参数 并 设置' p( G: @" N9 Y. Z: W
% A' ?! Q% o/ J6 r0 {; (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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( v+ ]+ [* p& p; [" n( }! w- M7 ]/ W (setq cs(- (/ (* 360 qss) degsetp) 1) )
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, c3 {) a3 n! S0 g2 v2 K (setq r 11.5)# ?. p9 x; i. P9 `
(setq l 45.5)
/ r; q$ W$ Q2 x) k- q3 b3 t' v (setq p 51)
8 g, Z# N Q7 t3 {" f (setq po0 (list 0 0))
! m* J1 T' P- K5 p2 Z0 q: L (setq x5 61.51)
9 h, r7 w* C8 w8 [. Z (setq y5 -27.5)
3 K$ l2 u( E m7 m- Z- C" b (setq po5 (list 61.51 -27.5))
6 y0 @4 ?- z e% Q& `/ \& h6 S (setq x6 -61.51)) k u# w* C2 {/ D1 b; a
(setq y6 27.5)3 b- C) t% Q! r3 P( V P
(setq po6 (list -61.51 27.5)) ;以上是一些固定参数9 ?: E7 l( D; E6 y
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(setq deg 0)
: Z1 w' z- B2 a (setq deg0 deg)
7 D1 B5 Y5 j4 u (setq rad (/ 180 pi))& Q1 u+ ?5 W' |% z
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(p1)! f+ }+ `5 i: R/ B* _2 ]
(p2)
3 k) S# O a, S8 R (p3)
3 M% a- F& t6 D: ^3 p (p4)/ `5 R, o- k4 X
(setq l2jd (jdl2)); O, B0 s! @* n9 p+ a
(setq l4jd (jdl4))
1 t7 h6 x8 G: h' a4 o! H (setq y3jd (jdy3))
2 w% B4 \* n4 ~" v2 T (setq y5jd (jdy5)) ; 计算各块的初始插入参数
$ F3 P) @5 W4 I' x# ]% d
" b6 n' |+ K. i% M u; y (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
j$ F4 C8 S/ k# o* Z3 {5 F9 [
6 ^+ _3 b3 ^2 i, }8 y (COMMAND "INSERT" "Q1" po0 "" "" (* rad deg))3 h, ~5 A4 Y3 ]
(setq xq1 (entget (entlast)))# ^- T7 |5 H2 E7 ?2 k% ^; I( U
(command "INSERT" "l2" po1 "" "" (* rad l2jd))
0 o" n! n5 N2 ?) g/ z4 w! ~ (setq xL2 (entget (entlast)))
" ?: a3 N9 B- I- g# O/ h3 T (command "INSERT" "Y3" po5 "" "" (* rad y3jd))4 d: R1 {& K, x- l
(setq xY3 (entget (entlast)))
& {; I. `, q+ m- @2 g- } (command "INSERT" "l4" po4 "" "" (* rad l4jd))
3 A" \/ {6 C s0 e% V (setq xL4 (entget (entlast)))+ F' d. ^' a% }" [9 @% X' n6 I# k
(command "INSERT" "Y5" po6 "" "" (* rad Y5jd))# D( \) c3 F# ]6 r. `& ?7 R* X, I9 d
(setq xY5 (entget (entlast))) ;插入各初始块,并选取
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1 `) B2 k7 [6 W! S5 M+ Z" n( D: ^ (while (>= cs 0)
& E5 Z8 ?% A8 B) a" R# H% w (setq deg0 (+ deg0 degsetp))
3 L7 b* Y9 L, R" [% b (setq deg (- deg0))
' Y" s( [7 e$ n y5 U2 @ (p1)
8 ~$ f) m* ?2 s. c2 c% ^ (p2)
4 X. Z- V+ R, f (p3)9 [ }5 f5 h" }# L
(p4)
; i1 D5 o$ p6 `6 o7 E5 C, d% l (setq l2jd (jdl2))
9 u. _2 x; a2 u8 c (setq l4jd (jdl4))" c2 t4 k0 g- B
(setq y3jd (jdy3))* E5 O7 I- h, h2 ~! `' Z7 K8 Y
(setq y5jd (jdy5)) ;计算各块的参数( ` {- F' b. F8 g+ _1 [
! A5 z* n* A& p8 D8 c1 N (setq xq1 (subst (cons 50 deg) (assoc 50 xq1) xq1))' @$ W# V1 v+ K/ G! \6 ?& V
(setq xL2 (subst (list 10 x1 y1) (assoc 10 xL2) xL2))- K9 R9 i2 ]1 s+ T1 ~5 A$ v
(setq xL2 (subst (cons 50 l2jd) (assoc 50 xL2) xL2)), g. J; D l" ~
(setq xy3 (subst (cons 50 Y3jd) (assoc 50 xy3) xy3))
5 v+ E# D* b% e9 Z9 }3 n (setq xL4 (subst (list 10 x4 y4) (assoc 10 xL4) xL4)). G6 X, _5 d2 d1 c) a* C3 w
(setq xL4 (subst (cons 50 l4jd) (assoc 50 xL4) xL4))# }. m( \( Y6 A
(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)))
7 k4 l" u) J5 U8 p( _; R' A; (setq yyy51(rtos yyy5 2 15))" I+ A0 V. i3 G- X- J2 ]8 j
; (princ yyy51 fff)
7 a Z; f& F L; (princ "\n" fff) ;将摇臂夹角写入文件$ U. U0 [- D6 X1 x$ j* h6 Z* M
, a- z/ R$ z/ f3 [ (entmod xq1)+ s- ?. f! f- e. F' [
(entmod xy3). L8 Y2 e; p3 r/ U8 P' {
(entmod xl2)! T; V- n$ c, [5 `1 {# V
(entmod xy5)
1 m# x' i) b! Y, K+ z- Q) u1 s (entmod xl4) ;将改好的块写入数据库中
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(command "DELAY" "0") ;刷新
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/ o* x1 A t, W/ H& I (setq cs(- cs 1))# z2 {5 [( @- Q- s: a/ ~
)
' X) [1 m/ g; k5 ]. F; ]/ t0 ^5 z7 i+ ?; (close fff) ;关闭文件
# i S1 U/ ]- i U; m2 G. Z7 d5 Z (setvar "osmode" pz)
3 T- o! V6 u& [9 g (setvar "cmdecho" echo) ;恢复设置7 P! H9 m3 @) N5 @$ }
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发表于 2008-6-9 20:17
