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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))
' U+ M. G$ ~; a# x
' D% x8 T1 }: s! }9 P/ g ](defun p1 () ;计算l2连杆靠近曲柄的联接点坐标
& J. U! N' y! t. t$ { (setq deg (/ (* deg pi) 180))
5 i, z8 J; ]/ ` (setq x1 (* r (cos deg)))
! _6 h6 T2 g' z (setq y1 (* r (sin deg)))7 @( O+ g& D8 h: n, n/ y, e
(setq po1 (list x1 y1))7 d4 f; b7 S: M; D
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(defun p3 () ;计算l4连杆靠近曲柄的联接点坐标
! G* i0 q; S* h: D) q" t0 z (setq deg1 (+ deg (/ pi 2)))
' E1 \; r5 e, y2 r (setq x3 (* r (cos deg1)))9 f+ B$ T5 }5 v$ C n
(setq y3 (* r (sin deg1)))
1 {' ?5 \1 ~5 i/ \( Z3 a/ ~ (setq po3 (list x3 y3))
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% |5 R) v2 k: F2 L+ F5 M3 c1 n; {
5 ` Q# \6 b& N' c( |(defun p2 () ;计算Y3摇臂与连杆L2的铰接点坐标' F# u9 I; j! @0 g( d
(setq c x5)
- W3 d) f M: E9 ?- ?* m/ H (setq a x1)* @6 x6 F e( E6 d2 h
(setq b y1)
. \$ L2 Z& @) M8 l/ z- R (setq d y5)( j9 L: Z% }- Q- J1 Q! O$ c
(setq e (- (+ (sqr a) (sqr b)) (sqr l)))) s2 d" X3 A4 Q' a0 [ X1 m
(setq f (- (+ (sqr c) (sqr d)) (sqr p)))
9 s0 ^9 v8 N! T; H- y/ V (setq g (+ (* 2 (sqr a)) (- e) f (* -2 c a)))
9 m, g) J% Z6 g1 X2 R (setq h (* 2 (- b d)))% m. k: c2 X/ K; Y2 x9 }6 b
(setq i (* 2 (- a c)))
: u) Y1 i7 @/ _' Z2 h4 W' C* t$ J (setq j (- (sqr a) e))
$ X4 A4 w+ _# m# x4 A T9 b (setq j1 (* -1 (+ (sqr h) (sqr i))))
+ E$ u g# I% ]/ T; e, @ (setq j2 (- (* 2 b (sqr i)) (* 2 g h)))! d$ `& E" |+ T+ p' Q" r
(setq j3 (- (* (sqr i) j) (sqr g))): q0 w2 U: r0 J8 o& g2 Y
(setq y2 (/ (+ (- j2) (- (sqrt (- (sqr j2) (* 4 j1 j3))))) (* 2 j1))): |$ u* ]5 A- {/ a
(SETQ X2 (+ A (SQRT (+ (SQR A) (- E) (- (SQR Y2)) (* 2 B Y2)))))
, l7 [- ?7 {- r* j* i (setq po2 (list x2 y2))0 H' t7 C6 N# k7 J; I
)
: i P- T9 d! d+ i. S- D(defun p4 () ;计算Y5摇臂与连杆L4的铰接点坐标4 w: |) d$ _7 W5 D( i
(setq c x6)
: [6 s% D) `1 x: F" e0 ]; w3 o (setq a x3). x9 I+ F2 T% [5 d
(setq b y3), d3 g# Q/ v2 ?7 z
(setq d y6)
; ~3 K) k8 W }- \( r8 z( n, l (setq e (- (+ (sqr a) (sqr b)) (sqr l)))) |3 r( [" F4 N) W: P
(setq f (- (+ (sqr c) (sqr d)) (sqr p)))
) x5 ?0 [. F6 t( K (setq g (+ (* 2 (sqr a)) (- e) f (* -2 c a)))
) L3 a; v' l3 ~! g3 Z (setq h (* 2 (- b d)))
( A! N6 n2 I# N! q7 E7 P (setq i (* 2 (- a c)))
+ i& n. V# d1 x8 @ (setq j (- (sqr a) e))/ V1 o Y6 [* Z/ l R5 R' u+ K
(setq j1 (* -1 (+ (sqr h) (sqr i)))) q0 Y; y$ x& t4 n# e& Q
(setq j2 (- (* 2 b (sqr i)) (* 2 g h)))
1 Y. P3 N" [" \" y# @ (setq j3 (- (* (sqr i) j) (sqr g)))) _* }- B+ K: p) m
(setq y4 (/ (+ (- j2) (+ (sqrt (- (sqr j2) (* 4 j1 j3))))) (* 2 j1)))
1 ~7 x. g( i& n0 R! _ (SETQ X4 (- A (SQRT (+ (SQR A) (- E) (- (SQR Y4)) (* 2 B Y4)))))" z9 c4 e( A- L
(setq po4 (list x4 y4))
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(defun jdl2 () (atan (- y2 y1) (- x2 x1))) ;计算连杆L2的转动角度 i) J+ f& [2 n* Q6 R( o
(defun jdy3 () (atan (/ (- y2 y5) (- x2 x5)))) ;计算摇臂Y3的转动角度' \1 {& T0 G- I1 A5 ]/ a) W
(defun jdl4 () (atan (- y3 y4) (- x3 x4))) ;计算连杆L4的转动角度
. z5 w6 j8 m) C8 Y5 r/ K3 m+ R(defun jdy5 () (atan (- y4 y6) (- x4 x6))) ;计算摇臂Y5的转动角度* e- k" J2 J B
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(defun c:fx ()0 \ @2 w/ F f
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(SETQ qss(GETREAL "\n 演示旋转圈数:"))+ `; s$ X7 s+ U% B& \. X) p
(SETQ degsetp(GETREAL "\n 角度增量:")): \# Z7 ^% B9 l+ \) T x+ |* x
" W$ I1 g$ b4 h9 w" S/ h (setq pz (getvar "osmode"))9 }/ h; h' r. a/ f/ B; Q% e4 X7 z
(setvar "osmode" 0)
6 v9 H, D D7 C# }+ W2 l (setq echo (getvar "cmdecho"))4 \; N3 A' T8 o3 }, V; I3 W8 c
(setvar "CMDECHO" 0) ;保存环境参数 并 设置* R3 b4 T6 B6 J `
' g% y! Z! @# }; (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8 D+ L6 B* L- e( O2 f
' K. X7 s9 \' ] (setq cs(- (/ (* 360 qss) degsetp) 1) )
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; ?5 w, A7 m' I% w" c (setq r 11.5)1 K; ^5 T1 S1 ?2 x$ h3 ?' ^& |
(setq l 45.5)
& g) p' q4 j/ U3 W7 C( N (setq p 51)
, y( ?- Z6 _- ~# E+ F% l% p (setq po0 (list 0 0))
# w I0 Y$ g# t) t" V (setq x5 61.51)2 `* l4 e# Q( F c
(setq y5 -27.5)/ u7 }; V8 u# ?% F% }
(setq po5 (list 61.51 -27.5))
k B2 z8 G/ v- w (setq x6 -61.51)& N- `9 X5 U( S' [
(setq y6 27.5)
/ h& Z8 E$ q6 o- `# F, f6 {. [ (setq po6 (list -61.51 27.5)) ;以上是一些固定参数+ H) L0 B. T4 A. c1 U
+ G, t& q/ W @7 K (setq deg 0)
) T9 S: O( O' m1 d (setq deg0 deg)
8 V* W( X m: x6 Z (setq rad (/ 180 pi))0 w, r$ h) Z; T. q3 N+ z1 D% T
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(p1)" m; s) j+ c7 m9 v" D& m7 ^: F" y
(p2)7 d" ?/ F% G* q& P8 [$ I
(p3)
9 A( o4 {$ K h& l7 k/ o1 l* s (p4); H3 Z& g" W5 R' V) I+ ~) [
(setq l2jd (jdl2))" @5 a6 V1 e9 a: N/ R" r
(setq l4jd (jdl4))
- z& s5 |/ [, J* N# n (setq y3jd (jdy3))
, i1 y6 w" B! f7 [5 }3 N (setq y5jd (jdy5)) ; 计算各块的初始插入参数
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; U0 k8 B9 u. y! p4 j" A8 Z (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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' ?8 R0 m+ s5 b' H/ I: d1 J (COMMAND "INSERT" "Q1" po0 "" "" (* rad deg))8 X0 p8 R/ e0 B7 u5 @3 ?
(setq xq1 (entget (entlast)))
S" [4 n {# Y (command "INSERT" "l2" po1 "" "" (* rad l2jd))5 B" p) J) r+ x( i! k
(setq xL2 (entget (entlast)))7 g; d; b% l0 B
(command "INSERT" "Y3" po5 "" "" (* rad y3jd))$ G$ A# ? h; v: R) P8 q- a. ] P6 G, I, }
(setq xY3 (entget (entlast)))
2 i7 J% S9 _6 x: d1 B (command "INSERT" "l4" po4 "" "" (* rad l4jd))& u6 G: ]+ W6 T5 e3 u% S6 Q" [3 d/ w
(setq xL4 (entget (entlast)))
7 Z$ B7 ~1 x/ ~( T! E (command "INSERT" "Y5" po6 "" "" (* rad Y5jd)). P: S; V- @4 R1 o/ v
(setq xY5 (entget (entlast))) ;插入各初始块,并选取( O2 j- S) S$ R( a# z
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(while (>= cs 0)4 s/ {. X+ {, H, Y5 u1 v6 X' P
(setq deg0 (+ deg0 degsetp))
8 S% B+ u4 }" J: `' L+ {8 S: ^ (setq deg (- deg0))
$ L/ m/ M1 J Z: h/ R- o a& Z (p1)
6 E; c9 i9 l* i& S$ ^ (p2)) J5 @2 ^" ?, |, \
(p3)7 C6 L) }0 K! H7 a
(p4)2 l9 D$ {% p& W
(setq l2jd (jdl2))
- V) L/ t- z0 w; p! [ (setq l4jd (jdl4))
" N2 ?: v8 ?; n7 I% e( L (setq y3jd (jdy3))1 i( S' c) x3 `& {) ?( B! w. N! r* n
(setq y5jd (jdy5)) ;计算各块的参数
$ c& |! i3 m; ]1 \* @
m3 I: C, Q9 i# s& h% Q (setq xq1 (subst (cons 50 deg) (assoc 50 xq1) xq1)), T8 R1 r. u+ w2 s" ~, q8 T: i
(setq xL2 (subst (list 10 x1 y1) (assoc 10 xL2) xL2))- g t2 O# g/ d% i# p# E
(setq xL2 (subst (cons 50 l2jd) (assoc 50 xL2) xL2))
" w' F/ s4 |+ F; q; t1 F9 J1 m (setq xy3 (subst (cons 50 Y3jd) (assoc 50 xy3) xy3))6 n$ c2 f, ?. v. Z: U
(setq xL4 (subst (list 10 x4 y4) (assoc 10 xL4) xL4))
/ E5 w) ~ n% K" M. p0 h4 v (setq xL4 (subst (cons 50 l4jd) (assoc 50 xL4) xL4))
& H0 {$ m/ O3 y5 q1 V0 V (setq xy5 (subst (cons 50 y5jd) (assoc 50 xy5) xy5)) ;修改各块参数
% d( U' u2 b c3 }! \$ m% i3 Q9 r; O8 j- @. E0 D
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; (setq yyy5 (* y5jd (/ 180 pi)))9 @: n& O. I& Q6 R; S) K
; (setq yyy51(rtos yyy5 2 15))
0 o3 H8 V0 c/ S$ |9 P$ `; (princ yyy51 fff)
5 Q. z' V# ~; s. j& p# }2 W6 _; (princ "\n" fff) ;将摇臂夹角写入文件
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* _! O* V" y6 w9 m2 r (entmod xq1)
' b9 A; I9 b4 n3 K# \6 v (entmod xy3)
* z$ X2 O$ [, L, u9 }3 g u; L (entmod xl2)
" z8 x" U+ U' t5 a4 W (entmod xy5)( ~7 x: l0 {( g: z s
(entmod xl4) ;将改好的块写入数据库中
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(command "DELAY" "0") ;刷新& Q6 d( R0 h& t0 C/ P8 ?! ~: n
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(setq cs(- cs 1))5 N5 i( P- H! L5 E
)
0 E0 u: Q) `, m- c% o" W$ A; (close fff) ;关闭文件' Q0 X% | l7 @ k
(setvar "osmode" pz), a3 ~# U( a8 T% O x
(setvar "cmdecho" echo) ;恢复设置% @/ L9 E5 K& R; q( u: V. C8 I+ a6 D
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发表于 2008-6-9 20:17
