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原代码
在CAD中的LISP进行编辑。4 t. g( A( _1 H* G) H5 c/ F% ?
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(defun sqr (xx) (* xx xx)), ~) n8 C6 r7 G
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(defun p1 () ;计算l2连杆靠近曲柄的联接点坐标! U. l- Q/ H H5 Q+ G* e
(setq deg (/ (* deg pi) 180))+ m! l3 g# r3 ~9 Y ?
(setq x1 (* r (cos deg)))
) y+ }( ^/ e6 F) a T# X+ w$ i (setq y1 (* r (sin deg)))" w6 A# l" S0 X- Q
(setq po1 (list x1 y1))6 X" m9 N x. i% K
): ~/ R* e% d- c& }2 X1 L7 s
* y7 \0 g+ ]9 `. `# {: e0 f& m9 L(defun p3 () ;计算l4连杆靠近曲柄的联接点坐标' |0 L% K) {. d+ d9 D& b/ [
(setq deg1 (+ deg (/ pi 2)))
6 B' ?: c h1 u7 ]+ ]2 T+ S, K; B (setq x3 (* r (cos deg1)))
/ C( z; R; V3 ~" O: x6 U* p4 x (setq y3 (* r (sin deg1)))) G* F* ^% p0 l1 Q/ q, \: E
(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& c1 w6 Z% ?5 `3 C" c# M
(setq c x5)' h: w3 t9 R; E5 d6 p5 L0 }
(setq a x1)4 V1 } k+ Z& N; u3 G( c
(setq b y1)
! O+ k5 q. v' I* I" y (setq d y5)$ ]+ O2 @3 ^7 Q' [& } ~ N
(setq e (- (+ (sqr a) (sqr b)) (sqr l)))
8 W2 ~3 R0 ^: S3 b2 ~ (setq f (- (+ (sqr c) (sqr d)) (sqr p)))
* F: [) Y( b' c4 ?- I. ] `: ~$ K2 S (setq g (+ (* 2 (sqr a)) (- e) f (* -2 c a)))
8 a: h7 Y6 M6 X (setq h (* 2 (- b d)))0 K$ S4 ]* D. L( S% \" c s
(setq i (* 2 (- a c))) A* \+ r$ |9 l* T7 G! R% [' ~) G
(setq j (- (sqr a) e))
, ~ k( m0 M/ L& Z9 y) F (setq j1 (* -1 (+ (sqr h) (sqr i))))6 F8 [) R) [( \0 \
(setq j2 (- (* 2 b (sqr i)) (* 2 g h))); O( g; L A! ]1 c
(setq j3 (- (* (sqr i) j) (sqr g)))
G! h3 u* w2 y6 U* m( [ (setq y2 (/ (+ (- j2) (- (sqrt (- (sqr j2) (* 4 j1 j3))))) (* 2 j1)))- G/ x8 x; \, L" A" H) w0 S
(SETQ X2 (+ A (SQRT (+ (SQR A) (- E) (- (SQR Y2)) (* 2 B Y2)))))2 t: T$ [. j4 h3 m
(setq po2 (list x2 y2)) V; H$ C# h5 ]9 S' b# W/ u* B. R
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(defun p4 () ;计算Y5摇臂与连杆L4的铰接点坐标7 e$ A9 T+ w' i0 \0 m8 o$ u; j$ m
(setq c x6)% F+ j m- o3 f& X2 q% ?% M: i- d
(setq a x3)
1 d! Q+ z& _% ]; s. v (setq b y3)7 a9 c, i6 {. g: c
(setq d y6)0 ]: Y2 H, F0 p
(setq e (- (+ (sqr a) (sqr b)) (sqr l)))
) _" N9 G- g- x (setq f (- (+ (sqr c) (sqr d)) (sqr p)))" ?- f: g, T+ _7 z5 J) d
(setq g (+ (* 2 (sqr a)) (- e) f (* -2 c a)))
% e5 a) A v# c0 Q (setq h (* 2 (- b d)))
) O9 K9 _' S$ d3 Q (setq i (* 2 (- a c)))1 [4 Y* V0 D+ F3 p6 ]! v: u
(setq j (- (sqr a) e))
! U) P# }8 e O) U0 `% @ (setq j1 (* -1 (+ (sqr h) (sqr i))))
. @8 f; m( e& D0 ]/ A. W& T0 n (setq j2 (- (* 2 b (sqr i)) (* 2 g h)))/ p: H" ~9 X+ V: }+ r
(setq j3 (- (* (sqr i) j) (sqr g)))/ ^& f: e- D3 r) S3 _/ G: ^* f& ]
(setq y4 (/ (+ (- j2) (+ (sqrt (- (sqr j2) (* 4 j1 j3))))) (* 2 j1)))- ^6 }) B) y: Q7 o( f8 {# v6 D! y
(SETQ X4 (- A (SQRT (+ (SQR A) (- E) (- (SQR Y4)) (* 2 B Y4)))))" Q8 ?0 T/ y! R" A3 ^+ ^( m& T" N
(setq po4 (list x4 y4))/ L, _% Q' F3 b# h& M1 t
)
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% X$ w: }0 m+ V/ K; f6 h0 [7 m(defun jdl2 () (atan (- y2 y1) (- x2 x1))) ;计算连杆L2的转动角度
9 O/ P" b" o% q6 Q. s4 @(defun jdy3 () (atan (/ (- y2 y5) (- x2 x5)))) ;计算摇臂Y3的转动角度
b2 k$ p9 I3 Z) n(defun jdl4 () (atan (- y3 y4) (- x3 x4))) ;计算连杆L4的转动角度
* O: {' l( G; \# g2 j+ D(defun jdy5 () (atan (- y4 y6) (- x4 x6))) ;计算摇臂Y5的转动角度
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3 q N9 Q/ A& I2 r0 u3 ^/ M(defun c:fx ()' b1 d$ P7 C% l% _/ W9 Y% o
1 I3 ~# V3 }0 i$ x2 u x2 ` (SETQ qss(GETREAL "\n 演示旋转圈数:"))
- q. ?' s* N# V4 u/ l# o (SETQ degsetp(GETREAL "\n 角度增量:"))
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(setq pz (getvar "osmode"))) K( h7 W; n2 g. J5 v/ w: C! M
(setvar "osmode" 0)
0 J' S; v- J6 \$ ?4 c5 t (setq echo (getvar "cmdecho"))8 m4 ]3 F* d8 T. t4 E( U. t
(setvar "CMDECHO" 0) ;保存环境参数 并 设置
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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$ c5 u1 R& x! m2 y2 n0 _. g
$ R# ~& P R5 | (setq cs(- (/ (* 360 qss) degsetp) 1) )/ a! X3 K/ m( r; v
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(setq r 11.5)
. H9 Z( w4 M4 @. G (setq l 45.5)# S" Z1 R. `) S$ v5 r
(setq p 51); z. O+ `# F: l6 c5 r) p! X q! ^
(setq po0 (list 0 0))
$ |& K( m- k$ \( S8 F+ D (setq x5 61.51)
1 f, M. [/ y. B9 s% C$ ? (setq y5 -27.5)
2 P4 \4 m* z8 E( }: O- M1 s/ q* l( C (setq po5 (list 61.51 -27.5))5 }6 ^: U( K9 J7 v7 g! \1 m3 c
(setq x6 -61.51)
) [. S1 ? x n! P: q8 ` (setq y6 27.5) L% g* n/ Y+ A5 Z) e
(setq po6 (list -61.51 27.5)) ;以上是一些固定参数
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(setq deg 0)
$ C, g! V# w6 W% G- B (setq deg0 deg)% U: [- r# _5 g( c1 ^9 z
(setq rad (/ 180 pi))
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# \9 n w1 F; o1 ^ (p1)
) P' |9 j- G. _/ C g (p2)
* L5 o5 I& s: l/ V% M+ A (p3)
4 H- T, } Z+ H I: `- s: Q8 S; h, R5 M (p4)- D" O; S/ w+ U# x' k
(setq l2jd (jdl2))
) p) `; t, l! E4 J8 g (setq l4jd (jdl4))9 t, {& Y6 s" L/ h/ o9 ^/ U7 k4 V
(setq y3jd (jdy3))
$ b: }) O: w5 y3 | (setq y5jd (jdy5)) ; 计算各块的初始插入参数' X0 K3 U( ]0 Z3 V
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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))
+ S; B: `) V+ R7 @ (setq xq1 (entget (entlast)))
) c8 u! r2 R! _5 n( p; o (command "INSERT" "l2" po1 "" "" (* rad l2jd))
8 R8 b, `% e! \8 q% q$ w (setq xL2 (entget (entlast)))% ~$ [1 S/ Z6 K+ i' r% V( U m
(command "INSERT" "Y3" po5 "" "" (* rad y3jd))/ y7 F$ t% B: w8 W: ?9 E" c& O
(setq xY3 (entget (entlast)))' `! o6 v2 |) T
(command "INSERT" "l4" po4 "" "" (* rad l4jd))+ p; z5 Q' d/ S; K, K2 `6 M) ?
(setq xL4 (entget (entlast)))3 d; S% @, C) o0 O2 m% \
(command "INSERT" "Y5" po6 "" "" (* rad Y5jd))( n: q. \$ o& x4 u
(setq xY5 (entget (entlast))) ;插入各初始块,并选取
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(while (>= cs 0)* [8 u/ ^/ ?$ x* G$ m- v9 d( e5 e
(setq deg0 (+ deg0 degsetp))4 v6 ^2 v; \* Q) s' M) r# U" k
(setq deg (- deg0))& G' l+ P( |( B" J$ L0 x1 j; H; C
(p1)! C3 ]- k) F: Y- [2 G# u
(p2)! J: ?0 I0 N8 }1 s" C3 {3 t
(p3)5 w) e$ f; ^) X( W; P( W
(p4)2 v) T( K( B5 q3 Y# w7 W ?2 H
(setq l2jd (jdl2))
! b- V3 ]; N5 V! z( @. ?' m (setq l4jd (jdl4))7 T! o S( ?% E' S7 _6 M6 l1 F
(setq y3jd (jdy3))
1 \9 y L% b' M# o( ] (setq y5jd (jdy5)) ;计算各块的参数
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2 E5 ~& Z2 U6 B, j5 ?4 L (setq xq1 (subst (cons 50 deg) (assoc 50 xq1) xq1))$ V" [7 N* W; J3 L, S4 l7 o
(setq xL2 (subst (list 10 x1 y1) (assoc 10 xL2) xL2))
6 T" d$ Y5 p& i" A (setq xL2 (subst (cons 50 l2jd) (assoc 50 xL2) xL2))3 J- R+ \. b. s
(setq xy3 (subst (cons 50 Y3jd) (assoc 50 xy3) xy3))
. s! Z! t* ~' I t3 D, D6 q+ d (setq xL4 (subst (list 10 x4 y4) (assoc 10 xL4) xL4)) N' J4 b# W7 T3 @) Y
(setq xL4 (subst (cons 50 l4jd) (assoc 50 xL4) xL4)): `, S$ x5 R1 |4 D. `
(setq xy5 (subst (cons 50 y5jd) (assoc 50 xy5) xy5)) ;修改各块参数$ P" y* _% `- \* `5 d
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; (setq yyy5 (* y5jd (/ 180 pi)))4 }. n% h L2 j9 l, `0 A
; (setq yyy51(rtos yyy5 2 15))! X! O3 X$ Q% Z3 C8 d2 ^- G9 g
; (princ yyy51 fff)
. P6 S; {% ~ t: F) P' z3 f' H6 g1 _; (princ "\n" fff) ;将摇臂夹角写入文件
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" u' V6 M; q1 [0 H% g (entmod xq1)
6 I8 M) [" ~2 a$ }+ q (entmod xy3); L# U- B/ R8 }0 U& D0 [2 w! E [
(entmod xl2)
* _ Q3 d( A( Z0 ?; S* {% N (entmod xy5)' G0 s( d4 k8 W7 y. n3 R
(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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(setq cs(- cs 1))/ y& h& p# s3 K* B! Z4 d- ^
)
* L! P& o, x& L! h v; (close fff) ;关闭文件) L$ o$ r$ G4 s r# W' ]: U: c
(setvar "osmode" pz)
" r9 D! x; m C; J3 W (setvar "cmdecho" echo) ;恢复设置
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发表于 2008-6-9 20:17
