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原代码
在CAD中的LISP进行编辑。
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' }! E, R, W/ t _6 R(defun sqr (xx) (* xx xx))- V g! T2 H( L3 `3 G! L$ u
. C& @& X& W1 s+ a" a, ?! I$ {; E(defun p1 () ;计算l2连杆靠近曲柄的联接点坐标
' g( `1 v1 c6 V- s' n4 f (setq deg (/ (* deg pi) 180))
% f) E, [; u# I9 b (setq x1 (* r (cos deg)))) t4 g6 J7 ?7 G9 A, j' r, r
(setq y1 (* r (sin deg)))
; C' w, w9 m8 ^, z/ S B (setq po1 (list x1 y1))
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7 Y0 B* C. y* x(defun p3 () ;计算l4连杆靠近曲柄的联接点坐标. ~# }# X! L9 }2 d+ _
(setq deg1 (+ deg (/ pi 2)))) y: j1 Q" l+ ^* L" [: X8 t
(setq x3 (* r (cos deg1)))
4 i% G o# T' `0 R3 Q; [6 G/ Z8 h (setq y3 (* r (sin deg1)))1 s5 v/ p4 b' ?, z% Y
(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 S4 }, X7 y3 |8 r4 q% c" _1 l0 V
(setq c x5)6 l# J. `3 x7 i5 g- _/ v7 J6 S
(setq a x1)' I4 F/ n, }. M; w4 f0 I0 I- r
(setq b y1)& t) X6 ?6 \; t. d: f; B$ j8 j
(setq d y5)
, j( x, g0 S2 Y/ b (setq e (- (+ (sqr a) (sqr b)) (sqr l)))3 A9 a+ p* i) h( U3 v
(setq f (- (+ (sqr c) (sqr d)) (sqr p)))6 e8 B! ~5 }, t( p, s
(setq g (+ (* 2 (sqr a)) (- e) f (* -2 c a)))
) \: ]( \$ ]% r5 G6 V (setq h (* 2 (- b d)))
& w/ l8 z9 E3 N, _' a (setq i (* 2 (- a c))) B$ e* {) W7 \* |7 Q) d
(setq j (- (sqr a) e))
1 l' ^0 h' Y/ E( n0 p3 E8 k (setq j1 (* -1 (+ (sqr h) (sqr i))))& n6 V1 e E. H# M* ]& D/ h
(setq j2 (- (* 2 b (sqr i)) (* 2 g h)))
& B8 a0 g' z# w: L# c (setq j3 (- (* (sqr i) j) (sqr g)))
3 t% K# h' Q6 m" X' E9 x* S (setq y2 (/ (+ (- j2) (- (sqrt (- (sqr j2) (* 4 j1 j3))))) (* 2 j1))); V; F" w; F: A7 _
(SETQ X2 (+ A (SQRT (+ (SQR A) (- E) (- (SQR Y2)) (* 2 B Y2)))))
& l1 ^9 Z1 d1 j. X C8 Y6 j7 c, {# V (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
`' G( d6 F! D+ q9 N, n (setq c x6) e; j# w8 n+ c# p, _
(setq a x3)
# b) p. A3 F* ^. R6 }& q (setq b y3)5 p% r; \) _9 J
(setq d y6)3 e4 y C/ d, G D/ A+ g8 a! G
(setq e (- (+ (sqr a) (sqr b)) (sqr l)))
: a$ F. n2 @. [2 E' P! J (setq f (- (+ (sqr c) (sqr d)) (sqr p)))
# F4 V6 R" F3 ~5 I0 d* v* O (setq g (+ (* 2 (sqr a)) (- e) f (* -2 c a)))! Z( c: n. K# ~, G
(setq h (* 2 (- b d)))
8 u4 u5 u8 O6 ^8 u (setq i (* 2 (- a c)))' E3 ?$ e& S/ N/ V% p4 f w
(setq j (- (sqr a) e))& r0 }) E" c5 W4 u* A* I
(setq j1 (* -1 (+ (sqr h) (sqr i))))( H9 a* |* U% `+ v7 [, w ~
(setq j2 (- (* 2 b (sqr i)) (* 2 g h))): J& z2 g% r6 d# ^- [" F: b
(setq j3 (- (* (sqr i) j) (sqr g))). K% W2 c1 E9 Z4 ~9 T ?2 \; m
(setq y4 (/ (+ (- j2) (+ (sqrt (- (sqr j2) (* 4 j1 j3))))) (* 2 j1))): s3 B3 d( D$ I3 }& N5 t
(SETQ X4 (- A (SQRT (+ (SQR A) (- E) (- (SQR Y4)) (* 2 B Y4)))))
, t$ S: _# o! \, Q9 Y- ` (setq po4 (list x4 y4))
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! M; |* F; V- U(defun jdl2 () (atan (- y2 y1) (- x2 x1))) ;计算连杆L2的转动角度/ J0 k9 I! B) a% q& k& o/ y, L
(defun jdy3 () (atan (/ (- y2 y5) (- x2 x5)))) ;计算摇臂Y3的转动角度
4 E; v* Z! X# a(defun jdl4 () (atan (- y3 y4) (- x3 x4))) ;计算连杆L4的转动角度' u2 V0 L* U& ?# E
(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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* l' G+ R* B$ B' O$ [ (SETQ qss(GETREAL "\n 演示旋转圈数:"))% `; E) k2 r/ u- T
(SETQ degsetp(GETREAL "\n 角度增量:"))# J+ Y8 r1 W" \$ R* P+ l' b' D
' z8 Q# i1 V) T (setq pz (getvar "osmode"))2 Y3 y$ j8 C! k( z$ q
(setvar "osmode" 0) : p+ I/ k% a6 ~, i8 t
(setq echo (getvar "cmdecho"))
- L+ Z/ I- ~2 `, ` (setvar "CMDECHO" 0) ;保存环境参数 并 设置/ w6 m0 w% |& H
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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* b5 F7 o) J: E) q6 C+ s
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(setq cs(- (/ (* 360 qss) degsetp) 1) )
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: k6 P' O! o! l& E4 c (setq r 11.5)' `. S& S* F. V% v; B9 O
(setq l 45.5)" w6 j( _4 P) W b7 e$ @( S
(setq p 51)3 r% ^, f* }, L2 I( {8 \/ \! O
(setq po0 (list 0 0))3 m! H4 y5 i, k, @: D
(setq x5 61.51)
7 E/ \8 }9 M2 {* a7 z, j) \& r! c2 N (setq y5 -27.5)4 c" R- I, l& i+ g/ A5 I! ^
(setq po5 (list 61.51 -27.5))2 ~( d; [! c) p' ]6 V. l7 \
(setq x6 -61.51)
: F( w4 b p9 w, H/ w% J" u1 M (setq y6 27.5)* q# {8 |( |7 F& z. \! i
(setq po6 (list -61.51 27.5)) ;以上是一些固定参数
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(setq deg 0)7 n" ^& O# k# I4 p) I. N( l9 Y
(setq deg0 deg)1 v! a. ]( P% }8 g( W* {2 E+ B
(setq rad (/ 180 pi)): f( B4 o/ `& k% k* ^
. e( Y0 p, ?2 I4 r9 B (p1)/ [" _) [9 A8 n0 V
(p2), ^5 l+ B- Z/ H% H1 }
(p3)
# x$ C7 N; }( c3 P1 c, Q6 s2 \ m (p4)
( T. A1 [0 f6 f; `' c' K* S; s (setq l2jd (jdl2))0 P& x }- [* ]
(setq l4jd (jdl4))$ M" z# C* X9 H) y5 M8 ], g
(setq y3jd (jdy3))
- N: L9 T1 S& S a( N) } (setq y5jd (jdy5)) ; 计算各块的初始插入参数6 i3 M% E4 x$ n7 y; O
. Q6 F- a4 }- r9 J; V (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, \$ j3 }& |2 J+ F9 c7 M, z. f
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(COMMAND "INSERT" "Q1" po0 "" "" (* rad deg))
* f, F" ~0 P! ^# }+ G8 Y6 O (setq xq1 (entget (entlast)))8 b. b+ B. _0 L
(command "INSERT" "l2" po1 "" "" (* rad l2jd))/ V2 S9 e8 h. g
(setq xL2 (entget (entlast)))# Z/ q& d# Y Z1 |
(command "INSERT" "Y3" po5 "" "" (* rad y3jd))
: |' X' N# C$ w" n (setq xY3 (entget (entlast)))
& M- i! w; H- |6 C+ ?2 l t (command "INSERT" "l4" po4 "" "" (* rad l4jd))
2 u$ s6 V3 `6 G/ D- B6 o (setq xL4 (entget (entlast))): y8 a( I2 O) X0 c* y; r* p
(command "INSERT" "Y5" po6 "" "" (* rad Y5jd))
4 c m- O4 y9 E5 S0 Y: c5 N' X" L3 o (setq xY5 (entget (entlast))) ;插入各初始块,并选取& \4 g) y1 @8 k6 ]: `- [$ U
! O7 }# [( ]( l. G# u* i (while (>= cs 0)
7 P. L1 Q" \& q. y, a9 r (setq deg0 (+ deg0 degsetp))" Q! G& T. p8 x, e$ x
(setq deg (- deg0))0 p4 p& T, _9 W7 q. W) o
(p1)) G1 {, G2 _) e; ~4 B
(p2)9 I" I% `; T: y# j7 ~% D& c
(p3)+ P; n3 Z7 J0 r& s
(p4)- B5 m% J6 f% L% B; P% q
(setq l2jd (jdl2))) u4 p: D2 o3 z$ ^
(setq l4jd (jdl4))2 f5 v5 j7 E4 H p! p& V0 x% I* J
(setq y3jd (jdy3))
7 r5 z' V: Y( Q* A( c! N3 N (setq y5jd (jdy5)) ;计算各块的参数. o7 B/ u6 N: ~ x+ k9 i
2 Q9 a j" `! h (setq xq1 (subst (cons 50 deg) (assoc 50 xq1) xq1))
( G& N& `( k; _8 m, L6 a, I (setq xL2 (subst (list 10 x1 y1) (assoc 10 xL2) xL2))$ Y; O+ R1 X1 J9 O
(setq xL2 (subst (cons 50 l2jd) (assoc 50 xL2) xL2))
8 k& [5 O3 h. x (setq xy3 (subst (cons 50 Y3jd) (assoc 50 xy3) xy3)), r% y: e: L: X0 j5 W
(setq xL4 (subst (list 10 x4 y4) (assoc 10 xL4) xL4))- N, g! m# ]& A- {
(setq xL4 (subst (cons 50 l4jd) (assoc 50 xL4) xL4))! S/ x, L2 G4 U0 a; W. e8 h( N; m
(setq xy5 (subst (cons 50 y5jd) (assoc 50 xy5) xy5)) ;修改各块参数: v) g) e% o) Z. }+ l9 |; Y
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5 l. K2 A" D& X% j5 N; (setq yyy5 (* y5jd (/ 180 pi)))
; M% j" {" l( b' Q$ X; (setq yyy51(rtos yyy5 2 15))
5 o* K7 ^' L# c6 x5 n; (princ yyy51 fff)
; R) ?. H+ F" p9 B( y0 o; (princ "\n" fff) ;将摇臂夹角写入文件
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8 q5 W4 l$ P3 e$ n7 `7 e (entmod xq1)7 k! o, M2 E, q6 t5 G5 }' f: ` y
(entmod xy3)$ L' J9 b2 }- `3 D* A. H+ v
(entmod xl2)
- ^ o6 p$ g. a7 x- V# h, f [8 g (entmod xy5)4 F# }# B" e" R5 V4 z3 Q) \. k R* x
(entmod xl4) ;将改好的块写入数据库中) N/ W1 [6 c3 ?+ ]5 x* r
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(command "DELAY" "0") ;刷新
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(setq cs(- cs 1))" U* e$ F* y: z6 S: S/ U
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; (close fff) ;关闭文件3 e3 t2 s, L, \: j8 c* ?: j
(setvar "osmode" pz). s. g( S% G: V% B0 F
(setvar "cmdecho" echo) ;恢复设置 P+ J4 U" f/ ]: T& z% P
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发表于 2008-6-9 20:17
