|
|
原代码
在CAD中的LISP进行编辑。# |3 m8 J( U- L2 ]
' r; ~& v* T. z4 x$ m7 J8 I(defun sqr (xx) (* xx xx))
- |" x4 s* M; j' Z" u6 o7 G5 c% _5 L9 K! V( R
(defun p1 () ;计算l2连杆靠近曲柄的联接点坐标( H; `; J) N# v: t' k* V6 o! f, U
(setq deg (/ (* deg pi) 180))
$ j' L: A0 B. X7 E5 \& Z (setq x1 (* r (cos deg)))5 E6 L% n% m) C& ]
(setq y1 (* r (sin deg)))# i2 j o$ ]4 M W6 |* p
(setq po1 (list x1 y1)): @6 S" f1 h. n/ a$ q" U) z4 u
)
# k ]8 [2 K% h& `, e/ f v" H2 G; a/ H7 |) D& k7 w
(defun p3 () ;计算l4连杆靠近曲柄的联接点坐标3 i! ~$ c! \: V' b: F @# G
(setq deg1 (+ deg (/ pi 2)))
; j- z) j8 \" c (setq x3 (* r (cos deg1)))6 u& _ J! H0 S7 L
(setq y3 (* r (sin deg1)))
. t9 Y+ C/ [- @ (setq po3 (list x3 y3))7 Q# P5 M# ~4 S! _& H' G% ~$ r
)
' A9 |) `/ s* |, M) X6 M
- ~' W5 I/ O2 w8 d' k" \0 O(defun p2 () ;计算Y3摇臂与连杆L2的铰接点坐标
9 h& N( L& W, y! l! M" B (setq c x5); H% f) b) G3 A3 Q7 P3 Z: W* i& v
(setq a x1)
8 W$ F8 w+ T8 l' ~7 @1 r (setq b y1): I( O) A2 i# a, Z
(setq d y5)
4 \% {% Y, p# c! \' @: } (setq e (- (+ (sqr a) (sqr b)) (sqr l)))
& B H" O7 Q' r3 K4 r0 c% v" H" ? (setq f (- (+ (sqr c) (sqr d)) (sqr p)))$ y4 t7 k, B' d& s+ Z6 {! l
(setq g (+ (* 2 (sqr a)) (- e) f (* -2 c a)))! S, n# h* R" e3 u* B1 f
(setq h (* 2 (- b d)))
/ G2 S. Y* [# H+ K8 ?5 s* } (setq i (* 2 (- a c)))3 \) ~/ }, H& i' z2 \& M! A
(setq j (- (sqr a) e))
4 F; k; V) l/ ?# ~* P5 c (setq j1 (* -1 (+ (sqr h) (sqr i))))6 }% r+ Z. J! A. V6 z: w, y: ?
(setq j2 (- (* 2 b (sqr i)) (* 2 g h)))
; j' h' _1 \3 Q! O( r (setq j3 (- (* (sqr i) j) (sqr g)))1 g& d/ [9 l9 f/ w
(setq y2 (/ (+ (- j2) (- (sqrt (- (sqr j2) (* 4 j1 j3))))) (* 2 j1)))( Z' @4 W( P" m; v
(SETQ X2 (+ A (SQRT (+ (SQR A) (- E) (- (SQR Y2)) (* 2 B Y2)))))
! `6 e1 O/ Z8 P5 t! u' W5 q (setq po2 (list x2 y2))
: C( W( ^. y9 k( m$ ~2 k1 m' t/ E6 E)" [* s- C4 I; U/ J) t; b
(defun p4 () ;计算Y5摇臂与连杆L4的铰接点坐标
+ d: u5 o# H( A$ \" j4 y (setq c x6)
9 m1 z9 b$ H% N" G& b! h4 a' B0 w4 g1 M (setq a x3)- s7 N' D& R) U W( p
(setq b y3). o I6 p. @2 r6 }+ m
(setq d y6)
7 b6 A5 g+ d2 I (setq e (- (+ (sqr a) (sqr b)) (sqr l)))
X8 Q% J8 q; Z- R (setq f (- (+ (sqr c) (sqr d)) (sqr p)))' g1 C4 G' x4 b6 C8 g9 P: ]
(setq g (+ (* 2 (sqr a)) (- e) f (* -2 c a)))" n! b+ [* L S; t' \% I
(setq h (* 2 (- b d)))5 K$ m* |- O! u+ |1 d; n
(setq i (* 2 (- a c)))
& P2 t0 W" z, H2 I (setq j (- (sqr a) e))# ^1 Q# m- Z. _, e4 h: q% k" u
(setq j1 (* -1 (+ (sqr h) (sqr i))))- i' v0 P" ^$ c
(setq j2 (- (* 2 b (sqr i)) (* 2 g h)))
+ W: c0 C. S* @ p: B h (setq j3 (- (* (sqr i) j) (sqr g)))$ R" A/ g9 @* ]3 [2 x1 u+ k; g
(setq y4 (/ (+ (- j2) (+ (sqrt (- (sqr j2) (* 4 j1 j3))))) (* 2 j1)))/ a, u& q5 [; Z7 i
(SETQ X4 (- A (SQRT (+ (SQR A) (- E) (- (SQR Y4)) (* 2 B Y4)))))5 R' y/ K ` h: G* B9 `6 h8 [
(setq po4 (list x4 y4))
0 ~1 R4 U v. i)+ [# Y# ?5 [, J. E4 Q3 L
) C, F0 Z) s2 N. z# C
(defun jdl2 () (atan (- y2 y1) (- x2 x1))) ;计算连杆L2的转动角度6 s5 @" \! s5 b0 o7 u- V
(defun jdy3 () (atan (/ (- y2 y5) (- x2 x5)))) ;计算摇臂Y3的转动角度
4 G$ a+ e( a) |3 C(defun jdl4 () (atan (- y3 y4) (- x3 x4))) ;计算连杆L4的转动角度/ P' |$ t# X" `; J ]
(defun jdy5 () (atan (- y4 y6) (- x4 x6))) ;计算摇臂Y5的转动角度, H" J, n( P& c
' m) W6 }6 e- F: T1 F+ m(defun c:fx ()
+ ~, f' ]6 o3 U) T + q) Y: o5 \) L0 M% W4 h
(SETQ qss(GETREAL "\n 演示旋转圈数:"))6 Z5 ?1 T9 j( i. o0 \
(SETQ degsetp(GETREAL "\n 角度增量:")); E0 u" a% L% g [$ }# L7 a( K' d, z b
- j2 s# c. c1 i: M+ B (setq pz (getvar "osmode"))7 ~+ @) q0 C% w& ^; D/ a. ]* N
(setvar "osmode" 0) V8 K) O. G0 n) |( d) B; D
(setq echo (getvar "cmdecho"))5 Z2 F- [: d8 E7 y! |0 R
(setvar "CMDECHO" 0) ;保存环境参数 并 设置$ f+ `% s" x) P2 p( \6 {% \
( O: o" h$ N5 E! _; o7 s8 d1 H; (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
& o( W! Y+ Q, m% c. d$ }
! J, t7 [ S, q (setq cs(- (/ (* 360 qss) degsetp) 1) )$ Z, ~: A2 N# t/ U+ Q' U
5 @ Q% g2 Y0 M. K- p6 c (setq r 11.5)
5 c6 T1 |: S! G1 Y: b (setq l 45.5)
. y7 K! ]4 l5 s" n (setq p 51)7 Y& _) y5 ?0 V$ Q& J
(setq po0 (list 0 0)). q) f6 P1 B0 }; C0 X: h/ i2 y$ C% i
(setq x5 61.51)
5 g% y- G+ o# f, B+ ]' Q( Q' u2 I (setq y5 -27.5)* Q4 {: s/ U5 I1 D! T; f
(setq po5 (list 61.51 -27.5))4 V. w0 j1 L' E6 H
(setq x6 -61.51)2 L! p7 A) I0 N+ K
(setq y6 27.5)
' ?: S6 S- X8 R" I% U- m M8 R (setq po6 (list -61.51 27.5)) ;以上是一些固定参数 o+ t/ Z4 Z& v+ A( a) I1 @& q: Y$ J
# c6 C5 q; p. r) W' V (setq deg 0)
4 Q$ p( J2 Q! R (setq deg0 deg)7 G0 r) {8 J: N4 r+ G5 |; N
(setq rad (/ 180 pi))
1 @' ], e4 r/ R7 T3 E8 w: c3 i& D. q5 o' M1 G- Y/ t/ |
(p1)
6 u4 B4 c! ?& W D (p2)* X. R9 \7 U* v1 B( ?* y
(p3)
. ?1 d( }' Q0 W- ^% y" K (p4)" s& N8 T9 v) l8 i: `
(setq l2jd (jdl2))" I7 r: P" D9 t! s) k+ t, [
(setq l4jd (jdl4))5 H" v4 q- u- k, [( i
(setq y3jd (jdy3))
z+ a$ w# I2 V (setq y5jd (jdy5)) ; 计算各块的初始插入参数7 u3 A& I6 F* H" q2 p& L4 `, l$ ]& b
) Y8 \- Y) u/ r! Z4 r# w' B
(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
. l9 d7 J$ q& z8 e8 E1 g' g/ k6 o: J: I) f, n0 n( O& t: r: |( E
(COMMAND "INSERT" "Q1" po0 "" "" (* rad deg)) d: d% ]3 v/ V/ O: K: F
(setq xq1 (entget (entlast)))* L7 ^+ K2 L, x( O% p2 b
(command "INSERT" "l2" po1 "" "" (* rad l2jd))* f& c* X) E( |# w N
(setq xL2 (entget (entlast)))
1 z( q; Z# n6 H (command "INSERT" "Y3" po5 "" "" (* rad y3jd))
" l: ^7 j4 Z6 v6 ^" V (setq xY3 (entget (entlast)))9 y5 u1 \. W3 Y4 u: P) t' k @: Z. V
(command "INSERT" "l4" po4 "" "" (* rad l4jd))
; E1 x# L: J) @) S$ g (setq xL4 (entget (entlast)))
2 h$ s; L; B" ]& C1 c5 l! d (command "INSERT" "Y5" po6 "" "" (* rad Y5jd))
4 V7 l* k3 {. y3 j (setq xY5 (entget (entlast))) ;插入各初始块,并选取1 H+ O! d7 d7 P/ K6 j) m6 h$ c/ X- W
0 P8 r5 D, e/ j, V- g8 o
(while (>= cs 0)
. J# |7 W+ }! i" ]( i (setq deg0 (+ deg0 degsetp))
- }" w8 }4 G) N) `3 P# ^ (setq deg (- deg0))+ m5 ~) s/ g2 ^* Q/ B3 ]
(p1)
& l+ N7 T" m1 J: W) V' h/ ^. x (p2)
0 A4 ?6 N& H' e (p3)
+ X0 D* a; k/ L7 Q% }! [3 c (p4)
% u, G- ~8 ]1 C/ [* S3 q; L+ g (setq l2jd (jdl2))
& `0 @$ W( @- U+ L! }( U (setq l4jd (jdl4))
# L2 e e+ |$ V8 r (setq y3jd (jdy3))
7 U M. I* H/ \% Q' h# R& F( @ (setq y5jd (jdy5)) ;计算各块的参数' A# k" ?1 i- ?8 u& r `
* A1 |+ f9 f2 t. R6 c (setq xq1 (subst (cons 50 deg) (assoc 50 xq1) xq1))
5 ^" j- B& A. P (setq xL2 (subst (list 10 x1 y1) (assoc 10 xL2) xL2))
5 P6 J3 ]. m: u& n. O# C5 l (setq xL2 (subst (cons 50 l2jd) (assoc 50 xL2) xL2))
0 G3 e3 c5 K4 t6 L7 u9 k (setq xy3 (subst (cons 50 Y3jd) (assoc 50 xy3) xy3))
; }* v9 V' l- j- d5 J" i* ~, q: O' D (setq xL4 (subst (list 10 x4 y4) (assoc 10 xL4) xL4))
, H5 {) A* S( I5 i (setq xL4 (subst (cons 50 l4jd) (assoc 50 xL4) xL4))" l/ ]* ?# E$ u z
(setq xy5 (subst (cons 50 y5jd) (assoc 50 xy5) xy5)) ;修改各块参数. Q: d( D# u0 ^9 d+ g
' W* [% @1 I1 K0 z4 \* T0 J' c+ R! \$ ^2 T) q
; (setq yyy5 (* y5jd (/ 180 pi)))& _* h/ `. |6 |% N3 K
; (setq yyy51(rtos yyy5 2 15))- n- \# @8 V, d& E' B
; (princ yyy51 fff)
" ^! H0 d! z# C& \; (princ "\n" fff) ;将摇臂夹角写入文件' [; ]1 H. N6 E& @
, h+ ?2 a9 B1 H% |! a$ M( i4 E8 u
(entmod xq1): m( V5 C- Y2 H4 ]" c* e5 H0 I
(entmod xy3)$ I) V8 X: C$ w% ?+ K4 P
(entmod xl2): F1 W4 s4 o0 }* B% g) m8 z
(entmod xy5)
2 M# p. W0 @5 k2 _ (entmod xl4) ;将改好的块写入数据库中3 X# ~, p) \8 K0 v3 p0 n! I5 c$ a
9 S1 v$ D1 M6 n W l* ^ (command "DELAY" "0") ;刷新$ x7 S1 Y; W0 o- O2 f* ]" h. f
4 d' r: B' Q. w5 z% Q2 ` (setq cs(- cs 1))3 Z3 X0 b, C: j9 K. m) A
)
* r. e% Q1 V$ f8 F. g- A; (close fff) ;关闭文件
! q9 `, c5 [# N. @ (setvar "osmode" pz)
) t, o5 W) {! {5 A0 g! k1 M (setvar "cmdecho" echo) ;恢复设置
% {- ?+ ~ M) k
# M6 P8 G1 R4 J, v6 o" ]" A# S, f$ P" [. j
) |
|
发表于 2008-6-9 20:17
