|
|
原代码
在CAD中的LISP进行编辑。
, c% t: C! y4 d, E
" M7 I# C+ x, D$ b. b7 e$ L(defun sqr (xx) (* xx xx))
{! ]. m: k$ u2 L
6 Y5 Z; o: l7 X, M(defun p1 () ;计算l2连杆靠近曲柄的联接点坐标
* C3 f' b: l" i; T& w( ~ (setq deg (/ (* deg pi) 180))4 Y# J' ]) ~( l# X
(setq x1 (* r (cos deg)))
1 r' |% U2 y) R7 u9 D (setq y1 (* r (sin deg)))! }+ v6 b) |3 ]: G7 D! l
(setq po1 (list x1 y1))# F; a$ Y0 {, ~. T* i g( y
)
) H. H8 d' S' Q3 x; y+ m' G, l8 {- ~) y4 o7 Q
(defun p3 () ;计算l4连杆靠近曲柄的联接点坐标% @6 Q4 L( Z( Z/ q% n7 r
(setq deg1 (+ deg (/ pi 2)))
6 S! t2 [% X$ a# T8 y. Y (setq x3 (* r (cos deg1)))
1 t m. V% T. d" ^5 l (setq y3 (* r (sin deg1)))
8 F0 u3 C8 O4 F. s5 J% ^ (setq po3 (list x3 y3))4 N3 z* P. o; i8 S8 f
)
1 T/ u8 @" C" |* V. w+ t
W6 o+ Z h! Y5 w( H" k(defun p2 () ;计算Y3摇臂与连杆L2的铰接点坐标+ o0 R. ?- T }% B! S% `9 e
(setq c x5)+ g2 P9 V, H( S. P
(setq a x1) Z9 M# I- G8 X; B
(setq b y1)
4 |4 {4 W$ w+ j* i' J. ? (setq d y5)
5 x: {5 n& ?0 e" Q" G (setq e (- (+ (sqr a) (sqr b)) (sqr l)))% H }; t; Q2 J9 @, }* B
(setq f (- (+ (sqr c) (sqr d)) (sqr p)))6 f. X% r6 J& G2 J9 ~4 c
(setq g (+ (* 2 (sqr a)) (- e) f (* -2 c a)))
% _! W K( a6 W7 }6 T& `3 k [- i; ] (setq h (* 2 (- b d)))% R3 M) j, ~( e: ]5 Q e( a G2 `
(setq i (* 2 (- a c)))
+ B/ T: U7 j3 n8 c- T: U4 s! h' N (setq j (- (sqr a) e))
$ `# K: H/ P8 r- g; m! q (setq j1 (* -1 (+ (sqr h) (sqr i)))). E/ d1 I) w2 `* v" h
(setq j2 (- (* 2 b (sqr i)) (* 2 g h)))
3 `# z' p+ ~% D# T* P* j' O- {& L7 { (setq j3 (- (* (sqr i) j) (sqr g)))( L+ V3 d4 c& F* C9 J2 w/ [
(setq y2 (/ (+ (- j2) (- (sqrt (- (sqr j2) (* 4 j1 j3))))) (* 2 j1))), y, }1 ]4 A; H/ w
(SETQ X2 (+ A (SQRT (+ (SQR A) (- E) (- (SQR Y2)) (* 2 B Y2)))))
! \+ O: |8 O& f (setq po2 (list x2 y2))- L; Z4 v$ e8 K& Y& I3 T6 |
)
' \2 U4 J) H$ Z" \. ?9 a, N. ?(defun p4 () ;计算Y5摇臂与连杆L4的铰接点坐标
A1 |2 F, A( i5 i (setq c x6)2 x8 F% ~6 o0 o: A( n
(setq a x3)5 Z$ w( i6 s& J0 I: _2 `9 {
(setq b y3)
- G n7 {4 m5 k* o5 M! w5 J2 {+ p (setq d y6)
6 D* [; {$ H, r% O (setq e (- (+ (sqr a) (sqr b)) (sqr l)))% R0 k) t. n/ h
(setq f (- (+ (sqr c) (sqr d)) (sqr p)))
% E7 m9 `5 Z- s u (setq g (+ (* 2 (sqr a)) (- e) f (* -2 c a)))
& n3 N. p- x" x. r4 s (setq h (* 2 (- b d)))
B8 b$ s9 J2 b (setq i (* 2 (- a c)))
8 o' i4 _* J6 w- t/ x7 y (setq j (- (sqr a) e))
; D% j. T. Q" x (setq j1 (* -1 (+ (sqr h) (sqr i)))), K- Y3 k! Z, Z6 x8 C) V7 T0 f7 D
(setq j2 (- (* 2 b (sqr i)) (* 2 g h)))
5 J6 N! z8 F& y- H( M r I (setq j3 (- (* (sqr i) j) (sqr g)))
+ B3 o8 Y1 T G9 I1 N (setq y4 (/ (+ (- j2) (+ (sqrt (- (sqr j2) (* 4 j1 j3))))) (* 2 j1)))( E: f( X$ r4 m% M. D+ h! W
(SETQ X4 (- A (SQRT (+ (SQR A) (- E) (- (SQR Y4)) (* 2 B Y4)))))& W7 B) g/ Y! c* h
(setq po4 (list x4 y4))
0 V, I& a% ~" T1 R- r% v9 w6 l. i* @)
) M% `# y; y* p7 A& x
% u+ X5 H# m4 Y* B0 d" t! J+ h5 c(defun jdl2 () (atan (- y2 y1) (- x2 x1))) ;计算连杆L2的转动角度
1 ^" j5 s4 S! A3 u' [(defun jdy3 () (atan (/ (- y2 y5) (- x2 x5)))) ;计算摇臂Y3的转动角度 R5 ]! S5 o x# h
(defun jdl4 () (atan (- y3 y4) (- x3 x4))) ;计算连杆L4的转动角度) }/ ]) h; K" Z7 `3 z7 b! L
(defun jdy5 () (atan (- y4 y6) (- x4 x6))) ;计算摇臂Y5的转动角度/ k* @* k/ i. N- X! N2 H8 e8 y
, A( W ^' d: Q(defun c:fx ()
0 N. Y: I2 H) E9 J6 G
. i( e- ~" n4 d5 r6 W7 I9 }. q (SETQ qss(GETREAL "\n 演示旋转圈数:"))
$ y* j+ A, _4 _% z6 F Y (SETQ degsetp(GETREAL "\n 角度增量:"))/ W/ ?; S, m1 C8 @# F- p
" J" K$ N9 t( s6 `% a( Q+ g (setq pz (getvar "osmode"))% f5 C4 \5 b0 T: v/ K+ u) E3 l" w
(setvar "osmode" 0)
4 W" i' W1 h; a4 Y9 h (setq echo (getvar "cmdecho"))4 u: Q# t( Y- v# Z
(setvar "CMDECHO" 0) ;保存环境参数 并 设置/ j2 y! g- K" C% R( h9 I$ a3 E
# S% G2 z9 H& `$ u
; (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
3 L& p, m2 R$ c' I: l
9 N x; I2 E6 d7 }: P& `+ T (setq cs(- (/ (* 360 qss) degsetp) 1) )
2 c. O; s" A" ~+ P0 u" B1 I1 s: R) i7 K/ C
(setq r 11.5)
, Z6 b) ]" ^( U ?* ] (setq l 45.5)) H5 z; k& ^2 W3 R |) r; T0 S
(setq p 51)
- c1 D+ M+ ]2 ^$ u2 ^ (setq po0 (list 0 0))
% s: H# |1 r4 b6 R- k (setq x5 61.51)
3 Z6 Y( D9 E; k ` (setq y5 -27.5)
/ D2 R9 t% x$ A F (setq po5 (list 61.51 -27.5))0 s. ^, k5 Y6 U9 p7 F: d4 g9 A z
(setq x6 -61.51)
6 c# o1 h4 Z& c3 O1 b3 Y (setq y6 27.5)9 |' H/ C1 f- M7 V" |% j; S
(setq po6 (list -61.51 27.5)) ;以上是一些固定参数( I4 |1 }! t. J0 ]- N6 j5 S, g3 N' I: A
. Q8 d; j/ n& \) X6 r, i* g
(setq deg 0)
2 i$ H- ~1 @7 `. L5 S7 p4 \8 @ (setq deg0 deg)
3 ]3 {( b0 ~- _! P# \ (setq rad (/ 180 pi))! q2 q5 Z1 b" s) v$ Y1 x4 [1 R
3 X! ~/ e! ~4 y- @( k/ Y e (p1)& s5 A! }$ W! \; Q
(p2)1 f8 J2 E5 E- }3 T" v
(p3)
' f& R+ y( Z$ k; t2 M6 G" n (p4)4 p! C& Q- A t0 ]; x
(setq l2jd (jdl2))
% y' e0 _. D. T, J8 I (setq l4jd (jdl4))* @7 u8 B7 t% `/ F0 v$ y O
(setq y3jd (jdy3)). T; M; I2 b: k, Z- D1 C
(setq y5jd (jdy5)) ; 计算各块的初始插入参数
f' J, V" S+ l& N# d0 X# T7 A& O8 Z8 v3 B! t) I. N3 L
(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3 _% \7 T+ Y) N* h; u1 F" M6 m
8 h- M& s' Y1 Q( t% @ (COMMAND "INSERT" "Q1" po0 "" "" (* rad deg))
0 @* e; i \/ M0 W7 I) r! Y3 ?& k (setq xq1 (entget (entlast)))
9 {" ]6 B W2 P7 U. e+ B+ p (command "INSERT" "l2" po1 "" "" (* rad l2jd))( p& u8 D6 K8 a; H6 o, K, B H( M3 X
(setq xL2 (entget (entlast)))
, f; I2 `% `& K (command "INSERT" "Y3" po5 "" "" (* rad y3jd))9 B9 O2 Z, ~8 [" h4 s1 b" N& o
(setq xY3 (entget (entlast)))7 j5 f3 H2 k( h$ A- [3 T
(command "INSERT" "l4" po4 "" "" (* rad l4jd))
0 e* q+ h2 I# q: y6 |. z (setq xL4 (entget (entlast)))
4 o7 h' e4 d. w: f0 t! c (command "INSERT" "Y5" po6 "" "" (* rad Y5jd))
; Y A+ E& a( J' h (setq xY5 (entget (entlast))) ;插入各初始块,并选取
; V6 w0 a3 V9 @* K, P% }
/ W$ }1 l1 u- w' V (while (>= cs 0)$ x. w( G( [' S( n
(setq deg0 (+ deg0 degsetp))
# \ M) ^6 h" \, t* E (setq deg (- deg0))" P3 B) P1 u& a3 [9 T# M5 u
(p1)
5 C. j5 P; C! m3 G6 L (p2)2 M5 s1 |- z) D- g
(p3)' D! H$ G+ k1 I6 K
(p4), X8 u. \# r3 R* r% S& ^: L
(setq l2jd (jdl2))
3 d V# H0 H5 a7 o (setq l4jd (jdl4))* c, `: P# r! E5 I+ Q
(setq y3jd (jdy3))
! n" q" j. P% M$ [( Y' M (setq y5jd (jdy5)) ;计算各块的参数
. V* X* N2 u# q; h5 z- `, T2 c5 V0 s( A! c9 _. R
(setq xq1 (subst (cons 50 deg) (assoc 50 xq1) xq1))
% V. U! S# Z8 @7 \ (setq xL2 (subst (list 10 x1 y1) (assoc 10 xL2) xL2)). w# d) A) {, P$ j y# R
(setq xL2 (subst (cons 50 l2jd) (assoc 50 xL2) xL2))4 c" E; \: k! ^9 \8 F% g
(setq xy3 (subst (cons 50 Y3jd) (assoc 50 xy3) xy3)); ^+ b# @: Y- C8 r4 T8 y4 \: o2 s
(setq xL4 (subst (list 10 x4 y4) (assoc 10 xL4) xL4))
, I, y: J, W6 k3 f6 N! R (setq xL4 (subst (cons 50 l4jd) (assoc 50 xL4) xL4))& ~+ i2 x; \# V8 X0 F! c
(setq xy5 (subst (cons 50 y5jd) (assoc 50 xy5) xy5)) ;修改各块参数
5 V# Y/ z; f3 o0 L1 h( }; n5 I P. J6 ~/ }7 P8 R7 X
; V, D$ U9 @7 `7 s
; (setq yyy5 (* y5jd (/ 180 pi)))
1 |( F$ J! ^7 M% W) V; (setq yyy51(rtos yyy5 2 15))
) p1 F2 F6 w7 O2 d9 X; (princ yyy51 fff). x4 F) ^/ d" J2 C( `+ X8 q6 A% E
; (princ "\n" fff) ;将摇臂夹角写入文件
( i8 y, p+ t/ k& K
4 u1 Q) {5 n+ u5 Y6 H* H; T (entmod xq1)
% a& B. U b' u6 a (entmod xy3)
' h7 I' k% u" s, j0 { (entmod xl2)
0 n! z: b1 s4 y& @* Z (entmod xy5)
?$ z8 u* @/ O/ Q5 B$ } u (entmod xl4) ;将改好的块写入数据库中3 ]5 F9 U) |/ ^+ F1 w- ?; i4 t
1 z) u% \- S- ?4 j1 j (command "DELAY" "0") ;刷新
) v( |0 m- @+ {: H( Y) y& @; C; J. |
(setq cs(- cs 1))7 F4 v! d* }: ?& U3 o+ `
)
$ Y/ C6 z: B% W7 W; (close fff) ;关闭文件
! a$ N: W; Q5 g i (setvar "osmode" pz)& }. a# E: F/ v+ ~
(setvar "cmdecho" echo) ;恢复设置" }# d9 B4 w; T5 ^% j- Y
& b) y; ^/ J' ? |" _/ W( ~4 D( T! t# ^# n8 Z+ y
) |
|
发表于 2008-6-9 20:17
