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原代码
在CAD中的LISP进行编辑。; }3 m* O& m& q! b7 B4 h6 t
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(defun sqr (xx) (* xx xx))% w6 F) w1 k {; C% m4 R
: N: h, _+ {# u3 L7 s) d8 v(defun p1 () ;计算l2连杆靠近曲柄的联接点坐标8 x& w7 w% `% ?9 H3 D
(setq deg (/ (* deg pi) 180))
. H8 H4 u" d0 n; W& ^# e (setq x1 (* r (cos deg)))8 N" p T5 {) X1 ]; f' @3 |
(setq y1 (* r (sin deg)))
2 S l( P/ Z# u; j; Y K, }1 B (setq po1 (list x1 y1))
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+ g9 g0 j; q' ]% U0 p0 E(defun p3 () ;计算l4连杆靠近曲柄的联接点坐标
; u2 H9 W: m& w (setq deg1 (+ deg (/ pi 2)))& V" W5 {0 s( O" w
(setq x3 (* r (cos deg1)))
, ^ K+ L5 f: h6 e) u/ d (setq y3 (* r (sin deg1)))
3 M" U2 V U9 M- r (setq po3 (list x3 y3))- m+ ~: b0 L3 W1 G1 c8 ]
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4 [4 b1 h' J. I6 U/ F5 U* O8 t(defun p2 () ;计算Y3摇臂与连杆L2的铰接点坐标
# E! U1 @6 f. ]4 A (setq c x5)
' X+ L& b0 d" |) j6 X" n (setq a x1): L; ^+ z2 \4 q/ R6 \/ A( l/ V
(setq b y1)
+ D, J( x; Z# M( U (setq d y5)
$ K7 Q1 Q0 A9 f4 e3 |7 ] (setq e (- (+ (sqr a) (sqr b)) (sqr l))) t, \) b5 B0 V( q* p2 v) X
(setq f (- (+ (sqr c) (sqr d)) (sqr p)))0 V- A$ O4 R3 `# _
(setq g (+ (* 2 (sqr a)) (- e) f (* -2 c a)))
4 Y4 L- u* _+ d2 c9 a (setq h (* 2 (- b d)))# ]% { Q! H- J3 Y5 x' q
(setq i (* 2 (- a c)))
" t4 C6 K' L, S8 H (setq j (- (sqr a) e))
+ y. ~6 l! k) j/ h$ Z2 y (setq j1 (* -1 (+ (sqr h) (sqr i))))
- k& E0 T# l3 q5 w" u% H" u (setq j2 (- (* 2 b (sqr i)) (* 2 g h)))
! r5 d5 N+ V `4 B) s (setq j3 (- (* (sqr i) j) (sqr g)))" ]- T# m& h2 \' p
(setq y2 (/ (+ (- j2) (- (sqrt (- (sqr j2) (* 4 j1 j3))))) (* 2 j1)))! C4 i2 w6 S$ z0 j2 e4 G- c& z
(SETQ X2 (+ A (SQRT (+ (SQR A) (- E) (- (SQR Y2)) (* 2 B Y2)))))
2 n. O9 d [6 a# i& Q% P& Q (setq po2 (list x2 y2))
/ P/ ?" A+ G3 ^" ~)
" [5 T8 L! y; N4 `& y$ P, E(defun p4 () ;计算Y5摇臂与连杆L4的铰接点坐标4 l$ F4 _8 P0 ]" Z& l# U
(setq c x6)
3 M: d- F- a5 O& T N( B6 @9 H (setq a x3)( q9 Q; g+ M* G* ^& b9 y
(setq b y3)
; r* ]+ N. a6 h# b# {& v; f! ~ (setq d y6)
8 z: @. q0 V- C (setq e (- (+ (sqr a) (sqr b)) (sqr l)))6 D3 b) m( t# ]9 n. @
(setq f (- (+ (sqr c) (sqr d)) (sqr p)))$ f! f! v: T [! ]' Q! a# }! N
(setq g (+ (* 2 (sqr a)) (- e) f (* -2 c a)))/ E8 Q. A/ m) z' Z9 e& Y
(setq h (* 2 (- b d))) y5 Y1 ^: ]; h+ J1 j
(setq i (* 2 (- a c)))
, @ [4 V4 J) C, o: L (setq j (- (sqr a) e))- C o0 w" g! O1 g, r5 t$ b
(setq j1 (* -1 (+ (sqr h) (sqr i))))+ W9 T7 { |% I+ v7 w/ Q6 Y$ J
(setq j2 (- (* 2 b (sqr i)) (* 2 g h)))
) B) S/ T- E* D4 w- z- k (setq j3 (- (* (sqr i) j) (sqr g)))+ h: W2 P3 m" L' X4 P. S1 s, N
(setq y4 (/ (+ (- j2) (+ (sqrt (- (sqr j2) (* 4 j1 j3))))) (* 2 j1))): ^% X' \ D+ H7 k
(SETQ X4 (- A (SQRT (+ (SQR A) (- E) (- (SQR Y4)) (* 2 B Y4)))))8 ^* d" T2 I: H5 g. `, q
(setq po4 (list x4 y4))
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2 i) g9 i7 Q3 \3 `6 l(defun jdl2 () (atan (- y2 y1) (- x2 x1))) ;计算连杆L2的转动角度
3 v$ n/ ]9 f5 w+ g( }, ]2 v(defun jdy3 () (atan (/ (- y2 y5) (- x2 x5)))) ;计算摇臂Y3的转动角度
: p- S0 `2 P2 G& c: y" e6 E(defun jdl4 () (atan (- y3 y4) (- x3 x4))) ;计算连杆L4的转动角度
( f, N n" K5 t6 f. [8 _# ^(defun jdy5 () (atan (- y4 y6) (- x4 x6))) ;计算摇臂Y5的转动角度0 c: W/ |' c1 E7 ]" Q* a5 q5 i5 ]
4 f2 Y$ t: F C; x(defun c:fx ()3 J) \9 j5 X5 E7 B
3 F2 {8 F1 n4 b& G+ _ (SETQ qss(GETREAL "\n 演示旋转圈数:"))7 x M D" @. @* c, ~0 ^7 a& i
(SETQ degsetp(GETREAL "\n 角度增量:"))
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- {, u7 \6 W: t (setq pz (getvar "osmode"))
- v* n6 v* p+ ]' w# w (setvar "osmode" 0)
$ U- c/ W; `, n3 i3 s (setq echo (getvar "cmdecho"))' r$ Y1 l3 E8 I0 R- [ u
(setvar "CMDECHO" 0) ;保存环境参数 并 设置) |* A g, ~6 e; S; X5 U
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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& M5 n1 K4 {2 K% q
9 F9 [: m2 ^0 j" r
(setq cs(- (/ (* 360 qss) degsetp) 1) )/ U2 y, i! h" F* i7 y
7 I: g2 I {4 M& F# J; y$ v) c
(setq r 11.5)
, n H6 b+ N. K7 ] (setq l 45.5)
9 [0 ]; L# _! d (setq p 51)
9 ]5 [) y& c. t (setq po0 (list 0 0))7 ?6 I7 { w$ X+ y0 O* B3 _
(setq x5 61.51)" d+ i9 d9 T0 H5 {1 \
(setq y5 -27.5)
* j/ d% D* e6 x* f4 u& m/ }" a% E1 }, ? (setq po5 (list 61.51 -27.5))
3 H2 k7 f6 R% ~$ c% b (setq x6 -61.51)( C" q4 a. u2 X4 w r
(setq y6 27.5)
5 K9 ?! w6 x$ T; h* u g (setq po6 (list -61.51 27.5)) ;以上是一些固定参数; {) y. X7 f; j1 }$ i1 _( `8 R9 O/ k
6 Z$ g. ?" C* t2 N (setq deg 0)
- U/ T4 R+ }8 t* P- |4 @+ d* W (setq deg0 deg)) H H7 I; J' X
(setq rad (/ 180 pi))
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; M' b) n& Q/ M4 D" d4 Y (p1)
\$ o L( P1 \- L1 A0 I4 C( V3 N (p2)
( u! R! R, m5 m2 i% e, c* S- d (p3); y+ G- S* R9 p3 m( |' g( S
(p4)
1 Q4 f# F# {" {/ f3 {/ p: Q7 c# g6 [ (setq l2jd (jdl2))1 A2 r# _. t. P
(setq l4jd (jdl4))
" X+ ^6 G0 F; {; b! o (setq y3jd (jdy3))
* j/ D$ P& S% s* U7 i5 B (setq y5jd (jdy5)) ; 计算各块的初始插入参数0 Q0 a$ D9 |/ ?# C* u! T. r
}2 H7 A: f; @" m Z1 [ (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6 K9 i5 t# P0 B* j
1 e( `6 p6 C, B1 k2 ^ (COMMAND "INSERT" "Q1" po0 "" "" (* rad deg))
' A& N" n2 ~' {& \- \" A$ \ (setq xq1 (entget (entlast)))# [% ^/ ^/ c$ _- ]
(command "INSERT" "l2" po1 "" "" (* rad l2jd))* h9 a3 {( ~* r/ i5 M8 J4 j! A
(setq xL2 (entget (entlast)))
, \% h# p7 E1 s) `+ Q (command "INSERT" "Y3" po5 "" "" (* rad y3jd))
9 B: p/ j& h7 T& ~/ C/ N (setq xY3 (entget (entlast)))5 y Z- z# z3 p3 y9 L5 y5 [
(command "INSERT" "l4" po4 "" "" (* rad l4jd))
/ Q0 D; P8 F; b (setq xL4 (entget (entlast)))
8 I6 g. K" s% X0 [ (command "INSERT" "Y5" po6 "" "" (* rad Y5jd))
. o8 v- C7 w; d ]$ q (setq xY5 (entget (entlast))) ;插入各初始块,并选取
3 | H( J) o$ w* B
2 G) D3 }* Q# w6 j# y (while (>= cs 0)9 q$ i3 u5 O* G
(setq deg0 (+ deg0 degsetp))) G/ Y4 z( s( R: t1 I3 ~5 |/ S+ L" t
(setq deg (- deg0))+ e0 u' d1 k8 _1 M, F0 J
(p1)
9 W8 m# u+ F( l' M" l (p2)& b- Q& T# i1 D% I) ^6 S
(p3)
0 r( t, }% k- g3 y( c9 `1 y& M ? (p4). T/ d5 `( Y! ?; P# F [7 u' p
(setq l2jd (jdl2))
: v9 D' p: I: d# U. K (setq l4jd (jdl4))% X& s# c) w0 h: _
(setq y3jd (jdy3))% Q3 L8 ?4 w' C' Q X0 z' |
(setq y5jd (jdy5)) ;计算各块的参数5 d4 o) v6 ~; a1 A4 z
! Y! [( }# Q; j6 r (setq xq1 (subst (cons 50 deg) (assoc 50 xq1) xq1))
9 P; b1 ^; j. L7 L" V% \ (setq xL2 (subst (list 10 x1 y1) (assoc 10 xL2) xL2))4 ]3 m5 K' |' q2 I, w* l( I% W
(setq xL2 (subst (cons 50 l2jd) (assoc 50 xL2) xL2))
; R) W6 z" O/ d (setq xy3 (subst (cons 50 Y3jd) (assoc 50 xy3) xy3))+ o& m* I# `+ I8 t
(setq xL4 (subst (list 10 x4 y4) (assoc 10 xL4) xL4)) i6 w8 o# L0 _; X
(setq xL4 (subst (cons 50 l4jd) (assoc 50 xL4) xL4)), j# t- ^/ }3 d* g$ Q
(setq xy5 (subst (cons 50 y5jd) (assoc 50 xy5) xy5)) ;修改各块参数
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. J; O4 f8 E& [* Q; d; (setq yyy5 (* y5jd (/ 180 pi)))
! J) o* L W1 \; ^; (setq yyy51(rtos yyy5 2 15))) M9 T. j' m# }# }
; (princ yyy51 fff)& n) B9 I/ c6 y# H& ^( j/ B
; (princ "\n" fff) ;将摇臂夹角写入文件
% j9 {) _: I' b$ D8 [' Z
) s9 N, ^* b! v: ^+ U0 N- U (entmod xq1)' l4 M! f) W& N% e, Y# k# f
(entmod xy3)' S5 d' I/ s7 G" T
(entmod xl2)
/ g6 T. a2 U" d0 d (entmod xy5); j2 C; u" r/ Z. ?1 ~: K
(entmod xl4) ;将改好的块写入数据库中: |& ~7 ~# o8 a; i+ j
' k" ~, G q i( i) K (command "DELAY" "0") ;刷新) t6 }& g6 U" z5 z( q
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(setq cs(- cs 1))
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; (close fff) ;关闭文件2 v% g* \5 r+ T3 ~
(setvar "osmode" pz)
# B, R7 \- J M (setvar "cmdecho" echo) ;恢复设置
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发表于 2008-6-9 20:17
