|
|
原代码
在CAD中的LISP进行编辑。0 B3 @% P5 W3 @: o0 N- F8 ^! x
" J& g0 O1 R+ |% I/ [
(defun sqr (xx) (* xx xx))
- z! E& ~) h" u. B$ y r8 [( L- }
2 \5 P8 d+ y: Y9 p' P; f* j(defun p1 () ;计算l2连杆靠近曲柄的联接点坐标
& H" E9 p3 _$ T* K$ k7 K (setq deg (/ (* deg pi) 180))3 Y7 d3 K/ _% [/ P% n* ^
(setq x1 (* r (cos deg)))
3 k; o) }, D- @ (setq y1 (* r (sin deg)))( d% M. A7 \. w& z9 T5 V
(setq po1 (list x1 y1))) P- x+ V( g0 B0 f, j0 e7 ]+ _5 X
)
9 K9 \, i, [0 Y
* `) j+ ^* Z" K+ f% u/ g$ n(defun p3 () ;计算l4连杆靠近曲柄的联接点坐标
+ r8 i1 \/ c% k (setq deg1 (+ deg (/ pi 2)))
$ b+ k4 s8 L# p- x7 \& r (setq x3 (* r (cos deg1)))8 g% w* B" }; \7 x5 j$ \. |" L
(setq y3 (* r (sin deg1)))5 V5 O; H) T n. A0 P
(setq po3 (list x3 y3))* B4 x0 P% Q: ?1 r1 U3 A7 Y c
)) j7 Z3 _4 [' ?% c" N$ t$ c
& ], ^" S* J8 f4 M- U(defun p2 () ;计算Y3摇臂与连杆L2的铰接点坐标: Z1 O, ]/ E! x& h
(setq c x5). y n2 D9 ]7 j4 ~! }
(setq a x1)
% \# W7 B% C+ K5 H/ j( M# c F9 m# S (setq b y1)# z5 p: ^! V3 Q" p
(setq d y5)& l. j- _" V; N9 d
(setq e (- (+ (sqr a) (sqr b)) (sqr l)))
7 Y5 D$ u3 N6 k. C, C- N (setq f (- (+ (sqr c) (sqr d)) (sqr p)))8 W3 W+ H$ ?/ q9 F9 x
(setq g (+ (* 2 (sqr a)) (- e) f (* -2 c a)))" n1 ^. z3 I3 v1 o9 C9 \* d* {" O
(setq h (* 2 (- b d)))
* j: N$ r. t5 O" J P& e# _; j (setq i (* 2 (- a c)))' j" n( Y# @4 q1 R$ m0 v
(setq j (- (sqr a) e))4 C5 v% ^ N% |2 t* h. O
(setq j1 (* -1 (+ (sqr h) (sqr i))))! H6 y' N/ U+ f" m- H$ b/ W
(setq j2 (- (* 2 b (sqr i)) (* 2 g h)))/ ]. L% V+ q( D( ]! ]$ P" h
(setq j3 (- (* (sqr i) j) (sqr g)))
6 p6 i! E9 N4 a" n. B (setq y2 (/ (+ (- j2) (- (sqrt (- (sqr j2) (* 4 j1 j3))))) (* 2 j1)))
+ i" z$ _& W/ o/ _0 o (SETQ X2 (+ A (SQRT (+ (SQR A) (- E) (- (SQR Y2)) (* 2 B Y2)))))7 I" B1 t4 r, L6 `3 U4 v! S
(setq po2 (list x2 y2))
R0 `9 Z5 k) y* _5 K)) X! B* v( Y ] j1 U2 n( Q
(defun p4 () ;计算Y5摇臂与连杆L4的铰接点坐标
; f( f8 l1 ~$ _( Z: Y (setq c x6)& e! V2 l9 A S& L6 u
(setq a x3)
$ V& M Z* E4 Z0 g5 Q4 M (setq b y3)
, K, I6 ^5 o) K2 K$ M8 M: d5 W5 [ (setq d y6)
: c# O; w. o1 S. k (setq e (- (+ (sqr a) (sqr b)) (sqr l)))
4 Y3 @; L6 a9 K+ Q+ T; F- `+ Y/ m- n0 T (setq f (- (+ (sqr c) (sqr d)) (sqr p)))0 V0 T6 d' b ?
(setq g (+ (* 2 (sqr a)) (- e) f (* -2 c a)))/ \6 T9 z! L7 C& v* d
(setq h (* 2 (- b d)))
: k9 \7 A7 S/ F: z* z (setq i (* 2 (- a c)))
$ F( U6 _) F# S% f+ H+ F6 ~ (setq j (- (sqr a) e))" q( @' }" J3 Y t5 A( W) X; j" i
(setq j1 (* -1 (+ (sqr h) (sqr i))))# |9 [* X( Y* H- s: x, n
(setq j2 (- (* 2 b (sqr i)) (* 2 g h))) j& V( g: _6 ]' W
(setq j3 (- (* (sqr i) j) (sqr g)))4 T9 r, a$ h5 W) V1 t5 x, g8 p
(setq y4 (/ (+ (- j2) (+ (sqrt (- (sqr j2) (* 4 j1 j3))))) (* 2 j1)))8 B/ d0 d8 I2 ]2 N& S: F6 ~! ~9 j
(SETQ X4 (- A (SQRT (+ (SQR A) (- E) (- (SQR Y4)) (* 2 B Y4)))))/ w! Y$ k( w7 K7 a7 ^: @8 H
(setq po4 (list x4 y4))
$ w3 B$ A6 Z( e: S2 O# ^3 }) d; I)! Q8 K% z8 M; X) I
% f$ f! g; @, L w& G! v# N
(defun jdl2 () (atan (- y2 y1) (- x2 x1))) ;计算连杆L2的转动角度
5 T3 H& O4 E# x O1 s, A5 q(defun jdy3 () (atan (/ (- y2 y5) (- x2 x5)))) ;计算摇臂Y3的转动角度8 p" u& ^! n! F2 N
(defun jdl4 () (atan (- y3 y4) (- x3 x4))) ;计算连杆L4的转动角度( {: U, v8 ^$ d0 n
(defun jdy5 () (atan (- y4 y6) (- x4 x6))) ;计算摇臂Y5的转动角度
, ~0 ^$ ?; T& O3 S% F, s$ |* E6 M9 N* \! h
(defun c:fx ()& o: K: W3 r- O* J4 q9 f
( g' c# m7 g5 }& d
(SETQ qss(GETREAL "\n 演示旋转圈数:")): o, e; r* [4 r! D# M- H \
(SETQ degsetp(GETREAL "\n 角度增量:"))
4 }$ ~' S6 w4 {$ w8 y
. J5 u% m& ~9 Z& [% G5 o' Y+ u$ Q (setq pz (getvar "osmode")); e& p. m" K5 R: X$ e% S4 e* |
(setvar "osmode" 0)
6 m) X1 @" g5 P! l# d$ Z3 I ? (setq echo (getvar "cmdecho"))
9 F( X: R7 x x (setvar "CMDECHO" 0) ;保存环境参数 并 设置5 T; l8 e: R' |6 T& u3 H
" c1 p2 [3 @$ o; p; F3 r J
; (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- D% Z4 s# M! T# s, S: z( `) o8 I
3 [ k2 g4 ] O( H6 B( t' ~
(setq cs(- (/ (* 360 qss) degsetp) 1) )5 y7 z3 X& G$ F" O# |/ X9 j
0 c7 L4 [( }9 Q" w4 l/ w8 q (setq r 11.5)
9 ]$ q* G, n+ l- E f+ K" j (setq l 45.5)# I5 h& F; R$ D' k
(setq p 51)# C8 G# x5 f, R7 \; {
(setq po0 (list 0 0)): I f- t- g. {5 q( W0 Y. p
(setq x5 61.51)% }. N# X; p- B& E
(setq y5 -27.5) n$ B* g# ?% o! ~
(setq po5 (list 61.51 -27.5))1 k3 o- l) E* d% Y
(setq x6 -61.51)' a; I6 M8 R0 K6 S v
(setq y6 27.5)3 `0 a- B' b# W8 A
(setq po6 (list -61.51 27.5)) ;以上是一些固定参数: @- D, [/ u4 l. Z1 r
; k. A: G" |+ O9 b
(setq deg 0)
# L9 x8 n$ n3 i4 o& ~2 V* } (setq deg0 deg)5 K( T: x! G5 {
(setq rad (/ 180 pi))( Q9 P: ]+ O& N" P0 S
% C1 [5 o# M) \! v+ @- |4 M. b
(p1)
6 U v0 L0 p( b (p2)
% j4 p3 m" D8 { (p3)
( V K2 z1 H& k3 \& b (p4)
; D4 B1 C( ~$ { (setq l2jd (jdl2))
- r/ b' I1 k1 Z, E5 {( _; ` (setq l4jd (jdl4))
, g$ D# _6 k' C) q, i% n( H (setq y3jd (jdy3))
9 l6 e3 ^+ p# O+ @8 ?2 O7 | (setq y5jd (jdy5)) ; 计算各块的初始插入参数; ~+ p" R1 Q5 c5 t3 `2 R4 Y
4 u% k( g6 n2 J9 u (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% N4 L4 K7 F9 N, L4 v
) N8 y- x, Y4 b" R) z' j4 W& | (COMMAND "INSERT" "Q1" po0 "" "" (* rad deg))7 u: D! y! W0 x( D1 }# R+ P/ M/ z
(setq xq1 (entget (entlast)))
; s$ W' r3 i/ J7 W" t0 D (command "INSERT" "l2" po1 "" "" (* rad l2jd))2 l* a( _3 X; U
(setq xL2 (entget (entlast)))
; t7 s5 T4 g. l* S9 j (command "INSERT" "Y3" po5 "" "" (* rad y3jd))
- I/ T3 ]3 T7 O9 c$ E9 F (setq xY3 (entget (entlast)))7 k" {& ~( `, t/ d( E
(command "INSERT" "l4" po4 "" "" (* rad l4jd))
) v+ P: a& r' H) X4 f @0 q (setq xL4 (entget (entlast)))
+ V. C" A$ p* B/ y5 W (command "INSERT" "Y5" po6 "" "" (* rad Y5jd))
+ q! {, G) n$ e; N! S0 N* t# f5 w( P6 K9 m (setq xY5 (entget (entlast))) ;插入各初始块,并选取
" x( |! c4 l: ^9 q5 \ o8 F" t6 E' {; J7 _8 u! d8 n) }8 v
(while (>= cs 0), b1 d' B6 T* U3 n! C
(setq deg0 (+ deg0 degsetp))8 s" p" I) v& }* D, s" y
(setq deg (- deg0))
( M8 d* u% _/ H (p1)1 k- e0 `2 e+ m- B. X- O) G( w0 I+ Z
(p2)
4 D3 f2 l; p+ g (p3)
$ x( X3 F% _' K) p: \4 t- z (p4)* g, I) L8 v7 N% Y
(setq l2jd (jdl2))
, _2 s0 q# B1 y4 U% `, E- [! C% K (setq l4jd (jdl4))
! x1 _) V* c! E2 W+ ~ (setq y3jd (jdy3))" }5 b3 V' a- O' {2 j
(setq y5jd (jdy5)) ;计算各块的参数
1 m" {! p; {# S: J5 F) s
; [) E7 P! s+ S7 N3 s7 j# O- ` s: Q! y (setq xq1 (subst (cons 50 deg) (assoc 50 xq1) xq1))
9 n) h- a' g% R& C, `& \; k (setq xL2 (subst (list 10 x1 y1) (assoc 10 xL2) xL2))
, m, {4 C- @7 W; D# f3 o0 q (setq xL2 (subst (cons 50 l2jd) (assoc 50 xL2) xL2))2 c( D; R+ E7 e9 n3 R) }& P; g
(setq xy3 (subst (cons 50 Y3jd) (assoc 50 xy3) xy3))
% A( w$ Y8 O- ~/ U) o* x3 i (setq xL4 (subst (list 10 x4 y4) (assoc 10 xL4) xL4))
' k P' ~6 k/ o6 L) ^) X (setq xL4 (subst (cons 50 l4jd) (assoc 50 xL4) xL4))
9 h2 b. f* f, R. k; J5 J7 ? (setq xy5 (subst (cons 50 y5jd) (assoc 50 xy5) xy5)) ;修改各块参数 b: S" l- U# {6 t! R9 B) P5 d
# G) m B1 M9 \$ ^: G0 b6 e2 F2 k- ]& [" X1 w$ l) D
; (setq yyy5 (* y5jd (/ 180 pi)))" \0 u# ^5 ` f- z6 }2 K4 V. n
; (setq yyy51(rtos yyy5 2 15))
' J( r2 ]% a2 W6 \; (princ yyy51 fff)
; w/ z- c2 ~+ d3 c; (princ "\n" fff) ;将摇臂夹角写入文件
7 x+ k" B3 V, D9 }
' A# a) ?3 W# Y) n1 P5 _ (entmod xq1)
# l+ Z, p \* e6 @& h (entmod xy3), g$ T1 F/ X( n% _5 L# O
(entmod xl2)5 {5 ? n1 W. g4 s, L) o0 M( \
(entmod xy5)
2 y% C( _8 }! i; ] (entmod xl4) ;将改好的块写入数据库中
' T3 N, W$ M" c U# T' \2 _* b; u1 I4 l/ t
(command "DELAY" "0") ;刷新
+ J2 o/ x3 b. `9 ^5 V8 y! o1 [
% V# s+ R+ c- t+ @7 }6 B1 e (setq cs(- cs 1))
4 T) S7 V0 n6 V+ _, u4 b )
7 {2 O1 e5 f" C3 N: ~; (close fff) ;关闭文件
9 m2 Z0 S6 |. m% p" ~$ o (setvar "osmode" pz)# s: h: @1 F) j: t, H) E9 r3 q
(setvar "cmdecho" echo) ;恢复设置4 ?* ?3 y* ?: |
& A8 d- h. b" O* L9 c9 c
6 w/ a+ m6 G7 p& P9 c, M1 X
) |
|
发表于 2008-6-9 20:17
