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原代码
在CAD中的LISP进行编辑。
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v8 a# k1 f" V" q, ^(defun sqr (xx) (* xx xx))5 K+ M/ y4 Y+ X+ J$ Y
( E/ X8 M3 R( m% L/ t& W(defun p1 () ;计算l2连杆靠近曲柄的联接点坐标
$ r: w: G( K; \" H/ h' }2 B& `# m (setq deg (/ (* deg pi) 180))7 L$ q) v; P. R( f) _7 S+ {2 C" A1 K$ Q
(setq x1 (* r (cos deg)))$ e; I3 E! L# p6 B
(setq y1 (* r (sin deg)))
1 i0 p- s; ~9 r* A( q3 ^5 z (setq po1 (list x1 y1))
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& V; ^1 y0 V7 o- U4 J(defun p3 () ;计算l4连杆靠近曲柄的联接点坐标
! {. u1 C7 o7 h. M; P ? (setq deg1 (+ deg (/ pi 2)))
, M% u. B' s* I; y- j (setq x3 (* r (cos deg1)))
* g6 g1 r2 I: ^! N8 a; v (setq y3 (* r (sin deg1)))
& [8 N( f. s9 n3 f, q (setq po3 (list x3 y3))5 l6 S2 k, k. X4 _% u& S
)
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(defun p2 () ;计算Y3摇臂与连杆L2的铰接点坐标
) j4 C/ p* [, l% \, F) ? (setq c x5)+ Z; F- D7 F0 M9 H; s+ ~$ g6 S
(setq a x1)+ w h: e O$ I% d5 q, F
(setq b y1)( |# S) l3 D# t8 i7 i9 f
(setq d y5)- ^/ [# q: e$ t; R6 N9 y6 o- B6 w
(setq e (- (+ (sqr a) (sqr b)) (sqr l))); N% u! P& J% e. x
(setq f (- (+ (sqr c) (sqr d)) (sqr p)))/ _/ g. ^# H6 C4 @0 I9 h
(setq g (+ (* 2 (sqr a)) (- e) f (* -2 c a)))1 x! g; x" d! R/ o
(setq h (* 2 (- b d)))2 S4 s. D- W) p" w4 {
(setq i (* 2 (- a c)))1 N$ z, N' ^1 o; o! M8 V
(setq j (- (sqr a) e))
, r" h. |$ o% D! _' ^ (setq j1 (* -1 (+ (sqr h) (sqr i))))5 S5 O7 A" k W3 d0 E
(setq j2 (- (* 2 b (sqr i)) (* 2 g h)))
9 v* Q7 A0 d5 T+ d8 m8 V2 a1 |5 H+ l (setq j3 (- (* (sqr i) j) (sqr g)))# _% S4 L N1 {3 u# g1 c
(setq y2 (/ (+ (- j2) (- (sqrt (- (sqr j2) (* 4 j1 j3))))) (* 2 j1)))
+ e8 g- N5 O$ k, D/ H1 z (SETQ X2 (+ A (SQRT (+ (SQR A) (- E) (- (SQR Y2)) (* 2 B Y2)))))% n2 p5 L# V5 F, D! O0 ?4 u( m
(setq po2 (list x2 y2))$ l% o% X3 X* B3 I! u* P
)
/ S; Y3 E( [7 P+ d1 e( U8 u(defun p4 () ;计算Y5摇臂与连杆L4的铰接点坐标
" ]# b0 y- U, l) k$ g2 @ (setq c x6)1 X' O; ~0 w, e5 z3 ^
(setq a x3)/ _& l3 I% N* P( Y2 J) S5 |9 a( Y" S
(setq b y3)9 V' }9 d& ]6 i6 K% o7 m/ G( @
(setq d y6)
0 ]5 G- L: t0 u" A (setq e (- (+ (sqr a) (sqr b)) (sqr l)))5 `: Y, W1 ?( D! N0 S, s8 b7 j$ G
(setq f (- (+ (sqr c) (sqr d)) (sqr p)))+ }. L3 [3 K' W8 T8 h$ d
(setq g (+ (* 2 (sqr a)) (- e) f (* -2 c a)))
9 v% s5 F' R7 e% J2 }6 j4 j (setq h (* 2 (- b d)))& A( U( j t. f* H+ J9 o3 @- [8 ]
(setq i (* 2 (- a c)))3 @6 S9 @7 x7 L3 x5 Q, A2 {8 b
(setq j (- (sqr a) e))
' g( w' E1 ]/ O4 Q. n& v+ `3 w (setq j1 (* -1 (+ (sqr h) (sqr i))))
3 \( K h) R" H' n" ]- d& u2 k- W* H (setq j2 (- (* 2 b (sqr i)) (* 2 g h)))7 }6 z! I: U/ S; E3 T. }7 R. h
(setq j3 (- (* (sqr i) j) (sqr g)))
" D, v# S' _$ s4 j# Y7 E9 w (setq y4 (/ (+ (- j2) (+ (sqrt (- (sqr j2) (* 4 j1 j3))))) (* 2 j1)))% v1 X% U* R" u! r
(SETQ X4 (- A (SQRT (+ (SQR A) (- E) (- (SQR Y4)) (* 2 B Y4)))))
& v5 w9 A/ ~$ O1 d; c0 x% d (setq po4 (list x4 y4)) x* K* h& i9 Q. \ r; M
)
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* J5 b6 B3 v4 `& e8 K" x(defun jdl2 () (atan (- y2 y1) (- x2 x1))) ;计算连杆L2的转动角度" |" R6 [ w3 z, T4 f
(defun jdy3 () (atan (/ (- y2 y5) (- x2 x5)))) ;计算摇臂Y3的转动角度
- J3 `$ O% s4 Y' g7 p0 o' ^% z(defun jdl4 () (atan (- y3 y4) (- x3 x4))) ;计算连杆L4的转动角度 J8 J! `6 T2 E2 l3 b9 i
(defun jdy5 () (atan (- y4 y6) (- x4 x6))) ;计算摇臂Y5的转动角度
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" R6 ]0 j2 M }! `(defun c:fx ()" ^6 M& }7 c: _. X* Z
+ a" ^) a. w; X& o( Q; @) Y: i (SETQ qss(GETREAL "\n 演示旋转圈数:")), I/ }2 B. r. M( {6 N, e
(SETQ degsetp(GETREAL "\n 角度增量:"))% V; _1 C0 S; M0 U6 p* y& a
) e: v3 E2 J" b1 ^4 t8 A
(setq pz (getvar "osmode"))
" o5 {: J, t" K, I (setvar "osmode" 0)
2 j9 t# D' Z2 M! s. q+ H) m- P% a (setq echo (getvar "cmdecho"))
1 a0 t& \1 E! ^ V' P9 z (setvar "CMDECHO" 0) ;保存环境参数 并 设置8 J4 C' o: K# s7 d' W, _
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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& g) t: o& L3 j) h
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(setq cs(- (/ (* 360 qss) degsetp) 1) )+ o! p; V1 g# t5 L( v) l
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(setq r 11.5)) P7 Z& k7 S& _& U- _+ K3 P; k
(setq l 45.5)# p' [! F- P2 o! z! z, s( v5 _
(setq p 51)" }2 k: `2 P$ G C
(setq po0 (list 0 0)) n m) u$ o0 L4 H6 T
(setq x5 61.51)
' f5 ^) g& K4 }" |3 b: x, X (setq y5 -27.5)/ v) l/ F3 o1 }7 k8 ^+ m
(setq po5 (list 61.51 -27.5))
! v5 e D0 Z6 c, `+ J' f1 b# T (setq x6 -61.51)
0 m4 i E$ I k (setq y6 27.5)* f. l0 h9 G+ a" t: F5 C
(setq po6 (list -61.51 27.5)) ;以上是一些固定参数
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0 P1 r$ ~5 C$ ~6 g: T- y, F" o7 Z (setq deg 0)( J f; P: M7 D" W+ M
(setq deg0 deg) T6 ^( N, C% }, B2 T
(setq rad (/ 180 pi))
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. Y0 f* x |- m+ Y (p1). v$ U( _; C1 D: w
(p2)
0 N9 s& k. Z: |2 s5 S (p3)
) a' B- m. n( D (p4)& m8 |9 c( V9 y7 E
(setq l2jd (jdl2))( a1 a; M9 z+ E* n# m, @. n
(setq l4jd (jdl4))2 Y/ z+ v5 A6 w1 K! T- ?1 p
(setq y3jd (jdy3))
9 A( ]( D. a; O! ]! u (setq y5jd (jdy5)) ; 计算各块的初始插入参数
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(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
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% u0 s. S5 s: C; |2 ]- c4 F (COMMAND "INSERT" "Q1" po0 "" "" (* rad deg))
B1 C9 d/ {% v8 l (setq xq1 (entget (entlast)))- s5 s9 j: l; j! d
(command "INSERT" "l2" po1 "" "" (* rad l2jd))
; z+ y( C, ~8 [& F (setq xL2 (entget (entlast)))1 m) @) h. `5 c3 Z1 a+ N9 X
(command "INSERT" "Y3" po5 "" "" (* rad y3jd))
. l/ Q, Q8 y. b# t (setq xY3 (entget (entlast)))
5 _& e8 `$ w2 e/ B/ H* U (command "INSERT" "l4" po4 "" "" (* rad l4jd))
- L- ^9 }5 B3 z8 _5 O( m (setq xL4 (entget (entlast)))4 @& b0 G j8 {$ g5 o1 D' j
(command "INSERT" "Y5" po6 "" "" (* rad Y5jd))5 `+ T7 \0 P# ?1 q. z
(setq xY5 (entget (entlast))) ;插入各初始块,并选取
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(while (>= cs 0)) f4 w! j+ V: C
(setq deg0 (+ deg0 degsetp))% R2 b2 S1 B P9 k
(setq deg (- deg0))
S& G' U2 ` o4 J) Q6 [& ^: K (p1)
3 A/ \# x: P+ K1 I/ H; h (p2)9 H3 L- ]% H0 q4 J
(p3)
5 }* e) x" d: q) |% q (p4)' }0 o+ G+ ^3 d* x3 T5 B0 D
(setq l2jd (jdl2))
- i# `; E0 q) u3 |' h (setq l4jd (jdl4))
" u) H) {2 H; @/ a8 y (setq y3jd (jdy3))) t4 b+ R6 B* D( x; @
(setq y5jd (jdy5)) ;计算各块的参数7 y: c7 e* j6 }
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(setq xq1 (subst (cons 50 deg) (assoc 50 xq1) xq1))
4 }6 x6 I( j+ Z" N, n: e# b! r (setq xL2 (subst (list 10 x1 y1) (assoc 10 xL2) xL2))! a8 ]5 @7 O; o% d( n2 J$ q1 R/ a
(setq xL2 (subst (cons 50 l2jd) (assoc 50 xL2) xL2))7 k2 R) A( R* X* V5 O
(setq xy3 (subst (cons 50 Y3jd) (assoc 50 xy3) xy3))
0 q" @( J3 y8 G& C. M8 X (setq xL4 (subst (list 10 x4 y4) (assoc 10 xL4) xL4))" x; C" w' {3 Z7 U r L
(setq xL4 (subst (cons 50 l4jd) (assoc 50 xL4) xL4))
( X0 n8 V2 H$ t5 O (setq xy5 (subst (cons 50 y5jd) (assoc 50 xy5) xy5)) ;修改各块参数
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# ?: h% g4 x- g2 ?: `; (setq yyy5 (* y5jd (/ 180 pi))). Q2 u- C! k q9 Q) M# `
; (setq yyy51(rtos yyy5 2 15))( F$ f3 G" y" ?% w
; (princ yyy51 fff)
/ u% @) d( B+ b6 `; (princ "\n" fff) ;将摇臂夹角写入文件
# \2 M1 ]1 b9 S5 d5 f! |- N [
" U2 O" S5 h3 r# Q6 k$ E (entmod xq1)1 Y$ k( K/ m' {7 A! h
(entmod xy3)
' w4 a1 n7 _5 E V) d2 @ (entmod xl2)8 {0 y$ G# u4 ` r) M
(entmod xy5)
7 Z8 v7 r; x. D2 n( K* Z! }, f% e (entmod xl4) ;将改好的块写入数据库中
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Y2 C/ C6 D7 B (command "DELAY" "0") ;刷新2 p3 n. j0 G) B9 J3 G5 s
, i4 Q- J5 q/ g& N (setq cs(- cs 1))
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; (close fff) ;关闭文件
0 k8 M, Z2 T' P( ]. Z; F (setvar "osmode" pz)9 ]/ M, I% |- N
(setvar "cmdecho" echo) ;恢复设置. W! g! j. q6 f4 g: ?7 N v
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发表于 2008-6-9 20:17
