Baud Rate 9600 Parity NONE Number of Data Bits 8 Number of Stop Bits 1 Flow Control NONE 1 RS232C 200mm 2,000mm DIMM ( ) Telescope East/West LX200 * 1

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1 JARE54 LX200ACF 2012/2/ /6/14 1 Abstract 8 LX200-ACF Linux PC meade Auto Align PC Zero Star Alignment Auto Align Zero Star Alignment Zero Star Alignment Auto Align 2 54 ( JARE54) JARE54 53 (JARE53) JARE52 JARE54 C 2 T DIMM DIMM 3 DIMM DIMM Tohoku-DIMM 4 Meade 8 LX200-ACF DIMM JARE54 Meade 8 LX200-ACF 1

Baud Rate 9600 Parity NONE Number of Data Bits 8 Number of Stop Bits 1 Flow Control NONE 1 RS232C 200mm 2,000mm DIMM ( ) Telescope East/West LX200 * 1 LX200 GPS ( ) 34 Linux PC LX200-ACF 8 LX200-ACF

2 Baud Rate 9600 Parity NONE Number of Data Bits 8 Number of Stop Bits 1 Flow Control NONE 1 RS232C 200mm 2,000mm DIMM ( ) Telescope East/West LX200 * 1 LX200 GPS ( ) 34 Linux PC LX200-ACF 8 LX200-ACF *2 RS232C LX200-AFC Linux PC *1 Meade Telescope Serial Command Protocol Revision pdf *2 manual.pdf 2

5 RS232C-6 LX200-ACF RS232C LX200( Classic ) P.54 *3 2 2 RS232C 6 #2 PC #5 #3 PC #3 #5 GND #4 2 2 RS232C-6 6 USB LX200-ACF RS232C Linux PC(Ubuntu 10.10 kernel 2.6 Vine Linux 4.2 kernel 2.

3 5 RS232C-6 LX200-ACF RS232C LX200( Classic ) P.54 *3 2 2 RS232C 6 #2 PC #5 #3 PC #3 #5 GND #4 2 2 RS232C-6 6 USB LX200-ACF RS232C Linux PC(Ubuntu kernel 2.6 Vine Linux 4.2 kernel 2.6) Windows PC(Windows 7 Professional) RS232C USB USB USB [ ] 900 Prolific PL2303 Prolific *4 Windows Linux (kernel 2.6?) USB /dev/ttyusb0 /dev/ttyusb1 *3 Classic Manual.pdf *4 3

4 7 Linux PC LX200-ACF LX200-ACF Windows PC Tera Term *5 Linux PC C 1 LX s ( ) -r ( ) 3 LX200 RS232C LX200-ACF -r /* rs232c_lx200_new.c */ #include <stdio.h> #include <termios.h> #include <fcntl.h> #include <unistd.h> #include <string.h> #include <stdlib.h> int main(int argc, char *argv[] ){ struct termios tio; int fd; FILE *fpp; char callback[256]="z"; fd=open("/dev/ttyusb0",o_rdwr O_NOCTTY); fpp=fopen("/dev/ttyusb0","r"); if(fd<0){ printf("error: Cannot open the Serial Device\n"); return -1; } tio.c_cflag = B9600 CS8 CREAD CLOCAL ; tio.c_iflag = 0; tio.c_oflag = 0; tio.c_lflag = 0; tio.c_cc[vmin] =0; tio.c_cc[vtime] =1; tcsetattr(fd, TCSANOW, &tio); *5 4

5 if(strcmp(argv[2],"-s")==0){ write(fd,argv[1],atoi(argv[3])); } else if(strcmp(argv[2],"-r")==0){ write(fd,argv[1],atoi(argv[3])); while(callback[0]== Z ){ fgets(callback,sizeof(callback),fpp); } printf("%s\n",callback); } } close(fd); fclose(fpp); return 0; ( ) ( ) $ gcc -o meade rs232c_lx200_new.c $./meade :GL# -r 4 $ 23:12:56# Ubuntu /dev/ttyusb0 Linux PC $ stty -F /dev/ttyusb0 clocal /dev/ttyusb0 Vine Linux root Linux PC LX200-ACF meade 8 LX200-ACF meade LX200-ACF LX200-ACF 8.1 GPS Alignment Park Position LX200-ACF GPS LX200-ACF GPS GPS Alignment [Setup Menu] [Telescope] [GPS Alignment] [On] [AtStartup] 5

6 Park Position [AtStartup] 8.2 Calibrate Sensors LX200-ACF Calibrate Sensors [Setup Menu] [Telescope] [Calibrate Sensors] LX200-ACF [Enter] σ Octans ( σ 5.5 ) 21 h 08 m s (2000 ) Yahoo! GROUPS LX200GPS *6 02 h 31 m s (2000 ) Calibrate Sensors 5 Calibrate Sensors ±1 8.3 Train Drive LX200-ACF 9 LX200 LX200 Meade Telescope Serial Command Protocol Revision :hs# :hp# :hs# Park Position LX200-ACF Park Position Park Position Off :hs# On Park Position :hs# $./meade :hs# -s 4 *6 6

7 ( 1) 2 3 :Aa# -r 4 Automatic Alignment :AA# -s 4 :AL# -s 4 :GW# -r 4 Alignment Status :CM# -r 4 Sync :hp# -s 4 Park Position :hs# -s 4 Park Position :I# -s 3 :M<x># -s 4 (<x>=e,n,s,w) :Q<x># -s 4 (<x>=e,n,s,w) :R<x># -s 4 (<x>=s,m,c,g) :Sw<x># -r 4 (<x>=2..8) :Sd<sDD*MM:SS># -r 13 s=+, - :Sr<HH:MM:SS># -r 12 :MS# -r 4 :Q# -s 3 :F+# -s 4 ( ) :F-# -s 4 ( ) :FQ# -s 4 :F<x># -s 4 (<x>=1,2,3,4) 4 :GA# -r 4 :GZ# -r 4 ( ) :GD# -r 4 :GR# -r 4 :Gd# -r 4 :Gr# -r 4 :GC# -r 4 :GL# -r 4 :GG# -r 4 ( -9) :GH# -r 4 ( 0) :Gg# -r 4 ( ) :Gt# -r 4 :GS# -r 4 3 LX200 7

8 Park Position Park Position :hp# $./meade :hp# -s 4 :hs# Off Off On :AA# (:MC# ) 9.2 :I# :hp# Off On/Off :I# $./meade :I# -s :Aa# :Aa# GPS ±1 :Aa# Park Position $./meade :Aa# -r 4 $./meade :hs# -s 4 $./meade :hp# -s 4 $./meade :I# -s 3 3 :Aa# :I# 1 :LM# :LC# :Gr# :Gd# :Sr# :Sd# Automatic Alignment (Auto Align) LX200-ACF LX200-ACF On Press 0 to align or Mode for Menu [0] 8

9 LX200-ACF LX200-ACF 1 [Enter] 2 [Enter] Alignment successful [?] [ ] [ ] 10.2 Zero Star Alignment :Aa# :hs# hp# I# Zero Star Alignment PC $./meade :Aa# -r 4 $./meade :hs# -s 4 $./meade :hp# -s 4 $./meade :I# -s 3 11 Auto Align Zero Star Alignment LX200-AFC Linux PC 3 8 LX200-AFC Linux PC 9

10 Auto Align Auto Align LX200-ACF 26mm Zero Star Alignment Zero Star Alignment Zero Star Alignment Auto Align Auto Align Zero Star Alignment Zero Star Alignment Zero Star Alignment H p ϵ p ( ) LX200-ACF Auto Align Auto Align Park Position LX200-ACF Park Position Zero Star Alignment 10

11 LX200-ACF Linux PC meade Auto Align Zero Star Alignment 2 Auto Align Zero Star Alignment Auto Align 11

3 C 2 T C 2 T C 2 T < T (x + r) T (x) 2 > r 2/3 (1) t i V i T i Taylor s Hypothesis C 2 T = 1 n 1 n i=2 T i T i 1 2 {(t i t i 1 ) (V i + V i 1 )/2 2/3

3 C 2 T C 2 T C 2 T < T (x + r) T (x) 2 > r 2/3 (1) t i V i T i Taylor s Hypothesis C 2 T = 1 n 1 n i=2 T i T i 1 2 {(t i t i 1 ) (V i + V i 1 )/2 2/3 JARE54 2012/2/3 2012/2/20 1 Abstract C 2 T C2 T Applied Technologies, Inc. Sonic Anemometer/Thermometer Model #SATI-3SX RS232C Linux PC (Ubuntu 10.10, kernel 2.6) sonic C C 2 T sonic.awk sonic.sh #SATI-3SX