Author Topic: in need of PROFESSIONAL ADVICE for thesis (Read 6038 times)

♪ ♫ ♫ ♪ ♪ ♪ ♫ ♫ ♫ · « **Reply #60 on:** October 21, 2009, 11:38:32 PM »

ang pinaka-simply na pattern recognition ay using saturated black and white camera image lang, tapos 1s for white and 0s for black but with x-y coordinate pa rin.

Philippine Electronics Forum · « **Reply #60 on:** October 21, 2009, 11:38:32 PM »

hunter34ray · « **Reply #61 on:** October 23, 2009, 03:13:49 PM »

dapat po kasi ata color recognition sabi nung panel eh.. kasi parang napakasimple po nung black and white lang.. sayang nga po eh.. tska po hindi po ata ganun ka efficient kung ganyan po tama po ba ko?

Philippine Electronics Forum · « **Reply #61 on:** October 23, 2009, 03:13:49 PM »

♪ ♫ ♫ ♪ ♪ ♪ ♫ ♫ ♫ · « **Reply #62 on:** October 24, 2009, 08:01:14 PM »

mas ok nga yong makakarecognize pati kulay ng pattern, actually hindi talaga ako nakagawa ng aktwal na Pattern Recognition Unit (PRU) napag-aralan ko lang ito noon dahil kailangan lang sa work ko, sampu kasing makina ang na may PRU ang responsibilidad ko noon kaya napasabak akong par-aralan itong mabuti.

Z80 lang yong gamit niya na MPU sa B/W PRU + XYZ motor controls + materials indexing motors, stand alone siya.

good luck sa project nyo....

Philippine Electronics Forum · « **Reply #62 on:** October 24, 2009, 08:01:14 PM »

hunter34ray · « **Reply #63 on:** November 03, 2009, 08:28:05 PM »

salamat po.. susubukan na nga po naming buuin ung prototype this sembreak eh.. salamat po sa mga tulong.. wala pong iwanan.. hehe..

pinagiisipan pa rin po namin kung gagawa kami or kung magmomodify kami ng ready made na.. kasi ang prob po sa ready made hindi namn alam kung san ippwesto ung sorting bins at ung camera kasi doon pa lang po sa feeding, iba na.. balak po kasi namin parang xerox ung pasok sa machine para sa ilalim ung camera. eh un nga po iba na agad.. kaya nagdadalawang isip po ulit kami.. salamat po

Philippine Electronics Forum · « **Reply #63 on:** November 03, 2009, 08:28:05 PM »

rdpzycho · « **Reply #64 on:** November 04, 2009, 02:10:36 PM »

ngayon ko lang naalala at IR, 'yung bills ng ibang bansa may iba-ibang stripe pattern para madaling makilala kung ano 'yung bill at kung counterfeit.

Philippine Electronics Forum · « **Reply #64 on:** November 04, 2009, 02:10:36 PM »

hunter34ray · « **Reply #65 on:** November 04, 2009, 10:47:23 PM »

ahh.. sir, our group decided to disregard counterfeit features but thank you sir for the information...

meron po ba kaung sample schem ng motor driving using parallel port at pati na po ung lcd.. kadalasan po ng nakikita ko mcu driving lcd/motor o di lang tlga ko marunong maghanap.. salamat po..

hunter34ray · « **Reply #66 on:** November 04, 2009, 10:55:57 PM »

dagdag ko na rin pala.. mga sir.. ano pong program ang gagamitin para ng po dun sa pagdrive ng lcd at motor.. mga nakikita ko po eh C programs eh.. ang matlab po ba kaya din? salamat po ulit

rdpzycho · « **Reply #67 on:** November 04, 2009, 11:08:54 PM »

Quote from: hunter34ray on November 04, 2009, 10:47:23 PM

ahh.. sir, our group decided to disregard counterfeit features but thank you sir for the information...

meron po ba kaung sample schem ng motor driving using parallel port at pati na po ung lcd.. kadalasan po ng nakikita ko mcu driving lcd/motor o di lang tlga ko marunong maghanap.. salamat po..

actually, 'di lang siya para sa counterfeit. may mga bansa na ang bills, parang malaking bar code kapag tinapat sa IR, may variation 'yung pintura, 'di na kailangan ng image recognition, kung gaanong kalalaki 'yung bars, 'yun 'yung value ng bill. 'di ko alam kung 'yung peso natin ganun din.

rdpzycho · « **Reply #68 on:** November 04, 2009, 11:12:50 PM »

eto ang sample:

pero 'di ko alam kung sa US dollar sadya 'yan.

hunter34ray · « **Reply #69 on:** November 04, 2009, 11:39:51 PM »

astig astig.. hehe salamat sir.. iopen ko po sa knila yan.. salamat po.. tingnan ko na rin po siguro kung meron ganyan pera natin.. salamat po ulit..

zer0w1ng · « **Reply #70 on:** November 05, 2009, 06:34:56 AM »

Quote from: hunter34ray on November 04, 2009, 10:47:23 PM

meron po ba kaung sample schem ng motor driving using parallel port at pati na po ung lcd.. kadalasan po ng nakikita ko mcu driving lcd/motor o di lang tlga ko marunong maghanap.. salamat po..

Driving motors with MCU and the parallel port works in the same principle.
The easiest to control and drive is a stepper.

A quick google gives:
http://electronics-diy.com/stepper_motors.php
http://www.ozitronics.com/docs/k113.pdf
http://www.codeproject.com/KB/vbscript/Stepper_Motor_Control.aspx
http://wiredworld.tripod.com/tronics/stepper.html
http://www.longrange.net/ParallelPort/ParallelPort.html

Another way is to use servo motors but needs exact timing on your software for the pulses.
You may have jitters due to latency of Windows.
http://hilaroad.com/camp/projects/servo1.html
http://uvasux.googlepages.com/pwmmodulator

hunter34ray · « **Reply #71 on:** November 25, 2009, 11:17:17 AM »

mga sir, ano pong suggested stepper motor model nyo para po sana sa sorting part namin.. ung sorting setup po parang may mga nakaabang na bins, one for each type of bill, tapos gumagalaw po sya according sa ilalabas na klase ng bill sa output part ng counter. un po ung naisip ko kaya tingin ko po dapat medyo high torque para makaya nya ung weight nung bin.. ang problema hindi po ako marunong tumingin kung ano magandang model.. pare parehas lang po ba ung may same speed at torque tapos nagkakaiba lang sa brand o may mas malalim pa pong differentiation?

isa pa pong idea is yung nabilang ng bills, mapupunta po sya sa parang another stack tska lang po magsort. so parang ung sorting mangyayari after ng counting at ung pagkuha ng bills mula sa bagong stack ay nakabase po sa order ng pagkakabilang.. tapos ung mismong bagong stack na yun yung umiikot at tumatapat sa mga bins na nka arrange paikot sa kanya..

senxa na po.. gets po ba? hirap gawing salita ung naiimagine ko.. hehe.. senxa na po.. salamat po ulit.

Philippine Electronics Forum · « **Reply #71 on:** November 25, 2009, 11:17:17 AM »

Philippine Electronics Forum