// #hongkong — 2003-03-21
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19:58:00 * Now talking in #HongKong
19:58:00 * Topic is 'Have you ever wondered why "Psychics have never won the Lottery?"'
19:58:00 * Set by Glenn on Wed Mar 19 21:14:29
19:59:00 * ChanOP changes topic to 'Why do you have to click Start to stop Windows 98?'
20:01:00 * linying is now known as linying_eat`n
20:14:00 * Striker is on IRC (David)
20:17:00 * Striker has left IRC
20:25:00 * clay ([email protected]) has joined #hongkong
20:27:00 <linying_eat`n> Hey Clay!
20:27:00 * linying_eat`n is now known as linying
20:28:00 <linying> Sort out your robotics stuffs?
20:28:00 * Loopy_ is now known as Loopy`sho
20:29:00 <clay> umm
20:29:00 <clay> well not yet
20:29:00 <linying> ...mmmmmm...
20:29:00 <clay> just went to see my supervisor
20:29:00 <linying> ...and?
20:29:00 <clay> we have to redesign the body
20:29:00 <clay> and go shopping for motors and wheels
20:30:00 <linying> ...servo motors?
20:30:00 <clay> u dont happen to have iron cad do u
20:30:00 <linying> Dick Smith is a great place to scrounge for that sort of thing...
20:30:00 <clay> well actually not motors.. we have to use these drill motors which was left of overs of last semesters robot project (which was a total failure!! we dint even get it to start running)..
20:30:00 <linying> "iron cad" ?
20:30:00 <clay> yeah i think i should do that this weekend
20:30:00 <clay> iron cad.. drawing program
20:31:00 <linying> AutoCAD...
20:31:00 <clay> yeah thats good too..but .. apparently they want an iron cad to draw it in
20:31:00 <clay> yeah thats good too..but .. apparently they want an iron cad drawing to draw it in
20:31:00 <linying> ...and CircuitMAker for the electronic drawings and simulations....
20:31:00 <clay> yeah circuit maker is good
20:31:00 <clay> got that too
20:32:00 <linying> :)
20:32:00 <clay> yeah so basically that is my task for the weekend
20:32:00 <clay> do you think suspension is significant in a military surviellance robot?
20:33:00 <linying> I'm using a couple of 20Amp DC wheelchair motors for my project...
20:34:00 <clay> lol im using dicksmith 14 V drill motor (made in china!!), hopefully he can give us some good speed controls with it.. (he said he will)
20:34:00 <clay> we might have to make a custom gear box for it
20:34:00 <linying> Use MOSFET H-bridges and PWM... nothing to it! :)
20:34:00 <clay> its a 6 wheeler robot
20:34:00 <clay> skid steering...
20:34:00 <linying> Sheesh!
20:34:00 <clay> yeah shesh!
20:34:00 <clay> rough 3 feet by 600 mm
20:35:00 <clay> roughly**
20:35:00 <linying> That's going to weigh a ton!
20:35:00 <clay> its meant to navigate autonymously to a designated area and search for a bomb parcel (which would be some color coded box) pick it up and put it somewhere or place it in a container..
20:35:00 <clay> yeah! i know!
20:36:00 <clay> that is why im doubting those 14 Volts drill motors can handle it..but theres 6 of them
20:36:00 <linying> What are you using for the colour recognitio... passive sensors or video?
20:36:00 <clay> passive sensors! obcourse.. video recognition would be another thesis project topic to do!
20:37:00 <clay> i dunno anything about video interface and stuff.. we might need heaps of software coding for that.. not my kinda thing.
20:37:00 <linying> My 3rd year stoodents will be doing colour recognition in a few weeks using video cameras...
20:37:00 <linying> The have to build and programme robots which will round up pink tennis balls in a 2 metre diameter circle...
20:37:00 <clay> yeah? well if we have time.. which we will be hoping we would...spare time left end of the year we might be able to put video in
20:37:00 <clay> hopefully.........
20:37:00 <linying> ...and ignore the green balls...
20:37:00 <clay> is there alot of work involve in it glenn?
20:38:00 <linying> We started today... LEGO!!!
20:38:00 <clay> and if we do have to use a video camera does that mean we have to mount a computer on board the robot?
20:38:00 <linying> IR link from PC to robot, long USB cable from camera back to PC....
20:38:00 <clay> man gippsland does more interesting subjects than elec engineering
20:39:00 <clay> be good if u can use wireless with that
20:39:00 <linying> ...welcome to the "Toys`R`Us" department!
20:39:00 <clay> anyway im just worried about software in the future and all that navigating and mapping and sensing
20:39:00 * gwyneth ([email protected]) has joined #hongkong
20:40:00 <clay> for now. .my main worry would be making this damn thing!
20:40:00 <linying> Should've seen the looks of disgust on the little darlings faces when I whipped out the boxes of LEGO bits....!
20:40:00 <clay> i heard 6 wheelers are hard to steer with skid steering
20:40:00 <clay> lol
20:41:00 <linying> I've two 4th year stoodents involved in similar projects... one has a 6 legged stair-claimbing walker... the other has a six motor snake...
20:41:00 <clay> lol my friend is doing that for a thesis
20:41:00 <clay> btw what course is this glen? engineering?
20:41:00 <linying> Yes... Mechatronics
20:42:00 <clay> yeah it would be nice if they offer mechtronics in clayton
20:42:00 <linying> ...combined electronics, mechanical, computing and robotics
20:42:00 <clay> its a 4 year course?
20:42:00 <linying> May do soon... in Clayton get's their evil way and shuts us down on Monday evening!
20:42:00 <linying> Yes... and we have a campus in Malaysia.
20:42:00 <clay> really
20:42:00 <clay> monday?
20:43:00 <clay> shit
20:43:00 <clay> so soon
20:43:00 <clay> at least they should just finish the whole year
20:43:00 <clay> kinda unfair
20:43:00 <linying> Monday is when the final decision is to be made... should know o Tuesday morning...
20:43:00 <clay> and when do they start taking actions?
20:43:00 <linying> The year will finnish as normal... business as usual.
20:43:00 <clay> argh well
20:43:00 <clay> what to do
20:44:00 <linying> Dunno...
20:44:00 <clay> brb im gona make an image of my HD
20:44:00 <clay> b4 i start installing everything
20:44:00 <linying> OK.. I gotta go too....
20:44:00 <linying> Take care!
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