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#1
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Re: You know what sucks?
Your job as the programmer is to compensate for all of the SLOP, BACKLASH, FRICTION and CG miscalculations the mechanical team has built into the robot. And by the way, you only get one week to fix their five weeks screw-ups.
Happy programming |
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#2
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Re: You know what sucks?
it never mattered to me how straight it goes when you apply full forwars on both sides. it has always been more of a driver thing to fix. they just hafta drive it enough to be able to drive it in a straight line with their eyes closed. which really isnt too hard once you learn what your robot feels like doing at different times. and anyways, ive found i havent had to drive long distances completely straight anyways. things/robots get in the way way to often
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#3
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Re: You know what sucks?
Quote:
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#4
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Re: You know what sucks?
Vacuum's suck... regardless, our 2004 robot did that; it horribly drifted towards one side (I think it was left), but when thrown into reverse, it went straight. I've always thought this to be a mechanical problem, so I took our gearboxes apart and saw that the coupling between the motor and gearbox was grinding against the housing. I got rid of all the friction (and these were off the shelf gearboxes) and it still had that horrible drift... Anyways, lots of driver practice fixed the problem -- so stop pointing fingers at the mechanics and programmers!!! =D
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#5
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Re: You know what sucks?
Quote:
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#6
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Re: You know what sucks?
do u have the pwm cables hooked up right, in the code, there seems to be diffrent settings set for each one, maybe check that out, lol, i guess i better get back to working on everything, last day, and no one else has really showed up....
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#7
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Re: You know what sucks?
guys you are forgetting a cardinal rule about motors, they have full power when applied to the positive, and when you apply full power negative, they spin slower...it was painfully obvious w/ the old drills.
You also might have a wheel out of alignment, aided with the tracking of your motors, may be why you are doing arc's |
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#8
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Re: You know what sucks?
Quote:
Last year we had to compensate for the differenced between the motors on the left and the right, but it is probably easier to fix by programming it, compared to rebuilding it. |
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