bot control
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Posts: 46,084
I hope that this is not too far afield. I asked earlier for help
under Industrial Control and received very nice responses. I have
since had a further inspriation. Please let me know if this is
possible with a stamp. This is for commercial greenhouse irrigation.
We have booms that run on rails that hang from the superstructure of
the greenhouse.
What I want to know is: Could I use a mobile bot to go to the end of a
greenhouse ( down a central concrete walkway ) push up arms that
capture the boom and pull it down the length of the greenhouse
irrigating as it goes then return it to the orginal docking position.
Then lower the arms, back up, turn 90 degrees then go to the next
greenhouse bay and repeat the procedure. Also could the bot measure
the amount of sunlight for a 24 hour period and set the speed of the
bot as it is pulling the boom down the greenhouse. In other words the
more sunlight the slower the bot would go so that more water is
applied to the crop.
As always your help is appreciated.
Mark Gillett
PS What would the best drive configuration be and where to get it.
PSS we could lay wire or whatever would be necessary to guide the bot.
under Industrial Control and received very nice responses. I have
since had a further inspriation. Please let me know if this is
possible with a stamp. This is for commercial greenhouse irrigation.
We have booms that run on rails that hang from the superstructure of
the greenhouse.
What I want to know is: Could I use a mobile bot to go to the end of a
greenhouse ( down a central concrete walkway ) push up arms that
capture the boom and pull it down the length of the greenhouse
irrigating as it goes then return it to the orginal docking position.
Then lower the arms, back up, turn 90 degrees then go to the next
greenhouse bay and repeat the procedure. Also could the bot measure
the amount of sunlight for a 24 hour period and set the speed of the
bot as it is pulling the boom down the greenhouse. In other words the
more sunlight the slower the bot would go so that more water is
applied to the crop.
As always your help is appreciated.
Mark Gillett
PS What would the best drive configuration be and where to get it.
PSS we could lay wire or whatever would be necessary to guide the bot.
Comments
rails directly. The "bot" being a geared electric motor device to pull the
boom down the rail directly, to water the plants, when it reached the end,
it would stay there and repeat the process in reverse for the next cycle.
You don't need any arms or hooks or things to do it. A simple way would be
to use the rails with the motor drive wheels pushing off the rail to move
the boom. You could use sprockets and a chain drive as well, or a long
linear gear tooth drive too. I would probably use a low voltage motor(s),
say 24 volts and a overhanging (ala old electric trolley cars or subway cars
power cable with the rail being ground
You can use a simple cadmium sulfide photocell and maybe a ADC to measure
the light level in order to control the speed.
A Basic Stamp, ADC, photocell, LM293, 298 motor controller and one or two
geared motors would work fine.
Original Message
From: plantnc [noparse]/noparse]mailto:[url=http://forums.parallaxinc.com/group/basicstamps/post?postID=AKn09_60yk8iENMihXWQzUSbGMWxPFoP68RnbKdsiLTxOurq0ST3_TxktjWvH3IVmR2v4Yh9m4sxIX7h]Plantnc@a...[/url
Sent: Sunday, March 24, 2002 11:40 AM
To: basicstamps@yahoogroups.com
Subject: [noparse][[/noparse]basicstamps] bot control
I hope that this is not too far afield. I asked earlier for help
under Industrial Control and received very nice responses. I have
since had a further inspriation. Please let me know if this is
possible with a stamp. This is for commercial greenhouse irrigation.
We have booms that run on rails that hang from the superstructure of
the greenhouse.
What I want to know is: Could I use a mobile bot to go to the end of a
greenhouse ( down a central concrete walkway ) push up arms that
capture the boom and pull it down the length of the greenhouse
irrigating as it goes then return it to the orginal docking position.
Then lower the arms, back up, turn 90 degrees then go to the next
greenhouse bay and repeat the procedure. Also could the bot measure
the amount of sunlight for a 24 hour period and set the speed of the
bot as it is pulling the boom down the greenhouse. In other words the
more sunlight the slower the bot would go so that more water is
applied to the crop.
As always your help is appreciated.
Mark Gillett
PS What would the best drive configuration be and where to get it.
PSS we could lay wire or whatever would be necessary to guide the bot.
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