Looking around...

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bcarpenter
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Looking around...

Post by bcarpenter »

OK, totally irrelevant question to whether this robot works or not, but one that has intrigued me for a while. When Neato enters a room, it pauses, then rotates a little to each side as if looking around.

Why? Doesn't the turret scan 360°?

And, less intriguing, why the pauses to think about where to go? I would have thought modern CPUs would be able to handle this navigation/planning task quickly enough not to need to pause like this.
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mfortuna
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Re: Looking around...

Post by mfortuna »

Modern CPUs come in all kinds of performance levels. It could be the amount of program initialization required when the Neato enters a new room is significant. It is probably clearing and setting up map tables as well as acquiring data from the nav laser. Even my 3GHz desktop pauses once in a while. :)
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vic7767
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Re: Looking around...

Post by vic7767 »

bcarpenter wrote:Why? Doesn't the turret scan 360°?
It does. There is a Lidar unit inside the Neato that scans 360 degrees.
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eqwalker
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Re: Looking around...

Post by eqwalker »

vic7767 wrote:
bcarpenter wrote:Why? Doesn't the turret scan 360°?
It does. There is a Lidar unit inside the Neato that scans 360 degrees.
I think what he might be asking is why it must turn while it is stopped as if it is not reading the lidar's full 360 degree view but only a part of the lidar view area and must turn some to get the whole picture.
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Re: Looking around...

Post by Doomsday »

I am going to assume that the reason it turns is the housing still has stands to keep the top on the unit. While they are really thin, at a distance, maybe something could be missed with its scanning in those "blind" spots and it moves side to side to make sure it doesnt miss anything.
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sageman
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Re: Looking around...

Post by sageman »

also probally to erase any errors that might be occoring and the robot dont know about
400/disco disassembly's (everything down to the PCB)
http://www.robotreviews.com/wiki/400disco-disassembly

one day many years from now a person will say "right I'll just ROOMBA downstairs" instead of hoover
oh wait I already do :)

main bot: neato xv-15 (Europe xv-11)
to sell (one day): roomba sage and silver (both 400's)
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neato
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Re: Looking around...

Post by neato »

The Neato pauses and turns when it enters a new area because as part of the automated navigation it needs to establish an initial map from several view points. The pause is because it takes a significant amount of CPU power to process the map and plan the route before it can start cleaning. The Neato also pauses when it is recovering it's position for the same reasons.
JEfromCanada
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Re: Looking around...

Post by JEfromCanada »

There are two reasons I can think of to explain why the robot turns slightly. Both have been alluded to in prior responses.

1) There are blind spots in the scan caused by the posts in the turret.
2) Changing the perspective of the robot adds an element of "stereo" vision to the single-eyed scanner. This stereo vision is used to form a better image of its surroundings.

If you watch the military channel, you'll notice that almost all robots with "vision" capability use a moving sensor to form a stereophonic image (multiple views of the same image from slightly different perspectives).
Current and prior robots:
Roomba Discovery 4210 (R.I.P. - Freecycled)
Roomba 560 (retired)
Neato XV-11 SW version 3.1.17844, LDS version 2.6.15295, with Pet Brush and Vic's filter (sold)
Neato Botvac 80 SW version 1.1.97, LDS version 2.6.15295, Board SW version 22753 (retired)
Neato D7 Connected SW version 4.5.3-189 (sold)
Roborock S7 Max V Ultra w/optional dryer
bcarpenter
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Re: Looking around...

Post by bcarpenter »

Ah, the blind spots. Now it makes sense.
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Re: Looking around...

Post by piokrza »

I think that might be caused to clear up these blind spots (caused by three brackets which holds the roof on the turret), (Doomsday) and "establish an initial map from several view points" (neato point of view), are the most reasonable.
OntheWay
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Re: Looking around...

Post by OntheWay »

When you enter a big mall (those remembers labyrinths) for the first time, or when you leave a theater you didnt visit oftenly to foyer, what you you do ? *grin*
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Wing Nut
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Re: Looking around...

Post by Wing Nut »

Neato's turn and scan is a much more refined behaviour than another brand's bewildering spins :)
#1 Neato XV-11 SW 2.0 Board Rev 113 / 4400mAh Lithium Power battery installed Jan 2018 / Pet & Allergy pack installed Sept 2013. In July 2014, received and repaired a faulty #2 Neato XV-11, running Lithium Power 4400mAh battery since July 2015
JEfromCanada
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Re: Looking around...

Post by JEfromCanada »

OntheWay wrote:When you enter a big mall (those remembers labyrinths) for the first time, or when you leave a theater you didnt visit oftenly to foyer, what you you do ? *grin*
I generally look around for my mommy! :)
Current and prior robots:
Roomba Discovery 4210 (R.I.P. - Freecycled)
Roomba 560 (retired)
Neato XV-11 SW version 3.1.17844, LDS version 2.6.15295, with Pet Brush and Vic's filter (sold)
Neato Botvac 80 SW version 1.1.97, LDS version 2.6.15295, Board SW version 22753 (retired)
Neato D7 Connected SW version 4.5.3-189 (sold)
Roborock S7 Max V Ultra w/optional dryer
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mfortuna
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Re: Looking around...

Post by mfortuna »

Wing Nut wrote:Neato's turn and scan is a much more refined behaviour than another brand's bewildering spins :)
Until your LIDAR fails! :D

At least on respected RR member has both robots, and according to him the one with bewildering spins cleans just as well as the Neato.

As soon as one of my 6+ year old Roomba Reds dies I will probably get a Neato. But I will probably get bored watching it. My Mint bores me as well, until it gets stuck!
Mike
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OntheWay
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Re: Looking around...

Post by OntheWay »

JEfromCanada wrote:
OntheWay wrote:When you enter a big mall (those remembers labyrinths) for the first time, or when you leave a theater you didnt visit oftenly to foyer, what you you do ? *grin*
I generally look around for my mommy! :)
:lol: Then this is what it does, question answered! :lol: (I was wondering why it keep hugging the canister sitting in a corner Dont open your brand new neato box when the canister in vicinity)
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Fraggboy
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Re: Looking around...

Post by Fraggboy »

mfortuna wrote:
Wing Nut wrote:Neato's turn and scan is a much more refined behaviour than another brand's bewildering spins :)
Until your LIDAR fails! :D

At least on respected RR member has both robots, and according to him the one with bewildering spins cleans just as well as the Neato.

As soon as one of my 6+ year old Roomba Reds dies I will probably get a Neato. But I will probably get bored watching it. My Mint bores me as well, until it gets stuck!
ROFL.. I have to agree about the "bewildering spin" robotic vacuum does a pretty good job in cleaning as well. I have owned both, and I have to say they were both on-par in keeping my home clean regardless of navigation. At least the 'other' robotic vacuum has a 'dumb' side-spinning brush. :lol:
Chris

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JEfromCanada
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Re: Looking around...

Post by JEfromCanada »

I am PRAYING for a bristle brush! My carpet is SO DIRTY after a few weeks of Neato leaving behind dog hair - just one run of my Roomba clears up weeks worth of missed hair pickup.

Don't get me wrong. I LOVE my Neato and its smart navigation. I just wish it could clean as effectively as Roomba. I have to refer back to the Spanish site's comparison test of XV-15 vs. Roomba 560. Roomba blows Neato away in effectiveness. I wish it were not so!
Current and prior robots:
Roomba Discovery 4210 (R.I.P. - Freecycled)
Roomba 560 (retired)
Neato XV-11 SW version 3.1.17844, LDS version 2.6.15295, with Pet Brush and Vic's filter (sold)
Neato Botvac 80 SW version 1.1.97, LDS version 2.6.15295, Board SW version 22753 (retired)
Neato D7 Connected SW version 4.5.3-189 (sold)
Roborock S7 Max V Ultra w/optional dryer
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Fraggboy
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Re: Looking around...

Post by Fraggboy »

Have you checked out the other thread where they use a VR100 brush with bristles? That post is: here.

They claim it picks up better, but you have to clean the brush more often (Like the Roomba).

Might help for you?
Chris

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JEfromCanada
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Re: Looking around...

Post by JEfromCanada »

Fraggboy wrote:Have you checked out the other thread where they use a VR100 brush with bristles?
Yes, I have checked out that other thread. I didn't see anything about it being tested by someone with pets. Of course, I assume a brush will require more maintenance than a simple beater bar. The questions is: how much maintenance? It can't possibly be as bad as the Roomba's maintenance (10-15 minutes to clean after each run!)
Current and prior robots:
Roomba Discovery 4210 (R.I.P. - Freecycled)
Roomba 560 (retired)
Neato XV-11 SW version 3.1.17844, LDS version 2.6.15295, with Pet Brush and Vic's filter (sold)
Neato Botvac 80 SW version 1.1.97, LDS version 2.6.15295, Board SW version 22753 (retired)
Neato D7 Connected SW version 4.5.3-189 (sold)
Roborock S7 Max V Ultra w/optional dryer
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Fraggboy
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Re: Looking around...

Post by Fraggboy »

Oh yea. It would just require cleaning the brushes and brush ends more often, but I'm sure it would pick up more pet hair.
Chris

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