|
Posted by leo on September 1, 2008, 2:42 pm
On 1 Sep., 20:28, mike_l_rossREM...@REMOVEcomcast.net wrote:
> leo wrote:
> > Hi
> > I have industrial robot and position is at Point A (x,y,z) in time
> > t=t1. I want to pick product on the belt with speed v (t) (not
> > constant, can change 0-Vmax). At time t=t1 product is at position
> > (X1,Y1,Z1). I have trajectory between A and B at the time t=t1. How
> > can I calculate speed for robot or position to catch this product?
> > Has somebody good document about catching the product on the belt?
> > Thanks.
> > Regards
> > Leo
> Do you know the speed of the belt? If you can get the changing belt
> velocity, you can integrate it forward in time beginning at t1, and that
> will get you the proper position at some later time t2. The faster you can
> get accurate velocity readings, the better that integrated position will
> be.
> If, instead of sensing it, you know the belts expected velocity profile
> between t1 and t2, you could integrate that function instead to get the
> expected position.
> Mike Ross- Zitierten Text ausblenden -
> - Zitierten Text anzeigen -
I know only position of products on the belt in every scan. The
problem is if the belt is fast, how can I reach this speed?
| 
Yahoo! 
Google 
Windows Live 
del.icio.us 
digg 
Netscape 
XML site map
>I have industrial robot and position is at Point A (x,y,z) in time
>t=t1. I want to pick product on the belt with speed v (t) (not
>constant, can change 0-Vmax). At time t=t1 product is at position
>(X1,Y1,Z1). I have trajectory between A and B at the time t=t1. How
>can I calculate speed for robot or position to catch this product?
>Has somebody good document about catching the product on the belt?