There has been some exploring into this area but it doesn't seem to have taken hold in the mainstream just yet.
In short, yes there is benefit to a continuous feeding regimen if you could somehow manage it.
There are a couple commercial plankton reactors that grow phyto and can be dripped into the tank, presumably could also be dripped into a second stage reactor growing rotifers to feed those, and then have that dripped into the tank. (These are the ones I'm thinking of:
http://www.aqua-medic.com/products/p...kton%20Reactor )
I've always wanted to try something like this at some point:
http://www.reefkeeping.com/issues/20...nftt/index.php
There's also this:
http://www.reefkeeping.com/issues/20...nftt/index.php
More articles:
http://reefkeeping.com/issues/subject/feeding.htm