which kind of servo motor is the best for any robotic application??

Question

plz provide a link or the name of the book.
also do not provide a simple answer of one or two words, a description must be provided

thnx

Answer 1

technology is built to fit different applications

if you visit http://en.wikipedia.org/wiki/Robotics there are a number of different application strategies; yet when you think about it redundancy like the three computers that control the space shuttle's numerous feedback structured mechanisms creates certainty

so if a person described an optical encoder stepper motor I'd say, how does it know where it is if the optical encoding or even, with certain windings, the stepper function malfunctions

thus a reactance sensor applied to the stepper motor plus a magnetic effect sensor versioning of the optical stepper could create valuable redundancy

I mean you could even argue for a miniature multielement conductive lithotropic foam like antistatic foam with little position detection via conductivity beads rattling maracas-like around each space; as long as one of numerous little foam dots on the movement structure was functioning you'd get process control data
so a redundant omnisensor with a triplet computer plus some multiple version of the motor winding where for each few hundred feet of wire it can have multiple shorts but still route around enough to produce a magnetic field is like a crude start

but what if your robotic application is just a roomba; then its manufacturing that matters

then there is vibration n frequency control; if you think of a stack made up of a rod, spring, n a marshmallow you can see how each can be tuned to provide overlapping latitudes of pressure, give, n absolute positioning with the possibility of the tuning of any of the elements compensating any wear on a particular element; either that or you literally use a fluid as a contact surface plus positioning shim

I'm kind of feeling bizarre that you are thinking a best machine to go with any application; I think nanotechnology basically just goes with redundancy as well as a size such that there is swap space to always create a defined tolerance at whatever activity level

actually you can get pretty clever: Imagine a jack (like an auto jack) helium bag magazine sandwich; the jack attains CM resolution; the magazine is turned to whatever page to get thickness of paper resolution then you could have an IR LED shinging on the helium bag to lift at micrometer or smaller resolution

Answer 2

That's like asking 'what kind of car is best for any application'. Are you hauling gravel or running in a road race? You have to size the motor to the work it's required to do in the application. Too little motor and it won't run. Too much motor and you've wasted money and built something bigger and heavier than it needed to be. There are literally thousands of different DC servomotors. And the same for 1 or 2 phase AC servomotors and/or stepper motors.
And there are tons of sites dedicated to robotics, building and designing robots, etc. etc.

Have fun ☺

Doug

Answer 3

dc brushless. (oh no that was a 2 word simple answer, what happens now??)

Answer 4

http://www.seattlerobotics.org/guide/servos.html