[NSRCA-discussion] Servo Signals

[Phil Spelt]

Yea, Richard, "Dream on, dream on, Teenage 
Queen..." to quote a pop song from the '60s/'70s/???

On second thought, here's your chance for 15 
minutes in the spotlight!  Get to work...

At 09:02 PM 6/20/2009, you wrote:
>
>I for one am eager to see a leap in servo 
>technology.....Bidirectional serial comms to the 
>servos with the servo being able to feed back 
>torque, amps, position, rate, etc.....and 
>encoder/resolver position feedback in the servos 
>to really catch up with the world we live in......
>
>Richard
>
>
>From: Richard Lewis <humptybump at sbcglobal.net>
>To: General pattern discussion <nsrca-discussion at lists.nsrca.org>
>Sent: Saturday, June 20, 2009 7:51:32 PM
>Subject: Re: [NSRCA-discussion] Servo Signals
>
>More accurately it is a pulse position 
>signal.  The RX sends a beginning pulse that the 
>RX recognizes and then a position pulse at a 
>later time.  The time between the start pulse 
>and the position pulse is the absolute position 
>that the servo is commanded to move to.
>
>Link to a tutorial:
>
>http://www.hooked-on-rc-airplanes.com/servo-tutorial.html
>
>Richard
>
>
>From: Ed White <edvwhite at yahoo.com>
>To: General pattern discussion <nsrca-discussion at lists.nsrca.org>
>Sent: Saturday, June 20, 2009 11:52:22 AM
>Subject: Re: [NSRCA-discussion] Servo Signals
>
>Its pulse width modulation.  The pulse length 
>varies from roughly 1.0 millisecond to 2.0 
>milliseconds in length, with center at roughly 
>1.5 msec.  For a typical radio, the pulse is 
>repeated about 50 times per second or about once 
>every 20 msec (though this can vary quite a lot).
>
>Ed
>
>
>From: Jay Marshall <lightfoot at sc.rr.com>
>To: nsrca-discussion at lists.nsrca.org
>Sent: Saturday, June 20, 2009 10:12:24 AM
>Subject: [NSRCA-discussion] Servo Signals
>
>I’m sure everyone knows the answer to this – 
>but me. Is the control signal sent from the 
>receiveer to the servos analog or a pulse width controlled signal?
>
>
>
>Jay Marshall
>
>
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-->There are only two types of aircraft -- fighters and targets.

Phil Spelt, Webmaster & Past President, Knox County Radio Control Society, Inc.
        URL: http://www.kcrctn.com
AMA--1294,  Scientific Leader Member, SPA--177
       My URL: http://mywebpages.comcast.net/~chuenkan/
       (865) 435-1476 v  (865) 604-0541 c  
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