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From: | dastew |
Subject: | RE: Converting transfer function from s-domain to z-domain |
Date: | Mon, 8 Mar 2010 11:43:12 +0000 |
> Date: Sun, 7 Mar 2010 20:11:54 -0800 > From: address@hidden > Subject: Converting transfer function from s-domain to z-domain > To: address@hidden > > By any chance is there a function to convert a transfer function from s-domain to z-domain? > > For example, assume I have spring-mass-damper second order system transfer function in the s-domain: > http://wikis.controltheorypro.com/index.php?title=Second_Order_Systems > > Is there a function in Octave or one of its packages that would allow me to automatically convert that over to the z-domain? > > Thanks again for any insights and feedback. > > > > _ Yes there is. ---> c2d But there are many different ways to move from Laplace space to Z space. Each method will give a different result. If you wont step invariant results use the ZOH , if you want the same cut-off frequency use the prewarped technique, etc. Doug Stewart |
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