Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

State Space representation

Tags:
  1. Jun 20, 2017 #1
    Hello everyone.

    Iam just Learning about State space representation and controller design and have a fundamental question about the difference between classical Control theory and modern Control theory.

    I understood the state space is of advantage when dealing with MIMO systems or non-linear systems, but:

    What exactly is state space design? Does it replace i.ex. a classical PID controller?

    Thanks in advance,

    kind regards,

    Michael
     
  2. jcsd
  3. Jun 20, 2017 #2

    FactChecker

    User Avatar
    Science Advisor
    Gold Member

    Complicated systems are often a mixture of approaches. There are usually several outputs that need to be controlled and they are interrelated. The central controller of a MIMO system can not be analysed as a simple PID controller. The physics of the system may include relationships between states that are hard to represent without a state space model. That forces you to include a central MIMO state space model. But the individual inputs and outputs of that model may be simpler. That leads you to surrounding your MIMO state space model with several classical Laplace transforms which pre-process the individual inputs and post-process the outputs.
     
Know someone interested in this topic? Share this thread via Reddit, Google+, Twitter, or Facebook

Have something to add?
Draft saved Draft deleted



Similar Discussions: State Space representation
  1. State space (Replies: 3)

Loading...