词条 | Minimal realization |
释义 |
In control theory, given any transfer function, any state-space model that is both controllable and observable and has the same input-output behaviour as the transfer function is said to be a minimal realization of the transfer function.[1][2] The realization is called "minimal" because it describes the system with the minimum number of states.[2] The minimum number of state variables required to describe a system equals the order of the differential equation;[3] more state variables than the minimum can be defined. For example, a second order system can be defined by two(minimal realization) or more state variables. References1. ^{{citation|title=Linear State-Space Control Systems|first1=Robert L., II|last1=Williams|first2=Douglas A.|last2=Lawrence|publisher=John Wiley & Sons|year=2007|isbn=9780471735557|page=185|url=https://books.google.com/books?id=UPWAmAXQu1AC&pg=PA185}}. {{math-stub}}2. ^1 {{citation|title=Principles of System Identification: Theory and Practice|first=Arun K.|last=Tangirala|publisher=CRC Press|year=2015|isbn=9781439896020|page=96|url=https://books.google.com/books?id=aUHOBQAAQBAJ&pg=PA96}}. 3. ^{{harvtxt|Tangirala|2015}}, p. 91. 1 : Control theory |
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