Fractional Hold Circuits for the Design of Positive
The appropriate use of fractional order holds ( b-FROH) of correcting gains b2 [-1,1] as an alternative to the classical zero and first order -holds (respectively, ZOH, FOH) is discussed related to the positive realness of the associate discrete transfer functions obtained from a given continuous tr...
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| Format: | article |
| Jezik: | eng |
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2007
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| Online dostop: | http://bibdigital.epn.edu.ec/handle/15000/9301 |
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Označite | Izvleček: | The appropriate use of fractional order holds ( b-FROH) of correcting gains b2 [-1,1] as an alternative to the classical zero and first order -holds (respectively, ZOH, FOH) is discussed related to the positive realness of the associate discrete transfer functions obtained from a given continuous transfer function. It is proved that the minimum direct input-output gain (i.e. the quotient of the leading coefficients of the numerator and denominator of the transfer function) needed for discrete positive realness may be reduced by the choice of b compared to that required for discretization via a ZOH. |
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