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Estimation of quantisation and sampling errors in computer-control systems

Estimation of quantisation and sampling errors in computer-control systems

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© The Institution of Electrical Engineers
Published

A Gaussian integration routine has been used to estimate the errors due to quantisation and sampling in a digital-control loop. The individual error spectra are made available for inspection, and the treatment can be extended to systems of large order. An example is given of the application of the method.

Inspec keywords: digital control; error analysis; integration; sampled data systems

Subjects: Discrete control systems; Analogue and digital computers and systems

References

    1. 1)
      • M. Mori . Statistical treatment of sampled-data control systems for actual random inputs. Trans. ASME
    2. 2)
      • B. Widrow . Statistical analysis of amplitude quantised sampled data systems. Trans. Amer. Inst. Elect. Engrs. , 555 - 568
    3. 3)
      • E.I. Jury . Correspondence on statistical design. IRE Trans.
    4. 4)
      • J. Katzenelson . On errors introduced by combined sampling and quantisation. IRE Trans.
    5. 5)
      • J.T. Tou . Statistical design of digital control systems. IRE Trans. , 290 - 297
    6. 6)
      • S.S. Kuo . (1965) , Numerical methods and computers.
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