Application of multivariable control theory to hydraulic models

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Application of multivariable control theory to hydraulic models

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© The Institution of Electrical Engineers
Published

Civil engineers have used scale models of rivers and estuaries for many years. The control of models with two interacting tide generators is particularly difficult, and has previously been implemented on a purely intuitive basis. This paper describes work carried out to identify accurately and control a model of the River Mersey. Multivariable theory was used to design the precompensating controller, which in use resulted in considerable improvements to the model performance.

Inspec keywords: rivers and lakes; controllers; multivariable control systems

Other keywords: hydraulic models; precompensating controller; multivariable control theory; two interacting tide generators; River Mersey

Subjects: Control applications in building and civil engineering; Construction industry; Hydrology and glaciology; Multivariable control systems

References

    1. 1)
      • H.H. Rosenbrock . Progress in the design of multivariable control systems. Meas. & Control , 9 - 12
    2. 2)
      • H.R.A. Dedow . The control of hydraulic models. Engineer , 259 - 263
    3. 3)
      • A.G.J. MacFarlane . Multivariable-control-system design techniques: a guided tour. Proc. IEE , 5 , 1039 - 1047
    4. 4)
      • Ashton, F.S.: `Control aspects of a hydraulic model', 1971, M.Sc. dissertation, UMIST.
    5. 5)
      • Ball, D.J., Stebbings, J.: `The Mersey estuary at Tranmere', Simon Engineering Laboratories Reports, December 1970, and Feb. 1972.
    6. 6)
      • J.C. Ziegler , N.B. Nicholls . Optimum settings for automatic controllers. Trans. ASME , 759 - 767
    7. 7)
      • H.H. Rosenbrock . Design of multivariable control systems using the inverse Nyquist array. Proc. IEE , 11 , 1929 - 1936
    8. 8)
      • Whitehead, P.G.: `Control of tidal estuary models', 1972, M.Sc. dissertation, UMIST.
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