A Phase Plane Realization of a Class of Nonlinear Liquid Level Control Systems

  • EJ Ogbebor
  • EC Obinabo


A realization of the state model of a liquid level control system is presented for establishing the structure of a class of nonlinear systems with feedback loops which can be employed for liquid level control in petroleum storage tanks. The results presented here are intended for application, among others, in determining optimum operating conditions of storage tanks of various types used in industry, and will thus open up a new and challenging area of study especially in selection and tuning of universal controllers for achieving the desired results. typical examples were considered to indicate the corresponding application

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eISSN: 1116-4336