Now showing items 1-8 of 8

    • Achievable input performance of linear systems under feedback control 

      Kariwala, Vinay; Skogestad, Sigurd; Forbes, J. Fraser; Meadows, Edward S. (2005)
      In this paper, we characterize the achievable input performance for linear time invariant systems under feedback control. We provide analytical expressions for minimal input requirement for ...
    • Closed loop properties and block relative gain 

      Kariwala, Vinay; Forbes, J. Fraser; Meadows, Edward S. (2003)
      Block Relative Gain (BRG) is a useful method for screening alternatives for block decentralized control at the design stage. In this paper, we establish the connection between BRG and closed ...
    • Control of catalytic flow reversal reactor 

      Kariwala, Vinay; Forbes, J. Fraser (2006)
      This paper deals with control of catalytic flow reversal reactors (CFRR) used for oxidation of greenhouse gases like methane. This system differs from conventional reactors as it is a discrete-event or hybrid system with ...
    • Input performance limitations of feedback control 

      Kariwala, Vinay; Skogestad, Sigurd; Forbes, J. Fraser; Meadows, Edward S. (2004)
      This paper deals with input performance limitations of feedback control. The achievable input performance depends on the joint controllability and observability of unstable poles and is exactly quantified for single input ...
    • Integrity of systems under decentralized integral control 

      Kariwala, Vinay; Forbes, J. Fraser; Meadows, Edward S. (2005)
      A decentralized controller that maintains closed loop stability, when the individual controllers fail or are taken out of service, provides fault tolerance and flexibility in operation. Recently, necessary ...
    • Minimum variance benchmark for decentralized controllers 

      Kariwala, Vinay; Forbes, J. Fraser; Meadows, Edward S. (2009)
      This paper deals with performance assessment of decentralized controllers using a minimum variance (MV) benchmark. The available MV benchmarks do not take the structure of the controller into account and can give ...
    • μ-interaction measure for unstable systems 

      Kariwala, Vinay; Forbes, J. Fraser; Skogestad, Sigurd (2006)
      The requirement that the system and its block diagonal elements have the same unstable poles limits the applicability of μ interaction measure (μ-IM) to stable systems. We propose an extension of the conventional ...
    • μ-interaction measure for unstable systems 

      Kariwala, Vinay; Forbes, J. Fraser; Skogestad, Sigurd (2007)
      In this paper, we present a method for system stabilization through independent designs of the decentralized controller. The proposed method extends the practical applicability of the conventional μ interaction measure ...