Transient response control via characteristic ratio assignment

Kim, Young Chol; Keel, L.H.; Bhattacharyya, S.P.

doi:10.1109/acc.2002.1023257

Cited by 32 publications

(59 citation statements)

References 19 publications

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“…Where A 1 ,A 2 -Cross sectional area of tank1 and tank2 a 2 -Cross sectional area of output pipe in tank2 a 12 -Cross sectional areaof interaction pipe betweentank1 and tank2 h 1 , h 2 -Water level of tank1 and tank2 F in -Inflow (lph) F out -Outflow (lph) β 12 -Valve ratio of jointed pipe between tank1 and tank2 β 2 -Valve ratio at the outlet of tank2 k -Gain of the pump g -Gravity u -Input voltage…”

Section: Fig 1: Thecoupled Tank Sisoprocessmentioning

confidence: 99%

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Design of PI Controller using Characteristic Ratio Assignment Method for Coupled Tank SISO Process

Senthilkumar¹,

S.AbrahamLincon²,

Selvakumar³

2011

IJCA

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This paper presents the PI controller design for coupled tank as Single Input Single Output (SISO) process using Characteristic Ratio Assignment (CRA) method.CRA is an approach to directly control the transient response of linear time invariant control systems. The transient response for all pole transfer function of n th order system can be controlled by introducing a set of parameters(α i ) characteristic ratio, (i=1,2,…,n) and ( )generalized time constant.The CRA method which satisfies more specification and performance of control system. The coupled tank as SISO process is a challenge plant for testing the performance of PI controller. The fundamental model of coupled tank as SISO process is obtained and CRA based PI controller is designed. Using a CRA-PI controller the simulation results has been simulated by MATLAB and real time results also can be implemented for coupled tank as SISO process.

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Section: Fig 1: Thecoupled Tank Sisoprocessmentioning

confidence: 99%

“…In controller design [2], by CRA method, the adjustment of speed of response and the damping ratio can be achieved by the parameters time constant ( ) and characteristic ratio (α i ). Therefore, this technique is convenient and suitable for tuning controller under the requirement of the system.…”

Section: Introductionmentioning

confidence: 99%

Design of PI Controller using Characteristic Ratio Assignment Method for Coupled Tank SISO Process

Senthilkumar¹,

S.AbrahamLincon²,

Selvakumar³

2011

IJCA

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show abstract

“…DCRA is a model matching method in the sense that the controller is designed such that the resulting closed-loop transfer function matches the prescribed reference model. In [10]- [12], it was shown that a reference model satisfying the desired transient response can be generated easily by choosing two specific parameters, namely, the characteristic ratio and generalized time constant. DCRA is similar to the pole assignment method.…”

Section: Introductionmentioning

confidence: 99%

Modeling and a Simple Multiple Model Adaptive Control of PMSM Drive System

Kang¹,

Kim²,

Lee³

et al. 2017

Journal of Power Electronics

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This paper deals with the input-output modeling of a vector controlled PMSM drive system and design of a simple multiple model adaptive control (MMAC) scheme with desired transient responses. We present a discrete-time modeling technique using closed-loop identification that can experimentally identify the equivalent models in the d-q coordinates. A bank of linear models for the equivalent plant of the current loop is first obtained by identifying them at several operating points of the current to account for nonlinearity. Based on these models, we suggest a simple q-axis MMAC combined with a fixed d-axis controller. After the current controller is designed, another equivalent model including the current controller in the speed control loop shall be similarly obtained, and then a fixed speed controller is synthesized. The proposed approach is demonstrated by experiments. The experimental set up consists of a surface mounted PMSM (5 KW, 220V, 8 poles) equipped with a flywheel load of 220kg and a digital controller using DSP (TMS320F28335).

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“…This set can be used for the first step to enable the design of systems achieving multiple performance specifications by intersections of each set. In [11,12], the characteristic ratio assignment (CRA) method to deal with the fixed-order controller design problem under time response specifications was proposed. By combining the CRA with the results of Bhatacharyya et al in [10], a three parameter control design (TPCD) algorithm [13] has been developed.…”

Section: Introductionmentioning

confidence: 99%

Data Based Lower-Order Controller Design: Moment Matching Approach

Kim¹,

Jin²

2012

The Transactions of The Korean Institute of Electrical Engineer

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-This paper presents a data based low-order controller design algorithm for a linear time-invariant process with a time delay. The algorithm is composed by combining an identification step based on open loop pulse test with a low-order controller design step to obtain the entire set of controllers achieving multiple performance specifications. The initial information necessary for this algorithm are merely the width and amplitude of a rectangular pulse, a controller of four types (PI, PD, PID, first-order), and design objectives. Various parametric approaches that have been developed are merged in the controller design algorithm. The resulting controller set satisfying the design objectives are displayed on the 2D and 3D graphics and thus it is very easy for us to pick a controller inside the admissible set because we can check the corresponding closed-loop performances visually.

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Transient response control via characteristic ratio assignment

Cited by 32 publications

References 19 publications

Design of PI Controller using Characteristic Ratio Assignment Method for Coupled Tank SISO Process

Design of PI Controller using Characteristic Ratio Assignment Method for Coupled Tank SISO Process

Modeling and a Simple Multiple Model Adaptive Control of PMSM Drive System

Data Based Lower-Order Controller Design: Moment Matching Approach

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