Boost converter control using Smith Predictor technique to minimize the effect of Right Half Plane zero

Bag, Santu; Roy, Tanushree; Mukhopadhyay, Siddhartha; Samanta, Susovon; Sheehan, Robert

doi:10.1109/cca.2013.6662879

Cited by 10 publications

(11 citation statements)

References 5 publications

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“…Moreover, in most of the processes using boost converter, it is possible to effectively use theorems proved in this paper to obtain (i) gains of PID controllers and (ii) parameters λ , ζ , based on circuit parameters for, better response than the basic heuristically tuned PID without set point filter. One of the interpretation of 2‐DOF‐1‐TP is that it not only provides an additional tuning parameter in the controller, it also enhances the bandwidth of the close loop system, see Figure 7 1–17 …”

Section: Conclusion and Discussionmentioning

confidence: 99%

“…Moreover, a careful examination of Figure 1a establishes a clear trade‐off between switching frequency and parasitic elements, namely, equivalent resistance ( R eq ) and boost inductor ( L ). Possible ramifications of position of RHP zero and guaranteed CCM operation of pulse width modulated (PWM) boost converter are very nicely described in previous works 2–7 …”

Section: Introductionmentioning

confidence: 89%

“…The second is a negative outer feedback loop from output v 0 ( s ) of the converter to the filtered reference. Apart from other advantages, the present control structure given in Figure 2, in contrast to control scheme of previous works, 2,3 gives an explicit and simple criterion in Theorem 2.3 for guaranteed robustness.…”

Section: Introductionmentioning

confidence: 99%

“…Possible ramifications of position of RHP zero and guaranteed CCM operation of pulse width modulated (PWM) boost converter are very nicely described in previous works. [2][3][4][5][6][7] So far, we have only discussed Phenomenological aspects of RHP zero. In what follows, we present mathematical treatment of various aspects of RHP zero.…”

mentioning

confidence: 99%

“…From systems and control theoretic perspective, the linearized dynamics of boost converter is modeled using techniques of small signal. When modeled using small signal approach, likewise in previous works, 2,3,6 the boost converter is typically treated as double pole double zero system (2):…”

mentioning

confidence: 99%

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Analytical tuning of 2‐DOF smith predictor control scheme for DC‐DC boost converter: A process control perspective

Shruti¹,

Praveen

Vipin

et al. 2021

Circuit Theory & Apps

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Stringent voltage regulation in a DC‐DC boost converter is a classical engineering problems in theory of power conversion. Voltage Mode Control (VMC) of boost converter is difficult for two principal reasons. First and foremost, of these two reasons, is the converter's non‐minimum phase (NMP) behavior that arises due to the presence of the dynamic right half plane zero (RHPZ) in control to output (c2o) transfer function in VMC. Second reason is the presence of parametric uncertainties* in converter during its continuous conduction mode (CCM) operation. This paper combines theory of smith predictor with boost converter for (i) analytically computing gains of PID controller, (ii) design of a low pass filter to deal with challenges posed by dynamic RHPZ. This two degrees of freedom (2‐DOF) control scheme is analytically derived as a function of the converter's parameters. Gains of PID controller, deduced in terms of circuit's parameter, are used in sequel for extensive simulation analysis of the converter's control loop. Results in this paper establish that the proposed 2‐DOF‐SP outperforms certain well known control schemes used in regulating output voltage and disturbance attenuation in boost converter.

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Section: Conclusion and Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 89%