Predictive digital interpolation current control for DC–DC power converters

Carrejo, Carlos; Vidal-Idiarte, Enric; Giral, Roberto; Martínez-Salamero, L.

doi:10.1049/iet-pel.2008.0250

Cited by 37 publications

(34 citation statements)

References 12 publications

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“…After that, it can be concluded that the control laws are relatively immune to parameter tolerances and it is reasonable to use the constant slopes m 1 and m 2 in the digital control laws. On the other way, the slopes m 1 and m 2 can also be predicted by means of two samples of inductor current and by applying the equation of a straight line [42].…”

Section: B Review and Unification Of Idpr Control Lawsmentioning

confidence: 99%

Constant-Frequency Peak-Ripple-Based Control of Buck Converter in CCM: Review, Unification, and Duality

Zhou

Wang

2014

IEEE Trans. Ind. Electron.

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The operation principles of peak current control, V 2 control, and enhanced-V 2 control of buck converter in continuous conduction mode are reviewed and compared. By the use of weight factors of inductor current and output voltage, they are unified as constant-frequency peak-ripple-based (CF-PR) analog control. It is revealed that conventional peak current control and V 2 control are two boundaries of the unified CF-PR control. The duality items between CF-PR control and constant-frequency valley-ripple-based (CF-VR) control are proposed. As the duality of CF-PR analog control, CF-VR analog control is investigated. Unified CF-PR and CF-VR digital control laws with different modulations and their stabilities are investigated in terms of the duality. Experimental results verify the theory analysis.Index Terms-Current-mode control, digital control, enhanced-V 2 control, pulsewidth modulation (PWM), ripplebased control, switching converter, V 2 control, V 2 C control. (S'10-M'12) received the B.S. degree in electronic and information engineering and the M.S. and Ph.D. degrees in electrical engineering from Southwest Jiaotong University, He is currently an Associate Professor with the School of Electrical Engineering, Southwest Jiaotong University. His current research interests include modulation and control techniques of power electronics systems, dynamical modeling and analysis of switching power converters, and renewable energy applications of power electronics.Jianping Xu (M'10) received the B.S. and Ph.D. degrees in electronic engineering from He is with the School of Electrical Engineering, Southwest Jiaotong University. His research interests include control techniques and modulation methods of switching-mode power supplies and modeling and simulation of switching dc-dc converters.

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Section: B Review and Unification Of Idpr Control Lawsmentioning

confidence: 99%

Constant-Frequency Peak-Ripple-Based Control of Buck Converter in CCM: Review, Unification, and Duality

Zhou

Wang

2014

IEEE Trans. Ind. Electron.

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“…Considering the results in [10], the total prediction error in the control loop, e I , is defined by combination of quantization error of sampled value of I L (t), q, plus maximum prediction error, …”

Section: Prediction Error In the Current Control Loopmentioning

confidence: 99%

“…With the rapid development of digital circuits, the digital control systems will gradually replace the currently used analogue controllers in high frequency switching converters. Among many digital control methods, the classic current mode control and its digital implementation is the matter of many research interests [4][5][6][7][8][9][10][11]. Microprocessors were unable to compute the necessary calculations for the control algorithm fast enough within the switching period.…”

Section: Introductionmentioning

confidence: 99%

“…Microprocessors were unable to compute the necessary calculations for the control algorithm fast enough within the switching period. Later, advances in digital technology prompted some research groups to use FieldProgrammable Gate Arrays (FPGA's) [4], programmable IC's [5] and Digital Signal Processors (DSP's), [6][7][8][9][10][11]. In the current mode, the switch or the inductor current is sensed within an inner loop and replaces the conventional current controller and saw-tooth waveform for the Pulse Width Modulator (PWM) generating function (Figs.…”

Section: Introductionmentioning

confidence: 99%

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Digital current mode and voltage control for the dc-dc step-up converter based on the FPGA technology

Truntič

Milanovič

Vidal-Idiarte

et al. 2010

Proceedings of 14th International Power Electronics and Motion Control Conference EPE-PEMC 2010

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This paper introduces a digitally performed voltage and current control mode for dc-dc step up converter based on FPGA technology. The voltage and current measurement was realized by using A/D converters as peripheral units of the FPGA system. Special attention was performed with current measurement and its A/D conversion due to the used predictive current mode algorithm which enables the fully digitalization of the whole control processes.

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“…High performance and advanced digital controls are becoming more and more reliable and implementable, due to the increase of the calculation speed and the processing capability of digital devices. Digital controllers present some advantages from analog ones, such as flexibility, low sensitivity from the process and variability of the parameters, the capability to implement complex controls and the possibility to embed them into other digital systems [6][7][8][9][10][11]. Power factor correction is not an exception to this tendency and many digital controls have been implemented using DSPs and FPGA in order to improve their performance, up to the point of avoiding the sampling of some converter variables [12][13][14][15][16][17].…”

Section: Introductionmentioning

confidence: 99%

Digital Loss-Free Resistor for power factor correction applications

Marcos-Pastor

Vidal-Idiarte

Cid-Pastor

et al. 2013

IECON 2013 - 39th Annual Conference of the IEEE Industrial Electronics Society

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The synthesis of a Digital Loss-Free Resistor (DLFR) based on a boost converter in Pulse-Width-Modulation (PWM) operation is presented. The proposed control law is obtained by applying discrete-time sliding mode control theory on the discrete-time model of the boost converter to control the input current. The control law calculates the duration of the switch on-time at the beginning of each switching period in order to reach the proposed discrete-time sliding surface. The resulting digital Loss-Free Resistor (DLFR) can be used as a preregulator for power factor correction in one-phase circuits. Simulations are in good agreement with theoretical predictions.

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Predictive digital interpolation current control for DC–DC power converters

Cited by 37 publications

References 12 publications

Constant-Frequency Peak-Ripple-Based Control of Buck Converter in CCM: Review, Unification, and Duality

Constant-Frequency Peak-Ripple-Based Control of Buck Converter in CCM: Review, Unification, and Duality

Digital current mode and voltage control for the dc-dc step-up converter based on the FPGA technology

Digital Loss-Free Resistor for power factor correction applications

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