Results 171 to 180 of about 829 (203)
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Design and implementation of sigma-delta DPWM controller for switching converter
2009 IEEE International Symposium on Circuits and Systems, 2009This paper describes the complete design and implementation of a low-power sigma-delta DPWM (Σ-Δ DPWM) controller for switching converter which can operate at a very high frequency. In the previous design approach, the effective resolution of Σ-Δ DPWM, i.e.
Pui-Kei Leong +3 more
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DPWM-S3 software control for three-phase inverters
2009 International Symposium on Signals, Circuits and Systems, 2009In this paper we describe a DPWM-S3 software control method implemented on a microcontroller. This technique was tested by simulations and in practice on a three-phase inverter with an AC motor (0.37KW) as output load.
Cristian Aghion +2 more
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High-resolution DPWM generator for digitally controlled DC-DC converters
APCCAS 2008 - 2008 IEEE Asia Pacific Conference on Circuits and Systems, 2008This paper describes a new architecture for high-resolution digital PWM (DPWM) generator used in digitally-controlled DC-DC converters, PWM time resolution is determined by the difference between two (or more) gate delays, while that of conventional DPWM circuits is determined by gate delay itself.
Ibuki Mori +8 more
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FPGA implementation of KNN Algorithm-Based Prediction for DPWM Methods
Tuijin Jishu/Journal of Propulsion Technology, 2023This paper presents the prediction of the DPWM methods using the FPGA device. For the sake of prediction, the parameters such as Clocking frequency, switching frequency, positive duty cycle value, and negative duty cycle value are considered by taking 23 samples of the real-time results obtained for the DPWM techniques.
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A Low-Dropout Regulator With Tail Current Control for DPWM Clock Correction
IEEE Transactions on Circuits and Systems II: Express Briefs, 2012A low-dropout (LDO) regulator with tail current control (TCC) is presented. The TCC consists of a dual differential pair, a 5-bit current digital-to-analog converter, and a current summation circuit. The TCC adjusts the tail current ratio of the dual differential pair of the LDO regulator to achieve a programmable output voltage using 5-bit digital ...
Jia-Hui Wang +2 more
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CMOS bridge rectifier boost converter with internal ASIC DPWM
2016 IEEE Asia-Pacific Conference on Applied Electromagnetics (APACE), 2016This paper presents the Application Specific Integrated Circuit (ASIC) design of a Digital Pulse Width Modulation (DPWM) signal generator, for the implementation of PWM control signal generator, to be integrated on a single die with the single-stage input-powered bridge rectifier with boost switch (BRBS) DC boost converter, in view to eliminate the ...
Mohd Asyraf Rongi +4 more
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L-filter Design of Vienna Rectifier with DPWM Method
The transactions of The Korean Institute of Electrical Engineers, 2022Su-hyeon Kim +2 more
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Resolution extension of counter-based DPWM using self-triggered method
2015 IEEE International Conference on Consumer Electronics - Taiwan, 2015The DPWM device is an important component in many industrial applications, such as motors, robots, DC/DC converters, and so on. However, the counter-based DPWM intends to extend its resolution, and thus the higher clock frequency is required. In this paper, by a cyclic self-trigger of monostable multivibrator, the proposed DPWM device can extend its ...
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Sampling-Induced Border Collision Bifurcation in a Voltage-Mode DPWM Synchronous Buck Converter
IEEE Transactions on Circuits and Systems II: Express Briefs, 2019The output voltage of a voltage-mode digitally pulse-width-modulated (DPWM) dc–dc converter is sampled once per switching cycle, and past studies show the existence of limit cycle oscillations due to quantization. This brief reports that the map of a continuous conduction mode (CCM) buck converter under DPWM is shown to be discontinuous and exhibits ...
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A Hybrid Carrier-Based DPWM With Controllable NP Voltage for Three-Phase Vienna Rectifiers
IEEE Transactions on Transportation Electrification, 2022Yuhang Zou, Li Zhang, Yan Xing
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