[PDF] Top 20 Modeling and digital control of a synchronous buck converter for variable frequency operation

... two control objectives are considered during controlling of DC-DC converters, they are performance and ...inherently variable control structures. A sliding mode control (SMC) technique is the ... See full document

... automatic control system. The block diagram of the automatic control system is ...automatic control system and the concept of "stability system" are ...a buck converter ... See full document

... switching operation of power electronic devices. Here a dual buck configuration with full bridge inverter is used for the MLI ...dual-buck converter is dc capacitor voltage ...dual-buck ... See full document

... dual-buck converter and single phase H-bride ...dual-buck converter supplies to the full-bridge ...low frequency synchronous with the utility voltage to convert the output ... See full document

... hybrid digital pulse width modulator (DPWM) is ...a digital delay locked loop around a delay-line with discretely programmable delay cells to achieve constant-frequency clocked operation over ... See full document

... Current trends in consumer electronics demand progressively lower supply voltages due to the unprecedented growth and use of wireless appliances. Portable devices, such as laptop computers and personal communication ... See full document

... Recent years, the development of Smart Grid needs smarter transformers to make the grids more controllable and more efficient. It is likely that future power generation and distribution will involve a lot of distributed ... See full document

... speed operation of wind turbine is usually used to provide energy with better ...advantages. Variable speed operation, active and reactive power independent control and lower converter ... See full document

... data modeling of a switching regulator and the practical implementation of a digital compensator on an 8 bit ...a digital control loop are described and their transfer functions are ...in ... See full document

... switching frequency. Pulse width modulation (PWM)[5], Pulse frequency modulation (PFM) control [6] [7], [8] and double-mode control with pulse width modulation (PWM) and pulse frequency ... See full document

... a variable input voltage ...positive Buck Boost converter with intermediate digital combination mode control is used to replace the conventional methods of constant voltage regulating ... See full document

... controlled converter has lower conversion efficiency than the PFM-controlled converter in light loads, whereas in heavy load condition, the PWM-controlled converter has got better conversion ... See full document

... this control approach includes fast response and robust with simple design and ...controlled converter suffers from two major drawbacks: variable switching frequency and non zero steady-state ... See full document

... the control technique and its need for extra support circuits which made it very ...of digital signal processors and microcontrollers with strong performance graphs, use of digital architecture for ... See full document

... droop control is emulated by the battery as a virtual speed ...the control loop which defines a time constant of the capacitor to respond during the transient ...CSD-scheme control for the voltage ... See full document

... The control and driver circuits synchronize the timing of both MOSFETs with the switching ...The synchronous PWM control block regulates the output voltage by modulating the conduction intervals of ... See full document

... overall converter losses with different inductor values and ...ZVRT converter with 36 nH ferrite core inductor has significantly lower switching loss than that of the conventional converter with 150 ... See full document

... work it could be concluded that the proposed converters are proficient in not only collecting energy from the different sources with different characteristics (PV and Battery in present case), but it also offers higher ... See full document

... mode control is similar to that of peak current mode ...mode control is limited in this ...mode control is normally applied to the small power ...mode control applied to single-phase ... See full document

... predictive control approach is proposed based on the original continuous time hybrid model of ...predictive control (MPC) is introduced, based on a discrete time piecewise affine (PWA) modeling of ... See full document