Negative Impedance Stabilizing Pulse Adjustment Control Technique for DC/DC Converters Operating in Discontinuous Conduction Mode and Driving Constant Power Loads

A Novel Scheme for Sliding-Mode Control of DC-DC Converters with a Constant Frequency Based on the Averaging Model

“…The idea presented in this paper is rooted in the Pulse Adjustment Control Technique for DC-DC converters operating in DCM proposed in [14]. This technique achieves output voltage regulation based on generating high and low power pulses, rather than employing the PWM control technique.…”

“…When the output voltage is lower than the desired voltage level, the controller chooses d H as the switching duty ratio until the desired voltage level is reached. On the other hand, if the voltage is higher than the desired voltage level, the controller chooses d L as the duty ratio to reduce the level of the output voltage to its reference value [14].…”

Mitigation of Negative Impedance Instabilities in a DC/DC Buck-Boost Converter with Composite Load

“…Advancements in the power electronics technology have been a key factor in the development of modern-day power systems, including renewable source-based microgrids, vehicular power systems, and data center power systems [1], [2]. Given the intensive use of power electronic converters, these systems are usually referred to as multiconverter power distribution systems or DC-distributed power systems [3].…”

“…Poor noise immunity attributed to the use of a differentiator is a major drawback of the loop cancellation technique. The pulse adjustment technique, in which the regulation of converter output voltage is achieved by transmitting high and low power pulses rather than PWM, is proposed in [1], [4] to stabilize a buck-boost converter loaded with a combination of CPL and resistive load. A modified version of the pulse adjustment technique to handle variation in the input supply using variable high-power pulses is presented in [10], considering a buck-boost converter loaded by CPL.…”

Multiple Sets of Pulse Adjustment Control Technique Based on Input Voltage Feed-forward Compensation for DC-DC Converters

“…Compared with the conventional PWM, PA control technique has more excellent transient performance and stability, but the PA controlled converter by a combination of two different control pulses has the 5th International Conference on Environment, Materials, Chemistry and Power Electronics (EMCPE 2016) drawback of relatively narrow range of input voltage which limits its application in photovoltaic field [8][9][10][11][12] . Then some modified pulse adjusting control technique mainly focus on the features of optimizing the output characteristic of the controlled converter which also does not apply to the occasions required wide range input voltage [13][14][15] .…”