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Hamiltonian Point of View on Parallel Interconnection of Buck Converters Extended version
[article]
2019
arXiv
pre-print
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In this paper, parallel interconnection of DC/DC converters is considered. ...
For this topology of converters feeding a common load, it has been recently shown that dynamics related to voltage regulation can be completely separated from the current distribution without considering ...
In Section II, Hamiltonian model of the parallel converters is given E 1 d 1d 1 L 1 i 1 E m d md m L m i m C R v i T
DC BUS Buck converter 1 Buck converter m Fig. 1 : Electrical schematic of m Buck ...
arXiv:1912.07703v1
fatcat:y57nqi47drewtpygqyglauigum
Tuning of Passivity-Preserving Controllers for Switched-Mode Power Converters
2004
IEEE Transactions on Automatic Control
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The theory is exemplified using the elementary single-switch buck and boost converters. ...
The method is based on the study of a certain "mixed-potential function" which results in quantitative restrictions on the control parameters. ...
Boost Converter Similar to the buck converter case, the regulation scheme based on parallel damping injection for the boost converter can be summarized as follows. ...
doi:10.1109/tac.2004.832236
fatcat:mwmlty57sjhz7l2lzxt34uucb4
A power-based perspective in modeling and control of switched power converters [Past and Present]
2007
IEEE Industrial Electronics Magazine
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A power-based perspective in modeling and control of switched power converters [Past and Present] Jeltsema, D.; Scherpen, Jacquelien M.A. ...
FIGURE 2 - 2 Closed-loop interpretation of a (a) series and (b) parallel damping PBC buck converter.
Michael W. ...
Figure 2 illustrates a circuit-theoretic interpretation of the buck converter in closed-loop with, respectively, a series and a parallel damping P 0 (i, u) = iu − P 1 (i, u) = P 0 (i, u) − iE s u 2 ...
doi:10.1109/mie.2007.357170
fatcat:4tqe4uw3nneltmycqtu4cm6wma
Lagrangian modeling of switching electrical networks
2003
Systems & control letters (Print)
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has shown to be useful for the control of power converters within the class of switching electrical networks. ...
Apart from the physical insight that can be obtained in this way, the framework has proven to be useful for the application of passivity-based control techniques, which on a case by case basis already ...
So far, the physical EL and Hamiltonian models were given for a limited set of single switch converter structures, based on case by case studies of the Boost, Buck and Buck-Boost converters in [9, 14] ...
doi:10.1016/s0167-6911(02)00290-6
fatcat:wjrnepjvvrfobkfzwcomffbkcy
SHIL and DHIL Simulations of Nonlinear Control Methods Applied for Power Converters Using Embedded Systems
2018
Electronics
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The methodology can be applied to buck, boost, buck-boost, flyback, SEPIC and 3-phase AC-DC boost converters showing that the new and high performance embedded systems can evaluate distinct nonlinear controllers ...
are interested in learning and validating converters performance. ...
Since one of the main objectives of this work is the comparison of control methods, Table 6
shows, from an implementation point of view, the advantages and disadvantages of each method. ...
doi:10.3390/electronics7100241
fatcat:nmsiiberszfmdlm3m27crc5jtu
Tuning rules for passivity-preserving controllers
2002
Proceedings of the 2002 American Control Conference (IEEE Cat. No.CH37301)
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Both criteria are compared and tested using the elementary single-switch boost converter. ...
However, a key question that arises during the implementation of the controller is how to tune the various parameters. ...
Application of PBC to for qxample the boost, buck-boost [9] and the (coupled-inductor) Cuk [8] converters leads to an indirect regulation scheme of the output voltage through regulation of the input ...
doi:10.1109/acc.2002.1024469
fatcat:wmzzs7jbzbfuvgpjkidwcc5mfe
Distributed Control and Optimization of DC Microgrids: A Port-Hamiltonian Approach
[article]
2021
arXiv
pre-print
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We propose a control scheme that is based on the Control by Interconnection design philosophy, where the consensus-based controller is viewed as a virtual pH system to be interconnected with the physical ...
Equilibrium analysis is also conducted based on the concepts of graph theory and economic dispatch. ...
It should be pointed out that, therein, the detailed switching model of the Buck and Boost converters with switching frequency of 5kHz are employed. ...
arXiv:2108.12341v1
fatcat:mouoj63urja2vj44vv2c6sxysi
A Scalable Port-Hamiltonian Approach to Plug-and-Play Voltage Stabilization in DC Microgrids
[article]
2020
arXiv
pre-print
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One of the major challenges of voltage stabilization in converter-based DC microgrids are the multiple interacting units displaying intermittent supply behavior. ...
In contrast to existing approaches, we follow a systematic and constructive design based on port-Hamiltonian systems (PHSs) which does neither require the heuristic proposition of a Lyapunov function nor ...
and damping matrices J i = 0 −1 1 0 , R i (x i ) = R ti 0 0 I Li (Vi) Vi . (6e) Note that from a modeling point of view, I Ni is an unknown disturbance. ...
arXiv:2002.05050v1
fatcat:wgr2cothz5ftzghh3rf5obdq6y
An interconnection-damping-assignment passivity-based controller for a DC-DC boost converter with a constant power load
2012
2012 IEEE Industry Applications Society Annual Meeting
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Index Terms-Constant power load (CPL), dc-dc boost converter, interconnection and damping assignment (IDA), passivitybased controller (PBC), port-controlled Hamiltonian system (PCHS). ...
This paper proposes an adaptive interconnection and damping assignment (IDA) passivity-based controller (PBC) with a complementary proportional integral (PI) controller for dc-dc boost converters with ...
IDA-PBC From the energy point of view, the Hamiltonian function of the dc-dc boost converter with a CPL represents the total energy stored in the dynamic system and can be written as H(x) = 1 2L x 2 1 ...
doi:10.1109/ias.2012.6374043
dblp:conf/iasam/ZengZQ12
fatcat:5nmm5xgqpvhn5ntwu7ykiufloe
Passivity-Based Control of Water Pumping System Using BLDC Motor Drive Fed by Solar PV Array with Battery Storage System
2021
Energies
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Despite the simplicity of CIFs' implementation, due to the introduced interconnection and damping coefficients, such control allows the provision of the required voltage regulation with a static error ...
The EMS is constructed in such a way that for all modes, only two PBC systems are developed, which are switched depending on the battery's state of charge and the current levels of the two main disturbances—solar ...
The
PBC system is based on physical laws of energy transmission and conversion, so it is under-
standable from a physical point of view. ...
doi:10.3390/en14238184
fatcat:xy6fe2dnnjhgnbl6drrnantfoe
Energy Shaping Control for Wireless Power Transfer System in Automatic Guided Vehicles
2020
Energies
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The system power transfer model is derived based on the idea of voltage transformation and the desired power can be implemented indirectly through regulating desired output voltage of DC/DC converter. ...
This paper proposes an energy shaping controller of a DC/DC converter for automatic guided vehicles (AGVs) wireless power transfer (WPT). ...
Funding: This work was supported by the National Natural Science Foundation of China under contract 61673306.
Conflicts of Interest: The authors declare no conflict of interest. ...
doi:10.3390/en13112959
fatcat:akagoaekkzad7lk6tzcdjfqo5m
PID passivity‐based droop control of power converters: Large‐signal stability, robustness and performance
2021
International Journal of Robust and Nonlinear Control
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point for any positive gains. ...
The obtained results are thoroughly discussed and validated by simulations on two relevant power applications: a DC/DC boost converter and an HVDC grid-connected voltage source converter. ...
Although the choice of not including converters with switching sources-such as the buck and buck-boost converters-may seem arbitrary, it relies on two fundamental observations. ...
doi:10.1002/rnc.5917
fatcat:cp7jbcxxfzcgdi7tjylchyecwy
PID passivity-based droop control of power converters: Large-signal stability, robustness and performance
[article]
2021
arXiv
pre-print
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Other Versions
The obtained results are thoroughly discussed and validated by simulations on two relevant power applications: a dc/dc boost converter and an HVDC grid-connected voltage source converter. ...
operating point for any positive gains. ...
Although the choice of not including converters with switching sources-such as the buck and buck-boost converters-may seem arbitrary, it relies on two fundamental observations. ...
arXiv:2101.05047v2
fatcat:5sad5lsibrf65k5fihqscmg7oq
Hardware-in-the-Loop and Digital Control Techniques Applied to Single-Phase PFC Converters
2021
Electronics
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This work reviews state-of-the-art HIL techniques and digital control techniques for single-phase PFC converters. ...
However, the performance-vs-cost trade-off associated with HIL techniques depends on the mathematical models used for replicating the power converter, the load and the electrical grid, as well as the hardware ...
The Hamiltonian modeling encompasses the Lagrangian and represents the systems as interconnection ports, where the product of the port variables is the power, that is the rate of change of energy [57] ...
doi:10.3390/electronics10131563
fatcat:abzzjusimvevxoqhbbyiw6dz2y
Control of Non-minimum Phase Power Converters
[article]
2013
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The existing controllers make use of one-to-one correspondence between the voltage and current equilibriums of the non-minimum phase converters and exploit the property that when the average output of ...
For the converter modeled as a linear system, the non-minimum phase part of the system is decoupled and its transfer function is converted to minimum phase using a parallel compensator. ...
Izadian took time to teach us a short course every week on Nonlinear Controls which quickened my learning curve. The weekly meetings ...
doi:10.7912/c2/2515
fatcat:3o5tmzkoabdthczmbuxfomploy
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