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Author(s):  
Viji Karthikeyan ◽  
Anil Kumar Tiwari ◽  
Agalya Vedi ◽  
Buvana Devaraju

The major thrust of the paper is on designing a fuzzy logic approach has been combined with a well-known robust technique discrete sliding mode control (DSMC) to develop a new strategy for discrete sliding mode fuzzy control (DSMFC) in direct current (DC-DC) converter. Proposed scheme requires human expertise in the design of the rule base and is inherently stable. It also overcomes the limitation of DSMC, which requires bounds of uncertainty to be known for development of a DSMC control law. The scheme is also applicable to higher order systems unlike model following fuzzy control, where formation of rule base becomes difficult with rise in number of error and error derivative inputs. In this paper the linearization of input-output performance is carried out by the DSMFC algorithm for boost converter. The DSMFC strategy minimizes the chattering problem faced by the DSMC. The simulated performance of a discrete sliding mode fuzzy controller is studied and the results are investigated.


Mechatronics ◽  
2022 ◽  
Vol 82 ◽  
pp. 102717
Author(s):  
Yongchao Wang ◽  
Zengjie Zhang ◽  
Cong Li ◽  
Martin Buss

2022 ◽  
Vol 121 ◽  
pp. 105036
Author(s):  
Maria Badar ◽  
Iftikhar Ahmad ◽  
Aneeque Ahmed Mir ◽  
Shahzad Ahmed ◽  
Adeel Waqas

Author(s):  
Juan Pablo Villegas Ceballos ◽  
Carlos Andres Ramos-Paja ◽  
Elkin Edilberto Henao-Bravo

This paper proposes a battery charger solution based on the Zeta DC/DC converter to provide a general interface between batteries and microgrid direct current (DC) buses. This solution enables to interface batteries and DC buses with voltage conversion ratios lower, equal, and higher than one using the same components and without redesigning the control system, thus ensuring global stability. The converter controller is designed to require only the measurement of a single inductor current, instead of both inductors currents, without reducing the system flexibility and stability. The controller stability is demonstrated using the sliding-mode theory, and a design procedure for the parameters is developed to ensure a desired bus performance. Finally, simulations and experiments validate the performance of the proposed solution under realistic operation conditions.


2022 ◽  
Vol 35 (2) ◽  
Author(s):  
Amir Saeed ◽  
Yang Liu ◽  
M. Zamurad Shah ◽  
Lei Wang ◽  
Qing-Guo Wang

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