Investigation of non-isolated dual-input step-up DC–DC converter using sliding mode control for EV application

This work investigates the design and implementation of a sliding mode controller for a non-isolated dual-input step-up DC–DC converter for electric vehicle applications. The non-isolated dual-input step-up DC–DC converter comprises one inductor, one capacitor, two switches with anti-parallel diodes...

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Bibliographic Details
Published in:Electrical engineering 2024, Vol.106 (4), p.4155-4170
Main Authors: Jaganathan, Subramaniyan, Chandrasekar, Balaji, Queen, M. P. Flower
Format: Article
Language:English
Subjects:
Control systems design
Controllers
Conversion ratio
Direct current
Economics and Management
Electric vehicles
Electrical Engineering
Electrical Machines and Networks
Electromagnetic interference
Energy Policy
Engineering
Inductors
Original Paper
Power Electronics
Proportional integral derivative
Sliding mode control
Switches
Voltage converters (DC to DC)
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Summary:This work investigates the design and implementation of a sliding mode controller for a non-isolated dual-input step-up DC–DC converter for electric vehicle applications. The non-isolated dual-input step-up DC–DC converter comprises one inductor, one capacitor, two switches with anti-parallel diodes, and two switches without diodes. The converter analysis is carried out using state space averaged model. The converter with the sliding mode controller is analysed by varying both the input voltage and the load. The performance characteristics of the dual-input DC–DC converter are compared against the conventional PID controller, and it is found that the non-isolated dual-input step-up DC–DC converter with sliding mode controller shows improved performance. The converter thus considered is dynamic and exhibits a high-speed step-up conversion ratio. The sliding mode controller is designed, analysed and it is simulated. The simulation results are validated by developing a prototype model. The converter is simple in construction, highly reliable, and efficient. Further, the converter exhibits less input current ripple and low electromagnetic interference which makes it the best choice for electric vehicle applications.
ISSN:0948-7921
1432-0487
DOI:10.1007/s00202-023-02172-z