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This paper proposes a Sigma-Delta Modulator (ΣΔ-M) based Proportional and Integral (PI) controller for bidirectional inductive power transfer (IPT) systems. The controller uses ΣΔ-Ms to convert analog or multi-bit digital signals into single-bit signals and is ideally suited to be implemented in field programmable gate arrays (FPGAs). Various functional blocks are designed to implement PI actions...
This paper proposes a single-bit ADC system based Proportional and Integral (PI) controller to regulate the output voltage of Capacitive Power Transfer (CPT) systems. A simple single-bit ADC system i.e., Single-Bit Modulator (SBM) is considered as an alternative to the commonly used multi-bit ADC systems. Unique features of employing SBM are 1) its ability to convert analog signals into single-bit...
The traditional approach of controller implementation is based on multi-bit signal processing. The present paper proposes an alternate approach of controller implementation based on single-bit signal processing. This requires less interface channels between the controller and other parts of the system and thereby consumes significantly less hardware resources compared to traditional multi-bit processing...
This paper proposes a novel approach to controller implementations based on bitstream signal processing. A stability condition is derived analytically based on sliding mode analysis. Bit-stream techniques allows to the number of interface channels between the controller and other parts of the system to be reduced from multiple to single channel. Hence, significantly fewer hardware resources are consumed...
IEEE 802.15.4 defines physical layer specifications for compatible interconnections amongst devices using low-power transceivers. However, error performances of these transceivers must be discreetly studied to investigate the transceiver's energy expense on wireless communication. This paper reports a simulation-based study on the transceivers conducting direct sequence spreading spectrum (DSSS) processing...
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