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A simplified approach to implementation of state-space control of DC/DC converters on low-cost microcontrollers | IEEE Conference Publication | IEEE Xplore

A simplified approach to implementation of state-space control of DC/DC converters on low-cost microcontrollers


Abstract:

The recent emergence of microcontroller platforms for digital control of DC/DC converters requires the deployment of modern control algorithms. State-space based control ...Show More

Abstract:

The recent emergence of microcontroller platforms for digital control of DC/DC converters requires the deployment of modern control algorithms. State-space based control methods are usually involving complex analytical development and are not easily adopted by industry. This paper proposes a simplified arrangement of control equations and software in order to facilitate the understanding of state-space based control and its implementation on existing low-cost microcontrollers. The control law is herein separated into two terms only: a conventional PI controller module and a "compensation" module expressed as a 4-term sum-of-products, each product being made up with a pair of an offline pre-calculated constant and a measurement sample. Both terms are coded in assembly language for faster calling from a master C program. Several options for current's estimation are discussed under this software arrangement.
Date of Conference: 09-12 November 2015
Date Added to IEEE Xplore: 28 January 2016
ISBN Information:
Conference Location: Yokohama, Japan

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