Análise do desempenho de microcontroladores para sistemas de controle

Abstract

Microcontrolers are integrated circuits that can be programed for a specific application. One common example of these applications is in control systems. However, in the design of a control system, it’s common to choose the microcontroler based only on its peripherals or other features like clock frequency. An alternative for such a choice is made it based on the ability of a microcontroller to control the closed-loop system without failures via its processing capability for such an application. Such information can not be simply found in the microcontroller’s documentation, because it is given by the application, which often generates the following problem: the need for a method to determine whether or not a microcontroller meets the performance requirements for the desired control application. In this paper, a methodology is proposed to estimate the performance of some microcontrollers that can operate in control system applications, and to what extent one can obtain suitable results on the plant under certain conditions. The choosen models are ESP32D0WDQ6, STM32F407VET6, STM32F103C8T6 e MSP430G2553, due to having diferente features, which allows to obtain a real comparative between different devices.