A proposta deste livro é apresentar os passos para controlar a velocidade de um motor DC por PWM, através da leitura de um encoder incremental presente no equipment didático utilizado.
Por exemplo, será ajustado o setpoint de rotação do motor para 3000 RPM e de acordo com a leitura do encoder (feedback), será fornecido mais ou menos energia ao motor através do PWM para que a faixa esperada seja alcançada.
A programação foi feita com base na linguagem C, usando o compilador XC8 e o ambiente MPLAB X. O equipment didático utilizado foi o Cerne RPM, disponível a venda no endereço www.cerne-tec.com.br. Todavia, o esquema elétrico da experiência é apresentada, permitindo ao leitor que não disponha do equipment montá-lo através de um protoboard ou comparable para execução da experiência.

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Lendo um Encoder Para controle de velocidade de MOTOR DC Com base no XC8 e PIC18F2520 (Portuguese Edition)

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