Navegando por Autor "Souza, Matheus Afonso Lima de"

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Aplicação de controle PI e PID na construção para dispositivo de resfriamento: uma proposta prática
(2023-09-29) Souza, Matheus Afonso Lima de; Neves, Cleonor Crescencio das; http://lattes.cnpq.br/2176855362313017; Reis, Ailton Gonçalves; http://lattes.cnpq.br/7119484789256081; Neves, Cleonor Crescêncio das; http://lattes.cnpq.br/2176855362313017; Reis, Ailton Gonçalves; http://lattes.cnpq.br/7119484789256081; Santos, Eliton Smith dos; Santos, Alyson de Jesus dos Santos; http://lattes.cnpq.br/5998752909180697
This undergraduate thesis details the development of a prototype for temperature control in a closed environment using PID control techniques. The prototype, housed in an MDF box, regulates a 100-watt lamp via a dimmer to maintain the voltage at 33 Vac. DHT11 and DS18B20 sensors are employed to monitor internal and external temperatures. Real-time sensor data is collected and analyzed through MATLAB-generated graphs. Cooling is facilitated by a 12Vdc fan controlled through PWM signals from the ESP8266 and a BC458 transistor. The PID control implementation, using the Arduino's PID_v1 library, is fine-tuned based on open loop responses and COHEN & COON relationships. Results highlight the energy consumption for cooling concerning the external temperature, establishing an effective temperature control solution for controlled environments.