The Design of Autonomous Thermal Management System For An Internal Combustion Engine Using Fractional Order PID Controller

Abstract

In this study, the fractional order PID type controller is designed an independent cooling system for internal combustion engines. Nonlinear optimization technique is used to determine the controller parameters in the proposed strategy. The system is named as autonomous engine cooling system and it provides a superior performance in terms of optimal thermal management compared to conventional systems. Fistly, the mathematical model of engine thermal system is derived. Next, in order to adjust cooling system electromechanical components, the proposed control strategy is tested both steady and transient engine operating conditions. In the steady state operating conditions, engine output temperature tracking error is 0,0248and the tracking error is obtained 2.108 ℃, in variable temperature conditions.

Kesir Dereceli PID Denetleyici Kullanarak İçten Yanmalı Motorlarda Otonom Termal Yönetim Sistemi Tasarımı

Abstract

Bu çalışmada, kesir dereceli PID (FOPID) tipi kontrolcülerin içten yanmalı motorlarda bağımsız soğutma sistemi için tasarımı gerçekleştirilmiştir.  Önerilen kontrol stratejisinde kontrolcü parametrelerinin belirlenmesinde doğrusal olamayan optimizasyon tekniği kullanılmıştır. Otonom motor soğutma şeklinde isimlendirilen bu sistem, geleneksel sisteme göre optimal ısı yönetimi bakımından üstün bir performans sağlar. Tasarımda öncelikle soğutma sisteminin matematiksel modeli elde edilmiştir. Sonrasında soğutma sistemi bileşenleri için önerilen kontrol stratejisi hem sabit ve hem de geçici motor çalışma koşulları için test edilmiştir. Sabit çalışma koşullarında kontolcü sayesinde motor çıkış sıcaklığını izeleme hatası 0,0248 ve değişken koşullarda ise sıcaklık izleme hatası ise 2,108 elde edilmiştir.

Keywords

• içten yanmalı motorlar,termal yönetim sistemi,kesir dereceli PID,parametre optimizasyonu

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