Intelligent neural network for modelling and control of an automotive air conditioning system

Air Conditioning (AC) System in the automotive is to provide the thermal comfort during the driving journey. Thermalcomfort plays an essential role in nowadays sophisticated modern vehicle.Monitoring and automatic control of air conditioning systems are important to ensure drive comfort are met duri...

Full description

Saved in:
Bibliographic Details
Main Author: Yap, Yoon Loy
Format: Thesis
Language:English
Published: 2015
Subjects:
Online Access:http://eprints.utm.my/id/eprint/48715/25/YapYoonLoyMFKM2015.pdf
Tags: Add Tag
No Tags, Be the first to tag this record!
id my-utm-ep.48715
record_format uketd_dc
spelling my-utm-ep.487152020-06-18T01:31:40Z Intelligent neural network for modelling and control of an automotive air conditioning system 2015-01 Yap, Yoon Loy TJ Mechanical engineering and machinery Air Conditioning (AC) System in the automotive is to provide the thermal comfort during the driving journey. Thermalcomfort plays an essential role in nowadays sophisticated modern vehicle.Monitoring and automatic control of air conditioning systems are important to ensure drive comfort are met during the journey, therefore, this research aims to study the Modeling of AC System of Automotive by using Intelligent Neural Network to achieve the desired cooling comfort. Intelligent Neural Network by neuro controller will be introduced to the automotive for the vehicle to control the air conditioning system and the goalof this project is to improve and maintain the occupant comfort level within car cabin with introduces various disturbances and at the same time achieve as an energy efficient vehicle.The objective of the project is to design a self-tuning neuro controller for the variable speed compressor of the Automotive Air Conditioning (AAC) system within Matlab-SIMULINK environment. In this research, Recursive Least Squares (RLS) system identification techniques were used to estimate the non-linear or dynamic model of the AAC system. The input and output data used to estimate the dynamic model of AAC system were obtained experimentally in the lab. The validity of the models was investigated based on mean square error (MSE) and correlation tests. From the parameter optimization and simulation, the optimum neural network structure of AAC system was obtained. Three types of controllers, namely PID, NARMA-L2 and NARMA-L2-PID were proposed in this research. The overall comparison of three conventional and neuro controllers was presented and discussed in this research. From the simulation results, it can be seen that the proposed hybrid NARMA-L2-PID controller has performed the best amongst all in term of the time response and the effective performance of the system as compared to the heuristic tuned- PID and NARMA L2 controllers. 2015-01 Thesis http://eprints.utm.my/id/eprint/48715/ http://eprints.utm.my/id/eprint/48715/25/YapYoonLoyMFKM2015.pdf application/pdf en public http://dms.library.utm.my:8080/vital/access/manager/Repository/vital:86091 masters Universiti Teknologi Malaysia, Faculty of Mechanical Engineering Faculty of Mechanical Engineering
institution Universiti Teknologi Malaysia
collection UTM Institutional Repository
language English
topic TJ Mechanical engineering and machinery
spellingShingle TJ Mechanical engineering and machinery
Yap, Yoon Loy
Intelligent neural network for modelling and control of an automotive air conditioning system
description Air Conditioning (AC) System in the automotive is to provide the thermal comfort during the driving journey. Thermalcomfort plays an essential role in nowadays sophisticated modern vehicle.Monitoring and automatic control of air conditioning systems are important to ensure drive comfort are met during the journey, therefore, this research aims to study the Modeling of AC System of Automotive by using Intelligent Neural Network to achieve the desired cooling comfort. Intelligent Neural Network by neuro controller will be introduced to the automotive for the vehicle to control the air conditioning system and the goalof this project is to improve and maintain the occupant comfort level within car cabin with introduces various disturbances and at the same time achieve as an energy efficient vehicle.The objective of the project is to design a self-tuning neuro controller for the variable speed compressor of the Automotive Air Conditioning (AAC) system within Matlab-SIMULINK environment. In this research, Recursive Least Squares (RLS) system identification techniques were used to estimate the non-linear or dynamic model of the AAC system. The input and output data used to estimate the dynamic model of AAC system were obtained experimentally in the lab. The validity of the models was investigated based on mean square error (MSE) and correlation tests. From the parameter optimization and simulation, the optimum neural network structure of AAC system was obtained. Three types of controllers, namely PID, NARMA-L2 and NARMA-L2-PID were proposed in this research. The overall comparison of three conventional and neuro controllers was presented and discussed in this research. From the simulation results, it can be seen that the proposed hybrid NARMA-L2-PID controller has performed the best amongst all in term of the time response and the effective performance of the system as compared to the heuristic tuned- PID and NARMA L2 controllers.
format Thesis
qualification_level Master's degree
author Yap, Yoon Loy
author_facet Yap, Yoon Loy
author_sort Yap, Yoon Loy
title Intelligent neural network for modelling and control of an automotive air conditioning system
title_short Intelligent neural network for modelling and control of an automotive air conditioning system
title_full Intelligent neural network for modelling and control of an automotive air conditioning system
title_fullStr Intelligent neural network for modelling and control of an automotive air conditioning system
title_full_unstemmed Intelligent neural network for modelling and control of an automotive air conditioning system
title_sort intelligent neural network for modelling and control of an automotive air conditioning system
granting_institution Universiti Teknologi Malaysia, Faculty of Mechanical Engineering
granting_department Faculty of Mechanical Engineering
publishDate 2015
url http://eprints.utm.my/id/eprint/48715/25/YapYoonLoyMFKM2015.pdf
_version_ 1747817458105843712