Ride comfort analysis of in-Wheel motor electric vehicles with PID and Fuzzy logic controlled semi-active suspension system
Başlık çevirisi mevcut değil.
- Tez No: 720220
- Danışmanlar: DR. ABDUL WAHEED AWAN
- Tez Türü: Yüksek Lisans
- Konular: Otomotiv Mühendisliği, Automotive Engineering
- Anahtar Kelimeler: Belirtilmemiş.
- Yıl: 2020
- Dil: İngilizce
- Üniversite: Staffordshire University
- Enstitü: Yurtdışı Enstitü
- Ana Bilim Dalı: Belirtilmemiş.
- Bilim Dalı: Belirtilmemiş.
- Sayfa Sayısı: 97
Özet
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Özet (Çeviri)
The global warming has significant effects on the life cycle and needs to drop the effects urgently. The main reason of the problem is air pollution within the transportation. Especially capital and crowded cities change the policy with the fossil fuel usage regulations in central locations of cities. As an alternative solution, the hybrid engined vehicles and fully electric vehicles released and used respectively. Another new concept which is IWM (In-Wheel Motor) technology released earlier but still wait to become more popular and efficient. Basically, the system works as the wheel has the all driver system inside the rim as wheel hub, motor, and braking system. The significantly advantages of IWM on the vehicles starts with the torque which gives to the driver a control simultaneously rpm on the wheels with efficient acceleration of the car. The braking system in the wheels are available to work on regeneration of the energy with in-wheel motors. The most important advantage of the in-wheel motors is that the control of individually wheel speed with control unit of a car. Individual control gives the car high ability on the cornering and assist to steering. However, in the main stability system as unsprung mass increasing affect the ride comfort. The improvements on the ride quality can be done by suspension system changes or adapting the controllers on the system. In this study, the effect of the mass change showed by passive quarter car suspension model. The mathematical modelling and visual simulations have been developed within MATLAB/Simulink. The comparison of two different road profile applied to the different semi-active suspension systems to show the effects onto the car body displacement and acceleration. There are two type of controllers designed and ruled into the systems and their results showed different graphs. The best effective damping has been chosen by comparisons between Bouc-Wen modeled, PID controlled and Fuzzy Logic controlled systems.
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