Contribution on observation and fault diagnosis of a multicellular converter

الموضوعات

علوم تطبيقية وتكنولوجية

الملخص

The work presented in this thesis concerns the observation and diagnosis of faults in the 3-cell converter which is considered to be a hybrid system du to its switching behavior. Indeed, the observability analysis has been shown for a hybrid time trajectory using a geometric approach based on the computation of the unobservable subspace along the hybrid time trajectory. A sliding mode observer is then designed for the observable subspace of the converter. The convergence of the observation error is demonstrated using the Lyapunov theory. Observer parameters are computed by solving a linear matrix inequality (LMI). The simulation results show a good reconstruction of the floating voltages of the converter.The second part is devoted to the diagnosis of converter faults. Indeed, a geometric approach has been applied for the determination of the subspaces sensitive to a set of faults and insensitive to another set. Fault detection and isolation is based on the designing of observer-based residual generators. The simulation results show the efficiency of the proposed residual generators based on sliding mode observers.

روابط وملفات

التعريف والنوع

رقم الوثيقة

08dd2552-07e0-4722-9064-20895e9dea8d

رقم العقد

0

نوع الوسائط

Crawler

نوع المحتوى

الرسائل العلمية

صيغة المصدر

رسائل دكتوراة

نوع الملف

pdf text

أسماء الملفات

758716_1.pdf

بيانات النشر

ألقاب المؤلفين

[{"name_ar":"Attalah Benalia","title_ar":"اشراف","title_en":"Supervision"},{"name_ar":"Djamel Boukhetala","title_ar":"اشراف","title_en":"Supervision"},{"name_ar":"Samir Khelouat","title_ar":"اعداد","title_en":"Preparation"},{"name_ar":"Taous Meriem laleg kirati","title_ar":"اشراف","title_en":"Supervision"}]

اللغة

English

المصدر والدورية

اسم المصدر

Contribution on observation and fault diagnosis of a multicellular converter

المحتوى والصفحات

عدد الصفحات

0

كلمات الباحثين

.

إشراف وإعداد

الإشراف

Attalah Benalia, Djamel Boukhetala, Taous Meriem laleg kirati

الإعداد

Samir Khelouat

الاقتباسات الببليوغرافية