Condition monitoring using computational intelligence methods master thesis for the fulfillment of the academic degree msc in automotive software engineering and diagnosis, it is a challenging task to implement a condition monitoring system in real electric motors, coils, and transformers can be monitored [5. Christchurch, new zealand, pp 1-6, 2003  neelam mehala and ratna dahiya “condition monitoring and fault diagnosis of induction motor using motor current signature analysis”, a phd thesis submitted to the electrical engineering department, national institute of technology, kurushetra, india, october, 2010. The utilisation of information avialable in a sensorless control system of an ac induction motor for condition monitoring by samieh a abu saad a thesis submitted to the university of huddersfield in partial fulfilment of the requirements for the degree of doctor of. Meshing frequency amongst different gear transmission stages, being more suitable for wireless network condition monitoring systems it has also found that the signals at resonance frequencies has a higher signal-to-noise ratio and more effective for obtaining accurate diagnosis also software encoder based tsa was. The squirrel cage induction motors are most widely used electrical machines for industrial, domestic and commercial applications these motors have 5, pp 1092-1099, oct 2000  phd thesis of neelam mehala, “condition monitoring and fault diagnosis of induction motor using motor current signature analysis”.
Robust condition monitoring and fault diagnosis of variable speed induction motor drives a dissertation by seungdeog choi submitted to the office of graduate studies of texas a&m university in partial fulfillment of the requirements for the degree of doctor of philosophy. Abstract—this paper deals with mechanical fault analysis of three phase induction motor using motor current signature analysis this is a reliable technique that can be used to monitor the health of three phase induction motor three phase induction motor is used to find the current signature before and after the. This phd thesis deals with condition monitoring of mechanical failures in variable speed induction motor drives by stator current analysis two effects of a mechanical fault are considered: load torque oscillations and airgap eccentricity the analyti- cal modelling using the magnetomotive force and permeance wave.
A robust, on-line turn-fault detection technique for induction machines based on monitoring the sequence component impedance matrix dr tallam received the phd thesis award from the georgia tech chapter of sigma-xi, the outstanding phd thesis award from the school of electrical and computer engineering,. Submitted for the degree of doctor of philosophy eccentricity) and stator winding faults in a 3-phase induction motors from this thesis looks into the possibility of utilizing machine learning techniques in the field of condition monitoring of electromechanical systems induction motors are chosen as an example for such. Increasing the maintenance and expenditure cost so condition monitoring motors and troubleshooting methods are highly necessary for the electrical motors in this proposed study, the effect of broken induction motors, university of adelaide, phd thesis, adelaide, australia, 2008  n mehala, r dahiya, rotor faults.
Master of engineering (research) the university of adelaide, australia, 2010 thesis submitted for the degree of doctor of philosophy in school of electrical and induction motor parameters estimation and condition monitoring: the third part of this thesis demonstrates a multi-motor condition monitoring scheme. Induction motor fault diagnostic and monitoring methods by aderiano m da silva, bs a thesis submitted to the faculty of the graduate school the second method is a motor fault monitoring method that classifies the operating condition of an induction motor as healthy or faulty the faulty condition.
Condition monitoring of induction motors is a fast emerging technology for online detection of incipient faults this paper keywords: condition monitoring, induction motors, fault monitoring phd thesis of neelam mehala, “condition monitoring and fault diagnosis of induction motor using motor current signature. And innovative techniques for induction motor faults with an identification of future research areas keywords: artificial neural networks condition monitoring and fault diagnostics are usually implemented by investigating the motor using motor current signature analysis”, a phd thesis submitted to the electrical. Abstract – due to their reliability, robustness and simple construction squirrel- cage induction motors are widely used in industry however, faults like broken rotor bars, rotor eccentricity, bearing and winding faults can occur during normal operation of the motor techniques for the detection of these faults have been.
This thesis addresses the problem of automatic detection and diagnosis of faults within wind turbine brake systems the aim is to the use of an induction motor as a sensor to identify faults within the hydraulic unit of the brake system has been explored the braking event was type of work: phd thesis supervisor(s ):. Report 141 support vector machine based classification in condition monitoring of induction motors sanna pöyhönen dissertation for the degree of doctor of science in technology to be presented with due permission of the department of automation and systems technology.