Search
Skip to Search Results- 1Actuator
- 1Amplitude modulation and frequency modulation
- 1Condition-based maintenance
- 1Deep learning
- 1Fault detection and severity assessment
- 1Gearbox
-
Fall 2020
Gearboxes are widely used in modern power transmission systems such as wind turbines, helicopters, and railway vehicles. Due to inappropriate operation conditions or fatigue degradation, faults may develop in gears. If early faults cannot be detected and their severity assessed in a timely...
-
Fall 2021
Wind energy is a popular electricity resource across the world in the last few decades and is becoming increasingly important. In wind farm constructions, wake effect is an inevitable problem to be addressed. The wake generated by the upstream wind turbines may decrease the wind speed and reduce...
-
Prognostics and Maintenance Decision-making for Mechanical Systems based on Condition Monitoring Data
DownloadSpring 2024
Condition-based maintenance (CBM) is a maintenance approach that uses condition monitoring data to make maintenance decisions. The goal of CBM is to avoid machine shutdowns, reduce maintenance costs, and improve system safety. In modern mechanical systems, a wide range of sensors are used to...
-
Electromechanical Behaviour of Surface-Bonded Piezoelectric Sensors/Actuators with Imperfect Adhesive Layers
DownloadFall 2009
The performance of smart structures depends on the electromechanical behaviour of piezoelectric sensors/actuators and the bonding condition along the interface, which connects the sensor/actuator and the host structures. This thesis documents a theoretical study of the influence of material...
-
Fall 2022
Gearboxes are key components commonly employed to transfer torque and power and adjust speed in mechatronic systems, such as wind turbines, automobiles, and mining machines. Due to the harsh working environment, various faults may occur in gearboxes. Tooth cracks account for a large proportion of...