Now showing items 1-18 of 18

    • Asynchronous Optical Flow and Egomotion Estimation from Address Events Sensors 

      Azzi, Charbel (University of Waterloo, 2022-05-18)
      Motion estimation is considered essential for many applications such as robotics, automation, and augmented reality to name a few. All cheap and low cost sensors which are commonly used for motion estimation have many ...
    • Combined Electrostatic/Electromagnetic MEMS Actuators 

      Alneamy, Ayman (University of Waterloo, 2016-08-10)
      In this work, one and two degrees of freedom (DOF) lumped mass models of Micro- Electro-Mechanical System (MEMS) actuators are introduced, investigated, and compared to experimental results. A one degree of freedom system ...
    • Design and Development of a Training System for Manual Handling Tasks in Masonry 

      McFarland, Tasha (University of Waterloo, 2021-09-24)
      The construction industry is one of the industries with the highest rates of musculoskeletal disorders (MSDs). Masons are particularly susceptible to overexertion and back injuries due to the physical demands of their ...
    • Dynamic Scanning Probe Lithography and Its Applications 

      Saritas, Resul (University of Waterloo, 2022-01-25)
      This dissertation presents a novel, benchtop, low-cost, high-throughput direct surface patterning method dubbed dynamic-Scanning Probe Lithography (d-SPL). It employs a scriber mounted via a spring-damper mechanism to a ...
    • Electrostatic MEMS Bifurcation Sensors 

      ALGHAMDI, MAJED (University of Waterloo, 2018-08-24)
      We report experimental evidence of a new instability in electrostatic sensors, dubbed quasi-static pull-in, in two types of micro-sensors operating in ambient air. We find that the underlying mechanism and features of this ...
    • Electrostatic Micro-Tweezers 

      Alneamy, Ayman (University of Waterloo, 2020-06-25)
      This dissertation presents a novel electrostatic micro-tweezers designed to manipulate particles with diameters in the range of 5-14 μm. The tweezers consist of two grip-arms mounted to an electrostatically actuated initially ...
    • Fabrication, Testing and Characterization of MEMS Gyroscope 

      Almikhlafi, Ridha (University of Waterloo, 2017-05-16)
      This thesis presents the design, fabrication and characterization of two Micro-Electro-Mechanical Systems (MEMS) vibratory gyroscopes fabricated using the Silicon-On-Insulator-Multi-User-MEMS Process (SOIMUMPs) and Polysilicon ...
    • Fast Stress Detection via ECG 

      Malinovic, Aleksandar (University of Waterloo, 2019-05-23)
      Nowadays stress has become a regular part of life. Stress is difficult to measure because there has been no definition of stress that everyone accepts. Furthermore, if we do not get a handle on our stress and it becomes ...
    • Graphene Nanoparticle-Polymer Composite Fabricated by Pulsed Laser Ablation in Liquid 

      ALAMRI, MERVAT (University of Waterloo, 2016-06-09)
      Graphene is an attractive alternative material for diverse applications in electronic devices, fuel cells, biomedical sensors, energy storage, and super-capacitors due to its exceptional thermal, electrical, optical and ...
    • Implementation of optical depth scanning and wide-field imaging in photoacoustic remote sensing (PARS) microscopy 

      Mukhangaliyeva, Lyazzat (University of Waterloo, 2022-09-15)
      Optical resolution photoacoustic microscopy (OR-PAM) is a hybrid biomedical imaging technique that utilizes acoustic detection and optical absorption contrast. It is based on the photoacoustic effect, where the excitation ...
    • Incorporation of Pressure Insoles into Inverse Dynamic Analysis 

      Mahmassani, Ahmad (University of Waterloo, 2022-01-27)
      Estimation of body loads during industrial tasks, such as lifting and weight bearing, is central to workplace ergonomics and the study of the safety and risk factors in work techniques. Evaluating those loads requires data ...
    • Interaction Forces in Coupled Magnetic Pendulums 

      Lahlou, Mariam (University of Waterloo, 2022-09-22)
      In this research, we investigated the non-linear motion and magnetic forces in a chain of magnetic pendulums with cylindrical magnets to eventually better understand the be- haviour of Josephson junction-effect devices. ...
    • Interactions of Magnetic Pendulums 

      Saeidi Hosseini, Razieh Sadat (University of Waterloo, 2019-09-03)
      In recent years, coupled magnetic oscillators have received remarkable attention due to their application in vibration energy harvesting techniques and also its promising ability to help researchers to have a better ...
    • Open-Loop Transient Atomic Force Microscopy 

      Olfat, Seyed-Mahdi (University of Waterloo, 2023-02-01)
      The Atomic Force Microscope (AFM) is an instrument for measuring, in fact “seeing”, phenomena at nanoscale (10^(-9) m) and all the way down to the atomic scale (<10^(-10) m). It was borne out of a need to observe physical ...
    • Resonant Drive Techniques for MEMS: A Comparative Study 

      Abdelrahman, Rana (University of Waterloo, 2023-06-12)
      Electrostatic actuation is popular in microelectromechanical systems (MEMS) because of its many advantages. However, it requires high voltage, typically provided by a power supply and a high voltage amplifier, which is ...
    • Resonant MEMS Deformable Mirror 

      Kocer, Samed (University of Waterloo, 2022-01-21)
      The performance of optical systems is often affected by aberrations that degrade the image resolution and contrast. These aberrations may be induced from atmospheric turbulence, imperfection in the optical alignment, or ...
    • Tunable Permittivity Sensors 

      Ahmed, Alaaeldin (University of Waterloo, 2021-09-02)
      This thesis presents a novel electric permittivity sensor based on Bleustein- Gulyaev (BG) waves; waves that propagate along the surface of shear-poled piezoelectric materials. BG waves couple electromagnetic and acoustic ...
    • Use of Kinematics to Minimize Construction Workers' Risk of Musculoskeletal Injury 

      Alwasel, Abdullatif (University of Waterloo, 2017-03-29)
      Construction work requires more repetitive and highly physical effort than, for example, office work. Despite technological advancements in construction, the human factor is still an essential part of the industry. Hence, ...


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