Browsing Mechanical and Mechatronics Engineering by Title
Now showing items 887-906 of 1501
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Load path sensitivity and fatigue life estimation of 30CrNiMo8HH
(Elsevier, 2012-04-01)A set of strain-controlled biaxial proportional and non-proportional tests were conducted on solid and tubular specimens of 30CrNiMo8HH steel. The effect of the phase angle on fatigue life was studied. This effect becomes ... -
Localized-Based Control Algorithm For Passenger Ride Comfort
(University of Waterloo, 2014-09-15)In this thesis, a new localized-based suspension control strategy is developed, simulated and validated with experimental results. Basic concepts of mathematical vehicle models, suspension systems, and conventional control ... -
Locally-Adaptive Tabulation of Low-Dimensional Manifolds using Bezier Patch Reconstruction
(2017-05-17)An efficient tabulation strategy for turbulent combustion simulations is proposed. Using a locally adaptive arrangement of structured Bezier patches–often used in computer graphics–the combustion manifold can be efficiently ... -
Longitudinal vehicle state estimation using nonlinear and parameter-varying observers
(Elsevier, 2017-05)A corner-based velocity estimation approach is proposed which is used for vehicle’s traction and stability control systems. This approach incorporates internal tire states within the vehicle kinematics and enables the ... -
Low Cost Thermal Imaging System for Welding Applications
(University of Waterloo, 2016-09-29)A significant component of welding research is devoted to studying the relationship between welding parameters and material properties. The fundamental link between process parameters and material properties is established ... -
Low Cost Wet Diaper Detector System
(University of Waterloo, 2021-08-12)The role of smart wet diaper detectors to health caregivers cannot be over-emphasized. Prolong wetness in patients and babies is one of the major causes of rashes especially when the wetness is not detected on time. ... -
Low Mobility Cable Robot with Application to Robotic Warehousing
(University of Waterloo, 2014-10-17)Cable-based robots consist of a rigid mobile platform connected via flexible links (cables, wires, tendons) to a surrounding static platform. The use of cables simplifies the mechanical structure and reduces the inertia, ... -
Low to High Strain Rate Characterization of DP600, TRIP780, AA5182-O
(University of Waterloo, 2015-03-18)Advanced High Strength Steels (AHSS) and aluminum alloys are currently of great interest in the automotive industry due to their superior strength-to-weight ratio and good formability. This research work presents the results ... -
Low-cycle fatigue characterization and texture induced ratcheting behaviour of forged AZ80 Mg alloys
(Elsevier, 2018-11-01)Stress-controlled uniaxial “push-pull” fatigue testing was conducted on as-received (cast and extruded) and closed-die cast-forged and extruded-forged AZ80 Mg alloy. The as-cast material possessed random texture and somewhat ... -
Low-Frequency Piezoelectric Energy Harvester with Novel 3D Folded Zigzag Design and High Power Density
(University of Waterloo, 2018-07-09)Cantilevers have been widely used for vibration energy harvesting applications using piezoelectric materials due to their simple geometries, frequency tune-ability, and closed form analytical solution. Recent studies have ... -
Machine Learning Approaches in Crystal Plasticity
(University of Waterloo, 2022-04-27)The continued advancements in material development and design require understanding the relationships between microstructure and flow behaviour. Crystal plasticity (CP) is a high-fidelity computational method that helps ... -
Machine Learning-based Detection of Compensatory Balance Responses and Environmental Fall Risks Using Wearable Sensors
(University of Waterloo, 2016-08-31)Falls are the leading cause of fatal and non-fatal injuries among seniors worldwide, with serious and costly consequences. Compensatory balance responses (CBRs) are reactions to recover stability following a loss of balance, ... -
Machining Chatter in Flank Milling and Investigation of Process Damping in Surface Generation
(University of Waterloo, 2011-12-06)Although a considerable amount of research exists on geometrical aspects of 5-axis flank milling, the dynamics of this efficient milling operation have not yet been given proper attention. In particular, investigating ... -
Machining Speed Gains in a 3-Axis CNC Lathe Mill
(University of Waterloo, 2010-08-04)The intent of this work is to improve the machining speed of an existing 3 axis CNC wood working lathe. This lathe is unique in that it is a modi ed manual lathe that is capable of machining complex sculptured surfaces. ... -
Magnesium for biomedical applications as degradable implants: thermomechanical processing and surface functionalization of a Mg-Ca alloy
(University of Waterloo, 2016-01-25)Degradable implants for bone fixation have been of significant interest since the last decade. Among different materials, magnesium appears as a promising candidate due to its unique combination of properties. Magnesium ... -
Magnetic Field Assisted Abrasive Polishing
(University of Waterloo, 2021-12-20)Surface roughness of both machined and additively manufactured components is a critical characteristic that ensures both functional requirements and efficient performance in many high-precision applications requiring precise ... -
Magnetic Levitation of Polymeric Photo-thermal Microgrippers
(University of Waterloo, 2008-09-26)Precise manipulation of micro objects became great interest in engineering and science with the advancements in microengineering and microfabrication. In this thesis, a magnetically levitated microgripper is presented for ... -
Magnetic Pulse Welding of Mg Sheet
(University of Waterloo, 2011-08-31)Because of its low density and high strength, magnesium (Mg) and its alloys are being sought after in the automotive industry for structural applications. Although many road-going cars today contain cast Mg parts, in the ... -
Making CNC Machines Smarter
(University of Waterloo, 2019-12-16)CNC machines are a commonly used manufacturing tool. Over the years, they have become increasingly sophisticated. While there is a lot of research into making the machines more sophisticated, there is little research into ... -
Manipulation and separation of oil droplets by using asymmetric nano-orifice induced DC dielectrophoretic method
(Elsevier, 2018-02-15)Emulsion droplets are versatile tools in chemical and biological fields and the separation of emulsion droplets is one of the most crucial steps in research and industry. This work developed a nano-orifice based DC ...