Browsing Mechanical and Mechatronics Engineering by Title
Now showing items 1135-1154 of 1509
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Operator Impedance During Physical Human-Robot Interaction: Estimation and Validation
(University of Waterloo, 2019-09-20)As the frequency and complexity of physical human-robot interaction (pHRI) increases, so does the need to understand the dynamics of this coupled system in real-time. For haptic displays, which provide information to our ... -
Optical Sensor for Measurement of Clad Height during Laser Cladding Process
(University of Waterloo, 2006)The process of laser cladding consists of depositing successive layers of molten metallic powder to create a near-net shape. A high-power laser is used to melt incoming metallic powder, which forms a melt pool on the ... -
Optimal Active Control of Flexible Structures Applying Piezoelectric Actuators
(University of Waterloo, 2013-04-26)Piezoelectric actuators have proven to be useful in suppressing disturbances and shape control of flexible structures. Large space structures such as solar arrays are susceptible to large amplitude vibrations while in ... -
Optimal Anti-Idling Systems for Service Vehicles
(University of Waterloo, 2016-08-25)Vehicles are major sources of air pollution and greenhouse gas emissions, so any improvement in their fuel efficiency can have a significant impact on the environment and economy. In this study, a regenerative auxiliary ... -
Optimal Control of Li-Ion Hydrogen Fuel Cell Hybrid Vehicles
(University of Waterloo, 2012-09-26)Hydrogen fuel cells are poised to become the next major power generation technology for the automotive industry. Fuel cell hybrid vehicles have similar power trains to conventional series hybrid electric vehicles. The ... -
Optimal energy-efficient predictive controllers in automotive air-conditioning/refrigeration systems
(Elsevier, 2016-12-15)This paper presents several robust model predictive controllers that improve the temperature performance and minimize energy consumption in an automotive air-conditioning/refrigeration (A/C-R) system with a three-speed and ... -
Optimal Material Selection for Transducers
(University of Waterloo, 2018-02-15)When selecting an active material for an application, it is tempting to rely upon prior knowledge or commercial products that fit the design criteria. While this method is time effective, it does not provide an optimal ... -
Optimal Reconfiguration of Complex Production Lines for Profit Maximization via Simulation Modeling
(University of Waterloo, 2014-11-21)With the recent trend of re-shoring, transferring manufacturing systems from a workforce-intensive to a capital-intensive production environment becomes more common. One challenge multinational manufacturing companies may ... -
Optimal Sensor Configuration and Fault-Tolerant Estimation of Vehicle States
(SAE International, 2013-04-08)This paper discusses observability of the vehicle states using different sensor configurations as well as fault-tolerant estimation of these states. The optimality of the sensor configurations is assessed through different ... -
Optimal Torque Control for an Electric-Drive Vehicle with In-Wheel Motors: Implementation and Experiments
(SAE International, 2013-04-08)This paper presents the implementation of an off-line optimized torque vectoring controller on an electric-drive vehicle with four in-wheel motors for driver assistance and handling performance enhancement. The controller ... -
Optimal Vibration Control in Structures using Level set Technique
(University of Waterloo, 2013-09-27)Vibration control is inevitable in many fields, including mechanical and civil engineering. This matter becomes more crucial for lightweight systems, like those made of magnesium. One of the most commonly practiced methods ... -
Optimization of Forged Magnesium Structural Automotive Components
(University of Waterloo, 2016-08-25)In an ongoing search for better vehicle fuel economy, the automotive industry has put significant emphasis on the reduction of vehicle weight while retaining stringent safety, quality and performance standards. With its ... -
Optimization of Heat Sinks with Flow Bypass Using Entropy Generation Minimization
(University of Waterloo, 2006)Forced air cooling of electronic packages is enhanced through the use of extended surfaces or heat sinks that reduce boundary resistance allowing heat generating devices to operate at lower temperatures, thereby improving ... -
Optimization of Laminated Dies Manufacturing
(University of Waterloo, 2011-05-24)Due to the increasing competition from developing countries, companies are struggling to reduce their manufacturing costs. In the field of tool manufacturing, manufacturers are under pressure to produce new products as ... -
Optimization of Neck Musculature Activation for Head Kinematics in Frontal, Lateral and Rear Impact Simulations
(University of Waterloo, 2020-07-21)The activation of the neck musculature plays an important role in the response of the head and neck and can affect the risk of injury under impact conditions. Yet, the role of the level (i.e., magnitude) and timing of the ... -
Optimization of Three-Axis Vertical Milling of Sculptured Surfaces
(University of Waterloo, 2010-05-12)A tool path generation method for sculptured surfaces defined by triangular meshes is presented in this thesis along with an algorithm that helps determine the best type of cutter geometry to machine a specific ... -
Opto-Mechanical Analysis of a Harsh Environment MEMS Fabry-Perot Pressure Sensor
(University of Waterloo, 2019-04-30)The objective of this thesis is to develop an optically interrogated pressure sensor that is capable of measuring the applied fluid pressure in harsh environments. In its completed state, this sensor is intended be used ... -
Overview of a Project to Determine the Surface Temperatures of Insulated Glazing Units: Thermographic Measurement and Two-Dimensional Simulation
(American Society of Heating, Refrigerating and Air-Conditioning Engineers, 1996)A collaborative research project was undertaken to generate surface temperature profiles for the indoor side of seven different double and triple-glazed insulated glazing units exposed to the ASHRAE winter design condition. ... -
Palladium Nanoparticles Loaded on Carbon Modified TiO2 Nanobelts for Enhanced Methanol Electrooxidation
(Springer, 2013-09-12)Carbon modified TiO2 nanobelts (TiO2-C) were synthesized using a hydrothermal growth method, as a support material for palladium (Pd) nanoparticles (Pd/TiO2-C) to improve the electrocatalytic performance for methanol ... -
Part Performance Measurement, Analysis and Optimization for Binder Jetting Additive Manufacturing
(University of Waterloo, 2020-10-22)Binder Jetting (BJ) is an additive manufacturing (AM) process where objects are formed layer by layer. The manufacturing of parts is performed by depositing powder layer by layer and binding them together using a binding ...