Browsing Mechanical and Mechatronics Engineering by Title
Now showing items 1226-1245 of 1493
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Reconfigurable Integrated Vehicle Stability Control Using Optimal Control Techniques
(University of Waterloo, 2017-09-15)The motivation for the development of vehicle stability control systems comes from the fact that vehicle dynamic behavior in unfavorable driving conditions such as low road-tire adhesion and high speed differs greatly from ... -
Recovering Optimal Cost Functions for Natural Walking: From Musculoskeletal Simulation to Exoskeleton Control
(University of Waterloo, 2022-05-03)Human movement studies have contributed to our understanding of how the central nervous system's (CNS) interactions with our body results in rich and complex motor behaviours, such as human gait. Such understanding is ... -
Recurrent Neural Network Dual Resistance Control of Multiple Memory Shape Memory Alloys
(University of Waterloo, 2018-08-23)Shape memory alloys (SMAs) are materials with extraordinary thermomechanical properties which have caused numerous engineering advances. NiTi SMAs in particular have been studied for decades revealing many useful characteristics ... -
Redistribution of charged aluminum nanoparticles on oil droplets in water in response to applied electrical field
(Springer, 2016-05-18)Janus droplets with two opposite faces of different physical or chemical properties have great potentials in many fields. This paper reports a new method for making Janus droplets by covering one side of the droplet with ... -
Redistribution of mobile surface charges of an oil droplet in water in applied electric field
(Elsevier, 2016-10)Most researches on oil droplets immersed in aqueous solutions assume that the surface charges of oil droplets are, similar to that of solid particles, immobile and distributed uniformly under external electric field. ... -
Redundant Hybrid Cable-Driven Robots: Modeling, Control, and Analysis
(University of Waterloo, 2019-08-29)Serial and Cable-Driven Parallel Robots (CDPRs) are two types of robots that are widely used in industrial applications. Usually, the former offers high position accuracy at the cost of high motion inertia and small workspace ... -
Refill Friction Stir Spot Welding Of Dissimilar Alloys
(University of Waterloo, 2015-12-22)Lightweight alloy materials such as magnesium and aluminum alloys are frequently employed in the automotive and manufacturing industry in order to improve vehicle fuel economy. This creates a pressing need for joining of ... -
Reflectivity and Elastic Modulus of Nano-Aluminum Films on Silicon Crystal Substrates
(University of Waterloo, 2014-06-17)In this work, effect of film thickness on optical reflection and elastic modulus of the metal film at very low size was studied. We choose Aluminium as a reflective surface where it mostly used as a typical material for ... -
Regenerative and Adaptive Shock Absorber: A Hybrid Design
(University of Waterloo, 2014-05-15)Damping in a multitude of engineering applications has a variable threshold requirement based on the input excitation given to the system. In most applications the desired system response is known but the input to the ... -
Reinforcement Learning of Dynamic Collaborative Driving
(University of Waterloo, 2008-05-21)Dynamic Collaborative Driving is the concept of decentralized multi-vehicle automated driving where vehicles form dynamic local area networks within which information is shared to build a dynamic data representation of the ... -
Reliable Vehicle State and Parameter Estimation
(University of Waterloo, 2017-09-08)Diverse vehicle active safety systems including vehicle electronic stability control (ESC) system, anti-lock braking system (ABS), and traction control system (TCS) are significantly relying on information about the vehicle's ... -
Research and Development of Long Life Lead Carbon Battery for Energy Storage
(University of Waterloo, 2018-09-19)This thesis is a summarization of a lead acid battery research and development work. The first four sections present briefly the lead acid battery (LAB) history, battery structure, fundamental theory, application in ... -
Research on the energy control of a dual-motor hybrid vehicle during engine start-stop process
(Elsevier, 2019-01-01)In this paper, motor torque control methods are proposed to suppress the vibration of a dual-motor hybrid powertrain during start-stop operation. Firstly, a co-simulation ADAMS and MATLAB/SIMULINK model is built to study ... -
Research Update: Doping ZnO and TiO2 for solar cells
(AIP Publishing, 2013-12-01)ZnO and TiO2 are two of the most commonly used n-type metal oxide semiconductors in new generation solar cells due to their abundance, low-cost, and stability. ZnO and TiO2 can be used as active layers, photoanodes, buffer ... -
Residual Stresses In Circular Thin Plates Using Two Dimensional X-ray Diffraction And Finite Element Analysis
(University of Waterloo, 2013-05-23)There are many causes of structural failure. One of the most important factors leading to material failure is residual stress. This stress represents effects left in structures after processing or removal of external ... -
Residual-Based Isotropic and Anisotropic Mesh Adaptation for Computational Fluid Dynamics
(University of Waterloo, 2008-05-21)The accuracy of a fluid flow simulation depends not only on the numerical method used for discretizing the governing equations, but also on the distribution and topology of the mesh elements. Mesh adaptation is a technique ... -
Resilient Corner-Based Vehicle Velocity Estimation
(Institute of Electrical and Electronics Engineers, 2017-02-23)This paper presents longitudinal and lateral velocity estimators by considering the effect of the suspension compliance (SC) at each corner (tire) for ground vehicles. The estimators are developed to be resilient to sensor ... -
Resistance Spot Weld Fatigue Life Prediction Method Compatibility with Self-Piercing Rivets
(University of Waterloo, 2022-06-15)The Resistance Spot Weld (RSW) is traditional method for structural sheet metal joining with well established durability assessment techniques and methodologies. With increased prevalence of multi-material automotive ... -
Resistance Spot Welding and In-Process Heat Treatment of Hot Stamped Boron Steel
(University of Waterloo, 2016-03-15)Escalating environmental concerns have prompted efforts to reduce vehicle weight and carbon emissions, resulting in increased application of advanced high strength steels (AHSS). 22MnB5 hot stamping grade AHSS, namely ... -
Resistance Spot Welding of Al to Mg with Different Interlayers
(University of Waterloo, 2013-08-22)In order to meet the increasing fuel efficiency requirements, the automotive industry has strived for component weight reduction in order to improve the performance of automotive vehicles through the use of light Al and ...