Departament d'Enginyeria Mecànica
Recent Submissions
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Drive systems optimization in electric, hybrid and fuel cell vehicles
(Universitat Politècnica de Catalunya, 2022-09-05)
Doctoral thesis
Restricted access - confidentiality agreement(English) We are currently immersed in the fourth industrial revolution that involves, among others, technology to prevent climate change, transformation of the transport sector, digitization and artificial intelligence. ... -
On the prediction of induced structural damage in hydraulic turbines in off-design conditions
(Universitat Politècnica de Catalunya, 2024-01-15)
Doctoral thesis
Open Access(English) The introduction of the intermittent and unpredictable solar and wind power into the electrical grid is pushing hydraulic turbines to work for longer periods of time in off-design conditions. Under these ... -
Hemp crop waste for green solutions in construction: physical and mechanical characterization
(Universitat Politècnica de Catalunya, 2024-01-11)
Doctoral thesis
Open Access(English) The primary goal of this thesis is to unlock the potential of hemp stalk, an agricultural byproduct that currently lacks practical applications. The overarching aim is to promote the use of eco-friendly materials, ... -
Fractal approach to wheel-rail roughness contact theory
(Universitat Politècnica de Catalunya, 2023-12-21)
Doctoral thesis
Open Access
Covenantee: Universitatea Politehnică București(English) In this study, the Weierstrass fractal function was used to model the surface roughness of railway tracks and, subsequently, the static coefficient of friction (COF) for Hertzian rail-wheel contact and cylinder-plane ... -
Control strategies for exoskeleton gait training after stroke: understanding the importance of parameter tuning
(Universitat Politècnica de Catalunya, 2023-11-17)
Doctoral thesis
Restricted access - confidentiality agreement(English) The control strategies implemented in exoskeletons play a crucial role in determining the interaction between the device and user. However, it is unclear what is the most suitable control strategy and settings ... -
Machine-learning to promote better practices of low-cost wearable devices in tremor diseases
(Universitat Politècnica de Catalunya, 2023-10-27)
Doctoral thesis
Open Access(English) The most common tremor disorders worldwide are Parkinson's Disease and Essential Tremor. The gold standard for diagnosing these movement disorders is medical evaluation by neurologists, but its accuracy depends ... -
Application of the vibration-assisted ball burnishing process on rotational symmetric parts to improve their fatigue strength and wear properties
(Universitat Politècnica de Catalunya, 2023-09-05)
Doctoral thesis
Restricted access - confidentiality agreement
Covenantee: Institut national polytechnique de Toulouse(English) This thesis is an experimental investigation into the beneficial effects of the ultrasonic vibration-assisted ball burnishing process on the wear resistance and fatigue life-cycle enhancement of rotational symmetric ... -
Clinical evaluation towards the development of a lower limb exoskeleton for people with spinal cord injury: from gait biomechanics to motor learning
(Universitat Politècnica de Catalunya, 2023-07-21)
Doctoral thesis
Restricted access - confidentiality agreement(English) People with spinal cord injury (SCI) may suffer lifelong sequels that influence every aspect of their lives, including motor and/or sensory impairment, difficulty breathing and/or swallowing, bladder/bowel weakness, ... -
A virtual environment to evaluate and predict recovery of human hand motion post-stroke
(Universitat Politècnica de Catalunya, 2022-11-18)
Doctoral thesis
Open Access(English) The Action Research Arm Test (ARAT) is a measurement tool to assess post-stroke upper extremities motor function. However, ARAT scoring can be subjective and limited only to determining performance quality. ... -
Active flow control optimization on Selig Donovan 7003 airfoil
(Universitat Politècnica de Catalunya, 2023-06-16)
Doctoral thesis
Open Access(English) The PhD focuses on the study of the flow around an airfoil at different Angles of Attack (AoA) with and without the implementation of Active Flow Control (AFC), while maintaining the Reynolds number constant at ... -
Tool-part tribological interaction assessment for continuous deformation processes
(Universitat Politècnica de Catalunya, 2023-07-03)
Doctoral thesis
Open Access(English This dissertation is an experimental assessment of the tool-part tribological interaction of continuous deformation processes: ball burnishing as a superfinishing process and wire drawing as a bulk deformation ... -
Parametrització d'una bomba d'engranatges externs i validació en condicions reals
(Universitat Politècnica de Catalunya, 2023-03-31)
Doctoral thesis
Open Access(English) Pumps of positive volumetric displacement (PDVP) drive a volume of fluid from suction to discharge for each revolution of its shaft, called derived capacity, and therefore, in an ideal constant capacity pump the ...