Browsing Mechanical Engineering by Title
Now showing items 72-91 of 465
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Controlling germanium CMP selectivity through slurry mediation by surface active agents
(The Electrochemical Society, 2015-08-10)New developments and device performance requirements in microelectronics industry add to the challenges in chemical mechanical planarization (CMP) process. One of the recently introduced materials to semiconductor manufacturing ... -
A coupled material removal model for chemical mechanical polishing processes
(IOP Publishing, 2021-10-01)Chemical mechanical polishing (CMP) is a process used to obtain planarized surfaces in microelectronic device manufacturing. The planarization is achieved by material removal from the wafer surface by synergistic effect ... -
Coupling of near-field thermal radiative heating and phonon Monte Carlo simulation: Assessment of temperature gradient in n-doped silicon thin film
(Elsevier, 2014-08)Near-field thermal radiative exchange between two objects is typically more effective than the far-field thermal radiative exchange as the heat flux can increase up to several orders higher in magnitudes due to tunneling ... -
Credible intervals for nanoparticle characteristics
(Elsevier, 2012-01)Solving the inverse problem of nanoparticle characterization has the potential to advance science and benefit society. While considerable progress has been made within a framework based on the scattering of surface ... -
Critical review of the factors dominating the fracture toughness of CNT reinforced polymer composites
(IOP Publishing, 2019-01)In this study, the main factors, which have substantial influence on fracture toughness of carbon nanotubes (CNTs)-based composites both at nano and macro scales, are discussed in detail. Based on the findings from the ... -
A critical review on the junction temperature measurement of light emitting diodes
(MDPI, 2022-10)In the new age of illumination, light emitting diodes (LEDs) have been proven to be the most efficient alternative to conventional light sources. Yet, in comparison to other lighting systems, LEDs operate at low temperatures ... -
A custom brace design to connect a user limb to an exoskeleton link with minimal discomfort
(IEEE, 2021)Exoskeletons are increasingly helping people with different applications. Regardless of what they were built for, exoskeletons have a common discomfort problem from the misalignment of robot and human joints. In this paper, ... -
Cyclic deformation response of ultra-fine grained titanium at elevated temperatures
(Elsevier, 2019-05)This study focuses on the high-temperature cyclic deformation response (CDR) of ultra-fine grained (UFG) titanium of commercial purity (grade 4) processed via equal channel angular extrusion as a severe plastic deformation ... -
Dependent absorption and scattering by interacting nanoparticles
(Begell House Inc., 2010)Dependent light scattering and absorption patterns of metallic nano-sized particles in interaction with other spherical and cone-like structures were investigated. The numerical solution of the light scattering problem was ... -
Derivation of generalized Camassa-Holm equations from Boussinesq-type equations
(Informa Group, 2016)In this paper we derive generalized forms of the Camassa-Holm (CH) equation from a Boussinesq-type equation using a two-parameter asymptotic expansion based on two small parameters characterizing nonlinear and dispersive ... -
Design and control of a novel variable stiffness series elastic actuator
(IEEE, 2023-06)This article expounds the design and control of a new variable stiffness series elastic actuator (VSSEA). It is established by employing a modular mechanical design approach that allows us to effectively optimize the ... -
Design and development of a durable series elastic actuator with an optimized spring topology
(Sage, 2021-12)This paper aims to present the integrated design, development, and testing procedures for a state-of-the-art torsion-based series elastic actuator that could be reliably employed for long-term use in force-controlled robot ... -
Design and development of a powered upper limb exoskeleton with high payload capacity for industrial operations
(IEEE, 2020-09)This study presents the hardware development and low level controller structure of an upper-body exoskeleton that is equipped with high torque-to-weight ratio actuators. It is intended to be used in industrial applications. ... -
Design and development of a torsion-based series elastic actuator with nested encoders for a wearable exoskeleton robot
(IEEE, 2022)This paper presents the design of a high torque-to-mass ratio series elastic actuator (SEA) for wearable powered exoskeletons. Nonbackdrivable actuators are ideal for applications that require high torque. Commonly, active ... -
Design and fabrication of a robotic tactile device for abdominal palpation
(IEEE, 2014)Palpation can be used as a manual technique for detecting normal and abnormal tissues. According to the recent applications of the robotic and control systems in medical fields, the design and fabrication of a device capable ... -
Design and kinematics of a 5-DOF parallel robot for beating heart surgery
(IEEE, 2019)In this paper, mechanical and electronics design of a lightweight 5-DOF robot, Ozyegin Surgery Robot I (OSI), and it's performance of tracking the heart motion for coronary artery bypass procedure (CABG) are presented. The ... -
Design and modeling of a parallel robot for ultrasound guided percutaneous needle interventions
(IEEE, 2015)Necessity of precise positioning in percutaneous needle operations enables robotic systems to take part in medical procedures. Researches that have been done until today showed robotic systems increase the accuracy of ... -
A design and optimization method for matching the torque of the wind turbines
(AIP Publishing, 2015)An aerodynamic shape optimization method for a horizontal axis wind turbine is developed and verified through experimentation with a laboratory-scale wind turbine. Our method is based on matching the rotor's and the coupled ... -
Design of a parallel robot for needle-based interventions on small animals
(IEEE, 2013-02)In this paper, a novel 5-degrees-of-freedom robot for performing needle-based interventions on small animal subjects is presented. The robot can realize dexterous alignment of the needle using two parallel mechanisms, and ... -
Design of a solenoid based prototype injector for evaluation of electromagnetic parameters
(IEEE, 2019)Injector is a pump and valve mechanism, that sprays liquid intermittently to intended volume. In this research, evaluation of the electromagnetic properties of a solenoid actuator used in the prototype injector systems has ...
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