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Force control for one degree of freedom haptic device using PID Controller
Published 2019“…However, the devices come with multiple degrees of freedom (DOF), complex design and costly. Rehabilitation for hand movement such as grasping, squeezing, holding and pinching usually does not need an expensive and complex device. …”
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An automatic traffic cones dispenser and collector system
Published 2014“…The development of the robot arm which is five degree of freedom is the most important part in this project in order to make this system become an automatic system. …”
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Full body harness
Published 2020“…The harness serves two purposes, first, distributing fall forces safely across a worker's body in the event of a free fall, and second, providing freedom of movement sufficient to allow the worker to effectively perform his or her job. …”
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Statistics of retirement age around the world
Published 2019“…Most people spend their adult years in the workhour so retirement represents freedom and rest. Retirement ages, or the age when some sort of government pension can be received, differs around the world. …”
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Optimal routh-hurwitz conditions and picard’s successive approximation method for system of fractional differential equations
Published 2022“…Fractional calculusisabranchofmathematicalanalysisinvestigatingthederivatives and integralsofarbitraryorder.Fractionalcalculushasawideapplicationsincemany realistic phenomenaaredefinedinfractionalorderderivativeandintegral.Moreover, fractional differentialequationsprovideanexcellentframeworkfordiscussingthe possibility ofunlimitedmemoryandhereditaryproperties,consideringmoredegrees of freedom.Inthisthesis,thestabilitycriteriaofthefractionalShimizu-Morioka system andfractionaloceancirculationmodelinthesenseofCaputoderivative are developedanalyticallyusingoptimalRouth-Hurwitzconditions.Hence,Routh- Hurwitz conditionsforcubicandquadraticpolynomialsarepresented.Theadvantage of Routh-Hurwitzconditionsisthattheyallowonetoobtainstabilityconditions without solvingthefractionaldifferentialequations.Inthiscase,wefindthecritical range foradjustablecontrolparameterandfractionalorder �, whichconcludesthat the equilibriaofsystemsarelocallyasymptoticallystable.Aftermath,thenumerical results arepresentedtosupportourtheoreticalconclusionsusingtheAdams-type predictor-correctormethod.Ontheotherhand,wederivetheanalyticalsolutionfor the inhomogeneoussystemofdifferentialequationswithincommensuratefractional order 1 < �;�< 2, wherethefractionalorders � and � are uniqueandindependent of eachother.ThesystemsarefirstwritteninVolterraintegralequationsofthesecond kind. …”
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A carnivorous plant algorithm for solving global optimization problems
Published 2021“…The applicability of the CPA was further examined on mechanical engineering design problems and a real-world challenging application of controlling the orientation of a five degree-of-freedom robotic arm. Experimental simulations demonstrated the supremacy of the CPA in solving global optimization problems.…”
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Control of A 2 D.O.F direct drive robot arm using integral sliding mode control
Published 2004“…This thesis is concerned with the problems of modelling and control of a 2 degree of freedom direct drive arm. The research work is undertaken in the following five developmental stages; Firstly, the complete mathematical model of a 2 DOF direct drive robot arm including the dynamics of the brushless DC motors actuators in the state variable form is to be developed. …”
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Reducing Actuators in Soft Continuum Robots and Manipulators
Published 2023“…The method presents a new design approach involving one rotary and two linear actuators, providing three degrees of freedom (DOF) and a volumetric workspace. The result of applying the transformation is a 50–86% reduction in the total number of actuators typically em‐ ployed by multi‐segment SCRaMs. …”
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Reducing Actuators in Soft Continuum Robots and Manipulators
Published 2023“…The method presents a new design approach involving one rotary and two linear actuators, providing three degrees of freedom (DOF) and a volumetric workspace. The result of applying the transformation is a 50–86% reduction in the total number of actuators typically em‐ ployed by multi‐segment SCRaMs. …”
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A Low Cost of an Exoskeleton Finger for Stroke Patient
Published 2024“…Both exoskeleton finger variations comprise three degrees of freedom (DOF), three links, and two joints. The findings show that the exoskeleton finger's ability to effectively maneuver a paralyzed finger into different positions as commanded, facilitating the rehabilitation process. …”
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Quadrotor stability using PID
Published 2013“…There are six degrees of freedom – translational and rotational parameters. …”
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Control design and simulation of an underwater vehicle
Published 2011“…In this thesis, a simulation package for the Six Degrees of Freedom (6DOF) motion of an underwater vehicle is developed. …”
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Nonlinear finite element analysis of integral bridge including foundation soil interaction (wrinkler analogy)
Published 2006“…The superstructure members have been represented by means of three-noded isoperimetric beam elements with three degree of freedom per node which take into account the effect of transverse shear deformation. …”
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Robotic arm system with computer vision for colour object Sorting
Published 2018“…Then, the design of five-degrees of freedom (5-DOF) robotic arm is introduced, followed by the explanation of the image proc-essing technique used to recognize the objects with different colours and obstacle detection. …”
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The impact of time management on students’ academic achievement
Published 2018“…In addition, a university environment's flexibility and freedom can derail students who have not mastered time management skills. …”
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Anti - swing control strategy for automatic 3 dof crane system using FLC
Published 2008“…The 3 Degree-of-Freedom (DOF) crane represents one of the most widely deployed real-world platforms in the world today. …”
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The application of combined momentum and blade element theory for aerodynamics performance analysis of rotating blades
Published 2011“…In this thesis, a simulation package for the Six Degrees of Freedom (6DOF ) motion of an underwater vehicle is developed. …”
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IoT based dual axis solar tracker implementation for polycrystalline photovoltaic with energy storage
Published 2020“…This project has been identified as IoT Based Dual Axis Solar Tracker Implementation for Polycrystalline Photovoltaic with Energy Storage that has two degrees of freedom that act as axes of rotation, both horizontal and vertical. …”
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Development of self balancing platform on mobile robot using PID controller
Published 2013“…An Arduino microcontroller, hobby grade servos, and a two-degree of freedom (axis) accelerometer and gyroscope have been used to create the controlled platform. …”
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Thesis