Mechanical & Industrial Engineering: Recent submissions
Now showing items 421-440 of 1454
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AI and IoT-based concrete column base cover localization and degradation detection algorithm using deep learning techniques
( Ain Shams University , 2023 , Article)Internet of Things (IoT) and Artificial Intelligence (AI) technologies are currently replacing the traditional methods of handling buildings, infrastructure, and facilities design, control, and maintenance due to their ... -
Investigating the characteristics of a magnetorheological fluid damper through CFD modeling
( Institute of Physics Publishing , 2021 , Article)Computational Fluid Dynamics (CFD) analysis is conducted on mono-tube vehicle MRF damper investigated experimentally in a previous study. In this study, the fluid of the type MRF-132DG was inserted inside a damper of a car ... -
Using image processing techniques in computational mechanics
( Elsevier , 2023 , Article)The implementation methods of finite element analysis (FEA) have remained essentially unchanged since the inception of FEA in the 1960s. Alterations of any of the input or design parameters to the FEA model can potentially ... -
Hybrid fuzzy sliding mode for stick-slip suppression in drill string systems
( Korean Society of Mechanical Engineers , 2022 , Article)Stick-slip vibration is one of the main factors that contribute greatly to reducing the service life of drill string equipment and decreasing the efficiency of the overall drilling system. Thus, it would be very desirable ... -
Enhancing the damping effect of MRF damper using an external magnetic excitation system
( Institute of Physics Publishing , 2023 , Article)The magnetic field generated by the damper’s magnetic circuit governs the yield stress value of the Magnetroholgical Fluid (MRF) damper and hence its damping effect. This paper contributes to the literature on the development ... -
Experimental and numerical investigation of damping in a hybrid automotive damper combining viscous and multiple-impact mechanisms
( SAGE , 2022 , Article)One of the least investigated approaches in passive vibration control is the possibility of combining different types of dampers that use different damping principles. Such a combination process, if wisely designed and ... -
Calculating the response of waveguides to base excitation using the wave and finite element method
( SAGE , 2021 , Article)The prediction of the response of waveguides to time-harmonic base excitations has many applications in mechanical, aerospace and civil engineering. The response to base excitations can be obtained analytically for simple ... -
Design and efficiency evaluation of a new wearable device for multi-degree suppression of hand pathological tremor
( SAGE , 2023 , Article)Sufferers of onset upper limb tremors find difficulty performing daily tasks due to rapid involuntary movements. Traditional treatments being offered help alleviate symptoms but are costly and can be invasive. Wearable ... -
Fractional-order controllers for stick-slip vibration mitigation in oil well drill-strings
( SAGE , 2021 , Article)Drillstring–borehole interaction can produce severely damaging vibrations. An example is stick–slip vibration, which negatively affects drilling performance, tool integrity and completion time, and costs. Attempts to ... -
Towards a simplified technique for crack recognition in gearing systems
( Academie des sciences , 2022 , Article)This paper presents a simple and effective method to identify and quantify the existence of cracks in the teeth roots of spur gears. The problem was numerically analyzed through finite element-based simulation with SolidWorks ... -
Vibration of Periodic Drill-Strings with Local Sources of Resonance
( Multidisciplinary Digital Publishing Institute (MDPI) , 2021 , Article)A new class of drill-strings is proposed for attenuating undesirable vibrations to ensure effective operation. The drill-string is provided with passive periodic inserts, which are integrated with sources of local resonance ... -
Experimental Investigation of the Vibration Control of Nonrotating Periodic Drill Strings
( American Society of Mechanical Engineers , 2021 , Article)During the drilling process in oil and gas fields, slender drill strings often experience a multitude of complex and simultaneous vibrational phenomena. Drill string vibrations hinder the drilling process and can cause ... -
Cryptographic ransomware encryption detection: Survey
( Elsevier , 2023 , Article)The ransomware threat has loomed over our digital life since 1989. Criminals use this type of cyber attack to lock or encrypt victims' data, often coercing them to pay exorbitant amounts in ransom. The damage ransomware ... -
Influence of the shape and mass of a small robot when thrown to a dummy human head
( springer link , 2019 , Article)Social robots have shown some efficacy in assisting children with autism and are now being considered as assistive tools for therapy. The physical proximity of a small companion social robot could become a source of harm ... -
Influence of Reaction Time in the Emotional Response of a Companion Robot to a Child’s Aggressive Interaction
( springer link , 2020 , Article)The quality of a companion robot’s reaction is important to make it acceptable to the users and to sustain interactions. Furthermore, the robot’s reaction can be used to train socially acceptable behaviors and to develop ... -
Toward 3D Printed Prosthetic Hands that Can Satisfy Psychosocial Needs: Grasping Force Comparisons Between a Prosthetic Hand and Human Hands
( springer link , 2017 , Conference)The advancement in 3D printing technologies appears to be the key toward affordable and functional artificial limbs. The loss of an amputee’s capability to do functional tasks like grasping objects has an obvious effect ... -
Anthropomorphism and Its Negative Attitudes, Sociability, Animacy, Agency, and Disturbance Requirements for Social Robots: A Pilot Study
( springer link , 2021 , Conference)A social robot that meets the acceptability requirements of the target end-users presents a significant challenge to robot designers. The design process is often iterative and requires continuous improvements and optimization ... -
Influence of Visual and Haptic Feedback on the Detection of Threshold Forces in a Surgical Grasping Task
( IEEE Explore , 2021 , Article)Feedback from sensory modalities is crucial for the precise grasping of tissues during minimally invasive robotic surgery. The aims of the study are to determine the influence of visual and haptic feedback on the detection ... -
Safety experiments for small robots investigating the potential of soft materials in mitigating the harm to the head due to impacts
( springer link , 2019 , Article)There is a growing interest in social robots to be considered in the therapy of children with autism due to their effectiveness in improving the outcomes. However, children on the spectrum exhibit challenging behaviors ... -
Children Perceived Perception of a Mini-Humanoid Social Robot Based on a Psychometric Scale: A Pilot Study in Greece
( springer link , 2022 , Conference)There is a growing interest in the integration of social robots in different applications in our daily lives. However, it can be challenging to design a social robot that is perceived positively among the target end-users. ...