Santosha K. Dwivedy
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View article: Comparison of the Hydrodynamic Performance of Ten Underwater Vehicles by CFD Analysis
Comparison of the Hydrodynamic Performance of Ten Underwater Vehicles by CFD Analysis Open
The present work aims to determine the efficient hydrodynamic shape of an underwater vehicle with minimal energy consumption throughcomputational fluid dynamicsanalysis.The study examines five axisymmetric bow-stern shape combinations, viz…
View article: Glacial lakes outburst susceptibility and risk in the Eastern Himalayas using analytical hierarchy process and backpropagation neural network models
Glacial lakes outburst susceptibility and risk in the Eastern Himalayas using analytical hierarchy process and backpropagation neural network models Open
The Himalayan cryosphere is dynamic, and changing climate conditions threaten breach of glacial lakes. A number of glacial lake outburst floods (GLOFs) occurred in the Himalayas in the recent past, affecting people and infrastructures. Ass…
View article: 3D dynamics and control of a snake robot in uncertain underwater environment
3D dynamics and control of a snake robot in uncertain underwater environment Open
The snake robot can be used to monitor and maintain underwater structures and environments. The motion of a snake robot is achieved by lateral undulation which is called the gait pattern of the snake robot. The parameters of a gait pattern…
View article: Integrating Robust Gait Tracking Control and Variable Admittance Model for Pediatric Exoskeleton: An ‘Assist-as-Needed’ Framework
Integrating Robust Gait Tracking Control and Variable Admittance Model for Pediatric Exoskeleton: An ‘Assist-as-Needed’ Framework Open
Traditional passive-assist rehabilitation, using a fixed trajectory, often falls short in engaging patients with residual muscle strength, leading to substandard outcomes. This work proposes a novel 'assist-as-needed' control strategy for …
View article: Reversible 4d Printing Behavior of a Single-Layer Elastomer Strip Additively Manufactured from Smart Material Filaments (Smfs) Varying Ph and Thickness
Reversible 4d Printing Behavior of a Single-Layer Elastomer Strip Additively Manufactured from Smart Material Filaments (Smfs) Varying Ph and Thickness Open
View article: Assessment of Reaching Laws for Linear and Nonlinear Sliding Surfaces: Improving Performance of Pipe Crack Sealing Manipulator
Assessment of Reaching Laws for Linear and Nonlinear Sliding Surfaces: Improving Performance of Pipe Crack Sealing Manipulator Open
View article: Hierarchical Classification of Subject-Cooperative Control Strategies for Lower Limb Exoskeletons in Gait Rehabilitation: A Systematic Review
Hierarchical Classification of Subject-Cooperative Control Strategies for Lower Limb Exoskeletons in Gait Rehabilitation: A Systematic Review Open
Over the last decade, lower limb exoskeletons have seen significant development, with a particular focus on improving the interaction between the subject and the exoskeleton. This has been achieved by implementing advanced control strategi…
View article: A Review on the Development of Pneumatic Artificial Muscle Actuators: Force Model and Application
A Review on the Development of Pneumatic Artificial Muscle Actuators: Force Model and Application Open
Pneumatic artificial muscles (PAMs) are soft and flexible linear pneumatic actuators which produce human muscle like actuation. Due to these properties, the muscle actuators have an adaptable compliance for various robotic platforms as wel…
View article: Robust adaptive backstepping control for a lower-limb exoskeleton system with model uncertainties and external disturbances
Robust adaptive backstepping control for a lower-limb exoskeleton system with model uncertainties and external disturbances Open
The main purpose of this work is to design a robust adaptive backstepping (RABS) control strategy for a pediatric exoskeleton system during passive-assist gait rehabilitation. The nonlinear dynamics of the exoskeleton system have ill-effec…
View article: 3D Printed Housing Devices for Segregated Compartmental Delivery of Oral Fixed-Dose Anti-Tubercular Drugs Adopting Print and Fill Strategy
3D Printed Housing Devices for Segregated Compartmental Delivery of Oral Fixed-Dose Anti-Tubercular Drugs Adopting Print and Fill Strategy Open
World Health Organization (WHO) recommends the use of first-line anti-tuberculosis drugs, that is, rifampicin (RIF) and isoniazid (INH) fixed-dose combination (FDC) therapies in tuberculosis (TB) disease. The absorption of RIF from an FDC …
View article: Robust LQR-Based Neural-Fuzzy Tracking Control for a Lower Limb Exoskeleton System with Parametric Uncertainties and External Disturbances
Robust LQR-Based Neural-Fuzzy Tracking Control for a Lower Limb Exoskeleton System with Parametric Uncertainties and External Disturbances Open
The design of an accurate control scheme for a lower limb exoskeleton system has few challenges due to the uncertain dynamics and the unintended subject’s reflexes during gait rehabilitation. In this work, a robust linear quadratic regulat…
View article: Pneumatic Artificial Muscle Actuator Under Parametric and Hard Excitations
Pneumatic Artificial Muscle Actuator Under Parametric and Hard Excitations Open
In this work, a single degree of freedom system consisting of a mass and a Pneumatic Artificial Muscle (PAM) subjected to time varying pressure inside the muscle is considered. The system is subjected to hard excitation and the governing e…
View article: Reviewer's Recognition
Reviewer's Recognition Open
The Reviewers of the Year Award is given to reviewers who have made an outstanding contribution to the journal in terms of the quantity, quality, and turnaround time of reviews completed during the past 12 months. The prize includes a Wall…
View article: Active Vibration Absorber for Superharmonic Resonance Condition
Active Vibration Absorber for Superharmonic Resonance Condition Open
The present paper, analyses vibration suppression of a nonlinear single degree of freedom (SDOF) spring-mass-damper system under hard harmonic excitation by attaching a piezoelectric based active dynamic vibration absorber (ADVA). The host…
View article: AlexNet based Real-Time Detection and Segregation of Household Objects using Scorbot
AlexNet based Real-Time Detection and Segregation of Household Objects using Scorbot Open
In this paper, the pick and place task of household objects is accomplished using Scorbot-ER 5 Plus robotic arm. A monocular camera is utilized to detect the image of the objects. AlexNet based deep learning technique is devoted to determi…
View article: Advances in Rotor Dynamics, Control, and Structural Health Monitoring
Advances in Rotor Dynamics, Control, and Structural Health Monitoring Open
This book consists of selected and peer-reviewed papers presented at the 13th International Conference on Vibration Problems (ICOVP 2017). The topics covered in this book are broadly related to the fields of structural health monitoring, v…
View article: A Non-Linear Dynamic Model of Ionic Polymer-Metal Composite (IPMC) Cantilever Actuator
A Non-Linear Dynamic Model of Ionic Polymer-Metal Composite (IPMC) Cantilever Actuator Open
This work presents development of an effective non-linear mathematical model for dynamic analysis of Ionic polymer-metal composites (IPMCs) cantilever actuators undergoing large bending deformations under AC excitation voltages. As the IPM…
View article: Dynamic analysis of a parametrically excited golden Muga silk embedded pneumatic artificial muscle
Dynamic analysis of a parametrically excited golden Muga silk embedded pneumatic artificial muscle Open
In this work a novel pneumatic artificial muscle is fabricated using golden muga silk and silicon rubber. It is assumed that the muscle force is a quadratic function of pressure. Here a single degree of freedom system is considered where a…
View article: Theoretical and experimental investigation of parametrically excited piezoelectric energy harvester
Theoretical and experimental investigation of parametrically excited piezoelectric energy harvester Open
In the present work, a cantilever beam based piezoelectric energy harvester is investigated both theoretically and experimentally. The harvester is consists of a harmonically base excited vertical cantilever beam with a piezoelectric patch…
View article: Reinforcement Learning via Recurrent Convolutional Neural Networks
Reinforcement Learning via Recurrent Convolutional Neural Networks Open
Deep Reinforcement Learning has enabled the learning of policies for complex tasks in partially observable environments, without explicitly learning the underlying model of the tasks. While such model-free methods achieve considerable perf…
View article: Nonlinear Dynamics of Energy Harvester Based on Flow Induced Vibration
Nonlinear Dynamics of Energy Harvester Based on Flow Induced Vibration Open
In this present work, a vertical cantilever piezoelectric energy harvester is proposed that exploits wind energy for vibration. The vertical cantilever is attached with a torsional spring at the base and a tip mass. A square bluff body is …
View article: Dynamic Analysis of Piezoelectric Based Energy Harvester under Periodic Excitation
Dynamic Analysis of Piezoelectric Based Energy Harvester under Periodic Excitation Open
In the present work, a vertical cantilever beam fixed with a torsional spring at one end and a tip mass at free end is analyzed as an energy harvester using piezoelectric patch for super-harmonic resonance condition. This model is non-line…
View article: Linear and Nonlinear Analysis of Piezoelectric Based Vibration Absorber with Acceleration Feedback
Linear and Nonlinear Analysis of Piezoelectric Based Vibration Absorber with Acceleration Feedback Open
In the present paper, analysis of a single degree of freedom spring-mass-damper primary system with a piezoelectric based dynamic vibration absorber (DVA) is carried out. The proposed DVA model consisting of a lead zirconate titanate (PZT)…
View article: Nonlinear Dynamics of Axially Loaded Piezoelectric Energy Harvester
Nonlinear Dynamics of Axially Loaded Piezoelectric Energy Harvester Open
In the present work nonlinear dynamics of axially loaded energy harvester which is modeled as a fixed-guided beam with tip mass having piezoelectric patch has been investigated. The system is subjected to a base excitation and periodic axi…
View article: Dynamic Analysis of MRE Embedded Sandwich Plate Using FEM
Dynamic Analysis of MRE Embedded Sandwich Plate Using FEM Open
Magnetorheological elastomers (MRE) are class of smart materials, whose stiffness and damping characteristics can be changed by applying external magnetic field. In this work three layered rectangular plate is considered where top and bott…
View article: Preface
Preface Open