图书简介
This book presents the latest research advances relating to machines and mechanisms. Featuring papers from the XIII International Conference on the Theory of Machines and Mechanisms (TMM 2020), held in Liberec, Czech Republic, on September 7-9, 2021, it includes a selection of the most important new results and developments. The book is divided into five parts, representing a well-balanced overview, and spanning the general theory of machines and mechanisms, through analysis and synthesis of planar and spatial mechanisms, linkages and cams, robots and manipulators, dynamics of machines and mechanisms, rotor dynamics, computational mechanics, vibration and noise in machines, optimization of mechanisms and machines, mechanisms of textile machines, mechatronics and control and monitoring systems of machines. This conference is traditionally held every four years under the auspices of the international organisation IFToMM and the Czech Society for Mechanics.
Experiences in leadership IFToMM: achievements and challenges.- Minimization of Shaking Moment in Fully Force Balanced Planar Four-bar Linkages.- MLP Neural Network for a Kinematic Control of a Redundant Planar Manipulator.- Determination of Tooth Profile Curves of Variable Rack and Pinion Gears.- Tibial Motion Accuracy Using Circular Versus Noncircular Gears in Transfemoral Prosthetic Knees.- Curvature Interference Characteristic of Plane Worm Gear in Offsetting Cylindrical Worm Drive.- Equivalent Contact Length of Load Disks and Specimen.- Vibration Reduction of a Steam Turbine Wheel by Means of Intentional Mistuning.- Unsteady Resonant Oscillations of a Gyroscopic Rigid Rotor with Non-linear Damping and Non-linear Rigidity of the Elastic Support.- Modeling of Nonlinear Dynamics of Planar Mechanisms with Elastic and Flexible Pre-Stressed Elements.- Modeling the Separation Process in Vertical Rotor Systems.- Analysis of the Stress-Strain State of Rotating Drill Strings with a Drilling Mud.- Applications of the Modular Modelling Methodology to the Dynamic Analysis of Parallel Manipulators with Common Subsystems.- Tuning the dynamics of bistable mechanisms by introducing travel limits.- Simulation Analysis of a Motorcycle with Passive, Idealized Semi-active and Active Suspension Systems.- Computational Analysis of Cracks in Hardfacings of Wedges of Quick-Acting Main Steam Isolation Valves.- A study on stress relaxation behavior of isotropic magnetorheological elastomeric composite.- A simulation stand for human limb movements during Nordic Walking.- Vibration of a Rigid Vertical Rotor Supported by a Shear Radial Magnetic Bearing.- Determination of the workspace of the system based on the 3-PRRR mechanism for the lower limb rehabilitation.- Improvement of the robotic workplace to prevent a collision.- Object Picking by a Method Combined Cascade Classifier and Deep Reinforcement Learning.- Unconventional Method of Robotic Machining.- Development of a wearable assistive robot for baggage-loading operations.- Prototype and Testing of L-CaPaMan.- Screw thread measurement by camera inspection system.- Reliability analysis of rotary table over the lifetime.- Failure and Risk Analysis based on Maintenance Reports of Machines Components in Manufacturing Industry.- Modal properties of the heald frame of a weaving loom.- Measurement, Evaluation and Comparison of Behavior of Linear SGT Motor with Oscillating Mass.- Verification of Mathematical Model of Mechanical System of Needle Bar using Laser Doppler Vibrometer.- Detection of Rabbit Skins for Robotic Handling.- Detection of Rabbit Skins for Robotic Handling.- Simulation and Experimental Validation of Stable Multiple-Ballooning in Nanofibrous Yarn Production.- Optimization of the batten of the weaving loom DIFA.
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