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View article: Lagrange II Dynamics and that of Forces Exemplified on a Basic Robot, 2 DoF
Lagrange II Dynamics and that of Forces Exemplified on a Basic Robot, 2 DoF Open
The paper presents two dynamic methods applied to a basic articulated robot, 2 DoF, the first being an original adaptation of the type II Lagrange equations and the second being a dynamic method based on the influence of the forces in the …
View article: The Study of the Dynamics of a Basic DoF Robot
The Study of the Dynamics of a Basic DoF Robot Open
The paper presents the study of the dynamics of a general DoF robot, highlighting some important new aspects in the dynamic design of a certain DoF robot. An improved method of positioning the robot in inverse kinematics is presented, then…
View article: Somethings About Biological Prostheses
Somethings About Biological Prostheses Open
Finite element models of the female biofidel were developed using a specific combination of segmentation with computed tomography and solid modeling tools capable of representing bone physiology and structural behavior. This biofidel finit…
View article: The Study of the Dynamics of a Basic DoF Robot
The Study of the Dynamics of a Basic DoF Robot Open
The paper presents the study of the dynamics of a general DoF robot, highlighting some important new aspects in the dynamic design of a certain DoF robot. An improved method of positioning the robot in inverse kinematics is presented, then…
View article: The Study of the Dynamics of a Cebâşev Manipulator
The Study of the Dynamics of a Cebâşev Manipulator Open
The paper presents a new method for determining the dynamic parameters of a CebâÅev conveyor mechanism, solvable in two steps. In the first step, the classic method of preserving the kinetic energy of the entire mechanism is used to…
View article: Bone modeling for customized hybrid biological prostheses development
Bone modeling for customized hybrid biological prostheses development Open
Faithful modeling of the femur accounting for bone distribution and material orthotropic behavior is presented. In this study, a biofidel femur Finite Element Model (FEM) has been developed from Computerized Tomography (CT) scans using a s…
View article: Stromatolites - A life form that has witnessed the entire evolution of our planet
Stromatolites - A life form that has witnessed the entire evolution of our planet Open
Life on Earth was born at least 3.7 billion years ago, but since then the number of living things has grown exponentially. Surprisingly, some of the earliest life forms on our planet still exist and not just in fossilized form - stromatoli…
View article: The current stage in aerospace at the end of 2020
The current stage in aerospace at the end of 2020 Open
The paper briefly presents some models of aircraft considered avant-garde in 2020, and it is part of the reviews on news in aviation and aerospace. It briefly presents some basic features, news, and more important data for each new model o…
View article: Healthy lungs maintain a young and energetic body
Healthy lungs maintain a young and energetic body Open
In general, life is only possible in the presence of oxygen in a form that can be easily absorbed by the body. In the case of humans, the lungs have as their main task the provision of the oxygen necessary for the body to carry out daily a…
View article: About biological hip joint prostheses and the biomechanical behavior of implanted femur
About biological hip joint prostheses and the biomechanical behavior of implanted femur Open
Biofidel femur Models with finite elements were developed using a specific segmentation combination with computed tomography and solid modeling tools capable of representing bone physiology and structural behavior. These biofidel Finite El…
View article: Direct kinematics of a manipulator with three mobilities
Direct kinematics of a manipulator with three mobilities Open
In the industrial halls it is often necessary to handle large objects, with a large and large table, which have to be transported not over long distances but moved from one place to another, raised, then lowered to various levels, left or …
View article: Elaboration of opportunity study necessary to provide public transport services on the administrative territory of the municipality Tîrgu-Mureş
Elaboration of opportunity study necessary to provide public transport services on the administrative territory of the municipality Tîrgu-Mureş Open
This study presents and processes briefly the defining elements that characterize the system and the public transport service of TÎRGU-MUREŞ Municipality in 2015. The first contact with the "Târgu-Mureş" entity can only be achieved through…
View article: Biomechanically Tunable Nano-Silica/P-HEMA Structural Hydrogels for Bone Scaffolding
Biomechanically Tunable Nano-Silica/P-HEMA Structural Hydrogels for Bone Scaffolding Open
Innovative tissue engineering biomimetic hydrogels based on hydrophilic polymers have been investigated for their physical and mechanical properties. 5% to 25% by volume loading PHEMA-nanosilica glassy hybrid samples were equilibrated at 3…
View article: One can Achieve the Nuclear Fission Reaction of Lithium by Accelerated Hydrogen Nuclei or Neutrons
One can Achieve the Nuclear Fission Reaction of Lithium by Accelerated Hydrogen Nuclei or Neutrons Open
The idea circulated among physicists that in the upper area of the physical elements the fission reaction can be obtained and in the lower one the fusion reaction occurs. In the presented paper we want to impose another rule, namely the ob…
View article: News in Bone Modeling for Customized Hybrid Biological Prostheses Development
News in Bone Modeling for Customized Hybrid Biological Prostheses Development Open
The complex biomechanics and morphologies of the femur proximal epiphysis are presented. The nature and fine morphology of the femur head and its structural behavior have been investigated. Isotropic and orthotropic trabecular structures h…
View article: Some Aspects of Modern Drones
Some Aspects of Modern Drones Open
Today drones have become so important that everyday life can no longer be conceived without them. The paper wishes to present some essential aspects regarding modern drones, their capabilities and their uses. Drones and minnies drones have…
View article: Log Replication in Raft vs Kafka
Log Replication in Raft vs Kafka Open
The implementation of a fault-tolerant system requires some type of consensus algorithm for correct operation. From Paxos to View-stamped Replication and Raft multiple algorithms have been developed to handle this problem. This paper prese…
View article: Two methods to create free energy
Two methods to create free energy Open
Today, the best way to get free energy is nuclear, through fission, and hopefully soon through fusion. The best way to get clean and friendly energy in a sustainable way remains the start of the nuclear fusion reaction at an industrial sca…
View article: Interaction Between an Accelerated Electron and a Quark up to Transform the Quark up into a Down Quark, so that the Proton Practically Becomes a Neutron
Interaction Between an Accelerated Electron and a Quark up to Transform the Quark up into a Down Quark, so that the Proton Practically Becomes a Neutron Open
The paper briefly examines the possibility of transforming a proton into a neutron, by introducing an accelerated electron inside the proton, in order to penetrate it into one of the two up quarks in order to transform it into a down quark…
View article: Contributions to the Hydrogen Fusion
Contributions to the Hydrogen Fusion Open
The issue of hydrogen fusion is an important one because once done it will generate enough energy for humanity, which is why the paper addresses some new ideas in this important but also necessary field. Attempts are made to make theoretic…
View article: Trabecular prostheses
Trabecular prostheses Open
The complex biomechanics and morphology of the femur proximal epiphysis are presented. This specific region in the human femur is characterized by high flexibility compared to that of other primates, since evolved lighter and longer due to…
View article: Biologically structured materials
Biologically structured materials Open
Biomimetics, biomechanics, and tissue engineering are three multidisciplinary fields that have been contemplated in this research to attain the objective of improving prosthetic implants reliability. Since testing and mathematical methods …
View article: New natural antioxidants
New natural antioxidants Open
Antioxidants are, no doubt, an essential part of an optimal health and even traditional doctors support the importance of an appropriate contribution of antioxidants taken through food. Antioxidants are a category of molecules able to inhi…
View article: About the internal combustion engines forces
About the internal combustion engines forces Open
The paper presents an algorithm to set the parameters of the dynamics of the classic mechanism the main of internal combustion. It shows the distribution of the forces (on the main mechanism of the engine) on engines with internal combusti…
View article: Kinematic and Dynamic Analysis of a Classic, Three-Axis Manual Gearbox, Without a Direct Socket
Kinematic and Dynamic Analysis of a Classic, Three-Axis Manual Gearbox, Without a Direct Socket Open
Fixed axis mechanical transmissions today have the largest spread on the entire planet, being practically used in almost all areas. From the gearboxes of the vehicles to the stationary reducers, used in the electrical, electronic and elect…
View article: Presents the Dynamics at a Basic Anthropomorphic Robot
Presents the Dynamics at a Basic Anthropomorphic Robot Open
Serial robots are the most used today and among them, the most common is the basic 3R module, the module that is developed in the vast majority of anthropomorphic serial industrial robots, which today occupies at least 80-90% of the total …
View article: Presents Some Biologically Structured Materials
Presents Some Biologically Structured Materials Open
In this paper bio-tissue, mathematical modeling serves as a central repository to interface design, simulation and tissue fabrication. Finite element computer analyses will be used to study the role of local tissue mechanics on endochondra…
View article: Some dynamic models of rigid memory mechanisms
Some dynamic models of rigid memory mechanisms Open
Rigid memory mechanisms have played an important role in the history of mankind, contributing greatly to the industrial, economic, social changes in society, thus leading to a real evolution of mankind. Used in automated tissue wars, in ca…
View article: An algorithm to solve the inverse kinematics to a stewart platform
An algorithm to solve the inverse kinematics to a stewart platform Open
Mechanical systems in motion type parallel structures are solid, fast and accurate. Between mobile systems parallel the best known and used system is that of a Stewart platform, as being and the oldest system, quickly, solid and accurate. …
View article: About Aircraft's New Power and Propulsion
About Aircraft's New Power and Propulsion Open
Even though the current classical methods of aerospace propulsion are much improved, some of the most modern methods have already been introduced, including propulsion with electric motors. Energy can be obtained from hydrogen burners, hon…