Author

Relly Victoria Virgil Petrescu

Department of Transportation, Traffic and Logistics, Bucharest Polytechnic University, Bucharest, Romania

106 articles in our journals

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Research ArticleOpen accessContributions to the Hydrogen FusionRelly Victoria Virgil Petrescu, Florian Ion Tiberiu PetrescuThe 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 theoretical considerations modeled so that it can then help experimentally to put into practice the nuclear fusion of hydrogen, in … …American Journal of Engineering and Applied Sciences, Vol. 13, Issue 3 · 28 Aug 2020 · 6,784 accessesView PDF Cite

Review ArticleOpen accessAbout Supersonic Flight and Mach 3 FlyingRelly Victoria Virgil PetrescuAerospace-BAC Concorde was a supersonic passenger aircraft. It was the result of a government treaty between the French and British governments, combining the efforts of Aerospace and British Aircraft Corporation. With only 20 aircraft built in total, the cost of the development phase was a major economic failure. In addition, Air France and British Airways were subsidized by the government … …American Journal of Engineering and Applied Sciences, Vol. 13, Issue 3 · 28 Aug 2020 · 8,926 accessesView PDF Cite

Research ArticleOpen accessInteraction between an Electron and a Quark DownRelly Victoria Virgil Petrescu, Florian Ion Tiberiu PetrescuThe paper briefly studies the interaction between an electron and a down quark, considered integrated within a proton. It is therefore assumed that there is a down quark within a proton in which there are also two quarks up and an accelerated electron capable of penetrating the down quark inside the proton, in extremely difficult conditions in which the proton … …American Journal of Engineering and Applied Sciences, Vol. 13, Issue 3 · 28 Aug 2020 · 6,954 accessesView PDF Cite

Review ArticleOpen accessMechatronic Systems to the Braking MechanismsRelly Victoria Virgil PetrescuWith the evolution of technology, the construction and geometry of the piston, together with the materials from which it is made, as well as the related manufacturing technologies, have been continuously improved. Thus, modern engines have become less polluting, working at higher temperatures and pressures. Body aerodynamics have been improved, leading to lower resistance forces from the air. Also, the … …Journal of Mechatronics and Robotics, Vol. 4, Issue 1 · 18 Aug 2020 · 6,954 accessesView PDF Cite

Review ArticleOpen accessNanoboticsRelly Victoria Virgil PetrescuNanobotics (or Nanorobotics) is a field of emerging technology that deals with the creation of robots whose components are typically the size of a molecule or nanometer (10-9 meters). More specifically, nanorobotics refers to nanotechnology, an engineering discipline that designs and builds nanorobots that have movement, processing and transmission characteristics, program execution, etc. Nanomachines are largely in the research and … …Journal of Mechatronics and Robotics, Vol. 4, Issue 1 · 19 Jul 2020 · 7,783 accessesView PDF Cite

Research ArticleOpen accessPresents the Kinematics of a Manipulator with Three MobilitiesRelly Victoria Virgil PetrescuThe paper briefly presents the kinematic study of a manipulator with three mobilities, which can be used both in industrial halls and in garages, depending on its suitably chosen constructive size, which at smaller dimensions can be handled very easily. This manipulator can carry large loads, thus easing the work of the human being and preventing it from major dangers … …Journal of Mechatronics and Robotics, Vol. 4, Issue 1 · 30 May 2020 · 6,262 accessesView PDF Cite

Review ArticleOpen accessAbout GatewayRelly Victoria Virgil Petrescu, Florian Ion Tiberiu PetrescuAfter several postponements or even giving up, NASA finally decided to prepare and launch the long-delayed Moon space station Gateway, which had to be postponed for financial, technical reasons, but also for reasons and calculations about the possibility of assembling it in space and the way of transporting the main components in space, the main problem being the rockets capable … …Journal of Aircraft and Spacecraft Technology, Vol. 4, Issue 1 · 24 May 2020 · 6,205 accessesView PDF Cite

Research ArticleOpen accessKinematic and Dynamic Analysis of a Classic, Three-Axis Manual Gearbox, Without a Direct SocketRelly Victoria Virgil Petrescu, Florian Ion Tiberiu PetrescuFixed 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 electro technical equipment, in the heavy industry but also in the light industry, in energy and in transport, practically the transmissions with fixed axes … …American Journal of Engineering and Applied Sciences, Vol. 13, Issue 2 · 24 May 2020 · 7,673 accessesView PDF Cite

Research ArticleOpen accessPresents the Kinematics and Forces at a Basic Anthropomorphic RobotRelly Victoria Virgil PetrescuThe basic structure of the anthropomorphic robots used today massively in 80-90% cases from the industrial robots will be presented briefly, with the highlighting of an original method for determining the kinematics of the basic 3R module and with highlighting the forces at the basic structure set in the discussion. Some representative examples of calculation will be remembered as results. … …Journal of Mechatronics and Robotics, Vol. 4, Issue 1 · 14 May 2020 · 6,307 accessesView PDF Cite

Research ArticleOpen accessPresents the Dynamics at a Basic Anthropomorphic RobotRelly Victoria Virgil Petrescu, Florian Ion Tiberiu PetrescuSerial 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 industrial robots existing worldwide. One studied the kinematics and the forces in this module in other works, with an … …American Journal of Engineering and Applied Sciences, Vol. 13, Issue 2 · 5 May 2020 · 7,178 accessesView PDF Cite