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This paper deals with virtual reality in context of Industry 4.0 projects. Due to sufficient computing power, virtual reality allows visualization of virtual objects in both professional and public spheres. With virtual reality, solving complex projects has become much easier, especially of those based on Industry 4.0 standards. Industry 4.0 projects require connection between all systems of modern...
Wire electrical discharge machining (WEDM) is an unconventional technology of machining that applies physical principles for material removal. To ensure efficient machining, it is appropriate to have the cutting speed as high as possible; however, the quality of the surface to be machined shall also be taken into account. Since the cutting speed cannot be directly set on the machine, but depends on...
Finishing technologies of machining such as grinding or wire electrical discharge machining (WEDM) represent the most frequently used applications when mechanical engineering components that are subject to high requirements for the accuracy of shapes and dimensions as well as quality of machined areas. The study was focused on the evaluation of the machined surface contamination due to grinding and...
Low pressure sewer systems (LPSS) have been used much less time than conventional gravity and therefore there is less experience with their design and operation. Current knowledge about the pressure sewerage system is gradually summarized and verified, e.g. its detailed overview is described in reports of research project of the Technology Agency of the Czech Republic titled “Smart pressure sewerage...
Wire electrical discharge machining (WEDM) is an unconventional technology of machining that applies physical principles to material removal. The morphology of WEDM surface is characterized by a great number of craters caused by electrical discharges occurring during the process of cutting. The study deals with the evaluation of surface morphology of titanium alloy Ti-6Al-4V after WEDM as well as...
This contribution presents an efficient approach to design of speed controller for fuel pump. The fuel pump is used for two-shaft turbine engine concept with reducer driven by a free turbine. Controlling the amount of fuel injection into the combustion chamber is based on the speed control of the fuel pump which is controlled by the engine control unit according to the desired power mode. The resulting...
Mechatronics as an interdisciplinary field, which combines knowledge from multiple fields uses a comprehensive approach in the design of any technical object. It combines the requirements and their integration into all subsystems of the technical object. This approach, which is described by the VDI 2006 norm, can generally be used in the suggestion of regulation for the pressure pipe networks.
Motion of charged matter in gravitational and large-scale magnetic fields represents one of the most discussed topics in astrophysics. Here, one of the particular problems is addressed: the spiral motion of charged test particles as a possible mechanism for generation of weak toroidal magnetic field (magnetic loop) complementary to the prescribed large-scale one. To this aim, by contrast with the...
The article proposes educational example of applied mechatronics at Brno University of Technology, Faculty of Mechanical Engineering. The example is based on design of the delta robot with mounted camera for the image recognition (via particle swarm optimization) and its cataloging. The example is divided into several tasks including the constructional design, kinematics analysis, control and image...
The present paper deals with control of system consists surge tank, pump a and pipeline. Model of this system is based on hydro-electrical analogy. For purpose of control it is designed a regulator with estimator. Regulator is developed by pole-placement method. Numerical solutions of this model are presented at the end of this article.
This paper deals with a three-phase inverter controller design for monobloc configuration of small swirl turbine. The aim is an phasing of the system to grid. A simulation design is described which leads to cascade controller with simple structure: lower loop is used for amplitude control and upper loop for phase control. First the highly nonlinear detailed three-phase inverter with switching components...
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