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Low power electrical machines
Martinek, Radek ; Mach, Martin (referee) ; Hájek, Vítězslav (advisor)
The master’s thesis introduces various types of electric motors. Overall, it is divided into 6 chapters, which the first deals with special type of electric motors, namely: permanent magnet DC motor with coreless winding, piezoelectric motor and three phase induction motor with solid rotor. For all of these motors are introduced principles, types, advantages, disadvantages and applications. The second part of thesis deals with perspective types of motors, namely: single phase induction motor and reluctance motor. For all of these motors are introduced principles, types, advantages, disadvantages and applications. The third chapter deals with analysis parameters of single phase induction motor. The analysis is performed on a borrowed motor from ATAS company by measurement and verification using simulation program Ansys Maxwell. The fourth part discusses the possibilities of increasing the effectiveness of borrowed electric motor. The following is chapter five, which deals with increasing the efficiency of the motor by changing metal sheets. Results are verified by simulations with Ansys Maxwell and measurements on sample of electric motor. The last part presents electric motor design with new selected electric sheets with lower specific losses, but also with lower magnetic induction.
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Electric microdrive with ultrasonic motor
Peřina, Martin ; Feiler, Zdeněk (referee) ; Koláčný, Josef (advisor)
This thesis is focused on selected kinds of piezoengines and their ability to control and follows the separate semester project. It mainly deals with technnology called Piezo LEGS and Piezowaves. Attention is paid to their structure, principles, parameters, characteristics, but also to field of their application. Next section is laboratory measurement of those species of piezoengines (demo-kits). At the end thesis contains three laboratory task, each type of engine is dedicated toone task. The contents of the work is focused on innovation activities in the learning process.
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Micropump for Medicamentous Therapy
Ondrák, Tomáš ; Brandštetter,, Pavel (referee) ; Pochylý,, František (referee) ; Koláčný, Josef (advisor)
This doctoral thesis originated as a requirement of micropump for artificial heart with using a suitable type of electric drive. It is an interdisciplinary cooperation of FSI Brno, Department of Fluid Engineering of Viktor Kaplan, FEKT Brno, Department of Power Electronics and finally the doctors from Cardiology Medical Center in St. Ann’s Hospital. FSI Brno made mechanical solutions of micropump, FEKT Brno solved electric drive and Cardiologic Medical Center gave the knowledge of human anatomy. Work deals with design, creation and testing of various types micropumps for medicamentous using. In this thesis was suggested various solutions of electric drive for micropump, its structure and function. Work is primarily experimental in nature and is heavily supported by a creative approach in creating a variety of proposed solutions. Several proposals of micropump have been made with different types of electric drives (DC motors, hybrid stepper motor, piezomotors). Finally, from the technical and economical point of view was chosen the most suitable type of electric drive and it was created a functional prototype of the double-action pump and its properties were tested.
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Piezomotor control
Robotka, Jan ; Richter, Miloslav (referee) ; Macho, Tomáš (advisor)
This thesis aims to propose and implement a control system for a new type of piezomotor with the action elements of MPA for the purpose of measuring characteristics of this piezomotor needed for its use in practice. At the beginning the text processes theoretical data needed for design the control system. The author describes the principle of piezoelectric effect and deals with issues of piezomotors, which are based on this principle. Primarily theoretical knowledge relating to the piezomotor is processed. He also describes the characteristic of microcontroller C8051F015 based on processor core 8051, which is main element of whole control system. His peripherals, which are used in control system, are described more. One of the main parts of the text is design of analog board, which create sawmill course of voltage on piezocrystals of piezomotor. Images are used for description its individual parts. The circuit is controlled by digital and analog outputs of the microcontroller. Another part of the work is focused on communication between microcontroller and PC, which transmits instructions from user using the serial line. Further options of proposed application are shown and important used software components are described. Equally important is program for the microcontroller, which processes incoming messages from PC and manages its digital and analog outputs. In the next chapter is shown design of piezomotor and implementation of prototype the control system. Conclusion of work is devoted to measurement of piezomotor characteristics that shows resolution dependence on frequency, voltage amplitude and vertical pressure. The outgrowth of project, which is elaborated in this work, is the functional control system for the piezomotor with possibility of control through user application on PC. Obtained characteristics of piezomotor will be used for implementation into practice.
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Microdive with linear piezomotor
Grmela, Petr ; Vrba, Jaromír (referee) ; Koláčný, Josef (advisor)
The goal of this bachelor thesis is desctription of function and structure of piezoeletric motor „piezowawes“, creation his laboratory formation and folowing measuring his static characteristic (feed spead / drawing force). Except experimental conclusions is this thesis aim on theoretical analysis and physical explanation of piezoeletric phenomenon. This analys contains materials and important definition which are delaing with this phenomenon. This thesis also contains basic distribution of each kind of piezomotor and discuss aboat their practical use.
|
|
|
Low power electrical machines
Martinek, Radek ; Mach, Martin (referee) ; Hájek, Vítězslav (advisor)
The master’s thesis introduces various types of electric motors. Overall, it is divided into 6 chapters, which the first deals with special type of electric motors, namely: permanent magnet DC motor with coreless winding, piezoelectric motor and three phase induction motor with solid rotor. For all of these motors are introduced principles, types, advantages, disadvantages and applications. The second part of thesis deals with perspective types of motors, namely: single phase induction motor and reluctance motor. For all of these motors are introduced principles, types, advantages, disadvantages and applications. The third chapter deals with analysis parameters of single phase induction motor. The analysis is performed on a borrowed motor from ATAS company by measurement and verification using simulation program Ansys Maxwell. The fourth part discusses the possibilities of increasing the effectiveness of borrowed electric motor. The following is chapter five, which deals with increasing the efficiency of the motor by changing metal sheets. Results are verified by simulations with Ansys Maxwell and measurements on sample of electric motor. The last part presents electric motor design with new selected electric sheets with lower specific losses, but also with lower magnetic induction.
|
|
|
Electric microdrive with ultrasonic motor
Peřina, Martin ; Feiler, Zdeněk (referee) ; Koláčný, Josef (advisor)
This thesis is focused on selected kinds of piezoengines and their ability to control and follows the separate semester project. It mainly deals with technnology called Piezo LEGS and Piezowaves. Attention is paid to their structure, principles, parameters, characteristics, but also to field of their application. Next section is laboratory measurement of those species of piezoengines (demo-kits). At the end thesis contains three laboratory task, each type of engine is dedicated toone task. The contents of the work is focused on innovation activities in the learning process.
|
|
|
Micropump for Medicamentous Therapy
Ondrák, Tomáš ; Brandštetter,, Pavel (referee) ; Pochylý,, František (referee) ; Koláčný, Josef (advisor)
This doctoral thesis originated as a requirement of micropump for artificial heart with using a suitable type of electric drive. It is an interdisciplinary cooperation of FSI Brno, Department of Fluid Engineering of Viktor Kaplan, FEKT Brno, Department of Power Electronics and finally the doctors from Cardiology Medical Center in St. Ann’s Hospital. FSI Brno made mechanical solutions of micropump, FEKT Brno solved electric drive and Cardiologic Medical Center gave the knowledge of human anatomy. Work deals with design, creation and testing of various types micropumps for medicamentous using. In this thesis was suggested various solutions of electric drive for micropump, its structure and function. Work is primarily experimental in nature and is heavily supported by a creative approach in creating a variety of proposed solutions. Several proposals of micropump have been made with different types of electric drives (DC motors, hybrid stepper motor, piezomotors). Finally, from the technical and economical point of view was chosen the most suitable type of electric drive and it was created a functional prototype of the double-action pump and its properties were tested.
|
|
|
Piezomotor control
Robotka, Jan ; Richter, Miloslav (referee) ; Macho, Tomáš (advisor)
This thesis aims to propose and implement a control system for a new type of piezomotor with the action elements of MPA for the purpose of measuring characteristics of this piezomotor needed for its use in practice. At the beginning the text processes theoretical data needed for design the control system. The author describes the principle of piezoelectric effect and deals with issues of piezomotors, which are based on this principle. Primarily theoretical knowledge relating to the piezomotor is processed. He also describes the characteristic of microcontroller C8051F015 based on processor core 8051, which is main element of whole control system. His peripherals, which are used in control system, are described more. One of the main parts of the text is design of analog board, which create sawmill course of voltage on piezocrystals of piezomotor. Images are used for description its individual parts. The circuit is controlled by digital and analog outputs of the microcontroller. Another part of the work is focused on communication between microcontroller and PC, which transmits instructions from user using the serial line. Further options of proposed application are shown and important used software components are described. Equally important is program for the microcontroller, which processes incoming messages from PC and manages its digital and analog outputs. In the next chapter is shown design of piezomotor and implementation of prototype the control system. Conclusion of work is devoted to measurement of piezomotor characteristics that shows resolution dependence on frequency, voltage amplitude and vertical pressure. The outgrowth of project, which is elaborated in this work, is the functional control system for the piezomotor with possibility of control through user application on PC. Obtained characteristics of piezomotor will be used for implementation into practice.
|
|
|
Microdive with linear piezomotor
Grmela, Petr ; Vrba, Jaromír (referee) ; Koláčný, Josef (advisor)
The goal of this bachelor thesis is desctription of function and structure of piezoeletric motor „piezowawes“, creation his laboratory formation and folowing measuring his static characteristic (feed spead / drawing force). Except experimental conclusions is this thesis aim on theoretical analysis and physical explanation of piezoeletric phenomenon. This analys contains materials and important definition which are delaing with this phenomenon. This thesis also contains basic distribution of each kind of piezomotor and discuss aboat their practical use.
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