National Repository of Grey Literature 6 records found  Search took 0.02 seconds. 
SOFTWARE FOR LOAD TESTS OF EL.MOTORS-data acquisiton from temp.sensors systems (RS232,USB,PCI DAQ) and power analyzer (GPIB) in LabView.
Čípek, Radek ; Hejč, Tomáš (referee) ; Nesvadba, Martin (advisor)
This thesis deals with the creation of a program for collecting data from three optional systems of temperature sensors (RS232, USB and PCI DAQ), torque shaft and a power analyzer (GPIB) in LabVIEW. The implementation of the results to Excel by the automatic periodical writing of the gained data (LabVIEW › Excel).
Intelligent Test Procedures Low-Tension Traction Drives with Induction Motors
Nesvadba, Martin ; Ondrůšek, Čestmír (referee) ; Novák, Jaroslav (referee) ; Duroň,, Jiří (referee) ; Singule, Vladislav (advisor)
This dissertation thesis is focused on the problem of the noise measurement and construction of the noise test station what was also interest of my employer - company Kollmorgen,sr.o. This testing station should be located directly in the assembly line with target of the noise motor s identification. On base of these measured values and implemented intelligent testing procedures, we should be able to identify real root cause of the noise The noise of electrical machines is actual issue. There is a big pressure for low-noise driving system construction created by many end-customers. We can achieve these requirements with 100% quality of all parts of current product, implementation of noise testing station and also with design optimization of the current product. Basic testing procedures of induction motors were showed in first part of this work (chapter 4.1.). These procedures are able to provide good picture of the motor condition. For the motor noise measurements was constructed a workplace including noise box with acoustical absorption up to 30dB what allowed the workplace implementation directly into the motor assembly line. Testing techniques and frequency analysis procedures were implemented sequentially with the target of the test evaluation improvement. After the detailed analyze of the motor noise root causes was performed check of the current motor design with respect of the “noiselessness” motor construction principles. As next step was created the motor prototype with optimized construction with target of the motor noise reduction. This optimized motor was tested and compared with standard motor design.
Influence of external electromagnetic fields to function of speed sensors
Jehlář, Zbyněk ; Nesvadba, Martin (referee) ; Singule, Vladislav (advisor)
This thesis is focused influence of external electromagnetic fields to function of speed sensors. In this work is created summary of individual principles speed sensors and possible sources electromagnetic fields.
Intelligent Test Procedures Low-Tension Traction Drives with Induction Motors
Nesvadba, Martin ; Ondrůšek, Čestmír (referee) ; Novák, Jaroslav (referee) ; Duroň,, Jiří (referee) ; Singule, Vladislav (advisor)
This dissertation thesis is focused on the problem of the noise measurement and construction of the noise test station what was also interest of my employer - company Kollmorgen,sr.o. This testing station should be located directly in the assembly line with target of the noise motor s identification. On base of these measured values and implemented intelligent testing procedures, we should be able to identify real root cause of the noise The noise of electrical machines is actual issue. There is a big pressure for low-noise driving system construction created by many end-customers. We can achieve these requirements with 100% quality of all parts of current product, implementation of noise testing station and also with design optimization of the current product. Basic testing procedures of induction motors were showed in first part of this work (chapter 4.1.). These procedures are able to provide good picture of the motor condition. For the motor noise measurements was constructed a workplace including noise box with acoustical absorption up to 30dB what allowed the workplace implementation directly into the motor assembly line. Testing techniques and frequency analysis procedures were implemented sequentially with the target of the test evaluation improvement. After the detailed analyze of the motor noise root causes was performed check of the current motor design with respect of the “noiselessness” motor construction principles. As next step was created the motor prototype with optimized construction with target of the motor noise reduction. This optimized motor was tested and compared with standard motor design.
SOFTWARE FOR LOAD TESTS OF EL.MOTORS-data acquisiton from temp.sensors systems (RS232,USB,PCI DAQ) and power analyzer (GPIB) in LabView.
Čípek, Radek ; Hejč, Tomáš (referee) ; Nesvadba, Martin (advisor)
This thesis deals with the creation of a program for collecting data from three optional systems of temperature sensors (RS232, USB and PCI DAQ), torque shaft and a power analyzer (GPIB) in LabVIEW. The implementation of the results to Excel by the automatic periodical writing of the gained data (LabVIEW › Excel).
Influence of external electromagnetic fields to function of speed sensors
Jehlář, Zbyněk ; Nesvadba, Martin (referee) ; Singule, Vladislav (advisor)
This thesis is focused influence of external electromagnetic fields to function of speed sensors. In this work is created summary of individual principles speed sensors and possible sources electromagnetic fields.

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2 Nesvadba, Marek
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