National Repository of Grey Literature 4 records found  Search took 0.00 seconds. 
Measurement of DC and EC motors characteristics
Chlebný, Radek ; Cipín, Radoslav (referee) ; Vondruš, Jiří (advisor)
The Bachelor thesis deals with commutator direct current motors and electronically commutated motors of company Maxon motor AG. The first part of its deals basic structural elements and focuses on the characteristics of these engines, such as lifetime, revolution properties, efficiency and control methods. The thesis deals with properties, principle of operation and construction of hysteresis brake. Another important theme is improved by the construction of the dynamometer. The last part contains the actual measurement of DC commutator motors assigned Maxon RE and Maxon S, which are loaded with hysteresis brake and final evaluation measurements comparing measured values with the data producer.
Design and verification of properties of current mirrors with bipolar transistors
Šťastný, Lukáš ; Herencsár, Norbert (referee) ; Vrba, Kamil (advisor)
Current mirrors are the pillars of most of the analogue and digital circuits. With the help of SNAP programme, the properties of the current mirrors with bipolar transistors were checked, using output and input transistor resistance and transistor steepness. For each of the involvement of current mirrors, the simplified design of calculations was created.
Measurement of DC and EC motors characteristics
Chlebný, Radek ; Cipín, Radoslav (referee) ; Vondruš, Jiří (advisor)
The Bachelor thesis deals with commutator direct current motors and electronically commutated motors of company Maxon motor AG. The first part of its deals basic structural elements and focuses on the characteristics of these engines, such as lifetime, revolution properties, efficiency and control methods. The thesis deals with properties, principle of operation and construction of hysteresis brake. Another important theme is improved by the construction of the dynamometer. The last part contains the actual measurement of DC commutator motors assigned Maxon RE and Maxon S, which are loaded with hysteresis brake and final evaluation measurements comparing measured values with the data producer.
Design and verification of properties of current mirrors with bipolar transistors
Šťastný, Lukáš ; Herencsár, Norbert (referee) ; Vrba, Kamil (advisor)
Current mirrors are the pillars of most of the analogue and digital circuits. With the help of SNAP programme, the properties of the current mirrors with bipolar transistors were checked, using output and input transistor resistance and transistor steepness. For each of the involvement of current mirrors, the simplified design of calculations was created.

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