Temat: digital controller - Prolib Integro

Skocz do pozycji: 1.

Tytuł:: Battery Supercharging System in Electrical Vehicles Using Photovoltaic Panels
Autorzy:: Syroka, Zenon
Tematy:: digital control
motor controller
electric vehicles
hybrid vehicles
microcontroller; Pokaż więcej
Wydawca:: Uniwersytet Warmińsko-Mazurski w Olsztynie
Powiązania:: https://bibliotekanauki.pl/articles/2069740.pdf Link otwiera się w nowym oknie
Opis:: In this project, a system was designed there was designed a system for charging batteries in electric vehicles using photovoltaic panels. Low cost of operation, cheap reliable construction and simple user interface were among the main criterias taken into account. Each energy source was carefully selected and, modules were used so that they could in the way to power the microcontroller and charge the energy storage source. This article is a part of a project related to the design of digital control devices with electric drives carried out at the UWM.
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: An optoelectronic system for controlling a direct current motor. Part 1: Electrical and electronic design
Autorzy:: Syroka, Zenon
Tematy:: digital control
motor controller
electric and hybrid vehicles
microcontroller; Pokaż więcej
Wydawca:: Uniwersytet Warmińsko-Mazurski w Olsztynie
Powiązania:: https://bibliotekanauki.pl/articles/2203614.pdf Link otwiera się w nowym oknie
Opis:: An optoelectronic system for controlling a direct current (DC) motor is presented in Part 1 of the article. The software for the designed motor is described in Part 2. A system for processing data from an infrared transmitter was built. The project was upgraded in successive stages of development, and it ultimately evolved into a small computer with a motor controller. The designed system automatically adjusts the motor’s rotation and speed. The user is tasked only with conveying operational commands. The entire system is based on a single microcontroller. The designed optoelectronic system receives user commands (the program can be modified to support free-space optical communication networks conforming to all communication standards). The system activates the motor, counts the number of rotations and adjusts the motor’s position.The designed system operates on the following principle: the user sends commands to the motor via a remote control with an infrared diode. The keys on the remote control have been programmed with different commands. The transmitted data are processed by the system which activates the motor and sets the desired motor speed. The task is completed, and the system is ready to process the next command. If the number of rotations differs from the preset value, the motor’s position is adjusted. If the physical position of the rotor axis is altered, the system corrects the offset to the last programmed position. The designed system can be easily adapted to various types of motors and IR controllers.
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Optoelectronic system for controlling an alternating current motor. Electrical and electronic design
Autorzy:: Syroka, Zenon
Tematy:: digital control
motor controller
electric vehicles
hybrid vehicles
microcontroller; Pokaż więcej
Wydawca:: Uniwersytet Warmińsko-Mazurski w Olsztynie
Powiązania:: https://bibliotekanauki.pl/articles/2133936.pdf Link otwiera się w nowym oknie
Opis:: A control system for a three-phase induction motor was designed with the use of optoelectronic components and methods. Motor speed was controlled by changing supply voltage frequency. This solution ensures a wide range of rotational speeds, constant torque and effective start-up of an induction motor. The designed motor is supplied with direct current converted to three-phase alternating current. The adopted solution relies on renewable sources of energy to produce DC power. The designed electric motor is controlled by changing supply voltage frequency. Input voltage with the desired waveform is generated by the motor’s electronic system that relies on two microcontrollers. The presented solution features a user interface.
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 4.

Tytuł:: An optoelectronic system for controlling a direct current motor. Part 2: Software
Autorzy:: Syroka, Zenon
Tematy:: digital control
motor controller
electric and hybrid vehicles
microcontroller; Pokaż więcej
Wydawca:: Uniwersytet Warmińsko-Mazurski w Olsztynie
Powiązania:: https://bibliotekanauki.pl/articles/2203613.pdf Link otwiera się w nowym oknie
Opis:: The software for an optoelectronic system for controlling a direct current (DC) motor is presented in Part 2 of the article. The structure of the designed control system was described in Part 1. The developed system processes data received from an infrared transmitter. The project was upgraded in successive stages of development, and it ultimately evolved into a small computer with a motor controller. The designed system automatically adjusts the motor’s rotation and speed. The user is tasked only with conveying operational commands. The entire system is based on a single microcontroller. The designed optoelectronic system receives user commands (the program can be modified to support free-space optical communication networks conforming to all communication standards). The system activates the motor, counts the number of rotations and adjusts the motor’s position.The designed system operates on the following principle: the user sends commands to the motor via a remote control with an infrared diode. The keys on the remote control have been programmed with different commands. The transmitted data are processed by the system which activates the motor and sets the desired motor speed. The task is completed, and the system is ready to process the next command. If the number of rotations differs from the preset value, the motor’s position is adjusted. If the physical position of the rotor axis is altered, the system corrects the offset to the last programmed position. The designed system can be easily adapted to various types of motors and IR controllers.
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 5.

Tytuł:: A controller for brushless direct current electric motors. Part 2. Software
Autorzy:: Syroka, Zenon
Tematy:: digital control
motor controller electric
hybrid vehicles
brushless motors
microcontroller; Pokaż więcej
Wydawca:: Uniwersytet Warmińsko-Mazurski w Olsztynie
Powiązania:: https://bibliotekanauki.pl/articles/1835557.pdf Link otwiera się w nowym oknie
Opis:: A universal controller for brushless direct current (BLDC) motors was designed in the presented article. The system is controlled from the user console where operating parameters are set by the user. Signals are transmitted by cables to microcontrollers which control and monitor electric motors. Microprocessors communicate via a data bus. The controller contains the user console module and the motor control module. The user console module generates commands, and motors are controlled and monitored by the control module. Motor control modules operate independently, and each brushless motor has a dedicated control module. Brushless motors can be controlled in bipolar or unipolar mode. The control method is selected by the operator. The user console and motor controllers communicate via the I²C bus.
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 6.

Tytuł:: Tuning and digital implementation of a fractional-order PD controller for a position servo
Autorzy:: Tepljakov, A.
Petlenkov, E.
Belikov, J.
Astapov, S
Tematy:: fractional calculus
position servo
PID controller
digital control
control optimization
rachunek ułamkowy
pozycja serwo
regulator PID
sterowanie cyfrowe
optymalizacja sterowania; Pokaż więcej
Wydawca:: Politechnika Łódzka. Wydział Mikroelektroniki i Informatyki
Powiązania:: https://bibliotekanauki.pl/articles/397895.pdf Link otwiera się w nowym oknie
Opis:: Fractional-order calculus offers ﬂexible computational possibilities that can be applied to control design thereby improving industrial control loop performance. However, before theoretical results can be carried over to an industrial setting it is important to study the effects of fractional-order control by means of laboratory experiments. In this paper, we study the practical aspects of tuning and implementing a fractional-order PD controller for position control of a laboratory modular servo system using FOMCON (“Fractional-order Modeling and Control”) toolbox for MATLAB. We provide an overview of the tools used to model, analyze, and design the control system. The procedure of tuning and implementation of a suitable digital fractional-order controller is described. The results of the real-time experiments conﬁrm the effectiveness of used methods.
Dostawca treści:: Biblioteka Nauki

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