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Tytuł:
Hardware Complex for Learning Microcontrollers
Zestaw laboratoryjny w dydaktyce mikrokontrolerów
Autorzy:
Stadnyk, B
Ozgovych, A.
Powiązania:
https://bibliotekanauki.pl/articles/155032.pdf
Data publikacji:
2006
Wydawca:
Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Tematy:
mikrokontroler
nauczanie
microcontroller
learning
Opis:
In the article the hardware complex is described for the study of microcontrollers. The feature of equipment is a modular construction, which facilitates the process of studies, allows to study different microcontrollers and complement the system new peripheries by devices.
W pracy opisano zestaw środków elektronicznych dla dydaktyki mikrokontrolerów. Cechą szczególną zestawu jest struktura modułowa, co ułatwia proces edukacyjny, pozwala poznawać różne mikrokontrolery i uzupełniać zestaw urządzeniami peryferyjnymi.
Źródło:
Pomiary Automatyka Kontrola; 2006, R. 52, nr 12, 12; 58-60
0032-4140
Pojawia się w:
Pomiary Automatyka Kontrola
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A method for testing the performance of a dual-core microcontroller with integrated program and data memory
Autorzy:
Sieczkowski, K.
Sondej, T.
Powiązania:
https://bibliotekanauki.pl/articles/114093.pdf
Data publikacji:
2015
Wydawca:
Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Tematy:
microcontroller
multicore
performance
benchmark
Opis:
The paper presents a set of test procedures for performing an extended test of dual-core microcontroller performance. The procedures described enable the performance of the system to be determined with regard to memory organization, mutual influence of cores and ability to verify the impact of code optimization level. The experimental trials were performed using an LPC4357 microcontroller with onboard FLASH and SRAM memory. The results obtained showed a slight performance drop for the various microcontrollers operating simultaneously in typical conditions. However, with frequent references to a shared memory, the performance drop may reach as much as 80%.
Źródło:
Measurement Automation Monitoring; 2015, 61, 7; 320-322
2450-2855
Pojawia się w:
Measurement Automation Monitoring
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Bridge carrying robot using ZigBee carrying multiple sensor
Autorzy:
Reddy, M. D.
Powiązania:
https://bibliotekanauki.pl/articles/411577.pdf
Data publikacji:
2015
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
ZigBee
microcontroller
Light-dependent resistor (LDR)
Opis:
MULTI-UTILITY VEHICLE is a vehicle which carries a folding bridge and multiple sensors. This vehicle is mainly used in war-field, it helps the soldiers to cross The un-even areas with the help of the bridge. It also helps other heavy vehicles to cross the disturbed path using its bridge. It is also equipped with multiple sensors like the fire detector, gas detector, light detector. This helps the soldiers to identify the different types of threats bearing poisonous gases, increase in temperature etc. from a longer distance. Those threats can be recognized by the soldiers with the help of buzzers equipped in the detector. As it is a remote vehicle which works on the wireless transmission of ZigBee, the light detector in the vehicle is used to automatically switch on the main lights when the visibility level starts decreasing due to sunlight. This project is already implemented in European countries during the First World War. It is an upcoming technology in our country. For solving the problem of the cooperation between multi-robots, a communication system based on the ZigBee network was designed. In the hardware of the robots, the ZigBee nodes are introduced. The multi-robots form a star network by the ZigBee nodes, and they keep communication with each other by the central node. The ZigBee network has many characteristics such as low cost, low power consume, strong anti-jamming ability and real-time performance etc, it adapts to the application of intelligence. Experiments showed that the communication between the robots is reliable. This scheme is a good way for robots to complete complex task and improve working efficiency.
Źródło:
International Letters of Chemistry, Physics and Astronomy; 2015, 41; 1-14
2299-3843
Pojawia się w:
International Letters of Chemistry, Physics and Astronomy
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Hardware techniques for improving the calibration performance of direct resistive sensor-to-microcontroller interface
Autorzy:
Kokolanski, Z.
Gavrovski, C.
Dimcev, V.
Makraduli, M.
Powiązania:
https://bibliotekanauki.pl/articles/221499.pdf
Data publikacji:
2013
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
passive sensor
sensor interface
calibration
microcontroller
Opis:
Direct sensor-to-microcontroller is a simple approach for direct interface of passive modulating sensors to a microcontroller without any active components in between the sensor and the microcontroller and without an analog to digital converter. The metrological performances of such interface circuits are limited by certain microcontroller parameters which are predetermined by the manufacturing technology. These limitations can be improved by specific hardware-related techniques and can improve the accuracy, speed and resolution of the measurements. Such hardware solutions as well as proper selection of the electrical components are addressed in this paper. It has been shown that employment of only a few MOSFET transistors can reduce the maximal relative error of single point calibration more than fifteen times and can increase the measuring speed around 30 % in all calibration techniques in the measurement range of PT1000 resistive temperature sensors. Moreover, the effective number of resolution bits increases by more than 1.3 bits when using an external comparator.
Źródło:
Metrology and Measurement Systems; 2013, 20, 4; 529-542
0860-8229
Pojawia się w:
Metrology and Measurement Systems
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Design and implementation of programmable ultrafast circuit breaker with solid state relay
Autorzy:
Omotayo, Mayowa Emmanuel
Olawuni, Adeolu
Powiązania:
https://bibliotekanauki.pl/articles/1192022.pdf
Data publikacji:
2016
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Ultra Fast
MCB
8051 Microcontroller
Overload
Mosfet
Opis:
The concept of electronic circuit breaker came into focus realizing that conventional circuit breakers such as MCBs take longer time to trip. Therefore, for sensitive loads it is very important to activate the tripping mechanism at the shortest possible time, preferably instantaneously. This project is demonstrates fast tripping mechanism as against the slow one like MCB. Electronic circuit breaker is based on the voltage drop across a series element proportional to the load current, typically a low value resistor. This voltage is sensed and rectified to DC which is and then compared with a preset voltage by a level comparator to generate an output that drives a relay through a MOSFET to trip the load. The unit is extremely fast and overcomes the drawback of the thermal type. It uses a microcontroller from 8051 family. The project was designed to shut down the power supply when it is overloaded. Conventional circuit breaker like MCB based is on thermal bimetal lever trip mechanism. It is very slow and the trip time is dependent upon the percentage of overload. This project senses the current passing through a series element and the corresponding voltage drop is compared against the preset voltage proportional to the current by a level comparator to generate an output for the load to trip.
Źródło:
World Scientific News; 2016, 50; 148-159
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Time interval switching device
Urządzenie przełączające interwał czasowy
Autorzy:
Politanskyi, Ruslan
Veryga, Andrij
Powiązania:
https://bibliotekanauki.pl/articles/408487.pdf
Data publikacji:
2020
Wydawca:
Politechnika Lubelska. Wydawnictwo Politechniki Lubelskiej
Tematy:
microcontroller
switch
voltage
semistor
mikrokontroler
przełącznik
napięcie
Opis:
The proposed electronic switching device, which is a replacement (analogue) of the electromechanical switch KEP-12. The status and time settings are set for each channel separately through the device menu. It is characterized by less time and ease of reconfiguration.
Proponowane jest elektroniczne urządzenie przełączające, które jest zamiennikiem (analogowym) przełącznika elektromechanicznego KEP-12. Status oraz ustawienia czasu zostają wyznaczone dla każdego kanału osobno poprzez menu urządzenia. Charakteryzuje się onozmniejszonączasochłonnością i łatwością rekonfiguracji.
Źródło:
Informatyka, Automatyka, Pomiary w Gospodarce i Ochronie Środowiska; 2020, 10, 1; 12-15
2083-0157
2391-6761
Pojawia się w:
Informatyka, Automatyka, Pomiary w Gospodarce i Ochronie Środowiska
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Tesla switch of 4 batteries based on the Arduino Uno board
Przełącznik Tesli dla 4 akumulatorów oparty na module Arduino Uno
Autorzy:
Polishchuk, Mykola
Grinyuk, Serhii
Kostiuchko, Serhii
Tkachuk, Anatolii
Savaryn, Pavlo
Powiązania:
https://bibliotekanauki.pl/articles/27315451.pdf
Data publikacji:
2023
Wydawca:
Politechnika Lubelska. Wydawnictwo Politechniki Lubelskiej
Tematy:
generator
batteries
transistor
microcontroller
baterie
tranzystor
mikrokontroler
Opis:
The paper considered the theoretical information of generators for several power sources, schematic theirsolutions, and the main disadvantages and advantages. A generator for 4 batteries based on field-effect transistors with optical galvanic isolation and a clock generator built on the basisof the Atmega328 microcontroller, which is part of the Arduino Uno device, was studied. The result of the study was the confirmation of the existenceof the "Tesla-switch"effect. A program code was developed for the alternate switching of six transistor switches of the optical decoupling. The structural diagram of the device was studied, and the influence of the generator frequency and the consumed power of the load on the output parameters of the device were determined. The considered idea of energy saving and environmental friendliness of power supply systems is relevant, in particular in casesof blackouts.
W artykule rozważono informacje teoretyczne dotyczące generatorów dla kilku źródeł zasilania, schematy ich rozwiązań oraz główne wadyi zalety. Zbadano generator dla 4 baterii oparty na tranzystorach polowychz optyczną izolacjągalwaniczną oraz generator zegara zbudowany na bazie mikrokontrolera Atmega328, który jest częścią urządzenia Arduino Uno. Wynikiem badań było potwierdzenie istnienia efektu "Tesla-switch". Opracowano kod programu do naprzemiennego przełączania sześciu przełączników tranzystorowych odsprzęgacza optycznego. Zbadano schemat strukturalny urządzenia oraz określono wpływ częstotliwości generatora i mocy pobieranej przez obciążenie na parametry wyjściowe urządzenia. Rozważana idea oszczędzania energii i przyjazności dla środowiska systemów zasilania jest istotna, w szczególności w przypadku awarii zasilania.
Źródło:
Informatyka, Automatyka, Pomiary w Gospodarce i Ochronie Środowiska; 2023, 13, 3; 111-116
2083-0157
2391-6761
Pojawia się w:
Informatyka, Automatyka, Pomiary w Gospodarce i Ochronie Środowiska
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A time interval generator with the STM32 microcontroller
Autorzy:
Sawicki, M.
Różyc, K.
Powiązania:
https://bibliotekanauki.pl/articles/114557.pdf
Data publikacji:
2015
Wydawca:
Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Tematy:
microcontroller
time delay
time-to-digital converter
Opis:
The paper presents a concept of utilization of counter-timer circuits built in popular microcontrollers for generating precise time intervals. The main aim was to generate pulses START and STOP wholly in hardware without using a core of the microcontroller. This enables minimizing the value of time jitter of the generated time intervals and allows the use of remaining resources of the microcontroller freely. The introduced method of generation exploits the possibility of simultaneous synchronization of TIM2 and TIM3 timers from an overloaded TIM1 timer. Dependent timers work in One Pulse Mode. START and STOP signals are generated by PWM channels of individual timers. PWM channels can be configured independently which gives the possibility to generate START and STOP pulses of different polarity and width. Generation of a time interval can be triggered automatically (TIM1) or through one of the inputs of the microcontroller. The implemented generator is characterized by the generated range of time interval from 0 to 100 s and the resolution of 40 ns. The jitter of 100 ps was obtained. The concept is suitable to apply in any microcontroller of the STM32 family. It allows the generation of precise and adjustable delays in the application without the need to significantly expand a hardware part of the device.
Źródło:
Measurement Automation Monitoring; 2015, 61, 7; 296-298
2450-2855
Pojawia się w:
Measurement Automation Monitoring
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Ball-and-beam laboratory system controlled by Simulink model through dedicated microcontrolled-Matlab data exchange protocol
Autorzy:
Nowopolski, K.
Powiązania:
https://bibliotekanauki.pl/articles/97435.pdf
Data publikacji:
2013
Wydawca:
Politechnika Poznańska. Wydawnictwo Politechniki Poznańskiej
Tematy:
beam-and-ball
interface
MATLAB
Simulink
stepper motor
SimMechanics
linear position control
microcontroller
32-bit microcontroller
LQR control law
Opis:
A ball balancing on a beam is a perfect platform for demonstration various control strategies. The task is to place ball rolling freely, in a reference position along the beam driven by a motor, rejecting disturbances. The research system consists of mechanical platform with stepper motor and two infrared ball position sensors, power supply and electronic controller based on a 32-bit microcontroller connected to Matlab/Simulink software running the main control algorithm. Designed in Simulink input and output subsystem blocks contain all functions required to provide data exchange with microprocessor controller of the mechanical system. Developed data exchange protocol and its implementation both in microcontroller software and Simulink subsystems allow to use this complete system for educational purposes: the controller designer is free to develop supervisory control layer, not going into details of system operation. The results of system operation with P, PD and LQR control laws are shown at the end of this paper.
Źródło:
Computer Applications in Electrical Engineering; 2013, 11; 310-320
1508-4248
Pojawia się w:
Computer Applications in Electrical Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Battery Supercharging System in Electrical Vehicles Using Photovoltaic Panels
Autorzy:
Syroka, Zenon
Powiązania:
https://bibliotekanauki.pl/articles/2069740.pdf
Data publikacji:
2021
Wydawca:
Uniwersytet Warmińsko-Mazurski w Olsztynie
Tematy:
digital control
motor controller
electric vehicles
hybrid vehicles
microcontroller
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.
Źródło:
Technical Sciences / University of Warmia and Mazury in Olsztyn; 2021, 24(1); 27--38
1505-4675
2083-4527
Pojawia się w:
Technical Sciences / University of Warmia and Mazury in Olsztyn
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
An optoelectronic system for controlling a direct current motor. Part 1: Electrical and electronic design
Autorzy:
Syroka, Zenon
Powiązania:
https://bibliotekanauki.pl/articles/2203614.pdf
Data publikacji:
2023
Wydawca:
Uniwersytet Warmińsko-Mazurski w Olsztynie
Tematy:
digital control
motor controller
electric and hybrid vehicles
microcontroller
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.
Źródło:
Technical Sciences / University of Warmia and Mazury in Olsztyn; 2023, 26(1); 5--15
1505-4675
2083-4527
Pojawia się w:
Technical Sciences / University of Warmia and Mazury in Olsztyn
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Improved and innovated universal DAQ microcontroller unit
Autorzy:
Dostálek, P.
Pekař, L.
Navrátil, P.
Powiązania:
https://bibliotekanauki.pl/articles/963928.pdf
Data publikacji:
2017
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
data acquisition card
engineering education
microcontroller unit
temperature control
Opis:
This paper is aimed at the description of hardware design, software equipment and the functionality of the second evolution of the intelligent multipurpose input/output microcontroller converter and control unit designed and assembled by the authors. Preceding stages of the unit development are concisely overviewed first, the deficiencies of which give rise to the primary motivation of this contribution. Then separate hardware parts of the novel unit are described in detail including electronic schematic diagrams. The device firmware and software capabilities are introduced as well. The advantages of the unit are highlighted compared to older versions. Its functionality, performance and efficiency are then verified by a laboratory control-related dynamic responses measurement example. In the contrary to previous evolutions, a more compact hardware design, increased A/D and D/A converter resolutions, added USB communication capability, better and more accurate analog circuits with more advanced operation amplifiers, the use of OLED instead of LCD display, the pulse-width modulated signal generated by the microcontroller unit itself can be considered among the most important improvements. Moreover, the direct use of the serial link may reduce noise significantly and makes the device more universal.
Źródło:
International Journal of Electronics and Telecommunications; 2017, 63, 2; 171-180
2300-1933
Pojawia się w:
International Journal of Electronics and Telecommunications
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
An autonomous microcontroller system for controlling a multi-channel time counter
Autorzy:
Sondej, D.
Sawicki, M.
Szplet, R.
Powiązania:
https://bibliotekanauki.pl/articles/114671.pdf
Data publikacji:
2015
Wydawca:
Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Tematy:
microcontroller
time counter
autonomous system
time-to-digital converter
Opis:
The paper presents the design of a microprocessor system intended for control, data processing and communication in a multi-channel time counter. The time counter is a relatively complex autonomous instrument designed for measurements of time with picosecond precision and frequency within a range of 3.5 GHz. The device employs a high-speed, single-chip microcontroller with event-driven programming without the mediation of an operating system. The autonomous operation of the measurement system with real-time controlling and data processing was achieved. The paper focuses on the hardware design and the software development model which enables collision-free and concurrent work of many components. The device uses advanced mechanisms available in STM32 series microcontrollers, allowing the efficient support for USB and Ethernet interfaces. The microprocessor system works at a relatively low frequency, which minimizes emission of interference and allows measuring time intervals with a high precision.
Źródło:
Measurement Automation Monitoring; 2015, 61, 7; 305-307
2450-2855
Pojawia się w:
Measurement Automation Monitoring
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Study of Single Sensor Based Maximum Power Point Tracking Techniques for Solar Water Pumping System
Autorzy:
Daoud, A.
Midoun, A.
Powiązania:
https://bibliotekanauki.pl/articles/262773.pdf
Data publikacji:
2009
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie
Tematy:
MPP
buck converter
microcontroller
motor-pump
tachometer
pressure sensor
Opis:
This paper describes new techniques of maximum power point (MPP) tracking for solar water pumping system. The latter system consists of a PV array, a DC/DC buck converter and a universal motor coupled to a centrifugal pump. A conventional hill climbing method is employed to seek the MPP using the motor-pump rotation speed or the pump outlet pressure information. Experimental results are presented and a comparison with conventional algorithm which requires both voltage and current sensors is provided.
Źródło:
Electrical Power Quality and Utilisation. Journal; 2009, 15, 2; 23-27
1896-4672
Pojawia się w:
Electrical Power Quality and Utilisation. Journal
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Theoretical and empirical improvement of a fast-switching electro-pneumatic valve by using different methods
Autorzy:
Najjari, Behrouz
Fotuhi, Mohammad J.
Vaezipour, Mousa
Powiązania:
https://bibliotekanauki.pl/articles/2106002.pdf
Data publikacji:
2022
Wydawca:
Politechnika Białostocka. Oficyna Wydawnicza Politechniki Białostockiej
Tematy:
on off valve
electro-pneumatic
PWM
empirical
AVR microcontroller
Opis:
In this paper, a non-linear model of a 2–2 way, on–off fast-switching valve is used. The model includes subsystems of electrical, magnetic, mechanical and fluid. Pulse width modulation (PWM) technique is adopted to energise the on–off solenoid valve and allow the air to flow towards the actuator. Since the non-linear behaviour of valve is of great importance, to reduce the delay in performance of switching valves, different approaches are proposed. Furthermore, hysteresis, proportional integrator (PI), optimal model predictive and fuzzy logic controller (FLC) are used and compared. Also, to improve the valve behaviour, an empirical setup based on AVR microcontrol-ler with FLC is implemented. Empirical and simulation results indicate that all proposed control methods have superior performance. How-ever, the fuzzy method is easy to implement in practice.
Źródło:
Acta Mechanica et Automatica; 2022, 16, 2; 91--97
1898-4088
2300-5319
Pojawia się w:
Acta Mechanica et Automatica
Dostawca treści:
Biblioteka Nauki
Artykuł
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