Перегляд за автором "Galkin, P."
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Публікація Approaches to Designing a Wireless Sensor Network Node(2019) Buhrym, I.; Galkin, P.; Vynokurov, O.The object of the research is the hardware component for building a test platform for wireless sensor networks. The aim of the work is to develop a software and hardware test platform for wireless sensor networks. As a result of the analysis, the node structures, wireless sensor network modules, CC2530 peripherals were analyzed. A module based on the CC2530 PA was chosen as the hardware. Given to optimize the structure of the node for as one of approach to designing a wireless sensor network node. Also given report about difference in approach to designing nodes and uses areas.Публікація Development of a Telegram Bot for Receiving Data from OPC Servers(2021) Galkin, P.; Khmelik, O.It is important to develop programming of the embedded control system which allows the real-time system to change and actually program the built-in control system based on the PLC. Chatbot is a computer program developed on the basis of neural networks and machine learning technologies, which can be used to communicate in audio or text format , but chatbot can also be used to program embedded systems without changing the PLC program itself. The purpose of the work is to develop a chatbot in the Telegram service, which can be used to obtain information from embedded systems based on the OPC server and send the necessary information at the request of the user.Публікація Development of Testbenches Base on STM32 and CC253X Microcontrollers(2022) Galkin, P.The purpose of the development is to create a test layout on the STM32 microcontroller and СС253Х expansion module. Performing this work had to consider the following steps: analysis of similar devices and expansion modules; develop the spatial structure of the device and its layout; develop the design of the printing module; conduct testing; integrate the test layout and expansion module.Публікація Development of the Testbench Base on STM32 Microcontroller and Expansion Module(2021) Galkin, P.; Kuznetsov, M.; Litvinenko, T.The purpose of the development is to create a test layout on the STM32 microcontroller F103C8 series and expansion module. Performing this work had to consider the following steps: analysis of similar devices and expansion modules; develop the spatial structure of the device and its layout; develop the design of the printing module; conduct testing; integrate the test layout and expansion module.Публікація Realisation of Iterative Algorithm of Six-Port Reflectometer on FPGA Using Logarithm Function(2020) Zaichenko, O.; Zaichenko, N.; Galkin, P.; Golovkina, L.The six-port reflectometer is an universal measurement device of microwave range for signal power and tract termination reflection coefficient definition. The definition of such tract and termination parameters is made by sensor signal processing. As processing algorithm can be used least squares estimation. The advantages of least squares estimation is accuracy. The condition of its use is redundandant sensor number. The least squares estimation feature is invers matrix computation. As to FPGA realisation of algorithm there are problems connected to matrix inversion. So the report is devoted to attempt to simplify six-port reflectometer sensor signal processing and to avoid inverse matrix computation.Публікація The Microwave Oven Thermal Field Uniformity Increasing by Using Powermeter(2019) Zaichenko, O.; Golovkina, L.; Miroshnyk, M.; Pahomov, Y.; Galkin, P.The microwave oven qualities improvement can be achieved, if use a powermeter. Extracting information about the passing power from the sensor signals in the powermeter can be performed by determining the passing power as a geometric mean of the sensor signals. The main advantage of this approach is ease of automation. The limitations of the passing power calculating algorithm as a geometric mean of two sensors signals are that mathematically rigorous expressions. It can be obtained only if two sensor signals are taken at the maximum and minimum of the standing wave. When the sensors was not placed in the maximum and minimum of the standing wave, the error appears. An amendment was made, and the non-excluded residual was estimated.Публікація Using Benchmark Tests for Research State Memory Encoding in Finite State Machine(2021) Zaichenko, O.; Zaichenko, N.; Galkin, P.; Tsekhmistro, R.—The synthesizer will automatically assign the state memory codes based on the most effective use of the target technology (e.g., binary, gray code, one-hot) in FPGA. But exists alternative, when user by himself choose type of memory encoding. There was considered user defined state coding method for Quartus Altera.