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A method to synchronize a group of microcontrollers with different clock frequencies of their own generator is proposed. The algorithm of each microcontroller operation in the group and the block diagram of the group consisting of N microcontrollers are presented. Timing diagrams of signals of synchronous operation and clock pulses of the microcontrollers group are given. The result of the work, at...
The design of new device for electromagnetic compatibility testing — environmental shielded TEM-chamber — is considered. Diagnostic algorithms and functional structure decomposition of the chamber are presented. Tasks for a monitoring service of the chamber are indicated. The possibility of the diagnostic service implementation within a real-time operating system is considered for the chamber status...
The article presents a hardware and software complex for the automated measurement of the pallet dimensions and defining of foreign bodies on the pallet surface. The block diagram of the system and the software are described. Methods to improve the accuracy of measurement of the geometric dimensions of the pallet are briefly described: temperature correction of the velocity of propagation of ultrasonic...
The article describes the ultrasonic level gauge of light oil. The principle of error compensation caused by instability of propagation conditions due to the presence of a temperature gradient and density along the propagation path of an ultrasonic wave is presented. The acoustic path of the level gauge is described and includes three channels: a measuring channel, a reference channel and a channel...
The authors have proposed the embodiments of the spacecraft power system with high frequency link, which allows adjusting solar battery voltage in a range sufficient to implement the maximum power point tracking (MPPT) mode and provides the coordination of voltage level of the solar battery, accumulator battery and load. The calculating technique of the weight dimension characteristics of spacecraft...
The authors have proposed the structure of the highvoltage power supply system of low-orbit spacecraft based on regulated current inverter, which allows adjusting solar battery voltage in a range sufficient to implement the maximum power point tracking mode. The characteristics at drift of current-voltage curve of solar battery and different values of the load were obtained. The power supply system...
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