priborИзвестия высших учебных заведений. ПриборостроениеJournal of Instrument Engineering0021-34542500-0381Национальный исследовательский университет ИТМО10.17586/0021-3454-2024-67-1-33-45pribor-5Research ArticleИНФОРМАЦИОННО-ИЗМЕРИТЕЛЬНЫЕ И УПРАВЛЯЮЩИЕ СИСТЕМЫINFORMATION-MEASURING AND CONTROL SYSTEMSАрхитектура отказоустойчивой распределенной системы управления наноспутником SamSat-IONArchitecture of a fault-tolerant distributed control system for the SamSat-ION nanosatelliteМещеряковВ. Д.MeshcheryakovV. D.

Вадим Дмитриевич Мещеряков - межвузовская кафедра космических исследований; инженер-программист

Самара 

Vadim D. Meshcheryakov - Inter-University Department of Space Research; Software Engineer

Samara 

meshcheryakov.vd@ssau.ruНиколаевП. Н.NikolaevP. N.

Петр Николаевич Николаев - канд. физ.-мат. наук; межвузовская кафедра космических исследований; Институт космических исследований РАН; ст. научный сотрудник

Самара; Москва

Petr N. Nikolaev – PhD; Space Research Institute of the RAS; Senior Researcher

Samara;  Moscow 

nikolaev.pn@ssau.ruШафранС. В.ShafranS. V.

Степан Вячеславович Шафран - межвузовская кафедра космических исследований; Институт космических исследований РАН; мл. научный сотрудник

Самара; Москва 

Stepan V. Shafran - Inter-University Department of Space Research; Space Research Institute of the RAS; Junior Researcher

Samara; Moscow

shafran.sv@ssau.ruЭспиноза ВаллесА. С.Espinoza VallesA. S.

Ангело Сальватор Эспиноза Валлес - межвузовская кафедра космических исследований; инженер-программист

Самара 

Angelo Salvador Espinoza Valles - Inter-University Department of Space Research; Software Engineer

Samara 

espinoza_valles.a@ssau.ruСамарский национальный исследовательский университет им. акад. С. П. КоролеваSamara UniversityСамарский национальный исследовательский университет им. акад. С. П. Королева ; Институт космических исследований РАНSamara University ; Space Research Institute of the RAS2024221120246713345Copyright © Национальный исследовательский университет ИТМО, 20242024Национальный исследовательский университет ИТМОНациональный исследовательский университет ИТМОhttps://pribor.ifmo.ru/jour/about/submissions#copyrightNoticehttps://pribor.ifmo.ru/jour/article/view/5

Представлены ключевые особенности архитектуры отказоустойчивой распределенной системы управления наноспутником SamSat-ION. Одна из особенностей архитектуры — использование подхода „ведущий/ведомый“, для чего в каждой бортовой системе установлены равнозначные контроллеры, подключенные к общей шине данных, и каждый котроллер может выполнять роль ведущего на шине и обращаться напрямую к другим системам. Оснащение бортового компьютера двухъядерным контроллером с асимметричной структурой ядер позволяет увеличить производительность — осуществлять сбор и хранение телеметрии на ведомом ядре, а выполнение циклограммы полета — на ведущем ядре. Информационный обмен между системами наноспутника SamSat-ION осуществляется с помощью синхронной шины передачи данных I2C; все бортовые системы могут управляться как с бортового компьютера, так и с приемника по командам из центра управления полетом наноспутников, что повышает отказоустойчивость SamSat-ION.

The key features of the architecture of a fault-tolerant distributed control system for the SamSat-ION nanosatellite are presented. One of the features of the architecture is the use of a “master/slave” approach, for which each on-board system has equivalent controllers connected to a common data bus, and each controller can act as a master on the bus and access other systems directly. Equipping the on-board computer with a dual-core controller with an asymmetric core structure allows to increase productivity - collect and store telemetry on the slave core, and execute the flight cyclogram on the master core. Information exchange between SamSat-ION nanosatellite systems is carried out using a synchronous I2C data transmission bus; all on-board systems can be controlled both from the on-board computer and from the receiver using commands from the nanosatellite flight control center, which increases the fault tolerance of SamSat-ION.

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The authors declare that there are no conflicts of interest present.