BUTCube - Flight controller computer

BUTCube - Řídící počítač satelitu

functional specimen

In order to use the result by another entity, it is always necessary to acquire a license

The licensor does not require a license fee for the result

Malaník Petr, Ing.
Lazar Václav, Ing., Ph.D. (FSI)
Rydlo Štěpán, Ing. (DITS)
Láznička Tomáš, Ing. (ÚFI)
Bartoněk Jaroslav, Ing., Ph.D. (LÚ OLT)
Popela Robert, Ing., Ph.D. (LÚ OLT)

cube-sat, mission demonstrator, flight controller, satellite, 1U concept

The basic control board (Flight controller) of the satellite enabling
flight/mission control and data acquisition and processing from other systems.
The board contains a microcontroller, IMU unit, memories (application and
system). It also allows connection of additional sensors and sensor expansion
boards.

Through the main connector, the board unit to the satellite system, through which
it is also powered and communicates with the main systems.  The sensor part of
the solar modules can be connected to the secondary connectors on the side of the
board, which can then give a rough overview of the satellite orientation or the
temperature status of the system. Communication with the satellite's main systems
is possible via a shared CAN bus, or, after negotiating a communication window,
larger data volumes can be transferred via the RS-485 bus, for example between
the communication board and the control computer. It is also possible to
communicate with sun detection sensors, which can be used to determine the global
position of the satellite in addition to GPS.

The IMU unit contains a magnetometer, accelerometer and gyroscope from which the
orientation of the satellite can be determined. System memories, consisting of
EEPROM, FRAM and MRAM, are used for sensor and sensor calibration data. These
memories can also be used to accomplish a secondary mission that deals with the
effect of radiation on different types of memories.

The application memory consists of two NAND flash memories with increased
radiation resistance. These memory banks are capable of storing up to 2 Gb of
data. This data can come, for example, from a camera connected to this control
unit, which can also serve as a backup mission computer.

Produkt je fyzicky umístěn na Leteckém ústavu FSI. Výrobní podklady a zdrojové kódy jsou dostupné na odkaze níže. STRaDe Git: https://strade.fit.vutbr.cz/git/imalanik/BUTCube/src/branch/FC/modules/FC

• png BUTCube_logo.png 21 kB
• jpg FC.jpg 3 MB

Spolehlivé, bezpečné a efektivní počítačové systémy, BUT, Vnitřní projekty VUT, FIT-S-20-6427, start: 2020-03-01, end: 2023-02-28, completed

Security Technology Research and Development (RG STRaDe)

Department of Intelligent Systems (DITS)
Faculty of Mechanical Engineering (FME)