Capstone Project

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Group 2019-35 Status completed
Title Cubesat Attitude Determination and Control System
Supervisor Shahin Hashtrudi Zad
Description In 2018, the Canadian Space Agency (CSA) awarded 15 $200’000 grants to 15 universities across Canada for each of them to develop a cubesat under the Canadian Cubesat Project. Concordia University was one of the two universities in Quebec chosen, and relegated the development of the satellite to the Space Concordia group. The spacecraft, named SC-ODIN (Space Concordia Orbital Dust Imaging Nanosat), is a 3U-class cubesat. Cubesats are satellites that are classified and sized in terms of U’s, or units, where 1U designates a 10cmX10cmX10cm cube. Space Concordia wishes to develop as much of the satellite as possible in-house to train the next generation of astronautics engineers and of highly-qualified personnel. SC-ODIN’s mission is to take measurements, from orbit, of atmospheric dusts and aerosols above Lake Colhué Huapí in Argentina, the Namibian Dry Valleys in Namibia, and the CARTEL site in Canada. The satellite will take these measurements using a hyperspectral imager in visible and near-infrared wavelengths. To support this mission, a structure, a power system, a communication system, a command and data handling system, and an attitude determination and control system need to be designed. The proposed project is to design and assemble the hardware for the attitude determination and control system (ADCS) of the Space Concordia satellite. There will be two teams working on the ADCS: 1. The Space Concordia ADCS team whose responsibilities include: a. Determination of the overall system requirements b. Design of the overall ADCS control system c. Simulation and establishment of orbital parameters d. Determination and sizing of the satellite actuators e. Determination of the types and quantities of sensors 2. An ECE capstone team whose responsibilities include: a. Determination of the system electrical requirements b. Design of the system hardware in line with the requirements i. Selection of sensors ii. Interface to the sensors Interface to the satellite electrical system Interface and control of the actuators Processing of parameters Testing the system Possibly calibration the system c. Design of the low-level software interface to the system in line with the requirements
Requirement • Schematic design knowledge • PCB layout knowledge • Knowledge of redundant and fault-tolerant systems • Analog design experience • Digital design experience • Knowledge programming of embedded systems • Determination of system computational requirements • Technical writing skills
Tools • EDA Software • PCB Fabrication Service • Standard Electronic Test Equipment • Manufacturing Equipment • Electronic Parts • Helmholtz cage and reference magnetometer (if magnetometers are used) (*) • Dark room with an accurate and mobile light source (if light sensors are used) (*) • Vacuum chamber • Temperature chamber (*) Sourced externally or test rigs will be assembled if required
Number of Students 3
Students Christian Bougreault-Desgagnés David Fernie John Turpin
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