REXUS
Completed
Ongoing
Prospective
Work Package Title | R10 – Simulation of REXUS Deployment |
Brief Description | An unknown factor in the REXUS experiment is the likely separation distance between the balloon module and the anchored module. The relative speed/distance will have consequences for the communications ability between these two sections. Using previous REXUS data, a simple simulation can give us a ball-park figure to specify wireless communications range required. |
Report Document Name | 07.2011.REXUS.EjectionSimulation.1 |
Date (start-finish) | TBC |
Advised Team Breakdown | 1 ME |
Knowledge base | REXUS summary documents. Previous REXUS Launch data. |
Predicted Project Length | 1 week |
Project Creator | Roy Brown |
Parent Project | 07.2011.REXUS.ProjectOverview.docx |
Work Package Title|| R9 – RS 422 Interfacing||
Brief Description | The REXUS experimental modules must relay data to the RXSM with an interface called RS 422. This is a standardised method and there is reference within the REXUS user manual to software that may be obtained and used for the purpose of communicating with the RXSM system. This project will involve looking at the previous sensor data storage experiment (R7) and ensuring that this data can be properly parsed for the RS 422 standard used onboard REXUS. |
Report Document Name | 07.2011.REXUS.RS422.1 |
Date (start-finish) | TBC |
Advised Team Breakdown | 1 Software |
Knowledge base | REXUS summary documents. |
Predicted Project Length | 1 week |
Project Creator | Roy Brown |
Parent Project | 07.2011.REXUS.ProjectOverview.docx |
Work Package Title | R8 – Video Compression Algorithm |
Brief Description | It is planned to use a video camera onboard the experimental module to qualitatively examine the success of the balloon deployment. It will be required to compress the data from the camera before transmission, therefore methods of video compression shall be investigated. |
Report Document Name | 07.2011.REXUS.VideoCompression.1 |
Date (start-finish) | TBC |
Advised Team Breakdown | 1 Software |
Knowledge base | REXUS summary documents. |
Predicted Project Length | 2 weeks |
Project Creator | Roy Brown |
Parent Project | 07.2011.REXUS.ProjectOverview.docx |
Work Package Title | R7 – Sensor Data Storage - ADC |
Brief Description | The various sensors onboard the REXUS experiment will require that their output is saved and processed in an efficient manner. Suitable sampling frequencies shall be selected for taking readings from the accelerometers and magnetometers. This project will involve mounting sensors on an appropriate test platform (in lieu of a cubesat) and investigating the best ways to save the data to SD card, ready for transmission. |
Report Document Name | 07.2011.REXUS.SensorDataStorage.1 |
Date (start-finish) | TBC |
Advised Team Breakdown | 2 EME/EEE/ME |
Knowledge base | REXUS summary documents. Sensor documents. Microcontroller programming (required for reading data from sensors – although easy to pick up during the project). |
Predicted Project Length | 2 weeks |
Project Creator | Roy Brown |
Parent Project | 07.2011.REXUS.ProjectOverview.docx |
Work Package Title | R6 - Creation of Safe Gas Delivery System for Inflatable Space Balloon – Actuation and Inflation of Balloon | |
Brief Description | The actuation and inflation of the balloon may require the use of some feedback and control to monitor the status and pressure required. The method to control the rate of gas release has to be related to an actuation signal. Concepts will be selected for further development and a plan will be produced for the practical implementation of this system. | |
Report Document Name | 07.2011.REXUS.GasActuation.1 | |
Date (start-finish) | TBC | |
Advised Team Breakdown | 3 EME/EEE/ME | |
Knowledge base | REXUS summary documents. Gas sublimation characteristics, flight conditions on board REXUS, balloon design documents, selected hardening methods, desired behaviour of balloon, mission time window. | |
Predicted Project Length | 1 month | |
Project Creator | ||
Parent Project | 07.2011.REXUS.ProjectOverview.docx |
Work Package Title | R5 - Creation of Safe Gas Delivery System for Inflatable Space Structures – Protection during launch |
Brief Description | A housing to safely carry the gas source to the desired altitude has to be developed. This will have to endure the vibration endured during launch as well as any pressure/temperature differences experienced. The gas source is likely to be a solid that is then activated – therefore specific material properties will have to be found and understood. |
Report Document Name | 07.2011.REXUS.GasSafety.1 |
Date (start-finish) | TBC |
Advised Team Breakdown | 2 EME/EEE/ME |
Knowledge base | REXUS summary documents. Gas sublimation characteristics, flight conditions on board REXUS, safety standards for space missions. |
Predicted Project Length | 1 month |
Project Creator | Roy Brown |
Parent Project | 07.2011.REXUS.ProjectOverview.docx |
Work Package Title | R4 - Communication System Definition |
Brief Description | This involves creating a link budget for between the ejected module and the anchored module, as well as investigating the data rate we can or should use for a downlink from the RXSM – if we should downlink at all. |
Report Document Name | 07.2011.REXUS.CommsSystemDiagram.1 |
Date (start-finish) | TBC |
Advised Team Breakdown | 1 EEE/EME |
Knowledge base | REXUS summary documents. Signals and systems. |
Predicted Project Length | 1 week – Opened by Roy Brown - 06/07/2011 |
Project Creator | Roy Brown |
Parent Project | 07.2011.REXUS.ProjectOverview.docx - Communications |
Work Package Title | R3 - Design of an Integrated Ejector/Antenna Deployment Mechanism |
Brief Description | This team will develop an extendable antenna that will deploy from within the body of the REXUS experimental module and communicate with the ejected cubesat. Other methods of antenna design will also be investigated (e.g. patch antennas, fixed antennas etc.) |
Report Document Name | 07.2011.REXUS.EjectorAntenna.1 |
Date (start-finish) | TBC |
Advised Team Breakdown | 2 EME/EEE/ME |
Knowledge base | REXUS summary documents. Electro-mechanical actuators, release mechanisms. |
Predicted Project Length | 2 weeks |
Project Creator | Roy Brown |
Parent Project | 07.2011.REXUS.ProjectOverview.docx – Structure – Anchored Unit |
Work Package Title | R2 - Methods of Cubesat Ejection from a REXUS rocket - Structure |
Brief Description | Design of the structure for the ejection platform for a cubesat in the REXUS launch. This will involve the creation of a housing with rails along which the cubesat will slide whilst ejecting. Liason with team R1 will be required to accommodate the actuation mechanism. It will be this teams responsibility to determine the size/material/mass etc. of the system and to bring it to standard with REXUS procedures. |
Report Document Name | 07.2011.REXUS.EjectorStructure.1 |
Date (start-finish) | TBC |
Advised Team Breakdown | 2 ME/EME |
Knowledge base | REXUS summary documents. Electro-mechanical actuators, release mechanisms. |
Predicted Project Length | 2 weeks |
Project Creator | Roy Brown |
Parent Project | 07.2011.REXUS.ProjectOverview.docx - Ejector |
Work Package Title | R1 - Methods of Cubesat Ejection from a REXUS rocket - Actuation |
Brief Description | Investigation and design of an actuation system for use with the ejector. This will focus on converting the ‘release’ signal into a motion that will release the cubesat. |
Report Document Name | 07.2011.REXUS.EjectorActuation.1 |
Date (start-finish) | TBC |
Advised Team Breakdown | 2 EME/EEE/ME |
Knowledge base | REXUS summary documents. Electro-mechanical actuators, release mechanisms. |
Predicted Project Length | 2 weeks |
Project Creator | Roy Brown |
Parent Project | 07.2011.REXUS.ProjectOverview.docx - Ejector |