Team Vision for Problem Definition Phase
Our vision for the Problem Definition Phase is to accurately identify all areas of concern and establish necessary background information that will be needed for the phases that follow. We plan to formulate use cases in the form of flow charts that will help to develop requirements and set bounds on specifications. A customer interview will be conducted to ensure that we are completely understanding the needs and wants of the customer and to help develop a customer requirements list, and from these requirements we will generate associated Engineering Requirements. We will identify all constraints associated with the project and ensure that our solution falls within those constraint boundaries. We will discuss design trade offs that may arise and collectively determine how to proceed. We will keep the EDGE page as up to date as possible and aim to have it completely and fully filled out by the end of the Problem Definition Phase. All associated documents will be uploaded to the EDGE page.
Project SummaryA satellite tracking system may be used to follow satellite paths and obtain an optimal signal along all corresponding points by maneuvering the direction of the system’s antenna. Currently, the antenna must be manually held and aimed at the moving satellite. The satellite position must be approximated and the signal recorded with a connected laptop. The signal may not always be available or the satellite flyover may occur during times of extreme weather, each of which make positioning the antenna difficult.
The desired outcome of this project is to create an electro-mechanical assembly that can track the path of a satellite and receive the strongest available signal along its entire path across the visible sky by altering the antenna direction based on the current location of the satellite. The antenna assembly must be somewhat lightweight, function throughout variable weather conditions, have an onboard networked system that allows remote access and function without being directly connected to an external power source.The expected deliverables for this project will thus include the antenna assembly, a system for controlling the assembly, and a service/operational manual.
|Dr. Miguel Bazdresch||Customer|
|Dr. David Orlicki||Faculty Guide|
|Martin Pepe||Faculty Guide|
|Bill Nowak||Project Guide|
|RIT College of Applied Science and Technology||Sponsor|
|RIT Faculty & Students||Future Users|
|RIT Staff||Facilities Management Services|
When a path is requested of the Satellite Tracker, it will gather and store data from the expected satellite as shown below.
The Satellite Tracker may need to follow a new path defined by the user, as shown below.
At times, the Satellite Tracker, like any machine, will break down or wear out and a maintenance man will follow the steps above to remedy the situation, as shown below.
Project Goals and Key DeliverablesMinimum requirements:
- A working system that can be installed on the roof of a building, and operated remotely.
- The user will specify the satellite path to track by manually generating a list of coordinates, in a file that the system can access.
- Service manual, so that it can be serviced and upgraded as needed by future users.
- Operation manual detailing how to operate the system.
- Access to a general-purpose network directory
Additional required deliverables:
- Automated path generation and execution.
Customer Requirements (Needs)
- Shall aim an antenna along a path defined by the user.
- Shall be ruggedized against any weather condition regularly seen by Rochester.
- The antenna shall be able to point to any coordinate within the observable hemisphere of its installation point.
- The system shall remotely store recorded sensor data, such that it can accessed and processed at the convenience of the user, independent of when it's recorded.
- Satellite paths shall be defined to the system through a user interface.
- There shall be no wired external connections from the assembly (i.e. for power or internet).
- Shall be light enough to be carried by 2 average adults.
- Shall fit through a standard doorway or break down into subassemblies that fit through a doorway.
- Shall be easy to maintain.
Engineering Requirements (Metrics & Specifications)
- Shall capture data within a 90-degree range, with 5-degree accuracy.
- All components (electrical & mechanical) will be sealed and splash-resistant.
- Shall aim an antenna along a path by manually input three points and times.
- Shall incorporate local drive on assembly so the unit can continue recording data when the network is down and then upload data to the network once it’s back online.
- Shall automatic create indicative file name when record the tracking process.
- The remote access UI shall be command line base.
- When the user send the battery check command, system shall send Emails to the user to show the battery. Sending email automatically if the unit goes offline or if it goes back online after downtime.
- Shall has holder which enable majority of antenna tighten with it through screws.
- Shall have some sort of calibration to ensure the antenna is always pointing where it needs to.
- Maximum footprint will be 50 ft2.
- Must use a specific antenna and SDR.
- Can’t be connected to the building power or internet.
- Must operate in all normal weather conditions.
- Must be light enough to be carried by 2 average adults.
- Must fit on the roof of a building.
- Shall be under the current expected budget ($500).
House of Quality
Design Review MaterialsThe Design review presentation can be found here.
Plans for next phase
- General inspection of installation site:
- Measure Wi-Fi signal strength
- Measure available footprint area
- Note any buildings or obstructions that would block signal acquisition.
- Check for temporary power source.
- Perform research regarding specific hardware and software components and possible assembly designs using benchmarks.
- Investigate alternative power sources.
- Evaluate possible preliminary failure scenarios and risks.