All Questions
Tagged with aerospace-engineering electrical-engineering
15
questions
2
votes
1
answer
75
views
Does MEMS/Optical Gyroscope record Earth's Rotational and revolutional angular velocities
I am using a 3 axis gyroscope (Android device) to record angular velocities using a sensor data logger application.
When the device is placed stationary, the gyroscope recorded the following values:
...
0
votes
0
answers
20
views
How Does The Aerodynamics Of This Hanging Rotating Wing VAWT Turbine Function?
We are examining videos of this very fast rotating "hanging VAWT" shown on Youtube:
https://youtu.be/O2MZsK0mvBk
https://youtu.be/7hVQ_rVNRUI
It say in the text description that "...
0
votes
2
answers
696
views
Is There A Schematic of Hoeltzer's Mischgerät V2/A4 Electronic Guidance Computer?
As a retro computing hobby project, I'm researching Helmut Hoeltzer's (Hölzer's) work on the Mischgerät analog guidance computer for the V2/A4 ballistic missile, with the goal of validating a ...
1
vote
0
answers
80
views
How are NASA's mars rovers able to operate with such little energy?
The latest Mars rover being, NASA's Perseverance, uses the Multi-mission radioisotope thermoelectric generator, which has a maximum power output at the beginning of it's operational life of 125 watts, ...
1
vote
0
answers
192
views
Jacobians and Manipulator Dynamics
This is a Stanford Manipulator
I started off working on it by initially
setting up the DH table
Transformation Matrix and then Homogeneous Transformation Matrix
I started finding the linear and ...
2
votes
1
answer
362
views
linearizing a non linear state space equation
I have this 1-DOF helicopter simulator.
The motor's armature resistance is $R$, inductance $L$ and motor constant $K$ and reaction torque on the motor shaft is $τ$. $T$ is equal to $k_1w_2^2$ and $...
1
vote
1
answer
130
views
Strange simulink error. Professor & TA don't know. Any Ideas?
I am currently working on developing a simulation for a restricted UAV, and I’m having some issues with Simulink while doing this. I have my mathematical equations which have been approved by my ...
0
votes
0
answers
107
views
Determining thrust equations for a custom UAV
I have been tasked to mathematically model and simulate a 2 propeller, 2 motor UAV. But I am struggling with determining the thrust equations, of the propeller, for my design.
I know that:
Ft = Ct * ...
1
vote
1
answer
44
views
Satellite Thruters with reversers
Are there any satellite thrusters that mimic the "thrust reversal" feature of airplanes i.e. (A320...).
I already know of procedures to decelerate a satellite such as using two separate thrusters ...
0
votes
3
answers
281
views
Tethered Balloons vs Towers for Wireless Communication
If we use tethered balloons (aerostats) with wireless gateways fitted on them (let's say for Cellular or LPWAN communication), they can provide much more coverage owing to the height they can reach (e....
6
votes
3
answers
235
views
Need some advice, control system animation. Appreciate some help!
I would like to have a 3d simulation of a helicopter landing on a ship.
I thought about using matlab for this, as a far as I know you can connect models from Simulink to virtual worlds using blocks, ...
-3
votes
1
answer
302
views
What prevents the use of electric engines to assist with spacecraft launches? (Space Shuttle Booster Supplement)
Much power is used to get rocket off the platform on the initial launch? Could electric engines used like booster rockets work similar in the way they launch planes of an aircraft carrier? The ...
2
votes
1
answer
1k
views
Which part of an aircraft can most benefit from a structural health monitoring (SHM) system?
In order to reduce operational cost and improve the safety and reliability of aircraft's the aerospace industry and government is increasingly evaluating new ideas such structural heath monitoring ...
12
votes
4
answers
867
views
Is interference between aircraft an issue for fly-by-wireless technology?
I was reading up on fly-by-wire development, and I saw a short section about fly-by-wireless technology. It seems like a great idea, with the potential to lower costs, weight and complexity. I can see ...
2
votes
2
answers
630
views
Possible Hazards of Software Controlled Systems (Ex. Airline GPS/Elevator)?
I am currently reading through a book on Software Engineering principles, with a lot of the content having to do with proper approaches to software development methodologies and project management ...