Skip to main content

All 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: ...
Akash Sagar's user avatar
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 "...
Ahmad Al-Masri's user avatar
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 ...
cmholm's user avatar
  • 176
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, ...
C-Consciousness's user avatar
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 ...
metafiners's user avatar
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 $...
erfan's user avatar
  • 49
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 ...
gunter's user avatar
  • 321
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 * ...
gunter's user avatar
  • 321
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 ...
Kostis Papadakis's user avatar
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....
shivams's user avatar
  • 111
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, ...
Alex's user avatar
  • 61
-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 ...
user avatar
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 ...
Mahendra Gunawardena's user avatar
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 ...
HDE 226868's user avatar
  • 2,485
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 ...
Analytic Lunatic's user avatar