Questions tagged [data]

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Digital twin and digital shadow in production field

Is there any clear definition of each of the these concepts? As I understood a digital twin is a simulation model (or a set of simulation model) capable of provide meaningful results from the data ...
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1answer
19 views

I just learned about signed magnitude ,1's complement and 2's complement representation and I want to make sure that I understood them

So if I have the number 17 ( 8 bit code), the signed-magnitude representation is : 00010001 For -17 : 10010001 For 1's complement 17 = 00010001 For 1's complement -17 = 11101110 For 2's complement 17 =...
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0answers
13 views

How to Convert Matweb Online Datasheet into Usable ANSYS Engineering Datasource

I have a link to a composite material that I wish to import into ANSYS. http://www.matweb.com/search/datasheet.aspx?matguid=8337b2d050d44da1b8a9a5e61b0d5f85 Is it possible to convert these values: ...
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2answers
42 views

How to find raw data sets for engineering?

For one of my courses the teachers asked me to find two samples of 30 or queries of data, and I was thinking on how I could begin to search it? Most of the scientific articles that i looked for ...
2
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0answers
47 views

How can the Microsoft and the Facebook Fibers reach 160 Tbps between Virginia and Bilbao?

According to this article, Microsoft and Facebook have completed a 160 terabits cross-Atlantic cable. Based on my calculations, this doesn't seem probable, so what did I miss in my calculation? The ...
2
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1answer
77 views

Why laptop keyboard has so many bus lines?

I changed one laptop keyboard on the new one and while changing it I noticed that it has 30 line bus. But from my VLSI practice, I know that keyboard can use only 1 data line and 1 clock line (PS/2) ...
2
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2answers
34 views

Measurement of immobile curved surface

I'm not entirely sure if this is the right place to ask this, so apologies in advance if it doesn't belong. I have a curved surface with many small, irregular holes in it that I would like to measure....
1
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1answer
58 views

What is the best graph type to show a comparison value between two cases?

In that graph, I want to show the two values and the error percentage from the comparison between two values. I am using microsoft excel. can anyone give me any idea which best graph for this case? ...
3
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1answer
49 views

What is a good reason if the data from analysis and measurement does not give a good agreement?

Currently I am doing a comparison results between analytical results and measurement results, I compare stress and strain values in 32 specified locations, unfortunately I found that there are some ...
4
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1answer
461 views

Calculating gyro data from accelerometer, pitch, roll and yaw

I am currently collecting accelerometer and attitude data using smartphone sensors. Data is collected at 100Hz over 2.5 seconds. Of which there are 250 accelerometer points and 250 points representing ...
1
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1answer
67 views

Historical data for using supervised learning algorithm in the field of Mechanical Engineering [closed]

Being a student in the field of Mechanical Engineering, I am very new to Machine Learning.I did a couple of basic online courses of Machine Learning (including the one by Andrew Ng on Coursera). So, I ...
1
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2answers
73 views

Choosing significant figures when dealing with a wide range of values

In a calculation I have received a number of values in the range $1e4-1e6$. Now I would like to display the values with 3 significant figures according to the rules of using significant figures. But ...
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2answers
99 views

Data logger via modbus hardware solution

I have 3 programable logic controllers and other one which isn't part of my solution but I can access usefull data via modbus. I've setup windows service on a remote server to gather data and store it ...
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0answers
306 views

Latent heat of fusion of water near triple point

When a thermally isolated vessel of liquid water is depressurized to vacuum, part of water will evaporate, remainder will freeze - total heat being split between latent heat of ice and enthalpy of ...
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0answers
339 views

How can I increase my ultrasonic sensor accuracy?

I am using a long ranged ultrasonic sensor to measure milk height in milk silos. Milk is stirring. Milk Silos Design: Shows two type of silos both are stirred in different direction
3
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1answer
73 views

Difference between broadcasting operation and one-to-many in RF transceiver

While writing a report on data broadcasting I came across this paper where I found description on broadcast operation and one-to-many as shown below broadcast operation; where a single master ...
4
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2answers
71 views

Viscosity of select species at atmospheric pressure for very large temperatures?

I'm dealing with hot combustion products flowing through heat exchangers and I'd like to perform some calculations regarding the flow properties (velocity, temperature, pressure and density) as it ...
0
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1answer
279 views

How is RF data encoded in WAV files?

I have tried recording RF data using several different software packages: SDR Console, SDR# and HDSDR. They all seem to produce WAV files. When I open the HDSDR file in Mathematica, it says the file ...
3
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1answer
262 views

How do I read the component dimension labels given in a schematic?

How to read the dimension labels of this IC?
1
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1answer
264 views

How to find the wear rate of materials in the net?

Are there any free online databases where I can access data for the wear rates of materials? I tried using CES EduPack, but I'm having no luck. Maybe other free and open databases are also existing ...
6
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4answers
812 views

How can I calculate the rate of power consumption of a solar car along a known route with changes in elevation?

I am working on designing and creating a solar powered car for the Solar Car Challenge. The car will have to race from Dallas, TX to Minneapolis, MN in 5 days (~5 hours of driving a day) along back ...
4
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1answer
80 views

How to display data with three degrees of freedom on a chart?

I have a collection of data obtained from calculations and I want to display it on a chart or whiz-wheel or similar, to be used "in the field" as a low-tech solution, since no computer will be ...