Sensors

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Questions related to Sensors

Selecting an Isolated Voltage Sensor for a DC-DC Converter?

I need to provide an isolated voltage sensing for control circuitry of a DC-DC power converter (it needs to sense the 350 VDC output voltage). Does anyone have any recommendation about selecting...

15 December 2019 7,666 3 View

What are the gaps in sensor less speed control of induction motor in Electric vehicle?

The speed estimation of induction motor at low speed is not precise and this affects the sensor less control of induction motor . I like to know whether the above limitation affect performance...

10 December 2019 2,832 5 View

How do we optimize the time and space complexity of a matlab code?

I have a spectrum recovery algorithm based on OMP. I want to use it for wireless sensors to optimize their data procession and data transfer as they generate loads of sensed parametric data. My...

06 December 2019 3,539 3 View

How to calibrate a Pitot tube for a boundary layer wind tunnel?

Could someone please recommend me how to calibrate a differential pressure sensor for a pitot tube that will be used in a boundary layer wind tunnel, I bought a Pitot tube 160E Dwyer and a...

04 December 2019 1,051 3 View

Dear Researcher, Please can you address the following queries. On fluorescence life time decay and its relation to the Fluorescence emission?

1. If the fluorescence life time decay of the probe+metal is smaller than the free probe, will the fluorescence emission of the probe+metal be higher or lower than the probe - Whether it will be...

04 December 2019 8,904 3 View

Accelerometer not responding to continuous thrust or force?

I have a analog MEMS accelerometer MMA from freescale and I am trying to connect to my application to monitor the impact. During my initial test, I found I can see a signal peak whenever a...

04 December 2019 5,511 4 View

How to find the Covariance of the noise in the result(output value) given the ground truth?

I have a basic doubt in statistics.(I am working with kalman filter) Lets say i get a state variable 'Xt' for each time instance t as the kalman filter output.And for each time step, i also have...

29 November 2019 1,388 3 View

How to avoid the interference signals arising because of the wires in Digital oscilloscope?

I am trying to make pressure/force sensors and measuring the corresponding signals on digital oscilloscope (DSO). But most of the time observing the interfering signals because of the wires/clips...

28 November 2019 3,323 5 View

Why in any research use the 4th self-image to determine the Multimode sensor lenght in single-multi-single mode fiber sensor ?

I currently doing a research in fiber sensor using MMI, but i don't know how to determine the lenght of the multimode sensor. All reference that i read used the 4th self-image for determining the...

25 November 2019 6,822 1 View

How do we determine the position and orientation of a moving robot ??

How do we determine the position and orientation of a moving robot using IMU sensors such as MPU6050 or MPU9250 (i.e. accelerometer , gyroscope and magnetometer sensor data)??? kindly advise...

23 November 2019 8,008 5 View

Method to collect data?

Hello everyone, I am currently doing my research in Data Science. The research relies on collecting health data through sensor devices. My supervisor asked me to collect data from crowdsourcing....

18 November 2019 5,312 3 View

Are there recommendations to buy some small mobile robots to test our multi-robot algorithms?

We would like to validate and test our multi-robot algorithms with some research-platformed mobile robot. Are there recommendations to buy some small mobile robots to test our multi-robot...

16 November 2019 5,961 3 View

What are the differences of using GSG probe vs GS probe?

Hi all, we are doing the measurement on the MEMS based sensor, what are the differences if we use GS or GSG probe for the measurement? What are the impacts if we use GS probe instead of GSG probe?

14 November 2019 8,190 1 View

How to use Kalman filter if measurement equation includes two state vectors in different time, Such as y(t) = x(t) - x(t-\tau)?

I try to use a Kalman filter on the sensor output data. The measurement is a differential value that represents a difference between two states at time t and t-\tau, y(t) = x(t) - x(t-\tau). In...

29 October 2019 7,769 3 View

Is it possible to use BIS Quatro Sensor together with a standard 64-channel EEG Cap?

I would like to ask if it's possible to use BIS Quatro Sensor together with a standard 64-channel EEG Cap? What would be the recommended montage in that case?

24 October 2019 1,192 3 View

How to Connect 4 ultrasonic proximity probes, 6 thermistors, Relative humdity, and air temperature sensor at the same time to a Data logger ?

I am conducting an experiment on 6 samples at the same time, 6 thermistors are needed to monitor the samples' internal temperature, at the same time 4 Ultrasonic Proximity probes are needed (...

22 October 2019 3,491 2 View

How to derive multiple gasses from a gas sensor which only has 3 sensing elements?

I'm looking at the datasheet of the MiCS-6814 from Sensortech, and it says it measures Ammonia, Carbon Monoxide, Ethanol, Hydrogen, Iso-Butane, Methane, Nitrogen Dioxide, Propane but it has only 3...

21 October 2019 4,249 5 View

I'm trying to count Yeast Cells, will Hemocytometer be a good option? is there any optic sensor or camera with which I can DIY?

I have a few biological processes which will affect the count of the yeast cells, which needs to be counted frequently and often

16 October 2019 5,313 1 View

How graphene and magnetic nanowires of Co, Ni, Fe could be used for sensor applications?

I have synthesized Co, Ni, Fe, Cu nanowires and Graphene. What are the possible ways to mix them up and use them for sensor applications?

12 October 2019 4,790 3 View

How to check air quality data automatically and manually from small format electrochemical sensor?

Hi, I am working on a project which aims to find out methodology for checking air quality data measured by low-cost electrochemical sensor automatically and manually. I know one way of checking...

10 October 2019 1,845 2 View

Can anyone suggest a good PM 2.5 sensor to be used indoors?

My research is about measuring particulates accumulation in indoor environment.

10 October 2019 6,193 2 View

How we can determine LoD of a voltametric sensor?

many answers are available here, which says the standard deviation of the blank should be taken for the calculation. But my doubt is how we can find out the standard deviation of the blank if we...

10 October 2019 9,629 3 View

Which is the best current sensor to sense DC current of range 10-15A?

I want to use this sense current value in Matlab.

10 October 2019 3,711 3 View

How to derive multiple gasses from a gas sensor which only has 3 sensing elements?

I'm looking at the datasheet of the MiCS-6814 from Sensortech, and it says it measures Ammonia, Carbon Monoxide, Ethanol, Hydrogen, Iso-Butane, Methane, Nitrogen Dioxide, Propane but it has only 3...

10 October 2019 6,735 6 View

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