Suman Maroju

17 Questions 39 Answers 0 Followers

Questions related from Suman Maroju

Can anybody suggest a good railway bridge health monitoring laboratory that one can visit for Knowledge exchange?

We are a team from IIT Kharagpur, India working in a SHM project with Indian Railways, RDSO India. We are looking forward to visiting a SHM research laboratory as knowledge exchange tour. So if...

18 June 2015 5,221 4 View

Which models are best suited for time series data?

I am currently using an auto regression model for time series data. What other models can perform better. I am basically trying to model the vibration of an accelerometer data.

19 March 2015 5,328 5 View

How can one design a classifier for simple correlation based features explained below?

I am doing some simple detection of voice. Say I have 10 samples of a person "A'S "voice.1,2,.......10 (10 samples of A uttering say "Hello"). Now I want to design a simple system which can...

07 February 2015 454 4 View

Is there any ready made tool box available to analyze ECG signal?

I want to do complete analysis from ecg signal,like any disorders are present in the signal pattern etc. So is there any open source library available to do the analysis in matlab or c.

15 January 2015 4,058 6 View

What exactly is the difference between the shaker test and the impact test in vibration analysis?

Say I hit the free end of cantilever beam hinged at other end with a hammer and find the frf of middle point on the beam. In the second case I put the shaker at the free end of the same hinged...

27 November 2014 2,003 9 View

Mahalnobis distance can be used to differentiate between two signals, but what other alogorithms exits to differentiate the signals?

I can find mahalnobis distance for my particular type of signal, say for vibration data of healthy structure and then compare the distance with the unhealthy ones to detect it. So what are such...

27 November 2014 5,637 2 View

Which embedded hardware performs fastest in terms of real-time computation time?

Which boards perform best for real time calculations? Do Beagle board types of hardware calculate faster, or do other low level micro controllers do the real time computation fast?

17 November 2014 5,607 7 View

How can I to properly use rational polynomial to fit my data?

I have observed that curve fitting through rpf method is very dependent on the range of data being taken It fits differently for different range of same data. I am attaching three pics where rpf...

12 November 2014 1,811 3 View

How is operations mode shape calculataed and how different are they from normal mode shapes?

Please can any body give the details of calculating operational mode shape of a structure. As far as I know to get mode shape, first a FRF is obtained from series of sensors and then rpf (...

07 November 2014 5,482 3 View

What is the best embedded platform to dump my linux c code?

We have writting an algo in linux c which works well.But not I want to dump it to a hardware platform for better portability, power efficiency and other factors like cost scalability etc. So which...

31 October 2014 7,755 6 View

What are the best current techniques to detect damages in a structure?

Which are the best techniques to detect damages in civil structures particularly in Bridges? Whether model based or non model based techniques work better? Like non-model based we have statistical...

29 October 2014 6,150 12 View

How can I make custom deck section in sap2000/csibridge?

I am modelling a bridge which has different dect section requirements other than provided by the CSI Bridge software. So How to make custom dect section in csi bridge?? Actually I am making a...

16 October 2014 563 3 View

How can I get the FRF of a bridge on which a train moves, if I have only an accelerometer sensor installed on the bridge?

I have installed accelerometers on a bridge on which train goes. I don't have any force sensors on the bridge. Now in this condition can I calculate the FRF of the bridge. FRF=Acceleration...

14 October 2014 9,435 8 View

How to get force function for a moving train over a railway track?

Suppose I want to calculate FRF curve for moving train over railway track then how can I get the force function for the train? How can I calculate the force function from accelerometer data?

26 September 2014 4,863 3 View

How can I calculate Force /force function from accelerometer data?

Suppose I want to find the FRF- Frequency Force Function of a cantilever beam. I am using 10g accelerometer which gives me the acceleration values of the beam after impact. Now I want to get the...

26 September 2014 8,666 6 View

What is the best software to automate the bridge modelling using scripting or programming?

I want to automate all by bridge modelling not directly using the program interface rather using a scripting language like matlab,vba,.net etc. Sap2000 provides OAPI but I could not find options...

22 August 2014 8,830 13 View

How can I import a .s2k file to an existing model using sap2000 Oapi?

Hi all, I can import an .s2k file to an existing model using Sap2000 GUI program using File>Import options. But I am unable to find function to do this in through SAP OAPI. I basically want to...

06 August 2014 9,393 1 View