Technical Articles
enDAQ Vibration Solutions has published these technical articles:
(Shock and Vibration Control Products)
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Many people jump to comparing the peak acceleration value which we'll prove is not only inadequate but often misleading. But there is a way to summarize a shock event into a single metric that...
(Sensing and Measurement Instruments)
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Using enDAQ sensors, Momentum Engineering Corp. investigated what the correct effective mass for motorcycle/rider combinations should be to accurately calculate speed loss in a motorcycle during...
(Vibration and Acceleration Sensing)
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Using enDAQ sensors, Momentum Engineering Corp. measured the deceleration rates of eight different bicycles during brake-to-stop tests with a single person riding at the same location to determine how...
(Data Acquisition Products)
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Have you ever had two sensor signals measuring different parts of a common system? It can be a real pain to synchronize these signals in post processing if they hadn't been measured by the same data...
(Specialized Industrial Products)
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As IoT grows and exerts its influence over every aspect of our lives, there is no field that has come under its influence more than heavy industries. Manufacturing and production rely on massive and...
(Shock and Vibration Control Products)
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How do we summarize shock analysis in less than 1 sentence?...
(Vibration and Acceleration Sensing)
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Vibration measurement can be achieved with a variety of vibration analysis and monitoring equipment. I've worked (and continue to work) as an engineer building my own vibration measurement systems and...
(Vibration and Acceleration Sensing)
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deciphering-accelerometer-datasheets
Why, why, why are accelerometer datasheets so confusing? There's a reason. Accelerometer companies, understandably, try to position their products in the best...
(Vibration and Acceleration Sensing)
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You know you need an accelerometer; but how do you select the right type for your application? You're not alone if you don't know much about the different types of accelerometers and how they can...
(Pressure Sensing)
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Calculate Altitude from Air Pressure, Calculate Air Pressure at Altitude...
(Filtration and Separation Products)
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Cliffs and Gorges.. Building an Analog Low-Pass Filter...
(Pressure Sensing)
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Wondering what the air pressure is on Jupiter or Mars? Check out our Interplanetary Air Pressure at Altitude Calculator...
(Vibration and Acceleration Sensing)
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What's faster, MATLAB or Python? There are a lot of forums out there comparing the two programming languages; but none seemed to give actual computation times for real analysis. This post will.
In...
(Vibration and Acceleration Sensing)
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This article, recently featured on the Navy SBIR/STTR Success Stories, highlights our Slam Stick Wireless Vibration Recorder (WVR), and explains how it has benefited the US Navy, and its SBIR/STTR...
(Engineering Services)
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The objective is to provide a digitizer that does most of its work in the digital domain. Why:
*Digital calculations are absolutely repeatable.
*We can make a "better" filter there.
*It is a whole...
(Hose, Pipe and Tubing)
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Aerial refueling of helicopters and fixed wing aircraft provides significantly increased mission range, duration, and potential. Refueling engagement maneuvers may sometimes result in large hose...
(Vibration and Acceleration Sensing)
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The Navy needed a method to quickly and easily acquire vibration data in real time on fleet aircraft performing actual mission maneuvers....
(Sensing and Measurement Instruments)
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Absolute vs Relative Direction...
(Vibration and Acceleration Sensing)
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only a small part of the frequency range between zero and the Nyquist frequency is acceptable. What can we do to improve the situation?...
(Vibration and Acceleration Sensing)
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This tool calculates the variables of simple harmonic motion (displacement amplitude, velocity amplitude, acceleration amplitude, and frequency) given any two of the four variables....
(Vibration and Acceleration Sensing)
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Displacement, Velocity, Acceleration, Frequency Calculations...
(Vibration and Acceleration Sensing)
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Thermocouples are sensors that measure temperature. Their applications range from industrial manufacturing and experimental settings to the meat thermometer you use at home. They are often used...
(Vibration and Acceleration Sensing)
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Gathering vibration data can be a complicated and laborious task, analyzing that data shouldn't also always have to be so complicated!
In my last post I covered 6 programming options for vibration...
(Vibration and Acceleration Sensing)
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There are a lot of wireless vibration monitoring systems out there! But finding all of these options available to a vibration analyst can be time-consuming. In this blog post we have consolidated all...
(Transistors)
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I was chatting with my colleague Steve Hanly about his recent post on the Fourier transform and power spectral density, and we thought it might help to go a bit more into the math and guts of the...
(Vibration and Acceleration Sensing)
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FFT, PSD and spectrograms don't need to be so complicated. Once you understand the basics they can really help with your vibration analysis.
In this post I'll try to provide the right mix of theory...
(Vibration and Acceleration Sensing)
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...discuss and compare several different accelerometer types that can be used for vibration measurement....
(Vibration and Acceleration Sensing)
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...discuss and compare several different ways to analyze your vibration data....
(Vibration and Acceleration Sensing)
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Vibration measurement isn't always a straightforward task. Not only are there many different instrumentation and software options you must choose from, finding vetted suppliers can be a task in of...
(Vibration and Acceleration Sensing)
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I was lucky enough to visit the Greater Boston Food Bank, and see how they operate on both their charitable side and their more industrial side. I took some real world vibration measurements from...
(Business and Professional Services)
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SBIR & STTR Grant Awards by State...
(Filtration and Separation Products)
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I hope that, in the preceding blogs, I have convinced you that a low-pass filter is required (most of the time) to assure that your data is not corrupted by aliasing. The next question is: Which of...
(Vibration and Acceleration Sensing)
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You can't get far in vibration testing and analysis without running across and benefiting from a power spectral density (PSD). PSDs, as the name implies, are used to analyze the vibration environment...
(Data Acquisition Products)
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There are a lot of data-driven maintenance strategies, how do you know which one is right for you and your assets? How do you know if any are even better than simple preventative maintenance or no...
(Engineering Services)
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Any engineer will have heard of Python by this stage. But if you are a typical mechanical engineer, it's unlikely you and your team will be using Python for your data analysis...
(Vibration and Acceleration Sensing)
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This post was written in partnership with Queen's University in Kingston, Ontario. Using an enDAQ sensor from our Unit Donation Program, Keegan Franks explored how accelerometers can be used in...
(Vibration and Acceleration Sensing)
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For engineers who need to analyze shock and vibration data, Python can be a very powerful tool. But getting started with Python and understanding its relationship with libraries and IDEs can be a...
(Vibration and Acceleration Sensing)
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The US Navy had a challenge: the crew of a C-2A Greyhound was reporting excessive vibration in the cockpit, yet no abnormal vibrations were being detected by the engine's vibration monitoring system....
(Vibration and Acceleration Sensing)
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Insights from something as simple as affixing a vibration sensor to a bridge and collecting data on one passing train can start the process of building up the data needed to implement a...
(Specialized Industrial Products)
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How to define rotation and what's needed to calculate angular velocity. how to measure rotation and what's required (including formulas) to calculate angular velocity with an accelerometer....
(Vibration and Acceleration Sensing)
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bluShift wanted to understand how much the final version of their hybrid rocket engine vibrated. Using an enDAQ sensor, bluShift was able to get a clearer understanding of vibration in their rocket...
(Vibration and Acceleration Sensing)
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What type of shock and vibration environment does the human wrist experience when playing sports?...
(Data Acquisition Products)
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Spectral-Domain Time-Series Analysis: Tools That Improve Our View and Understanding of the Data...
(Data Acquisition Products)
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An overview on what strain gauges are and how they work....
(Shock and Vibration Control Products)
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How do we evaluate the validity of the data? We know that all experiments have measurement errors. Some data sets are worse than others. Some may simply be bad and should be discarded. Others may have...
(Vibration and Acceleration Sensing)
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Given a vibration signal, an engineer may know how to do some exploratory analysis in the time or frequency domain (see Vibration Analysis Basics), but this requires a human to manually look at the...
(Vibration and Acceleration Sensing)
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Keegan Franks explored how accelerometers can be used in directional drilling to determine properties of surrounding rock based upon an analysis of the vibrations....
(Data Acquisition Products)
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When physiological events (PEs) in naval aviators surged in 2017, the US Navy launched a multi-year investigation to determine the root cause. Using enDAQ sensors in their F/A-18s, the Navy was able...