Guest Blogs
Content posted in May 2014
Why the Goodman Diagram Is Not So Good
Guest Blogs 
5/30/2014  5 comments
It's time for the Goodman diagram to be retired. More accurate equations are available and are just as easy to use.
Design a Crankless Engine
Guest Blogs 
5/29/2014  27 comments
Since the invention of the internal-combustion engine, a Slider Crank mechanism has been used to transfer power from the combustion chamber through the piston to the connecting rod to the crankshaft. Over time, many changes have occurred in the combustion chamber to improve power and reduce emissions.
The Importance of UAVs
Guest Blogs 
5/28/2014  5 comments
Control is the defining enabler for UAV technologies.
Don’t Go Halfway to Closed-Loop Control
Guest Blogs 
5/27/2014  1 comment
Closed-loop control of a single servo-quality proportional valve based on position and pressure/force is not hard to do -- if you plan ahead.
The Ever-Increasing Value of Modeling
Guest Blogs 
5/14/2014  4 comments
Engineers should have the necessary mathematical skills to solve numerical problems. Without underestimating the value of solving skills, it will be more beneficial to new engineers if future textbooks devote a majority of their pages to modeling and interpreting the results.
Congress Is Working on an Energy Bill… Again
Guest Blogs 
5/14/2014  6 comments
Congress is once again working on the bi-partisan Shaheen-Portman bill that will bring forth many energy efficiency measures to add as many as 190,000 jobs and save as much as 12 quads of energy by 2030.
May Is National Electrical Safety Month
Guest Blogs 
5/12/2014  3 comments
National Electrical Safety month is in full swing, so this is a good time for reviewing electrical safety practices.
Don't Leave Fluid Power Component Selection to Chance
Guest Blogs 
5/8/2014  6 comments
There’s a science to constructing optimally performing systems.
'Necessary & Sufficient' Cover the Safety Level
Guest Blogs 
5/7/2014  10 comments
There are many basic principles and maxims that engineers can use to solve simple problems. One trick is to ask at least two questions. First, what is necessary to satisfy the requirement? Second, what is sufficient to satisfy the requirement?
Options for Switch-Mode Power Supply Design
Guest Blogs 
5/5/2014  1 comment
With renewed demand for LED lighting solutions in recent years, there are several options to get started with building a power supply. Consider the following tips, specific to electrical power supply.
Migrating Legacy Devices to the IIoT
Guest Blogs 
5/2/2014  3 comments
Following on the heels of breathless coverage of consumer Internet of Things (IoT) applications, the Industrial Internet of Things (IIoT) is now also garnering some well-deserved attention.
Fluid Power Is Alive & Well in the Era of Energy Conservation
Guest Blogs 
5/1/2014  2 comments
Despite what some people think, fluid power systems are capable of very high-performance motion control. A well-designed, closed-loop hydraulic actuator can do things that motors can't do economically and reliably, such as positioning very heavy loads with a 10-micron resolution or better.

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