May
30

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Bard-1_Foto

The State of the Art in Wind Power

Wind turbines are complex systems that convert the low speed, low kinetic energy of wind into electricity.  The current state of the art involves using very large propellers…

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May
30

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Persian Windmill

Insights from 1400 Year Old Windmills

Windmills have figured prominently in mankind’s ability to prosper on planet earth.  The windmill gets its name from using wind power to grind (mill) grain for food.  One…

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May
27

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Bard-Offshore-windpark

The Obvious isn’t always…

Engineering of complex systems can sometimes be represented as a series of simplified approximations based on the performance of known subsystems.  In the case of wind turbines, there…

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May
10

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Archimedes’-Screw

Pumps and Pumping

Processing water after it has been used into potable water is a complex mix of chemical, mechanical and electrical engineering disciplines.  The mechanical problems to be solved include…

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May
1

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water cycle2

Water Crisis in America

Water, somewhat like matter and energy, is not really created or destroyed.  We do not literally consume water, and then there is no more, we use water and…

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Manufacturing Trends

positioning

Position or not Position?

Sunday, April 17, 2016

In the last post there was some discussion of how positioning is accomplished from a general perspective.  As with all things in the world of mechatronics there are…

Reluctance-motor-with-coil-designations_thumb

Motor Changes

Sunday, March 27, 2016

Electric motors are the workhorse of industry.  Globally 20% of all energy generated is in the form of electricity.  Electric motors consume 40% of all electricity.   Electric…

maze

Managing Complexity

Sunday, March 13, 2016

Engineers and designers frequently seek simplicity as a measure of merit in products and machine designs.  Simplicity has many virtues.  Simplicity often means high reliability.  Simplicity can translate to long…

Control System Language

Sunday, February 28, 2016

Programming control systems is a complex matter.  Some of the complexity is the history behind it, some is hardware related and some is the interdependency of hardware and…