Articles About open loop
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Over the many years, there have been many technical papers and articles about which motor is the best. The short and sweet answer is - let's talk about the application. More recently a number of papers and articles have appeared that compared each motor's advantages and disadvantages in generic or specific terms. Many times, the methods used to drive and control these motors are not completely described due to the many control schemes available for use. A few articles focus on just the open loop step motor and the closed loop servo motor advantages and disadvantages in a laundry list format. This article is attempting to "drill down" into the reasons why and to describe how it is done.
It is unlikely the hyperloop will inspire Hollywood to start making films emulating the tried-but-true terror-on-a-train genre - a genre that includes many classics. But somehow titles like - Lady on a Hyperloop, Strangers on a Hyperloop, Murder on the Hyperloop Express, Throw Momma from the Hyperloop, The Great Hyperloop Robbery - just don't work. And you can forget about another venerable train travel tradition - the club car - given that you will probably reach your destination sooner than you can say "Jack on the rocks."
High-speed transit system the dreamwork of ideators or idiots?
For the lubrication of open gear drives used in different industrial applications such as cement and coal mills, rotary furnaces, or where the sealing conditions are difficult, semi-fluid greases are often used in preference to fluid oils. For girth gear applications the greases are used with a splash or spray lubrication system. The selection of such greases influences pitting lifetime and the load-carrying capacity of the gears, as well as wear behavior
When selecting an open gear lubricant for use in a particular application, the method of application used must be considered.