SCHOLARSHIP APPLICATION: (Deadline: APRIL 30th, 2026)
Please ensure all fields are filled in completely.To view previous winner: Click Here
(IF YOU HAVE ANY QUESTIONS, PLEASE EMAIL THE PROGRAM ADMINISTRATOR AT RYAN@STUDENTSCHOLARSHIPS.ORG)
Forklift Control Valves
Forklift Control Valve - Automatic control systems were first created over two thousand years ago. The ancient water clock of Ktesibios in Alexandria Egypt dating to the third century B.C. is considered to be the very first feedback control machine on record. This clock kept time by way of regulating the water level in a vessel and the water flow from the vessel. A common style, this successful machine was being made in a similar fashion in Baghdad when the Mongols captured the city in 1258 A.D.
Throughout history, a variety of automatic devices have been utilized to be able to accomplish specific tasks or to simply entertain. A popular European design through the 17th and 18th centuries was the automata. This particular piece of equipment was an example of "open-loop" control, comprising dancing figures that would repeat the same task repeatedly.
Closed loop or likewise called feedback controlled tools include the temperature regulator common on furnaces. This was actually developed in 1620 and accredited to Drebbel. Another example is the centrifugal fly ball governor developed during the year 1788 by James Watt and utilized for regulating the speed of steam engines.
J.C. Maxwell, who discovered the Maxwell electromagnetic field equations, wrote a paper in the year 1868 "On Governors," that could explain the instabilities exhibited by the fly ball governor. He utilized differential equations to be able to explain the control system. This paper demonstrated the importance and helpfulness of mathematical methods and models in relation to comprehending complicated phenomena. It even signaled the beginning of mathematical control and systems theory. Previous elements of control theory had appeared before by not as convincingly and as dramatically as in Maxwell's analysis.
New control theories and new developments in mathematical techniques made it possible to more accurately control more dynamic systems than the original model fly ball governor. These updated methods consist of various developments in optimal control in the 1950s and 1960s, followed by advancement in robust, stochastic, adaptive and optimal control techniques in the 1970s and the 1980s.
New applications and technology of control methodology has helped make cleaner engines, with more efficient and cleaner methods helped make communication satellites and even traveling in space possible.
Initially, control engineering was carried out as just a part of mechanical engineering. Control theories were originally studied with electrical engineering because electrical circuits can simply be described with control theory methods. Nowadays, control engineering has emerged as a unique discipline.
The first controls had current outputs represented with a voltage control input. So as to implement electrical control systems, the right technology was unavailable at that moment, the designers were left with less efficient systems and the option of slow responding mechanical systems. The governor is a really efficient mechanical controller that is still often used by several hydro factories. Eventually, process control systems became accessible prior to modern power electronics. These process controls systems were often utilized in industrial applications and were devised by mechanical engineers utilizing pneumatic and hydraulic control devices, lots of which are still being used at present.
Click to Download the pdf
Forklift Parts
Lift Parts Express
TOLL FREE: 1-888-695-7994
Savannah, Georgia
forkliftpartssavannah.com
Email Us
About Us