Important early studied examples of self-oscillation include the centrifugal governor and railroad wheels.
2.
Third is the centrifugal governor, used to automatically regulate the speed of the engine.
3.
Non-rotative beam engines also had no easy means to drive a centrifugal governor.
4.
Centrifugal governors are also used in many modern striking train, so the repeater doesn't run too quickly.
5.
To accomplish this, the centrifugal governor is linked to a pair of cams, one for each admission valve.
6.
Adjustments in power output are made by slowly raising the droop curve by increasing the spring pressure on a centrifugal governor.
7.
The use of the centrifugal governor by James Watt in 1788 to regulate the speed of his steam engine was one factor leading to the Industrial Revolution.
8.
As the load on mill engines and similar uses could vary, closed-loop control such as the engine speed-based centrifugal governor was also needed.
9.
These were widely used in constant speed variable load stationary engines, with admission cutoff, and therefore torque, mechanically controlled by a centrifugal governor and trip valves.
10.
Johnson continued to refine the motor during this period, externalizing the motor and leveraging a triple ball based centrifugal governor design to maintain a constant rate of speed.
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