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One major advantage of feedforward controls is that it prevents large disturbances in your output. A disadvantage is that it may not account for all potential disturbances in the input, leading to large disturbances in the output.
As there is no alternative to input and output devices, other than doing nothing, they have no inherent disadvantages.
An advantage of a thermal printer is printing speed and quality. A disadvantage of a thermal printer is the higher cost.
The main disadvantage should be obvious - when the output voltage of the generator is used to provide field current to the generator....what happens if the output voltage sags? If the output voltage becomes depressed, the output power of the generator is compromised (becomes less and less), this in turn can cause the output to become more depressed, leading to an incrementally decreasing output capability. The main advantage is cost savings.
its power output is not predictable
Perhaps it would be better for you to research what "output device" means. If you need to output something, you need an output device. There is simply no alternative to which you can compare it.
Output force can be found by multiplying the input force by the mechanical advantage of a machine. The mechanical advantage is the factor by which a machine multiplies the input force to generate the output force. The formula for calculating mechanical advantage is output force/input force.
Efficiency of a machine or mechanical advantage
Mechanical advantage is calculated by dividing the output force by the input force. The correct formula is: mechanical advantage = output force / input force.
mechanical advantage
No, a machine's mechanical advantage is the ratio of the output force to the input force. It indicates how much a machine multiplies the input force to produce the output force. The formula for mechanical advantage is output force divided by input force.
mechanical advantage