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koochiee
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Can anyone tell me if Control bandwidth and closed loop bandwidth means the same thing? If not what does control bandwidth mean?
Please & Thank you!
Please & Thank you!
Careful! The graph doesn't show DC gain ...donpacino said:koochiee your hypothesis is correct. The easiest way to increase the bandwidth is to increase the dc gain on the system by 40 dB.
Control bandwidth refers to the range of frequencies or data rates that a control system can effectively handle and respond to. It is an important consideration in designing feedback control systems, as a wider control bandwidth allows for faster and more accurate responses.
Control bandwidth and closed loop bandwidth are closely related, as the latter is a measure of the bandwidth of the feedback loop in a control system. Closed loop bandwidth is typically narrower than control bandwidth, as it takes into account the delays and limitations of the feedback loop in a control system.
The control bandwidth of a system determines its ability to effectively respond to changes or disturbances in the controlled variable. A wider control bandwidth allows for faster and more accurate responses, but it also requires more complex and expensive control systems. Therefore, control bandwidth is an important factor to consider in the design of control systems, balancing performance and cost.
Control bandwidth can be measured in hertz (Hz) or bits per second (bps), depending on the type of system. In electrical control systems, it is often measured in Hz, while in data communication systems, it is measured in bps. The control bandwidth can be determined through experiments or simulations, and it can also be calculated from the system's transfer function.
The control bandwidth of a system is influenced by various factors, such as the type of control algorithm used, the speed and accuracy of sensors and actuators, and the processing capabilities of the control system. Other external factors, such as noise and disturbances, can also affect the control bandwidth. Additionally, the physical limitations of the system, such as its inertia and response time, can also impact the control bandwidth.