multiple-loop feedback

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• Minor loop feedback — is a classical method used to design stable robust linear Feedback control systems using feedback loops around sub systems within the over all feedback loop.[1] The method is sometimes called minor loop synthesis in college text books,[2][3] some …   Wikipedia

• Feedback linearization — is a common approach used in controlling nonlinear systems. The approach involves coming up with a transformation of the nonlinear system into an equivalent linear system through a change of variables and a suitable control input. Feedback… …   Wikipedia

• Phase-locked loop — PLL redirects here. For other uses, see PLL (disambiguation). A phase locked loop or phase lock loop (PLL) is a control system that generates an output signal whose phase is related to the phase of an input reference signal. It is an electronic… …   Wikipedia

• Negative feedback amplifier — Figure 1: Ideal negative feedback model A negative feedback amplifier (or more commonly simply a feedback amplifier) is an amplifier which combines a fraction of the output with the input so that a negative feedback opposes the original signal.… …   Wikipedia

• Optical feedback — Example 1. Optical feedback Example 2. Screenshots of optical feedback Optical feedback is the …   Wikipedia

• Closed-loop pole — Closed loop poles are the positions of the poles (or eigenvalues) of a closed loop transfer function in the s plane. The open loop transfer function is equal to the product of all transfer function blocks in the forward path in the block diagram …   Wikipedia

• Positive feedback — Alarm or panic can spread by positive feedback among a herd of animals to cause a stampede. Positive feedback is energy taken from the output of a system and reapplied to the input, which is phase congruent with the input signal. A system… …   Wikipedia

• Audio feedback — (also known as the Larsen effect after the Danish scientist, Søren Larsen, who first discovered its principles) is a special kind of positive feedback which occurs when a sound loop exists between an audio input (for example, a microphone or… …   Wikipedia

• Applications of Multiple Coordinate Systems — The application of multiple coordinate systems is an effective tool in control systems. The usage of multiple coordinate systems can improve the efficiency of calculations as well as enhance clarity in operations. Mathematically, coordinate… …   Wikipedia

• Full state feedback — (FSF), or pole placement, is a method employed in feedback control system theory to place the closed loop poles of a plant in pre determined locations in the s plane. Placing poles is desirable because the location of the poles corresponds… …   Wikipedia

• H-infinity loop-shaping — is a design methodology in modern control theory. It combines the traditional intuition of classical control methods with H infinity optimization techniques to achieve controllers whose stability and performance properties hold good in spite of… …   Wikipedia