240 ILS Feedback systems - Feedback systems Complications...

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Feedback systems
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Complications of feedback In notions of feedback, local events and processes are attached to up- scale considerations. This raises the issue of logical types.
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Logical Types Carnivore / Herbivore - SAME Carnivore / Dog - DIFFERENT Dog / My dog Raven - DIFFERENT
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Why does a mirror switch you left right but not up down ? Book right hand Book left hand Up and right are different logical types
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It is an issue of levels of analysis, and so logical types At the lower level left and right dominate as the image is given its own identity, with its own left and right. There is a switch.
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It is an issue of levels of analysis, and so logical types At the upper level up and down dominate as the original, the image and mirror are unified. Up is up. Down is down. Right is right side. There is no switch.
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Up is a different logical type from Right because: UP We share it. Refers to context. Higher logical type. RIGHT You own it. Exists only within. Lower logical type.
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Feedbacks have 4 logical types of + versus - Input stimulus Sign on the arrows Feedback loops Value of feedback Increase or decrease in the value of one of the components as a
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This note was uploaded on 02/14/2011 for the course ORGANIC CH 341 taught by Professor Idk during the Spring '11 term at University of Wisconsin.

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240 ILS Feedback systems - Feedback systems Complications...

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