Technical World

Theoutputfeedsback totheinput

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Unformatted text preview: won’t be magic in about 8 weeks. It will just be homework) 4. This moves the helicopter in the world, and we repeat 26 I am providing control: 1. I sense the position of the helicopter by watching it 2. I compute an appropriate reaction 3. I actuate sticks on my remote move the • Which magically moves the motors on the helicopter (It won’t be magic in about 8 weeks. It will just be homework) 4. This moves the helicopter in the world, and we repeat my eyes: sense my brain: compute my fingers: actuate 27 The basic controller block diagram This is one of the most common system diagrams We will be using it extensively in this course This is a feedback system. The output “feeds back” to the input. This is also a control loop. (Because it controls and it loops) my eyes: sense my brain: compute my fingers: actuate 28 Feedback and control loops are everywhere: Sensor Computer Actuator Building thermostat Automobile cruise control R/C helicopter heading lock [switch to white board] 29 Heading lock? What is that? 30 The Cheetah’s Vestibular Syste...
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