Timeline for Is it possible to account for motor dead-band in a Laplace model of a feedback DC motor system?
Current License: CC BY-SA 4.0
4 events
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| Aug 23, 2019 at 13:46 | history | edited | Harry Svensson | CC BY-SA 4.0 |
There, I googled it for you.
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| Aug 23, 2019 at 1:50 | comment | added | Kenny | I will just add as well that the basic DC motor system I'd like the control (under feedback operation) can be assumed to be operating with the motor shaft spinning, uni-directional. Virtually no-load is ok too. I was thinking of estimating open-loop motor Voltage_in versus Velocity out to estimate Kv. And also open loop step response to estimate a time-constant. And the idea was to use these values in the second order model. Due to dead-band, I think I may have to measure Volt_in versus Veloc_out in open loop mode, and find Kv (slope) of the 'approximated' straight 'line'. Thanks again all!! | |
| Aug 23, 2019 at 1:28 | comment | added | Kenny | Marko, Voltage, Tim --- thanks so much for your help. Genuinely and greatly appreciated. It helped a lot - as there are lots of sources that show Laplace models of systems feedback systems - general second order type, but have not been able to find documents that mention what general results we could expect, or even whether it is possible under certain conditions to make the output velocity underdamped response (under feedback conditions) become dependent on estimated second order system parameters, like damping ratio, and Kv etc. The information you all provided are massively helpful. | |
| Aug 22, 2019 at 21:47 | history | answered | TimWescott | CC BY-SA 4.0 |