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OfflineHagbardCeline
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With a stepper motor and controller, is there a built in method of load sensing?
    #27021685 - 11/04/20 03:20 PM (3 years, 2 months ago)

I was thinking of using a few stepper motors in a mechanism but I want to be able to limit the force used when too much resistance is detected. Ideally it would have a variable range where limits could be set.

I thought I remembered some feature or easy hack that allows for this sort of thing, but a quick search didn't yield anything.


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I keep it real because I think it is important that a highly esteemed individual such as myself keep it real lest they experience the dreaded spontaneous non-existance of no longer keeping it real. - Hagbard Celine


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InvisibleIdiotCircusBoy
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Re: With a stepper motor and controller, is there a built in method of load sensing? [Re: HagbardCeline]
    #27021909 - 11/04/20 05:18 PM (3 years, 2 months ago)

I think you're talking about a PID Controller?


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Invisiblekoraks
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Re: With a stepper motor and controller, is there a built in method of load sensing? [Re: IdiotCircusBoy] * 2
    #27022485 - 11/05/20 12:29 AM (3 years, 2 months ago)

Yes, there are ways to sense eg the current that flows through the motor, which is proportional to the amount of torque that is generated. Some stepper motor controllers have built in functionality that allow for this kind of sensing.


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Offlinechibiabos
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Re: With a stepper motor and controller, is there a built in method of load sensing? [Re: HagbardCeline]
    #27028270 - 11/08/20 09:53 AM (3 years, 2 months ago)

Quote:

HagbardCeline said:
I was thinking of using a few stepper motors in a mechanism but I want to be able to limit the force used when too much resistance is detected. Ideally it would have a variable range where limits could be set.

I thought I remembered some feature or easy hack that allows for this sort of thing, but a quick search didn't yield anything.



Not too familiar with what you have in mind, but why not just use a circuit breaker?


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OnlineLogicaL ChaosM
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Re: With a stepper motor and controller, is there a built in method of load sensing? [Re: koraks] * 1
    #27028417 - 11/08/20 11:12 AM (3 years, 2 months ago)

Quote:

koraks said:
Yes, there are ways to sense eg the current that flows through the motor, which is proportional to the amount of torque that is generated. Some stepper motor controllers have built in functionality that allow for this kind of sensing.




Thats what Im thinking. A computer program to monitor the amperage flow and use that as a "sensor" to detect when too much torque is being used when high resistance is encountered.


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Invisiblekoraks
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Re: With a stepper motor and controller, is there a built in method of load sensing? [Re: LogicaL Chaos] * 2
    #27028526 - 11/08/20 12:30 PM (3 years, 2 months ago)

Yeah, it should be fairly straightforward to program this into an arduino/esp8266 etc.


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OfflineHagbardCeline
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Re: With a stepper motor and controller, is there a built in method of load sensing? [Re: koraks]
    #27042406 - 11/16/20 03:24 PM (3 years, 2 months ago)

Quote:

koraks said:
Yeah, it should be fairly straightforward to program this into an arduino/esp8266 etc.





Perfect, thank you for responding. The other post you made above is what I think I was remembering.


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I keep it real because I think it is important that a highly esteemed individual such as myself keep it real lest they experience the dreaded spontaneous non-existance of no longer keeping it real. - Hagbard Celine


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OfflineIce9
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Re: With a stepper motor and controller, is there a built in method of load sensing? [Re: HagbardCeline]
    #27054745 - 11/23/20 10:58 PM (3 years, 2 months ago)

Piezo sensor?


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The reasonable man adapts himself to the world; the unreasonable one persists in trying to adapt the world to himself. Therefore, all progress depends on the unreasonable man. -- George Brenard Shaw


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OfflineHagbardCeline
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Re: With a stepper motor and controller, is there a built in method of load sensing? [Re: Ice9]
    #27056612 - 11/25/20 05:57 AM (3 years, 2 months ago)

Quote:

Ice9 said:
Piezo sensor?




Maybe. I'm not sure what kind of ranges they sense, but if there is a built in method that already has software/hardware control developed, that would seem the ideal solution for me.


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I keep it real because I think it is important that a highly esteemed individual such as myself keep it real lest they experience the dreaded spontaneous non-existance of no longer keeping it real. - Hagbard Celine


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Offlinechibiabos
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Re: With a stepper motor and controller, is there a built in method of load sensing? [Re: HagbardCeline]
    #27056915 - 11/25/20 10:35 AM (3 years, 2 months ago)

Quote:

HagbardCeline said:
Quote:

Ice9 said:
Piezo sensor?




Maybe. I'm not sure what kind of ranges they sense, but if there is a built in method that already has software/hardware control developed, that would seem the ideal solution for me.



Again, what are you actually trying to accomplish?  It would really help if there was some sort of context for what the stepper motor is actually for and what the rest of the circuit looks like.


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OfflineHagbardCeline
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Re: With a stepper motor and controller, is there a built in method of load sensing? [Re: chibiabos]
    #27068670 - 12/02/20 05:11 PM (3 years, 1 month ago)

Sorry, I wasn't asking for more guidance. I was able to find everything I needed.

Thank you for helping though.


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I keep it real because I think it is important that a highly esteemed individual such as myself keep it real lest they experience the dreaded spontaneous non-existance of no longer keeping it real. - Hagbard Celine


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