Timeline for Is it possible to use an electrical motor with a constant torque while simultaneously turning against it?
Current License: CC BY-SA 4.0
4 events
when toggle format | what | by | license | comment | |
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Jan 11, 2021 at 1:12 | comment | added | user57037 | I don't doubt such simplistic controllers exist. I just haven't run across them. | |
Jan 10, 2021 at 23:57 | comment | added | Bruce Abbott | @mkeith industrial servo controllers should all have current/torque limiting, but most 'hobby' servos just rely on motor and driver resistance. They are not designed to be stalled or driven backwards, and may burn out if that happens. Some higher quality 'digital' hobby servos have an over-current cutout that (hopefully) protects them from burning out with excessive load. | |
Jan 10, 2021 at 22:10 | comment | added | user57037 | The controllers I am familiar with would never do that. They would apply negative torque up to the torque limit (thus keeping regen current within bounds). Maybe some controllers apply open-loop reverse voltage, though. | |
Jan 10, 2021 at 20:57 | history | answered | Bruce Abbott | CC BY-SA 4.0 |