Discussions

Setting Minimum Throttle to avoid pitfall while switching from Altitude holding modes(loiter,alt_hold) to manual modes (stabilize,acro)

Posted by Raj Joshi on March 14, 2013 at 10:11pm

Hi all,

I want to avoid the pitfall of the quad descending alarming when we switch to manual modes from the auto modes. Adjusting the hover position of the throttle and then switching back is not practical especially when you are in a panic condition.

Can the parameters THR_MIN, THR_MID and THR_MAX be used to achieve anything tangible? What is expected to happen if I increase the parameter THR_MIN from the default 130 to some higher value?

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291, alt_hold, arducopter, minimum, mode, stabilize, throttle, switching

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Replies

T3

Richard Boyhan March 15, 2013 at 7:14am

You really don't want to change the min or max. You do want to set the mid to wherever your throttle stick maintains hover. This way when you enter or exit alt hold you copter should be close to hover. Keep in mind that when you exit alt hold you will need to manually control the altitude of the copter.