Camera specific gimbles
- Thread starter baker2055
- Start date
They make them so people dont have to balance cameras on their own. It is a turnkey no fuss solution.
I also don't see the point because of their lack of flexibility.
econfly
Member
Gimbal motors operate best for a known weight, the gimbal software drives the motors based on that weight, and balance is critical for proper function. Add in camera-dependent components (e.g., mounting points, hdmi plug type, power input type, lanc controller or LED controller, etc.). So, products like the Zenmuse specify a specific camera and lens. There are plenty of options for adjustable gimbals, but by their nature they target/require a user more into tinkering with settings, balancing the system correctly, etc.
gtranquilla
RadioActive
IMHO - Stepping outside of the intended BGC design for specific camera can quickly lead to a host of configuration and calibration challenges and a lot of bogus product returns.
The better designed BGCs have in addition to PID loop control for each axis, a torque or deadband adjustment parameter.
Many overlook this parameter which is separate from PID loop tuning. If not set correctly, the camera will drift or there will be rapid low amplitude ripples in one or more of the camera axes. Also the output drivers and FETs for each axis motor are sized for a specific range of camera weights. When using heavier cameras the undersized FETs will overload or burnout.
The better designed BGCs have in addition to PID loop control for each axis, a torque or deadband adjustment parameter.
Many overlook this parameter which is separate from PID loop tuning. If not set correctly, the camera will drift or there will be rapid low amplitude ripples in one or more of the camera axes. Also the output drivers and FETs for each axis motor are sized for a specific range of camera weights. When using heavier cameras the undersized FETs will overload or burnout.
Brushless motors lack the torque that servos have and so brushless gimbals are very sensitive to weight distribution relative to the COG. If the COG is out when the camera is on the gimbal you end up with problems. Servo based gimbals also were sensitive to the COG however because of the torque the servos could deliver most people didnt realize they could enhance perfomance by correctly balancing all 3 axis of the COG on the gimbal.
If you are happy to balance your cameras if changing camera or lens then there are gimbals out there that give you those options.