Galil Motion Control (Rocklin, CA) offers the
DMC-300xx Pocket Motion Controller Series, a
single-axis Ethernet motion controller that combines
a motion controller and an 800W sine drive
in a 3.9 × 5.0 × 1.5" package. It is also available as
a controller-only model that can be connected to
a stepper or servo motor amplifier of any power
range. The controller uses a 32-bit RISC processor
and features a 15-MHz encoder frequency, 125-
microsecond servo loop update time, and 3-MHz stepper pulse output.
The controller drives brushless servomotors at 20-80 VDC, up to 10
Amps continuous, and 15 Amps peak. The digital transductance amplifier
is a sinusoidally commutated brushless motor amplifier that minimizes
torque ripple. Modes of motion include point-to-point positioning,
position tracking, jogging, contouring, electronic gearing, ECAM,
and PVT. It provides optically isolated inputs and outputs.
This week's Question: Amazon recently filed a patent for parachute-aided delivery of packages. The proposed idea imagines drones releasing parcels from the sky, deploying parachutes to slow their descent and ensure the valuables inside remain...
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