Myxa in the aluminum heat-sinking enclosure

Myxa

High-end PMSM/BLDC motor controller (FOC ESC) for light unmanned aircraft and watercraft.

Myxa is a high-end FOC ESC based on the Télega motor control technology.

Myxa is designed for use in propulsion systems of light unmanned aerial (UAV), underwater, and surface vehicles. The controller provides up to 850 W of continuous power output and supports a wide range of operating voltages 12–51 V (LiIon 4–12 S).

State-of-the-art vector control algorithms make Myxa one of the most energy-efficient ESC on the market. In the UAV field, the vector control technology is also known as field-oriented control, sine wave drive, or just FOC. Unlike other vector control solutions, Myxa is compatible with virtually any PMSM or BLDC motor, and is able to measure the parameters of the driven motor and automatically optimize itself for best performance.

Applications

  • Propeller and fan drives for light unmanned aerial vehicles (drones).
  • Pump and propeller drives for unmanned watercraft.
  • Fuel pump drives for jet engines and gas turbines.
  • CMG drives for LEO spacecraft.

Features

  • Based on the advanced Télega motor control technology.
  • Continuous power output up to 850 W.
  • Single supply voltage 12–51 V (Li-ion 4–12 S).
  • Rich set of communication interfaces:
    • CAN bus interface (connectors are compatible with UAVCAN and the Dronecode Autopilot Connector Standard). Myxa B offers a doubly-redundant CAN bus interface for mission-critical applications.
    • UART interface for control, management, and telemetry.
    • USB interface for control, management, and telemetry; driverless compatibility with GNU/Linux, Windows, Mac OS X. The connector type is USB Micro-B.
    • Industry-standard RC PWM input.
  • 5V BEC (battery elimination circuit) power output (Myxa B only).
  • Optional motor temperature measurement via external thermistor.
  • Connectors compatible with the Dronecode Autopilot Connector Standard.
  • Standard 3.5 mm bullet power connectors.
  • High quality assurance:
    • Every manufactured unit undergoes a rigorous automated testing procedure. The testing log for each produced unit is available on the web.
    • Protection against unlicensed (counterfeit) production by means of a digital signature installed on every manufactured unit.

Variants

Two types of Myxa are available:

  • Myxa A - optimized for cost-sensitive applications.
  • Myxa B - optimized for mission-critical applications.

Each type is available in several modifications which are reviewed in the table. Regardless of the chosen enclosure option, all versions of Myxa are conformal-coated, which provides resilience against moisture, aggressive chemicals, corrosion, and abrasion.

Variant Description Mass, g Dimensions, mm Rated power, W Redundant CAN BEC output Oper. temp, °C
Myxa A0 Board-level 26 55✕35✕19 400 -20 to 70
Myxa A1 Polyolefin envelope 27 55✕36✕20 400 -20 to 70
Myxa A2 Aluminum enclosure 55 57✕38✕24 850 -20 to 70
Myxa B0 Board-level 27 55✕35✕20 400 DMR 5 V, 250 mA -40 to 85
Myxa B1 Polyolefin envelope 28 55✕36✕21 400 DMR 5 V, 250 mA -40 to 85
Myxa B2 Aluminum enclosure 56 57✕38✕24 850 DMR 5 V, 250 mA -40 to 85

For low-volume orders, please proceed to the online store. For large orders and long-term supply options, please get in touch.

Evaluate your UAV application

Endurance with traditional BLDC drives min
Endurance achievable with Télega technology min

Provided estimates are based on laboratory tests. Real gains may vary.

Related announcements and discussions

Starting with Myxa - Serial interface

Hi, I am starting with Myxa and following the guide for serial communication. When using Zucher.exe I can access the controller register. I can see on both Windows and Linux the port (COM or /dev/ttyASM0 according to the OS). But I don’t get any answer to “zubax_id” command. I’ve tried with putty…

Regenerative braking problems with Zubax Myxa

We have two Zubax Myxa controllers with Télega motor control which we were attempting to use for power generation with two connected MN3110-15 780kv Tiger Motors. We set one ESC with a fixed RPM and used the other ESC to provide extra driving torque by increasing its current, therefore creating a r…

Kucher v1.0 is released for Windows and GNU/Linux

Kucher v1.0 is finally released and available for download. Here are the direct download links: GNU/Linux: https://files.zubax.com/products/com.zubax.kucher/1.0.0/linux-x86_64/Kucher Windows: https://files.zubax.com/products/com.zubax.kucher/1.0.0/windows-10_64/Kucher.exe (designed to work with W…

Short coding example for serial interrogation of Myxa

Hi, we are integrating the Myxa in a “proof-of-concept-board” as we speak. I’d like to keep integration efforts low - at least until we know that everything works. So we’ll be using RCPWM to control the ESC and serial/UART interrogation to read out current, voltage, RPM, and possibly fault states. W…

Set parameters via UAVCAN

Is it possible to set parameters other than RPM via UAVCAN on the Myxa controller, or is it only possible via telega? If it is, how do I do it, and are all the required data types part of the public regulated data types?…

Can't quite get started with Myxa

Hi, I’m trying to get started with my new Myxa (A). And I can’t seem to get it to speakt to me or anything. I still suspect that I am missing something obvious so, I’d like to have you “look over my shoulder” for a second. Procedure: Connect a BLDC motor. This motors has been test run with other BL…

Heavy-duty integrated PMSM drive for safety-critical propulsion systems of light UAV and watercraft

This is a prototype of a custom heavy-duty integrated PMSM based on Mitochondrik. The drive is optimized for propulsion systems of unmanned aircraft and watercraft. Rated speed 10500 RPM, power 350 W (peak 500 W), torque 0.32 Nm, liquid cooling, weight 480 g (incl. coolant), efficiency 91%. Dedicat…

Logic levels on Myxa

Hi Pavel, we’re looking at using the Myxa controller for a small underwater drone that counts fish. We’re drafting the electronics board and I just need to clarify a few things for that process. I believe that most questions can be answered in a few words. Integration strategy: We’ll start out wit…

RPM calculation from eangvel

I’m a little confused about the meaning of electric angular velocity (eangvel), electric frequency and RPM. I would expect the relationship between eangvel and RPM to be: RPM = eangvel / (2 * pi) / N_poles * 60. In our testsystem (Xyxa) the eangvel_min is set to 400 rad/sec, the number of poles is 1…

Myxa LED control

Hello, is there a way to control one LED of the Myxa? Ideally, I would love to send an UAVCAN message to control the led, is that possible?…

Resources

Purchase

Base technologies

UAV propulsion kits

Tuned and fully configured UAV power system combos are available for ordering.

Compliance

Myxa is manufactured by an ISO 9001:2008 certified vendor. Contact Zubax Robotics for information about quality and standard compliance.

Myxa B, bottom view
Myxa B, front view
Lightweight plastic enclosure with the top lid removed
Myxa evaluation kit
Kucher - a GUI tool for Telega