UAV Propulsion Tech Post #27 – COTS UAV Servos

Blog post #27

I am the US representative for Volz Servos GmbH & Co. Kg located in Offenbach, Germany.  They produce high end actuators for industrial and aerospace applications.  They have been in business over 30 years and have several COTS solutions and can also develop custom solutions.  Volz servos are flying on several global UAV platforms around the world including the following (in the public domain): Lockheed Martin Fury 1500, Northrop Grumman BAT, AAI Corp Aerosonde Mk4.7, Aeronautics Orbiter, EADS Cassidian DO-DT target drones, Orbital Scan Eagle engine for Insitu, and Schiebel Camcopter S-100. Volz have high end optional features such as brushless motors, contactless postion sensor, position feedback, redundant solutions and clutch mechanisms for OPV (optionally piloted vehicle) applications.  All hardware has traceability which can be difficult to obtain from high volume hobby RC servos.  Volz is also ISO9001:2008 certified and applies advanced quality systems for demanding UAV requirements.  This can include 100% HASS (highly accelerated stress screening) or even custom measurements depending on customer needs.

Volz blog

Key features of Volz servos are:

  • CNC machined aluminum actuator case.
  • IP67 standard for water/dust intrusion protection.
  • Multi purpose lug mounts for variable servo fixation.
  • Integrated microprocessor controlled PC boards.
  • Fully programmable by the customer.

Optional features:

  • ISS System protects gear train against shock loads.
  • Serial communication interface (DA26/DA30 and larger).
  • Wear free position sensor for improved reliability/life.
  • Brushless motor for improved reliability/life.

Volz does produce small servos (DA10 & DA13) but I am focusing on the main servos that are typically used for UAV applications in this blog post.  I have noted the COTS DA14-DA30 options below (including throttle, submersible, and OPV-optionally piloted vehicle alternatives).

DA14

 

 

 

 

 

 

 

DA14 (14mm class) – Link to datasheet/CAD

DA15

DA15 (15mm class) – Link to datasheet/CAD

DA20

 

 

 

 

 

 

 

DA20 (20mm class) – Link to datasheet/CAD

DA22 blog

DA22 (22mm class) – Link to datasheet/CAD

DA26 blog

 

 

 

 

 

 

 

DA26 (26mm class) – Link to datasheet/CAD

DA30 blog

 

 

 

 

 

 

 

DA30 (30mm class) – Link to datasheet/CAD

Redundant blog

 

 

 

 

 

 

 

Duplex – Redundant Class – Link to datasheet/CAD

OPV blog

 

 

 

 

 

 

 

OPV (optionally piloted vehicle) Class – Includes electro-mechanical clutch – Link to datasheet/CAD

throttle blog

Throttle servo class – Link to datasheet/CAD

Due to the high reliability of these servos, they have been selected by some of the largest UAV producers in the world.  I have noted the references below that are in the public domain.

2017-02-10_8-03-32

You can find out more info about these servo actuator solutions by visiting my Volz page at www.uavpropulsiontech.com/volz or the Volz website at www.volz-servos.com.  If you have any questions regarding these solutions, please call or email me at: bob@uavpropulsiontech.com.  PH: +1 (810) 441-1457


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