Research & Development

UAS has all the knowledge and technical skills aligned to the state of the art for applied technologies to electro-mechanical and electro-hydraulic actuation systems.

UAS is able to respond immediately to customer requests by supporting the definition of technical requirements from the phase of the preliminary project with an integrated design approach flows into the certification of the system / product through the following work scheme:


Systems engineering:

  • Requirements analysis;
  • System analysis and design;

Functional and architectural structuring:

  • Scope of the system;
  • Functional and architectural partitioning;
  • Definition of interface;
  • Reliability and security analysis;

Program and qualification procedures:

  • Definition of qualification test program;
  • Specification of the qualification procedure (QTP);

Configuration control;
Design Performance Statement (DDP);

Mechanical and
hydraulic design

The mechanical engineering department has extensive experience regarding:

  • Product conceptualization;
  • 3D modeling;
  • Stress and Fatigue Simulation;
  • Reliability simulation;
  • Hydraulic simulation;
  • Mathematical modeling;

Extensive experience in the design of hydraulic systems for aircraft:

  • typical pressure 3000/4000psi; MIL-PRF-5606, MIL-PRF-83282, MIL-PRF-87257 fluids; Environmental characteristics conform to RTCA-DO160G, MIL-STD-810G;
  • Design of valves, actuators, reservoirs, filters and solenoids;

Extensive experience in the design of electro-mechanical actuators (EMA) for aircraft:

  • Design of electro-mechanical actuators operating typically 28Vdc compliant with RTCA-DO160G, MIL-STD-810G, MIL-STD-461F, MIL-STD-704E;
  • Motors applied to brushes or brushless;
  • Control electronics on separate box or integrated in the actuator;

Hardware design

The electronic hardware design is compliant with RTCA-DO254, the main UAS skills are:

Power electronics:

  • Power supplies;
  • Motor drives;
  • Valve actuators;


  • Sensor management;
  • Signal conditioning;
  • Signal generation and acquisition;
  • Low noise and high precision signal acquisition;

Radio frequency (from DC to 40 Ghz):

  • Radio frequency generation
  • Detection and measurement of power;
  • Analog processing;
  • Amplifiers in ISM bands;

Digital electronics:

  • Programmable Logic CPLD, FPGA (Xilinx, Altera, Actel, Atmel, etc, in language: VHDL / Verilog);
  • Micro-processors: (8-16-32 bit), DSP / DSC;
  • Digital peripherals and protocols such as: RS232, RS485, RS422, CAN, MIL-1553, ARINC 429, Ethernet etc;

Filtration and lightning protection and EM compatibility:

  • Filters for power supplies / drives;
  • Signal filters;
  • Indirect protection for lightning;
  • Checks and design for EM compatibility;

Software design

Software design in UAS has the following potential:

  • Software development according to RTCA-DO178B applicable to the aeronautical sector;
  • Version control system and bug tracking implemented;
  • Development in C, C # and Labview language;
  • Software Embedded Real-time;
  • Product control and management software;
  • Software for testing and automation of acceptance / qualification tests.


  • Performance;
  • Structural;
  • Reliability, FMEA, FMECA;
  • Maintainability Analysis
  • Safety Analysis
  • Testability Analysis


Environmental tests (MIL STD 810x, RTCA-DO160x):

    • Vibration / Shock;
    • Temperature / Humidity;
    • Temperature / Altitude;
    • Salt fog;
    • Drip;
    • Solar radiation;

EMC Testing (MIL STD 461x, MIL STD 462x, RTCA-DO160x):

  • Conducted and Radiated emissions;
  • Conduct and Radiate susceptibility;
  • Fulmination;
  • ESD;

Umbria Aerospace Systems S.p.A.

  • Via Bufaloro, 21 - 06089 Torgiano (PG)
  • Email:
  • PEC:
  • Tel/Fax: 075 874 5519 - 075 988 8222 - 075 982 773