A2 Servo Cylinders Provide Nozzle Flap Control On Hypersonic Aircraft Engine

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Hermeus is an exciting new company developing a hypersonic aircraft with the goal of revolutionizing commercial flight. Ultra Motion’s A2 Servo Cylinders control the nozzle flaps of their prototype engine during hot-fire testing.

The Servo Cylinder’s robust construction ensures reliable operation in the harshest environments and the Phase Index® absolute position sensor provides rock-solid feedback in high vibration applications. The integrated BLDC control electronics are designed to produce high efficiency and extremely dynamic motion, while offering the user a variety of command protocols to facilitate integration into their system.

To see more details on the Servo Cylinder linear actuator product line including performance data and dimensions, use our online configurator here.

 

Servo Cylinder Actuator Ideal For UAV Applications

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The Servo Cylinder is a popular choice for high reliability UAV control surface and utility linear actuator applications. The A-Series Servo Cylinder uses a brushless DC motor and contactless absolute position feedback to reduce wear and provide superior performance when compared to potentiometers and brushed DC solutions. The built-in control electronics offer a variety of communication interfaces including RC PWM, 4-20 mA in/out, ±10 VDC, RS-232, RS-422, CAN, and CANopen.

Our AM Servo Cylinder is designed to excel in harsh shock/vibe environments with IP65 dynamic and IP67 static ingress protection ratings. The D38999 receptacles provide military standard connections, and the on-board temperature, current, voltage, and humidity sensors allow for constant health monitoring of the servo actuator. Custom heater firmware is available that maintains a configurable controller temperature even in ambient environments < -40°C. The Servo Cylinder has an 8 to 36 VDC operating bus voltage, which is compliant with the majority of UAV power busses and will survive at >51 VDC.

The Servo Cylinder offers forces up to 530 lbf, strokes up to 7.75 inches, and speeds up to 14 in/s, allowing for high bandwidth control >15 Hz at small position amplitudes.

Conversions of control surfaces from rotary actuators to linear actuators can lead to increased performance and decreased cost/mass. Contact Ultra Motion Engineering to discuss your unmanned vehicle actuator requirements in detail. View Servo Cylinder performance and dimensions by using our online configurator here.

Throttle Valve Actuators

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Using a triple redundant version of Ultra Motion’s Phase Index® absolute position sensing technology, these actuators provide high accuracy, high bandwidth control over propellant flow in a manned spaceflight application. In order to comply with NASA-STD-5017 requirements, these actuators were designed to provide utmost reliability across extreme environmental conditions (shock, vibe, saltwater submergence, and a wide temperature range)