At Sentech, our custom-designed, and cost-effective LVDTs and RVDTs are unparalleled in helicopters. LVDTs and RVDTs are used in applications involving cockpit controls, engine valves, actuator position, and main rotor position. With that in mind, here is a list of some of the most important terms to know when dealing with Helicopter position sensors.
At the controls of those rapidly spinning blades is a trained aviator, who must be able to keep the helicopter steady in tight spaces and go on life-saving missions that no commercial airplane could accomplish. Thus, it’s important to understand how the set of four controls work both in tandem and simultaneously in the cockpit of a helicopter.
Rising from beneath the front of each pilot’s seat, the cyclic stick controls the main rotor to dictate the direction and movement in-flight, during a hover, and lateral movement. It also helps to fine-tune the helicopter’s position.
Located on the left side of the pilot’s seat, the collection allows the pilot to make changes in the angle of the main rotor blades. The pitch control exposes or decreases the angle of the main rotor blades. This allows the helicopter to ascend or descend.
Usually mounted as a twist grip on the collective control, the throttle controls the power output of the engine. The throttle setting must be adjusted to keep the rotor speed to maintain lift during the flight.
Similar in function and location to a commercial airplane, the anti-torque pedals control the tail rotor blade pitch and point the nose of the aircraft to control the heading or tendency to twist (yaw) of the helicopter.
As stated above, LVDTs installed on commercial helicopters have multiple applications. These LVDTs emit electrical signals and monitor the hydraulic actuator rod to change the rotor pitch and angles responding to the pilot’s commands.
On the other hand, RVDTs are the ideal solution when angular position feedback is required. For example, closed-loop control systems route the pilot’s flight control commands through the onboard computer through a mechanical motion of the stick control. The RVDT sensor stands between the pilot’s command and the system output by keeping moving parts from contacting stationary surfaces. Thus, both LVDTs and RVDTs offer significant advantages to the controls of helicopters!
If you are interested in learning more about helicopter position sensors, give us a call! Sentech products are the best performing and most cost-effective solutions to any manufacturing or monitoring problem. We offer high-quality Linear Variable Displacement Transducers (LVDTs), Rotary Variable DIfferential Transducers (RVDTs), FASTAR sensors, HYDRASTAR sensors, signal conditioners, and solenoids. Contact us today!