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An unmanned aerial vehicle (UAV), commonly known as a drone, as an unmanned aircraft system (UAS), and also referred by several other names, is an aircraft without a human pilot aboard. The flight of UAVs may be controlled with various kinds of autonomy : either by a given degree of remote control from an operator, located on the ground or in another vehicle, or fully autonomously, by onboard computers.

Historically, UAVs were simple remotely piloted aircraft, but autonomous control is increasingly being employed : UAV stands nowadays at the crossroads of aviation, electromagnetics, radio communication, computer science, avionics, automation, cybernetics, and even core fields of artificial intelligence such as computer vision, decision-making, machine learning and robotics.

 UAVs are often preferred for missions that are too "dull, dirty or dangerous" for manned aircraft. They have and are mostly found in military and special operation applications. Though, UAVs are increasingly finding uses in civil applications, such as policing and surveillance, aerial filming and hobbyist First Person Video drone racing.

With the unique design of the UAV and the outdoor performance, the encoders required for the UAV are unique with their technical specifications

Low weight, small size, low temperature operation, high resolution

When choosing encoders for UAV there are few basic technical specifications that need to be considered:

1.    Low weight: the UAV requires its components to be as low weight as possible.

2.    Small size: with the compact spacing available, all components need to be compact as well

3.   Operating temperatures: the UAV operate at altitudes which can have temperatures as low as -55ºC or as high as +125 ºC. Standard optical encoders would not fit such harsh environments

4.    High resolution: whether controlling the UAV wings, optical camera or other key elements, the encoder needs to have a high resolution output

Wesense Motion offers high accuracy Non-Contact rotary optical and magnetic encoders with resolutions as high as 5nm! We can offer you either packaged encoders (housed encoders), PCB and grating only, or the individual IC’s so you can assemble them on your PCB to reduce weight and space. Our encoders are unique in the market as they offer high performance (high resolution and high accuracy) and low costs compared to similar optical encoders. From as small as 10mm diameter up to actually any diameter, we can offer any required size and resolution. 


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