Monday, June 30, 2014

Control System of UAV

Control System of UAV 

Introduction:
 
 
There are two main types of UAV available that are suitable for surveying work. The first is a fixed wing model.
These compact, lightweight units are built for one-man survey operation, with a 1.6 meter wingspan and weighing only 2.7 kilograms. They are ideal for aerial mapping and terrain modeling larger areas, including mine sites and stockpiles, and undertaking topographic surveys.

The second style of UAV is a rotary blade, or propeller-based system. Unlike the fixed wing models, these mini-copters are able to fly in every direction, horizontally and vertically, as well as hover in a fixed position. This makes them the perfect instrument for detailed inspection work or surveying hard-to-reach areas such as pipelines, bridges, power lines and rail tracks.


Control System:
Setting up for an aerial survey using an UAS (Unmanned Aerial System) begins with route planning via the desktop software that comes included with the system. To do this, you will need to program in a take-off and landing area (based on current/forecast wind and weather conditions), and outline the area you wish to map. Once satisfied with your route, you then load this onto the UAV and go through the checklists provided with your kit to make sure all components are functional, that you have adequate battery power, and so on. ..
The launch process for each UAV will be different based on the specific model you are using.
The SIRIUS has the simplest launch technique available, as you simply stand in your desired takeoff location, with the nose of the plane pointed into the wind, and throw the UAV into the air!
To launch the multi-copter, you have a choice of manual take-off using the included tablet PC, or alternatively an automatic option.
Once airborne, the vehicle will fly your pre-planned route automatically, taking images. Users can then track the progress of the UAV via their tablet PC controller, with real-time status updates on position, GPS signal, and radio link status and battery power.
 Manual controls are useful for detailed inspection work u, as the user is able to maneuver the UAV close to specific objects, while the built-in distance control will prevent any collisions.
There is also the option of real-time viewing, using either a ground station or video display goggles, giving the user a first-person view as though they were holding the camera.
Although manual controls are generally not required when mapping larger areas with a UAV, it is useful to have the option of landing manually in order to avoid any unforeseen obstacles.  

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