In this immensely advanced, modern virtual world, the term “drone” indicates some serious ominous overtones – the mass media world portrays drones as cold-blooded machines that silently soar the skies, and search for various human targets. Whereas the general public perceives the idea of drones as a monitoring device or a spy machine that keeps a track of every little thing that you do. Well, no matter what the interpretation, the general idea remains the same for everyone – drones are powerful spy tools that provide surveillance and monitoring for different purposes.
Although most of us use the common term drone, its technical term is still UAVs (Unmanned Aerial Vehicles). Initially, the drones were explored by military agencies and governments for their warfare capabilities, but these high-end devices ended up being marketed to different photographers, videographers, RC plane hobbyists, etc. to carry out various other tasks.
Drone Types and Sizes
Drones are found in different types and sizes, and each one of them serves different purposes. So, it is pretty challenging to determine the common criterion of its comparison with other types. For example, depending on their work, sizes, mechanism, and functioning power, they can greatly vary from each other. A common example could be the Predator Drone which is particularly used for military uses only.
Generally, there are two types of drones that are commonly used.
- Rotor drones
- Fixed-wing drones
Rotor Drones are further divided into four types – Tricopter, Quadcopter, Hexacopter, and Octocopter. Each one of these models is controlled by exclusively designed brushless DC motors. In addition to flying in the air, these drones are also capable to hover in place.
Fixed-Wing Drones feature extremely unique designs as compared to the common types of multi-rotor drones. However, fixed-wing drones are not strong enough to stay stable in the air as they cannot combat gravitational forces. Also, fixed-wing drones are unable to perform vertical take-offs, and their flight time is determined by the battery timings. Interestingly, these types of drones are much lesser in the market as compared to rotor drones.
Types of Drone Technology
Here’s a quick glimpse of the technology systems that drones use today.
| Smartphone App With Ground Station Function | VTOL (Vertical Take-Off & Landing) Drones | Gyro Stabilization, IMU, And Flight Controllers |
| No-Fly Zone (NFZ) Technology | Obstacle Detection And Collision Avoidance Technology | Internal Compass & Fail-safe Function |
| High-Performance Camera Drones | Ready to Fly Mode (GPS) Drone Technology | Gimbal Technology |
| Video Editing Software | Creating 3D Maps With Sensors | Security And Hackability of Drones |
| UAV Range Extender Technology | Drones with Zoom Cameras | Latest Innovative Technology of Drones |
| Drone Motor Direction & Propeller Design | First Person View (FPV) Mode Drone Technology | Smart Flight Systems |
| Firmware Software | LED Flight Indicators | Learning to Build And Program Drones |
| UAV Remote Control & Receiver System | Drone Battery Management System | Return Home & Radar Positioning |
| Low-Noise Drone Props |
The above-mentioned tech systems help the drones have a smooth flying process at all times. However, we need to remember that many of these tech systems work through the internet – therefore, you need to connect to a high-speed internet connection like Spectrum, before getting your hands on the drone.
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Obstacle Detection and Collision Avoidance Technology
Drones work through exclusive collision avoidance and obstacle detection tech, which allows them to detect different types of objects in their surroundings. These sensors are highly capable to scan the environment and use the in-built software algorithms to convert it into a 3D map. This way, the drone is easily able to fly without any major obstacles. Besides this, the Collision Avoidance Tech also uses SLAM technology so that the drone remains protected from any hurdles on the way.
These are some of the most popular, and widely used Obstacle Detection sensors found in drones all over the world:
- Stereo vision.
- Flight time.
- Ultrasonic (sonar).
- Infrared.
- Lidar.
- Monocular vision.
Currently, the DJI is ranked as the top drone maker on the market. The company uses the most high-end sensors and obstacle avoidance tech systems to control the navigation, and overall flying capabilities of their drones. For example, they have four obstacle avoidance directions and six obstacle detection directions which helps the drones to avoid entering into any danger zones on the way.
Return to Home & Radar Positioning
Most of the latest drone models feature Global Navigation Satellite Systems (GNSS) like GLONASS and GPS.
The drones have two ways to fly – in GNSS mode or in non-satellite mode. But surprisingly, the DJI drone can fly in P-Mode which features both GPS & GLONASS modes. Or, it can adapt the ATTI mode for flying which does not rely on satellite navigation to work.
However, all the drones must use the GPS in order to return to their starting position.
UAV Drone GNSS
The radar technology has a high-processing remote control that provides the following signals.
- Indicating the location of the drone.
- Detecting the GNSS satellites.
- Sending alerts about low battery levels, and fixing the starting point for returning back to the location.
The Bottom-line
We hope you enjoyed learning about the features and mechanisms of different drone technologies. Although the tech market features a wide range of other drone tech systems/sensors as well, in this article, we have mentioned our top picks only. So, if you wish to know more about other drones on the market, please reach out to some reliable tech-related websites, blogs, or articles on the internet.
However, before you begin your research, just make sure that you are connected to a high-speed internet connection like Spectrum so that your web pages do not take excessive time to load.
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