Core Tip: In this era of global networking, the public's perception of drones is no longer lost and far away, but the application of drones and the knowledge of sensors on drones are not well understood. Next, the small series will introduce the development status of the drone and sensor technology in detail. The current development focus of drone technology, which was initially concentrated on military applications, has gradually shifted to the commercial market. Mainly include: 1. Cargo transportation and courier in remote or not easily accessible areas, can use drones to transport drugs and small items, including the delivery of materials to areas experiencing earthquakes, floods and disease outbreaks. another
In this era of global networking, the public's perception of drones is no longer confused and far away, but the application of drones and the knowledge of the use of sensors on drones are not well understood. Next, the small series will introduce the development status of the drone and sensor technology in detail. The current development focus of drone technology, which was initially concentrated on military applications, has gradually shifted to the commercial market.

mainly includes︰

1. Freight transportation and express delivery
In remote or inaccessible areas, drones can be used to transport medicines and small items, including transporting supplies to areas experiencing earthquakes, floods, and disease outbreaks. On the other hand, drones can also be used for commercial express delivery.

2. Monitoring and measurement
The monitoring and measurement industry is currently a market with a large increase. For example, geomagnetic measurements can be used to predict mineral deposits, natural gas and oil pipeline monitoring, disaster area inspections, and wildfire detection and prevention. Applications included in archaeological research and data collection can reduce research time.

3. Commercial film
Media and filmmakers use drones to capture images and video, replacing helicopters or expensive lifting equipment, while reducing costs while improving shooting sensitivity and operability, providing directors with more quality images and Picture. At the same time, the drone can also be used to capture sports events and obtain dynamic close-ups of the athletes during the competition, especially during the high-speed movement of the athletes.

4. Medical health
The use of drones in the health care field is also receiving increasing attention. The small drone can effectively use the internal medical facilities and self-administration to deliver the drug to the patient's bedside. They can also be used to deliver key items such as blood analysis and medical supplies, while ambulance drones are also being tested. These drones can be used to deliver automated external defibrillators to increase the survival rate of patients with cardiac arrest.

5. Agriculture
The use of drones in agriculture has increased dramatically over the past few years. Farmers use drones to monitor and improve crop health and irrigation systems as well as livestock locations. In view of the serious drought treatment and other issues, drones will become an increasingly important new production tool for agricultural industrialization. The US Merrill Lynch Global Research Report shows that the market potential of agricultural drones will create more than 100,000 jobs, and the market capacity will reach $82 billion between 2015 and 2025.

6. Legal implementation

In the past few years, police in many countries have used drones to monitor suspects and public places. Drones can be equipped with non-lethal tools such as stun guns to investigate criminals and assist in hunting. For example, North Dakota, USA, is conducting patrol testing of drones equipped with stun guns, while other drones are equipped with sensors to identify chemical, biological, radiological, and nuclear materials.

Sensor achievement unmanned

According to the current development trend of drones, what kind of role will sensor technology play?


Sensor technology is widely used in new drone technology and solutions

Accelerometer

Accelerometers are used to determine the position and flight attitude of the drone. Like Nintendo Wii controllers or iPhone screen locations, these small MEMS sensors play a key role in maintaining flight control. MEMS accelerometers have a variety of ways to sense motion poses, and one type of technology is capable of sensing the tiny motions of microchips.

Another accelerometer technology is the thermal convection technique, which has no moving parts, but a motion change that is perceived by the displacement of a "hot air mass". These sensors are highly sensitive and play a vital role in stabilizing automotive cameras, film production and other applications.

Inertial measurement unit

Inertial measurement unit combined with GPS is the key to maintaining direction and flight path. With the development of intelligent drones, direction and path control are important air traffic management rules. The multi-axis magnetic sensor used in the inertial measurement unit is essentially a small, highly accurate compass that transmits data to the central processor through the sensing direction to indicate direction and speed.

Tilt sensor

The tilt sensor integrates a gyroscope and accelerometer to provide data for the flight control system to maintain horizontal flight. These sensors and gyroscopes, combined with accelerometers, are capable of measuring subtle motion changes, allowing the tilt sensor to be applied to mobile programs such as gyroscope compensation for cars or drones.

Atmospheric monitoring sensor

The quality of air is a topic that people are most concerned about. Real-time monitoring of air quality, air pollution has become a hot spot, of course, atmospheric monitoring sensors play a vital role. At present, Haosheng Technology's atmospheric monitoring sensors have been widely used in urban atmospheric environment monitoring, unorganized emission of polluted gas in factory sites, and environmental assessment monitoring. Can monitor a variety of gases, including: ozone, carbon monoxide, sulfur dioxide, nitrogen dioxide and so on.

current sensor

Power consumption and use on drones is important, especially in the case of battery power. Current sensors can be used to monitor and optimize power consumption, ensuring the safety of the internal battery charging and motor fault detection systems of the drone. Current sensors operate by measuring current (bidirectional), ideally providing electrical isolation to reduce power loss and eliminate the chance of electric shock damaging the user's system.

Magnetic sensor

In drones, electronic compasses provide critical information on inertial navigation and directional positioning systems. Sensors based on anisotropic magnetoresistance (AMR) technology have obvious power consumption advantages compared with other sensors, and have high precision and short response time, which are very suitable for UAV applications.

Engine intake flow sensor

Flow sensors can be used to effectively monitor the small air flow rate of an electric drone gas engine. Many gas engine mass flow sensors use thermal technology that uses heated components and at least one temperature sensor to quantify mass flow. MEMS thermal gas mass flow sensors also utilize thermal principles in the micrometer range and are suitable for use in areas where weight is critical.