Recently, the market for drones is growing rapidly. Commercial UAVs (Unmanned Aerial Vehicles, or drones) are increasingly being used for various purposes, such as geographic survey, rescue missions, inspection of industrial facilities, traffic monitoring and delivery of cargos and goods. In particular, the drones have great potential for life-saving operations. A missing person, for example, can be rapidly and effectively searched using a drone in comparison with the conventional search operations. However, there is no commercially available rescue UAV until now. The motivation for this study is to design an unmanned aerial vehicle capable of vertical takeoff and landing, while containing a high power propellant apparatus in order to lift a heavy cargo that contains rescue materials (such as water, food, and medicine). We used the EDF (Electric Ducted Fan) technology as opposed to the conventional motor and prop combination. The EDF can produce the power about three times higher than the motor-prop combination. This became suitable for transportation of rescue goods, and can be widely used in rescue operations in natural environments. Based on these results, the UAV for rescue material transport capable of heavy vertical takeoff and landing is developed, including airframe, flight control computer and GCS (ground control station).

/pdf/development-of-rescue-material-transport-uav-unmanned-aerial-4nf5yhbfae.pdf

Development of Rescue Material Transport UAV (Unmanned Aerial Vehicle)

The drone was developed with the use of unmanned aircraft systems in the initial military sector based on the combination of aerospace technology and information and communication technologies in a variety of usability, including the civilian sectors. Developed for the field of reconnaissance, it is used in both civilian and police sectors as traffic monitoring and high altitude reconnaissance missions. It is used in broadcasting and surveillance, while continuously expanding into the areas of courier delivery and rescue missions. Based on the convergence of aviation technology such as various SW, sensor and flight control to utilize unmanned system and information communication technology, commercialization of related technology is being developed as a very diverse route. In this paper, we propose and manufacture of a VTOL UAV. Design process referred to the VTOL development process that has been devised by us, and actual building of a UAV also applied the same VTOL development concept. In order to understand the aerodynamic characteristics of the aircraft, we have applied the aerodynamic design theory and used the CAE method that can replace the actual wind tunnel test. We tested the selection method and criteria for the internal modules that make up the UAV, and we were able to assemble the product. FW coding of flight control computer was conducted for VTOL control. In addition, we developed a LTE communication module for the long distance flight, and carried out flight experiments with GCS to observe and respond to the flight situation from the ground. Flight test results showed that stable transition flight was possible with broadband. We could see that the actual performance results were met, compared to our development target values.

/pdf/development-of-autonomous-vtol-uav-for-wide-area-3wts2sg7kg.pdf

Development of Autonomous VTOL UAV for Wide Area Surveillance

Fig. 1. An example of what a cross-reality GCS experience could look like. Here a conventional GCS controlling UAVs from a remote location is run on a laptop (bottom-center) and is paired with a mixed reality headset to expand its capabilities to display extra virtual screens (upper-middle & bottom-right), UAV information panels (upper-right & upper-left), and a 3D map of the operational environment (bottom-left). Images on the laptop and virtual screens are of the VCSi GCS by Lockheed Martin [8].

A Case for Enhancing UAV Ground Control Stations with Cross Reality

Today, the growth of aerospace industry has led to the development of modular overhead systems that can be applied to a wide variety of aircraft. It actually maximizes training effectiveness by working in a similar way as to the real aircraft maneuverability. Overhead system control device for aircraft simulator is developed as a module and integrated to the flight simulator. The developed system can replace the similar products imported from overseas at a much lower price, about one third of the imports, while maintaining the same level of functionality and the performance with the counterparts. This price advantage is the main motivation of this development, which is expected to enlarge the commercial training simulator market in our country. This development has been also funded by the government, and we invited several commercial airline pilots to test the equipment. The post operation interview revealed that the developed system at least matches or exceeds the performance of the imported products. With the development completed, it is ready for the commercial production and will help promote the expansion of flight training education at various aerospace universities in Korea.

/pdf/development-of-jet-training-ftd-flight-training-device-43h7ztgz70.pdf

Development of Jet Training FTD (Flight Training Device) Overhead System

Purpose The ground control station (GCS) is an important part of unmanned aerial vehicles (UAVs) which provides the facility for human control. In previous work, the authors developed an enhanced virtual reality GCS (VR-GCS) for airships. Here, the authors incorporated haptic gloves to control the aerial vehicle with the use of a virtual controller defined within the virtual environment. Design/methodology/approach The VR headset was connected to the haptics and the flight simulation tool. The VR headset was used to visualize basic flight simulation while the vehicle was controlled via the haptic gloves and a virtual controller defined in the virtual environment. Here, using the previous experience, the position and orientation data from the VR headset was sent to the FlightGear flight simulator (FGFS) via extensible markup language codes. This was used to drive the heads-up-display (HUD) as well within the VR headset. Then, the inputs from the pilot on the virtual controller were sent to the FGFS using an embedded code. To accurately simulate the final goal of deploying the haptic-based VR solution to monitor and pilot the airship in beyond visual line-of-sight scenarios, a VR application was developed using the Unity game engine. Finally, the integration of VR, haptics and FGFS was performed using another embedded code. Findings A test procedure was conducted with a similar rating technique based on the NASA TLX questionnaire that identifies the pilot’s spare mental capacity when completing an assigned task to assure the comfortability of the proposed haptics VR-HMD (HVR-HMD). Accordingly, 10 users participated in the test and a comparison has been made for the aircraft control using the physical remote control (RC) controller and the virtual one. The results from the repeated measures analysis of variance and Tukey’s honestly significant difference post hoc tests revealed significant differences in mental demand, physical demand, effort and frustration across the different simulation conditions. Notably, the HVR-HMD system significantly lowered workload and frustration levels compared to both the desktop and VR-HMD setups, underscoring its effectiveness as a training tool. Results from the NASA TLX questionnaire showed that the current iteration of the system is ideal for training amateur users to replace traditional RC controllers by using similar virtual systems in a safe and immersive environment. Originality/value Such an advanced portable system may increase the situational awareness of pilots and allow them to complete flights with the same data transmission procedures using virtual systems in simulation. 

Development and evaluation of an enhanced haptic-based virtual reality flight simulator for stratospheric airships

This study is a preparation phase for integrated visualization of battlefield situation. To develop the ground control station for unmanned systems, many factors have to be considered from the design stages, such as layout, information component, representation scheme, and human operation methods. Considering such many factors can be very difficult, hence we conducted an in-depth investigation of design factors from major UAV stations around the world. We analyzed the design characteristics and the specifics. In conclusion, we were able to derive some common aspects of design characteristics, which lead to the successful design approach.

/pdf/analysis-of-design-directions-for-ground-control-station-gcs-3si3zb0u13.pdf

Analysis of Design Directions for Ground Control Station (GCS)

This study is a preparation phase for visualization of utilized information using ergonomic user interface and standardization of elements for GCS (Ground Control System). Therefore, we investigated the instances of GCS (such as hawk and patriot missile’s GCS) for defense system. Based on the collected data, we compared and analyzed the GCS screen design. In this paper, we conduct case study for ergonomically development of GCS. It is expected that this research improves the situational awareness and reduces the user’s task load.

/pdf/analysis-of-interface-and-screen-for-ground-control-system-2xes7ywpw1.pdf

Analysis of Interface and Screen for Ground Control System

This study is a preparation phase for visualization of utilized information using ergonomic user interface and standardization of elements for anti-air weapon system. Therefore, we investigated the instances of Navy Weapon System operation environment for defense advanced country. Based on the collected data, we compared and analyzed the weapon system operation environment design. Ultimately, it is essential to share a variety of battle field conditions such as enemy threat, enemy/friendly information, terrain information that can be effectively recognized. In this paper, we conduct case study for ergonomically development of Operation Environment. It is expected that this research improves the situational awareness and reduces the operator’s task load.

/pdf/analysis-of-design-approach-for-navy-weapon-system-operation-2skc4agerj.pdf

Analysis of Design Approach for Navy Weapon System Operation Environment

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Analysis of Design Directions for Ground Control Station (GCS)

Analysis of Interface and Screen for Ground Control System

Analysis of Design Approach for Navy Weapon System Operation Environment