Drones
SwarmPath: Drone Swarm Navigation through Cluttered Environments Leveraging Artificial Potential Field and Impedance Control
Khan, Roohan Ahmed, Zafar, Malaika, Batool, Amber, Fedoseev, Aleksey, Tsetserukou, Dzmitry
In the area of multi-drone systems, navigating through dynamic environments from start to goal while providing collision-free trajectory and efficient path planning is a significant challenge. To solve this problem, we propose a novel SwarmPath technology that involves the integration of Artificial Potential Field (APF) with Impedance Controller. The proposed approach provides a solution based on collision free leader-follower behaviour where drones are able to adapt themselves to the environment. Moreover, the leader is virtual while drones are physical followers leveraging APF path planning approach to find the smallest possible path to the target. Simultaneously, the drones dynamically adjust impedance links, allowing themselves to create virtual links with obstacles to avoid them. As compared to conventional APF, the proposed SwarmPath system not only provides smooth collision-avoidance but also enable agents to efficiently pass through narrow passages by reducing the total travel time by 30% while ensuring safety in terms of drones connectivity. Lastly, the results also illustrate that the discrepancies between simulated and real environment, exhibit an average absolute percentage error (APE) of 6% of drone trajectories. This underscores the reliability of our solution in real-world scenarios.
A Visual Cooperative Localization Method for Airborne Magnetic Surveying Based on a Manifold Sensor Fusion Algorithm Using Lie Groups
Liu, Liang, Hu, Xiao, Jiang, Wei, Meng, Guanglei, Wang, Zhujun, Zhang, Taining
Recent advancements in UAV technology have spurred interest in developing multi-UAV aerial surveying systems for use in confined environments where GNSS signals are blocked or jammed. This paper focuses airborne magnetic surveying scenarios. To obtain clean magnetic measurements reflecting the Earth's magnetic field, the magnetic sensor must be isolated from other electronic devices, creating a significant localization challenge. We propose a visual cooperative localization solution. The solution incorporates a visual processing module and an improved manifold-based sensor fusion algorithm, delivering reliable and accurate positioning information. Real flight experiments validate the approach, demonstrating single-axis centimeter-level accuracy and decimeter-level overall 3D positioning accuracy.
Towards Realistic UAV Vision-Language Navigation: Platform, Benchmark, and Methodology
Wang, Xiangyu, Yang, Donglin, Wang, Ziqin, Kwan, Hohin, Chen, Jinyu, Wu, Wenjun, Li, Hongsheng, Liao, Yue, Liu, Si
Developing agents capable of navigating to a target location based on language instructions and visual information, known as vision-language navigation (VLN), has attracted widespread interest. Most research has focused on ground-based agents, while UAV-based VLN remains relatively underexplored. Recent efforts in UAV vision-language navigation predominantly adopt ground-based VLN settings, relying on predefined discrete action spaces and neglecting the inherent disparities in agent movement dynamics and the complexity of navigation tasks between ground and aerial environments. To address these disparities and challenges, we propose solutions from three perspectives: platform, benchmark, and methodology. To enable realistic UAV trajectory simulation in VLN tasks, we propose the OpenUAV platform, which features diverse environments, realistic flight control, and extensive algorithmic support. We further construct a target-oriented VLN dataset consisting of approximately 12k trajectories on this platform, serving as the first dataset specifically designed for realistic UAV VLN tasks. To tackle the challenges posed by complex aerial environments, we propose an assistant-guided UAV object search benchmark called UAV-Need-Help, which provides varying levels of guidance information to help UAVs better accomplish realistic VLN tasks. We also propose a UAV navigation LLM that, given multi-view images, task descriptions, and assistant instructions, leverages the multimodal understanding capabilities of the MLLM to jointly process visual and textual information, and performs hierarchical trajectory generation. The evaluation results of our method significantly outperform the baseline models, while there remains a considerable gap between our results and those achieved by human operators, underscoring the challenge presented by the UAV-Need-Help task. Constructing embodied agents capable of understanding human commands remains a long-term objective in the field of artificial intelligence. Among these (Qi et al., 2020; Ku et al., 2020; Shridhar et al., 2020; Shen et al., 2021), visual-language navigation (VLN)--navigating to a target location based on language instructions and visual information--has garnered significant research interest. Current research in VLN focuses primarily on ground-based agents (Krantz et al., 2020; Blukis et al., 2018), while UAV-based VLN has received comparatively less attention.
DJI Neo review: The best 200 drone ever made
When DJI revealed its tiny 200 Neo drone, I immediately saw how it could fit into my vlogger's toolkit to supplement my Mini 4 Pro and Mavic 3 Pro. Flying those sophisticated drones is a whole thing that requires planning. But the Neo can be launched spontaneously to grab quick and fun shots, thanks to features like palm takeoff and voice control. That ease of use also makes it ideal for the social media influencers. You get features from DJI's bigger drones like ActiveTrack, FPV capabilities and even support for DJI's Mic 2. And forget about the fuzzy video you may have seen on other cheap drones. The Neo can record in sharp 4K, making it suitable for content creators who need affordable aerial video.
Autonomous localization of multiple ionizing radiation sources using miniature single-layer Compton cameras onboard a group of micro aerial vehicles
Werner, Michal, Báča, Tomáš, Štibinger, Petr, Doubravová, Daniela, Šolc, Jaroslav, Rusňák, Jan, Saska, Martin
A novel method for autonomous localization of multiple sources of gamma radiation using a group of Micro Aerial Vehicles (MAVs) is presented in this paper. The method utilizes an extremely lightweight (44 g) Compton camera MiniPIX TPX3. The compact size of the detector allows for deployment onboard safe and agile small-scale Unmanned Aerial Vehicles (UAVs). The proposed radiation mapping approach fuses measurements from multiple distributed Compton camera sensors to accurately estimate the positions of multiple radioactive sources in real time. Unlike commonly used intensity-based detectors, the Compton camera reconstructs the set of possible directions towards a radiation source from just a single ionizing particle. Therefore, the proposed approach can localize radiation sources without having to estimate the gradient of a radiation field or contour lines, which require longer measurements. The instant estimation is able to fully exploit the potential of highly mobile MAVs. The radiation mapping method is combined with an active search strategy, which coordinates the future actions of the MAVs in order to improve the quality of the estimate of the sources' positions, as well as to explore the area of interest faster. The proposed solution is evaluated in simulation and real world experiments with multiple Cesium-137 radiation sources.
AIVIO: Closed-loop, Object-relative Navigation of UAVs with AI-aided Visual Inertial Odometry
Jantos, Thomas, Scheiber, Martin, Brommer, Christian, Allak, Eren, Weiss, Stephan, Steinbrener, Jan
Object-relative mobile robot navigation is essential for a variety of tasks, e.g. autonomous critical infrastructure inspection, but requires the capability to extract semantic information about the objects of interest from raw sensory data. While deep learning-based (DL) methods excel at inferring semantic object information from images, such as class and relative 6 degree of freedom (6-DoF) pose, they are computationally demanding and thus often not suitable for payload constrained mobile robots. In this letter we present a real-time capable unmanned aerial vehicle (UAV) system for object-relative, closed-loop navigation with a minimal sensor configuration consisting of an inertial measurement unit (IMU) and RGB camera. Utilizing a DL-based object pose estimator, solely trained on synthetic data and optimized for companion board deployment, the object-relative pose measurements are fused with the IMU data to perform object-relative localization. We conduct multiple real-world experiments to validate the performance of our system for the challenging use case of power pole inspection. An example closed-loop flight is presented in the supplementary video.
Design, Localization, Perception, and Control for GPS-Denied Autonomous Aerial Grasping and Harvesting
Kumar, Ashish, Behera, Laxmidhar
In this paper, we present a comprehensive UAV system design to perform the highly complex task of off-centered aerial grasping. This task has several interdisciplinary research challenges which need to be addressed at once. The main design challenges are GPS-denied functionality, solely onboard computing, and avoiding off-the-shelf costly positioning systems. While in terms of algorithms, visual perception, localization, control, and grasping are the leading research problems. Hence in this paper, we make interdisciplinary contributions: (i) A detailed description of the fundamental challenges in indoor aerial grasping, (ii) a novel lightweight gripper design, (iii) a complete aerial platform design and in-lab fabrication, and (iv) localization, perception, control, grasping systems, and an end-to-end flight autonomy state-machine. Finally, we demonstrate the resulting aerial grasping system Drone-Bee achieving a high grasping rate for a highly challenging agricultural task of apple-like fruit harvesting, indoors in a vertical farming setting (Fig. 1). To our knowledge, such a system has not been previously discussed in the literature, and with its capabilities, this system pushes aerial manipulation towards 4th generation.
The best drones for kids in 2024
We may earn revenue from the products available on this page and participate in affiliate programs. As a former elementary school teacher, I'm on board with any plaything that not only entertains but also increases skills, such as hand-eye coordination, or imparts knowledge on a potentially difficult subject like, say, physics. Our picks include a well-rounded quadcopter with a camera that's capable of tricks (our best overall, the DEERC D20 Mini Drone for Kids) all the way to a tiny but fun cameraless beginner's copter to get the little ones up to speed with flying at speed at a price. Here, then, are our picks for the best drones for kids of all ages … and a few adults, too. When choosing these drones, we considered various factors.
Ukraine strikes oil depot in occupied Crimea
Footage circulating on social media appeared to show smoke rising over the Feodosia terminal. Local Russian-installed officials told RIA Novosti that efforts to extinguish the fire were ongoing. Meanwhile, the defence ministry in Moscow said that 12 Ukrainian drones were shot down over the peninsula overnight out of a total of 21 launched by Kyiv. In a statement announcing the attack, Ukraine's general staff said that oil products shipped from the terminal were being used to "meet the needs of the Russian occupation army". The facility was previously hit in a Ukrainian drone strike in March.
Netherlands to provide 400 million to develop drones with Ukraine
Dutch Defense Minister Ruben Brekelmans said while on a surprise visit to Kyiv on Sunday that his country will invest 400 million ( 440 million) in advanced drone development with Ukraine and deliver more F-16s in the coming months. More than 2½ years since the start of the Russian full-scale invasion, Ukraine is fighting to thwart Russia's troops as they inch forward in the east and attack critical infrastructure ahead of the winter months. "The war, of course, is intensifying every day, and Ukraine is setting up more brigades who all need support, who all need military equipment. We need to have this continuous flow of support," Brekelmans said in Kyiv.