GNSS-Denied – 쿼드(QUAD) 드론 연구소

Hybrid Navigation System

[Hybrid Navigation System: Part 7] [Implementation-Phase 3] Terminal Phase: YOLO-Based Precision Visual Servoing (IBVS) and Offboard Control Simulation
Bymaponarooo 2026년 07월 22일2026년 07월 22일

Hello! To all the graduate students and researchers dedicating their intellect to pushing the boundaries of autonomous unmanned aerial vehicle (UAV) systems—welcome back to the QUAD Drone Lab. In Part 6 of our series, we navigated through the intermediate correction phase, leveraging pre-loaded satellite reference maps and real-time downward-facing camera feeds to reset accumulated dead-reckoning…

Read More [Hybrid Navigation System: Part 7] [Implementation-Phase 3] Terminal Phase: YOLO-Based Precision Visual Servoing (IBVS) and Offboard Control Simulation
Hybrid Navigation System

[Hybrid Navigation System: Part 6] [Implementation-Phase 2] Intermediate Correction: OpenCV/YOLO Terrain Matching and Digital Twin Testing
Bymaponarooo 2026년 06월 09일2026년 06월 09일

Hello! To all the graduate students and researchers burning the midnight oil at the forefront of autonomous unmanned aerial vehicle (UAV) systems—welcome back to the QUAD Drone Lab. In Part 5, we explored PX4’s Dead-Reckoning mode, a critical software safety net that allows a drone to survive and maintain flight in GNSS-Denied environments, such as…

Read More [Hybrid Navigation System: Part 6] [Implementation-Phase 2] Intermediate Correction: OpenCV/YOLO Terrain Matching and Digital Twin Testing
Hybrid Navigation System

[Hybrid Navigation System: Special Edition] Survive GPS Jamming! A Complete Guide to “PX4 Dead-Reckoning Mode”
Bymaponarooo 2026년 05월 29일2026년 06월 03일

Hello! To all the graduate students and researchers burning the midnight oil at the forefront of autonomous unmanned aerial vehicle (UAV) systems—welcome to the QUAD Drone Lab. Throughout our series, we have built various hardware and software architectures—such as high-performance external INS, ROS 2 communication bridges, terrain contour matching, and visual servoing—designed to help our…

Read More [Hybrid Navigation System: Special Edition] Survive GPS Jamming! A Complete Guide to “PX4 Dead-Reckoning Mode”
Hybrid Navigation System

[Hybrid Navigation System Series Part 5: Implementation-Stage 1] Cruising Phase: Classical Dead Reckoning, Wind Estimation, and Gazebo Wind Simulation
Bymaponarooo 2026년 05월 11일2026년 06월 03일

Hello to all the graduate students and researchers burning the midnight oil at the forefront of autonomous unmanned aerial vehicle (UAV) systems! Welcome back to QUAD Drone Lab. In our previous post, <Part 4>, we successfully completed the infrastructure work by building a ROS 2 & Micro XRCE-DDS bridge to inject high-performance external INS data…

Read More [Hybrid Navigation System Series Part 5: Implementation-Stage 1] Cruising Phase: Classical Dead Reckoning, Wind Estimation, and Gazebo Wind Simulation
Hybrid Navigation System

[Hybrid Navigation System Part 4: Integration] Integrating PX4 and External INS Odometry via ROS 2 and Communication Verification
Bymaponarooo 2026년 04월 24일2026년 04월 24일

Hello! To all the graduate students and researchers fighting on the front lines of autonomous unmanned aerial vehicle (UAV) systems, welcome back to the QUAD Drone Lab. In our previous post, <Part 3>, we explored the mathematical limitations of low-cost sensors in completely GNSS-Denied environments—specifically the dreaded ‘drift’ caused by double integration. To overcome this,…

Read More [Hybrid Navigation System Part 4: Integration] Integrating PX4 and External INS Odometry via ROS 2 and Communication Verification
Hybrid Navigation System

[Hybrid Navigation System: Part 3 Hardware & Modeling] A Deep Dive into Industrial High-Performance INS & Making GPS Jamming Simulator
Bymaponarooo 2026년 04월 17일2026년 06월 03일

Hello! To all the university students and researchers pushing the boundaries of autonomous flight and unmanned navigation technologies—welcome back to QUAD Drone Lab. In our previous post, <Part 2>, we explored the state estimation principles of the PX4 EKF2 (the brain of our drone) and set up a safe Gazebo SITL simulator environment for testing….

Read More [Hybrid Navigation System: Part 3 Hardware & Modeling] A Deep Dive into Industrial High-Performance INS & Making GPS Jamming Simulator