16 papers
Attitude Estimation Using Inertial and Barometric Measurements
Melone Nyoba Tchonkeu, Soulaimane Berkane, Tarek Hamel
Accurate and robust attitude estimation is a key challenge for autonomous vehicles, particularly in GNSS-denied conditions and during highly accelerated flight. In such conditions,…
Galilean State Estimation for Inertial Navigation Systems with Unknown Time Delay
Giulio Delama, Martin Scheiber, Yixiao Ge +3
Many Inertial Navigation Systems (INS) use Global Navigation Satellite System (GNSS) position as the primary measurement to drive filter performance and bound error growth. However…
Relative Pose-Velocity Estimation Using Dual IMU Measurements and Relative Position Sensing
Alessandro Melis, Tarek Bouazza, Soulaimane Berkane +1
This paper addresses the problem of estimating the relative pose (position and orientation) and velocity of a vehicle with respect to a moving target, where both are equipped with…
Equivariant Observer Design on SL(3) for Image Intensity-Based Homography Estimation
Tarek Bouazza, Pieter van Goor, Robert Mahony +1
This paper addresses the problem of homography estimation using a nonlinear observer designed on the Lie group that exploits the full image information through dir…
Complementary Filtering on SO(3) for Attitude Estimation with Scalar Measurements
Alessandro Melis, Soulaimane Berkane, Tarek Hamel +1
This paper proposes a complementary filter on SO(3) for attitude estimation from scalar measurements corresponding to projections of known inertial vectors onto body-frame sensing…
Scalar-Measurement Attitude Estimation on with Bias Compensation
Alessandro Melis, Tarek Bouazza, Hassan Alnahhal +3
Attitude estimation methods typically rely on full vector measurements from inertial sensors such as accelerometers and magnetometers. This paper shows that reliable estimation can…
Pitot-Aided Attitude and Air Velocity Estimation with Almost Global Asymptotic Stability Guarantees
Melone Nyoba Tchonkeu, Soulaimane Berkane, Tarek Hamel
This paper investigates the problem of attitude and air velocity estimation for fixed-wing unmanned aerial vehicles (UAVs) using IMU measurements and at least one Pitot tube measur…
A Nonlinear Observer for Air-Velocity and Attitude Estimation Using Pitot and Barometric Measurements
Melone Nyoba Tchonkeu, Soulaimane Berkane, Tarek Hamel
This paper addresses the problem of estimating air velocity and full attitude for unmanned aerial vehicles (UAVs) in GNSS-denied environments using minimal onboard sensing-an inter…
Vision-Aided Relative State Estimation for Approach and Landing on a Moving Platform with Inertial Measurements
Tarek Bouazza, Alessandro Melis, Soulaimane Berkane +2
This paper tackles the problem of estimating the relative position, orientation, and velocity between a UAV and a planar platform undergoing arbitrary 3D motion during approach and…
Barometer-Aided Attitude Estimation
Méloné Nyoba Tchonkeu, Soulaimane Berkane, Tarek Hamel
Accurate and robust attitude estimation is a central challenge for autonomous vehicles operating in GNSS-denied or highly dynamic environments. In such cases, Inertial Measurement…
Observer Design for Optical Flow-Based Visual-Inertial Odometry with Almost-Global Convergence
Tarek Bouazza, Soulaimane Berkane, Minh-Duc Hua +1
This paper presents a novel cascaded observer architecture that combines optical flow and IMU measurements to perform continuous monocular visual-inertial odometry (VIO). The propo…
Attitude Estimation Using Scalar Measurements
Hassan Alnahhal, Sifeddine Benahmed, Soulaimane Berkane +1
This paper revisits the problem of orientation estimation for rigid bodies through a novel framework based on scalar measurements. Unlike traditional vector-based methods, the prop…
A Geometric Approach For Pose and Velocity Estimation Using IMU and Inertial/Body-Frame Measurements
Sifeddine Benahmed, Soulaimane Berkane, Tarek Hamel
This paper addresses accurate pose estimation (position, velocity, and orientation) for a rigid body using a combination of generic inertial-frame and/or body-frame measurements al…
A General Nonlinear Observer Design for Inertial Navigation Systems with Almost Global Stability Guarantees
Sifeddine Benahmed, Tarek Hamel, Soulaimane Berkane
This paper studies nonlinear observer design for rigid-body extended pose estimation using inertial measurements and generic exteroceptive sensing. The estimation problem is formul…
Dissipative Avoidance Feedback for Reactive Navigation Under Second-Order Dynamics
Lyes Smaili, Zhiqi Tang, Soulaimane Berkane +1
This paper addresses the problem of autonomous robot navigation in unknown, obstacle-filled environments with second-order dynamics by proposing a Dissipative Avoidance Feedback (D…
Observer-Based Control of Second-Order Multi-vehicle Systems in Bearing-Persistently Exciting Formations
Zhiqi Tang, Baris Fidan, Karl H. Johansson +2
This paper proposes an observer-based formation tracking control approach for multi-vehicle systems with second-order motion dynamics, assuming that vehicles' relative or global po…