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We subject a falling cloud of cold cesium atoms to periodic kicks from a sinusoidal potential created by a vertical standing wave of off-resonant laser light. By controllably accelerating the potential, we show quantum accelerator mode…

Atomic Physics · Physics 2007-05-23 Z. Y. Ma , M. B. d'Arcy , S. A. Gardiner

In many applications, the ability to measure the vector information of a magnetic field with high spatial resolution and low cost is essential, but it is still a challenge for existing magnetometers composed of multiple sensors. Here, we…

Mesoscale and Nanoscale Physics · Physics 2022-08-05 Xin Chen , Hang Xie , Haoxuan Shen , Yihong Wu

Hybrid systems theory has become a powerful approach for designing feedback controllers that achieve dynamically stable bipedal locomotion, both formally and in practice. This paper presents an analytical framework 1) to address…

Optimization and Control · Mathematics 2018-10-17 Kaveh Akbari Hamed , Wen-Loong , Aaron D. Ames

A vacuum compatible cryogenic accelerometer is presented which will reach $<0.5$ p$g$ Hz$^{-1/2}$ sensitivity from 1 mHz to 10 Hz with a maximum sensitivity of 10 f$g$ Hz$^{-1/2}$ around 10 Hz. This figure can be translated to a…

Applied Physics · Physics 2020-08-26 Joris Vincent van Heijningen

We report the demonstration of a sensitive absolute gravity gradiometer based on light-pulse atom interference techniques. The gradiometer consists of two absolute accelerometers operated in a differential mode. We report a differential…

Atomic Physics · Physics 2009-11-07 J. M. McGuirk , G. T. Foster , J. B. Fixler , M. J. Snadden , M. A. Kasevich

Precision measurement of magnetic fields is an important goal for fundamental science and practical sensing technology. Sensitive detection of a vector magnetic field is a crucial issue in quantum magnetometry, it remains a challenge to…

Quantum Physics · Physics 2024-10-23 Min Zhuang , Sijie Chen , Jiahao Huang , Chaohong Lee

Although Global Navigation Satellite Systems (GNSS) provide a general solution for bike tracking outdoors, there still exist complex riding environments where only inertial navigation systems work, such as urban canyons. Despite decades of…

Machine Learning · Computer Science 2026-05-11 Feng Liu , Kejia Li , Zhiwei Yang , Chunwei Yang , Qun Li , Guobin Wu , Qiang Ni , Ruipeng Gao

The geometric phase can be used as a fruitful venue of investigation to infer features of the quantum systems. Its application can reach new theoretical frontiers and imply innovative and challenging experimental proposals. Herein, we take…

Accurate ground truth annotations are critical to supervised learning and evaluating the performance of autonomous vehicle systems. These vehicles are typically equipped with active sensors, such as LiDAR, which scan the environment in…

Computer Vision and Pattern Recognition · Computer Science 2026-01-21 Alexandre Justo Miro , Ludvig af Klinteberg , Bogdan Timus , Aron Asefaw , Ajinkya Khoche , Thomas Gustafsson , Sina Sharif Mansouri , Masoud Daneshtalab

This work presents methods for the determination of a humanoid robot's joint velocities and accelerations directly from link-mounted Inertial Measurement Units (IMUs) each containing a three-axis gyroscope and a three-axis accelerometer. No…

Robotics · Computer Science 2016-02-17 Nicholas Rotella , Sean Mason , Stefan Schaal , Ludovic Righetti

Detecting 3D objects in point clouds plays a crucial role in autonomous driving systems. Recently, advanced multi-modal methods incorporating camera information have achieved notable performance. For a safe and effective autonomous driving…

Computer Vision and Pattern Recognition · Computer Science 2025-02-28 Hoonhee Cho , Jae-young Kang , Youngho Kim , Kuk-Jin Yoon

Agile quadrotor flight pushes the limits of control, actuation, and onboard perception. While time-optimal trajectory planning has been extensively studied, existing approaches typically neglect the tight coupling between vehicle dynamics,…

Robotics · Computer Science 2026-03-05 Chao Qin , Jiaxu Xing , Rudolf Reiter , Angel Romero , Yifan Lin , Hugh H. -T. Liu , Davide Scaramuzza

Accurate localization is a core component of a robot's navigation system. To this end, global navigation satellite systems (GNSS) can provide absolute measurements outdoors and, therefore, eliminate long-term drift. However, fusing GNSS…

Robotics · Computer Science 2024-10-10 Jonas Beuchert , Marco Camurri , Maurice Fallon

Accurate detection of 3D objects is a fundamental problem in computer vision and has an enormous impact on autonomous cars, augmented/virtual reality and many applications in robotics. In this work we present a novel fusion of neural…

Computer Vision and Pattern Recognition · Computer Science 2019-04-17 Martin Simon , Karl Amende , Andrea Kraus , Jens Honer , Timo Sämann , Hauke Kaulbersch , Stefan Milz , Horst Michael Gross

Reliable flood detection is critical for disaster management, yet classical deep learning models often struggle with the high-dimensional, nonlinear complexities inherent in remote sensing data. To mitigate these limitations, we introduced…

Machine Learning · Computer Science 2026-03-17 Soumyajit Maity , Behzad Ghanbarian

Inertial navigation computation is to acquire the attitude, velocity and position information of a moving body by integrating inertial measurements from gyroscopes and accelerometers. Over half a century has witnessed great efforts in…

Robotics · Computer Science 2021-09-21 Yuanxin Wu

In order to test gravitation in the Solar System, it is necessary to improve the orbit restitution of interplanetary spacecrafts. The addition of an accelerometer on board is a major step toward this goal because this instrument measures…

Instrumentation and Detectors · Physics 2013-03-14 Benjamin Lenoir , Bruno Christophe , Serge Reynaud

Roadside perception is a key component in intelligent transportation systems. In this paper, we present a novel three-dimensional (3D) extended object tracking (EOT) method, which simultaneously estimates the object kinematics and extent…

Signal Processing · Electrical Eng. & Systems 2024-04-30 Jiayin Deng , Zhiqun Hu , Yuxuan Xia , Zhaoming Lu , Xiangming Wen

Recently, the community has witnessed numerous datasets built for developing and testing state estimators. However, for some applications such as aerial transportation or search-and-rescue, the contact force or other disturbance must be…

Robotics · Computer Science 2022-03-03 Kunyi Zhang , Tiankai Yang , Ziming Ding , Sheng Yang , Teng Ma , Mingyang Li , Chao Xu , Fei Gao

Sensors for mapping the trajectory of an incoming particle find important utility in experimental high energy physics and searches for dark matter. For a quantum sensing protocol that uses projective measurements on a multi-qubit sensor…

Quantum Physics · Physics 2024-10-10 Zachary E. Chin , David R. Leibrandt , Isaac L. Chuang