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Control of consumer electrical devices for providing electrical grid services is expanding in both the scope and the diversity of loads that are engaged in control, but there are few experimentally-based models of these devices suitable for…

Optimization and Control · Mathematics 2016-10-06 Drew A. Geller , Scott Backhaus

The proper choice of a measurement technique that minimizes systematic and random uncertainty is an essential part of experimental physics. These issues are difficult to teach in the introductory laboratory, though: because most experiments…

Physics Education · Physics 2011-08-26 Chad Orzel , Gary Reich , Jonathan Marr

An experimental testbed has been constructed to assess the capabilities of Light-Wave Sensing, a promising new vitals monitoring approach. A Light-Wave Sensing apparatus utilizes infrared radiation to contactlessly monitor the subtle…

Medical Physics · Physics 2023-11-08 Brenden Martin , Md Zobaer Islam , Carly Gotcher , Tyler Martinez , Sabit Ekin , John F. O'Hara

Homemade spectrometers are commonly used tools to analyze light sources and determine its physical characteristics. We perform an assessment of homemade spectrometers in terms of spectral resolution and accuracy in the determination of…

Physics Education · Physics 2022-01-19 Ana R. Romero Castellannos , H. E. Castellanos , C. E. Alvarez-Salazar

Advances in instrumentation and tracer materials are still required to enable sensitive and accurate 3D temperature monitoring by magnetic particle imaging. We have developed a magnetic particle imaging instrument to observe temperature…

Medical Physics · Physics 2023-01-23 Thinh Q. Bui , Mark-Alexander Henn , Weston L. Tew , Megan A. Catterton , Solomon I. Woods

Artificial lighting is responsible for a large portion of total energy consumption and has great potential for energy saving. This paper designs an LED light control algorithm based on users' localization using multiple battery-less binary…

Systems and Control · Computer Science 2017-04-18 Tao Yu , Yusuke Kuki , Gento Matsushita , Daiki Maehara , Seiichi Sampei , Kei Sakaguchi

Changing public perceptions and government regulations have led to the widespread use of low-cost air quality monitors in modern indoor spaces. Typically, these monitors detect air pollutants to augment the end user's understanding of her…

Human-Computer Interaction · Computer Science 2024-08-13 Prasenjit Karmakar , Swadhin Pradhan , Sandip Chakraborty

Common approaches to control a data-center cooling system rely on approximated system/environment models that are built upon the knowledge of mechanical cooling and electrical and thermal management. These models are difficult to design and…

Systems and Control · Computer Science 2018-08-31 Takao Moriyama , Giovanni De Magistris , Michiaki Tatsubori , Tu-Hoa Pham , Asim Munawar , Ryuki Tachibana

We experimentally demonstrate electromagnetically induced transparency and light storage with ultracold 87Rb atoms in a Mott insulating state in a three dimensional optical lattice. We have observed light storage times of about 240 ms, to…

Quantum Physics · Physics 2010-06-21 U. Schnorrberger , J. D. Thompson , S. Trotzky , R. Pugatch , N. Davidson , S. Kuhr , I. Bloch

Optical propagation time in matter could reveal fruitful information, such as the velocity of light and the sample's refractive index. In this paper, we build a simple and robust setup for measuring the optical propagation time in matter…

Instrumentation and Detectors · Physics 2017-09-18 Shenghao Wang , Shijie Liu , You Zhou , Jianda Shao

Observations in Quantum Mechanics are subject to complex restrictions arising from the principle of energy conservation. Determining such restrictions, however, has been so far an elusive task, and only partial results are known. In this…

Quantum Physics · Physics 2015-06-12 Miguel Navascues , Sandu Popescu

Problem solving has been recognized as a central skill that today's students need to thrive and shape their world. As a result, the measurement of problem-solving competency has received much attention in education in recent years. A…

Applications · Statistics 2025-01-08 Yunxiao Chen

We design a Teaching laboratory experience for blind students, to measure the linear thermal expansion coefficient of an object. We use an open-source electronic prototyping platform to create interactive electronic objects, with the…

Physics Education · Physics 2020-06-24 O. Negrete , A. Lisboa , F. J. Peña , C. O. Dib , P. Vargas

Non-intrusive presence detection of individuals in commercial buildings is much easier to implement than intrusive methods such as passive infrared, acoustic sensors, and camera. Individual power consumption, while providing useful feedback…

Human-Computer Interaction · Computer Science 2017-05-03 Ming Jin , Ruoxi Jia , Zhoayi Kang , Ioannis C. Konstantakopoulos , Costas Spanos

The neural encoding by biological sensors of flying insects, which prefilters stimulus data before sending it to the central nervous system in the form of voltage spikes, enables sensing capabilities that are computationally low-cost while…

Systems and Control · Electrical Eng. & Systems 2022-06-07 Burak Boyacıoğlu , Alice C. Schwarze , Bingni W. Brunton , Kristi A. Morgansen

Smart building management systems rely on sensors to optimize the operation of buildings. If an unauthorized user gains access to these sensors, a privacy leak may occur. This paper considers such a potential leak of privacy in a smart…

Systems and Control · Electrical Eng. & Systems 2020-03-31 Rijad Alisic , Marco Molinari , Philip E. Paré , Henrik Sandberg

This paper investigates a case study on measuring and controlling the first-order degree of spatial coherence under different coupling adjustments in the storage ring. The experimental findings are consistent with the predicted inverse…

Accelerator Physics · Physics 2026-04-30 Y. Y. Sigari , N. A. Simonson , N. Appathurai , R. Castle , B. D. Moreno , S. Saadat , J. Wang , J. M. Vogt , M. J. Boland

Mutation testing is a means to assess the effectiveness of a test suite and its outcome is considered more meaningful than code coverage metrics. However, despite several optimizations, mutation testing requires a significant computational…

Software Engineering · Computer Science 2019-03-14 Rainer Niedermayr , Stefan Wagner

We analyze the operation of a switching-based detector that probes a qubit's observable that does not commute with the qubit's Hamiltonian, leading to a nontrivial interplay between the measurement and free-qubit dynamics. In order to…

Quantum Physics · Physics 2009-05-07 S. Ashhab , J. Q. You , Franco Nori

Probing signal injection is a well-established technique to extract additional information from a weakly (or non) observable dynamical system. Using averaging theory, a framework to analyse such schemes for general nonlinear systems has…

Systems and Control · Computer Science 2019-11-20 Bowen Yi , Romeo Ortega , Houria Siguerdidjane , Juan E. Machado , Weidong Zhang