Passive Infrared Sensor - an overview | ScienceDirect Topics
Jul 8, 2009 · 3.2 Passive infrared sensor (PIR sensor) A PIR sensor is an electronic sensor used in motion detectors such as automatically triggered lighting devices and protection systems that …
Sensitivity enhancement of Passive Infrared (PIR) sensor for motion ...
Oct 1, 2021 · For the PIR sensor, coverage area, sensitivity, angle of view, and responsitivity are the main criteria required for better sensor performance. The dominant one is the sensitivity, which is the …
Bifurcation analysis and control in a second-order DC–AC inverter with ...
Jun 1, 2025 · The quasi-PIR controlled second-order inverter has two working modes, and its state switches between mode one and two once in a switching period via the bipolar sinusoidal pulse width …
Passive infrared sensor dataset and deep learning models for device ...
Jan 1, 2023 · For these reasons, PIR and thermopile sensors are also viable options for location estimation in an indoor environment such as home and office buildings. There are a substantial …
Mechanical and thermal properties of polyisocyanurate rigid foams ...
Dec 1, 2023 · The use of polyisocyanurate (PIR) foams as a substitute for polyurethane (PUR) is steadily growing for insulation, flooring, and roofing applications, given PIR's higher flammability …
Role and mechanism of piR-0228 targeting RIPK1 to ... - ScienceDirect
Nov 1, 2025 · In addition, we identified and confirmed that RIPK1 is a downstream target of piR-0228 and is negatively regulated by it through the integration of bioinformatics analysis. Finally, we …
Novel occupancy detection method based on convolutional neural …
Oct 1, 2024 · The sensors divided the office into six separate sub-zones. The four west PIR sensors covered four seats and the personnel sitting in these positions were all university researchers, …
Review of signal processing applications of Pyroelectric Infrared (PIR ...
Dec 1, 2021 · The article reviews signal processing applications of Pyroelectric Infrared (PIR) sensors with the main focus on the respiration and pulse rate detect…
piR-hsa-35410 promotes triple-negative breast cancer progression via ...
Dec 1, 2025 · This study identified piR-hsa-35410 (hereafter piR-35410) with aberrant expression and aimed to further elucidate its biological functions and mechanisms in TNBC. In TNBC, the elevated …
Non-invasive occupancy estimation and space utilization in smart ...
Nov 1, 2025 · This study addresses these limitations by exclusively utilizing two binary PIR sensors (in-door and in-room) and booking data. Since PIR sensors and booking systems are already integrated …