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 …
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 …
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 …
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 …
Geochronology and geochemistry of the Panjal Traps from the …
Jan 1, 2023 · The eruption of the Panjal Traps is associated with rifting along the Tethyan margin of Gondwana. A CA-ID-TIMS zircon U-Pb age of basalt collected fro…
Design of Smart Home Security System using Object Recognition and …
Jan 1, 2018 · This research aims to design and implement a home security system with the capability for human detection. The traditional home security system, i.e. …
Carbon black induced pulmonary fibrosis through piR-713551/PIWIL4 ...
Sep 1, 2025 · Mechanically, piR-713551/PIWIL4 complex activated the THBS2 transcription by recruitment of histone demethyltransferase KDM4A to reduce H3K9me3 modification at the THBS2 …
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, …