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 …
Privacy-concerned averaged human activeness monitoring and …
Jan 1, 2025 · PIR sensors offer a non-invasive method that ensures the safety and confidentiality of individuals, making them a preferred choice for privacy-conscious monitoring solutions. By …
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, …
Bifurcation analysis and control in a second-order DC–AC inverter …
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 …
Review of signal processing applications of Pyroelectric Infrared …
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…
Design of Smart Home Security System using Object Recognition …
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. …
Self-supporting flexible electrode-integrated microfluidic ECL …
Nov 1, 2025 · The integration of electrochemiluminescence (ECL) sensor into microfluidic chip can greatly improve the convenience and reliability in bioanalysis, en…
Mechanical and thermal properties of polyisocyanurate rigid …
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 …
piR-hsa-35410 promotes triple-negative breast cancer progression …
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 …
CD40 induces PIR-A+ macrophages to promote chronic allograft …
Mar 26, 2025 · Results CD40 and PIR-A were highly expressed and colocalized in macrophage-infiltrating allograft in the mouse model. CD40-CD40L blockade inhibited PIR-A expression …