Can The ‘Speed Bump Sign’ Be a Diagnostic Tool for Acute Appendicitis? Evidence-Based Appraisal by Meta-Analysis and GRADE [PDF]
Life, 2022 Objectives: The ‘speed bump sign’ is a clinical symptom characterised by aggravated abdominal pain while driving over speed bumps. This study aimed to perform a diagnostic meta-analysis, rate the certainty of evidence (CoE) and analyse the applicability ...
Ling Wang +3 more
doaj +3 more sources
Speed Bump Detection Using Accelerometric Features: A Genetic Algorithm Approach [PDF]
Sensors, 2018 Among the current challenges of the Smart City, traffic management and maintenance are of utmost importance. Road surface monitoring is currently performed by humans, but the road surface condition is one of the main indicators of road quality, and it ...
Jose M. Celaya-Padilla +9 more
doaj +3 more sources
Adaptive Speed Bump With Vehicle Identification for Intelligent Traffic Flow Control
IEEE Access, 2022 This paper presents a mechatronic system for intelligent speed bump control. The idea is to make the road bump operate adaptively based on the identification or driving speed of the incoming vehicle.
Huei-Yung Lin, Cheng-Yu Ho
doaj +2 more sources
An evaluation of machine learning methods for speed-bump detection on a GoPro dataset [PDF]
Anais da Academia Brasileira de Ciências, 2021 Every day, new applications arise relying on the use of high-resolution road maps in both academic and industrial environments. Autonomous vehicles rely on digital maps to navigate when optical sensors cannot be trusted, such as heavy rainfalls, snowy ...
JOHNY MARQUES +4 more
doaj +3 more sources
Rancang Bangun Speed Bump Sebagai Pembangkit Listrik Energi Alternatif
Simetris: Jurnal Teknik Mesin, Elektro dan Ilmu Komputer, 2020 Speed bump atau dalam bahasa Indonesia disebut “Polisi Tidur”, dianggap kurang bermanfaat dan mengganggu bagi para pengendara motor untuk mengurangi kecepatan motornya.
Aris Suryadi +2 more
doaj +2 more sources
PRELIMINARY STUDIES OF VERTICAL ACCELERATION OF A PASSENGER CAR PASSING THROUGH THE SPEED BUMP FOR VARIOUS DRIVING SPEEDS [PDF]
Transport Problems, 2019 The article proposes a phenomenological model of a passenger car. The model includes the biomechanical model of human bodies in the sitting position of Muksian and Nash acting as passengers, while the driver’s weight has been reduced to the ...
Tomasz HANISZEWSKI, Agata MICHTA
doaj +2 more sources
Improvement of Dynamic Characteristics of Purpose-Built Vehicles Using Semi-Active Suspension System [PDF]
SensorsThe diversification of mobility into services such as smart stores and conference rooms has accelerated the development of purpose-built vehicles (PBVs)—vehicles designed for specific purposes that utilize an extended electric vehicle chassis and ...
Minyoung Kim, Chunhwan Lee
doaj +2 more sources
Techno.Com, 2019 Kecelakaan lalu lintas sering terjadi disebabkan kendaraan yang melaju dengan kecepatan tinggi. Penelitian ini mengembangkan sistem penegakan speed bump (polisi tidur) yang dapat memberikan peringatan bagi pengemudi dalam memperlambat laju kendaraan dan ...
Muhammad Zulfikri +2 more
doaj +2 more sources
A Speed Bump: SN 2021aefx Shows that Doppler Shift Alone Can Explain Early Excess Blue Flux in Some Type Ia Supernovae [PDF]
Astrophysical Journal Letters, 2022 We present early-time photometric and spectroscopic observations of the Type Ia supernova (SN Ia) 2021aefx. The early-time u-band light curve shows an excess flux when compared to normal SNe Ia.
C. Ashall +19 more
semanticscholar +1 more source
Spillage-Adaptive Fixed-Geometry Bump Inlet of Wide Speed Range
Aerospace, 2021 In this work, a new spillage-adaptive bump inlet concept is proposed to widen the speed range for hypersonic air-breathing flight vehicles. Various approaches to improve the inlet start-ability are summarized and compared, among which the bump-inlet ...
Zonghan Yu +3 more
doaj +1 more source