warning lights
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Author(s):  
Mrs. Priyanka

The implementation of the Collision Avoidance System is aimed to reduce the risks of collisions at the hairpin bend on a Hilly track, Ghats, or other Zero visibility turns The proposed system contains a set of proximity sensors, warning lights combined with a convex mirror is installed by the side of the road. Moreoverthis project is about the design and manufacturing of speed breaker power generator. In this project we are trying to utilize one such source. In this report we explain in detail the various stages of research, design and manufacturing which was involved in the construction of various components such as springs, generator, rack and pinion mechanism.


2021 ◽  
Author(s):  
Maria Barbosa ◽  
Anderson Queiroz ◽  
Wanderson L Lira ◽  
Kelvin Dias ◽  
Eduardo Oliveira

Numerous health issues and even deaths are becoming common incases of forgotten babies or children inside vehicles. In this context,we present a proposal based on a low-cost, open-source platform,which aims to protect these children by controlling the car’s mainsecurity functions, as well as its geolocation, to assist the decisionmakingprocess of those responsible for the children. SafeBaby isan integrated and modularized solution categorized in two groups,the first being hardware: circuit boards, sensors for different applications,a group of different cabling and communication devices,and the other software: a logic code that has the function to capture,monitor, interpret and decide on the various aspects that involvethe safety of a infant inside a vehicle. The system was designed toaccomplish decision-making in the face of an event by lowering theelectric windows, activating the warning lights, horns, unlockingthe doors, and sending the notifications for those responsible forthe child, as well as the geolocation to safeguard life.


Author(s):  
Fatemeh Fakhrmoosavi ◽  
Ramin Saedi ◽  
Farish Jazlan ◽  
Ali Zockaie ◽  
Mehrnaz Ghamami ◽  
...  

Snow removal activities are performed by roadway agencies to enhance winter mobility and safety. Slower travel speeds during these operations, combined with low visibility and reduced pavement friction, mean that safety and collision avoidance remain a persistent concern. Many studies have implemented signing and lighting technologies to improve the visibility of snowplows. Although a few studies have evaluated the use of different colors on snowplows, there is no rigorous study that evaluates the potential impacts of using green warning lights for winter maintenance operations. This study, therefore, investigates the impacts of various warning light configurations on the visibility of snowplows, with the focus on green lights. To this end, 37 warning light configurations are designed using various color combinations (green and amber), and flashing patterns (single and quad) on the back (LED), the top (beacon), or both, of snowplows. These configurations are evaluated to identify the most effective configurations. Three sets of experiments are designed and implemented: static, dynamic, and weather to evaluate the visibility effectiveness in different contexts: day versus night, clear versus snowy weather, and static versus dynamic scenarios. Human subjects are employed to conduct the experiments and the test results are evaluated using statistical analyses. The conspicuity during the day time and glare during the night time are statistically different among various configurations. In addition, adding green lights with a single flash pattern to amber warning lights improves the conspicuity, while keeping the glare at an acceptable level relative to configurations using only amber.


Author(s):  
Nicholas P. Skinner ◽  
Timothy T. LaPlumm ◽  
John D. Bullough

Service vehicles use flashing warning lights to indicate their presence to approaching drivers. Present standards offer ranges of flash frequencies to enhance conspicuity and avoid potential risks of photosensitive epilepsy or other issues. But, in practice, the flash frequency is not varied in specific situations. Previous studies have indicated that people interpret faster flash frequencies as more “urgent” than slower flash frequencies. Building on these findings, a laboratory study was conducted to identify whether drivers might be able to use cues from the frequency of flashing warning lights to anticipate how a service vehicle might behave in a work zone or other incident scene. The results suggest that even if they are not taught about the interpretation of different flash frequencies, drivers can differentiate between 1 Hz and 4 Hz flashing lights and learn to make accurate predictions about their meaning. The results also indicate that there are no reliable differences between 1 Hz and 4 Hz flashing in relation to a driver’s ability to detect when a service vehicle has begun to move. Based on the results, a preliminary suggestion is made to use lights flashing at 1 Hz when a service vehicle is moving forward, and 4 Hz when it is traveling in reverse.


2020 ◽  
Vol 3 (1) ◽  
pp. 95-103
Author(s):  
Muhammad Rafki

On the South Coast there is an increasing number of accidents every year. The criminological factor of the high number of traffic accidents in the Legal Area of the Pesisir Selatan Police is a factor of road conditions because Pesisir Selatan Regency has a geographical condition as a hilly plateau and is located along the southern coast of Sumatra. Another factor for community domesticated livestock is cows that are allowed to roam around without a leash. Efforts to Overcome Traffic Accidents in the Legal Area of the Pesisir Selatan District Police are carried out with several aspects, namely the engineering aspects of road maintenance and infrastructure, installation of markers, installation of warning lights (flip flop lights), installation of signs, and speed restrictions. The education aspect is carried out by improving motorist behavior, through appeals and training. Externally the obstacle faced is the lack of cooperation between the traffic police and other agencies related to traffic such as the transportation department and the nagari administration. The low level of legal awareness of road users in carrying out their work, namely driving their vehicles in accordance with good and correct driving operational standards, is often not applied by violating traffic regulations.


2020 ◽  
Author(s):  
Breno Schwambach ◽  
Johnell Brooks ◽  
Lauren Mims ◽  
Patrick Rosopa ◽  
Casey Jenkins

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