نتایج جستجو برای: emergency vehicle
تعداد نتایج: 251154 فیلتر نتایج به سال:
To improve emergency response efficiency under uncertainty, an urban emergency vehicle scheduling model is optimized by mathematical planning. The existing scheduling models are only built in accordance with current incidents while ignoring future incidents. To deal efficiently with future incidents, we adopt a different and novel approach in this paper by establishing a mathematical model whic...
background: motor vehicle traffic injuries are indeed one of the most important worldwide health problems. opioids can induce a depressant effect on the central nervous system which may increase the risk of traffic accidents. this cross-sectional case-control study was conducted in marvdasht, iran to investigate the presence of drugs in hospitalized non-fatally injured drivers of motor vehicles...
This paper describes a lightweight, modular and energy efficient robotic vehicle platform designed for broadacre agriculture the Small Robotic Farm Vehicle (SRFV). The current trend in farming is towards increasingly large machines that optimise the individual farmer’s productivity. Instead, the SRFV is designed to promote the sustainable intensification of agriculture by allowing farmers to co...
An adaptive control scheme for emergency braking of vehicles is designed based on a LuGre dynamic model for the tire/road friction. The wheel angular speed and longitudinal vehicle acceleration information are used to design an observerestimator for vehicle velocity, friction internal state and friction parameters. A Lyapunov-based stabilizing controller is designed to achieve near maximum brak...
Global positioning system is used to get the vehicle position and can be shared with other nodes in the network. The sparse vehicle traffic leads to network fragmentation, is challenging task for safety application. In case of emergency not all the vehicle get affected in network so broadcasting of alert packet is not feasible rather it has to be multicast, but defining the list of node for mul...
BACKGROUND Ambulance crashes have become an increasing source of public concern. Emergency medical services directors have little data to develop ambulance operation and risk management policies. OBJECTIVE To describe fatal ambulance crash characteristics, identifying those that differentiate emergency and nonemergency use crashes. METHODS This was a retrospective analysis of all fatal ambu...
BACKGROUND Response time is viewed as a key performance indicator in most emergency medical services (EMS) systems. OBJECTIVE To determine the effect of increased emergency vehicle numbers on response time performance for priority 1 incidents in an urban EMS system in Cape Town, South Africa, using discrete-event computer simulation. METHOD A simulation model was created, based on input dat...
Using Service-Oriented Architecture (SOA) to build an information system is a hot topic at present. The primary goal of this paper is to investigate how to build a SOA-based information system in a special industrythe field of emergency vehicles in environment protection industry. The paper provides a presentation of current compositions of the emergency vehicles information system and then giv...
Although there have been a number of advances in active vehicle safety, such as Autonomous Emergency Braking[2] and Steering[5], there is significant room for improvement. By using a riskminimization approach that utilizes a neural network trained from simulation and re-evaluates its control decision 30 times per second, we are able to significantly improve upon Autonomous Emergency systems. In...
This paper deals with an autonomous speed control system for the vehicles (ASCS), which helps us to reduce the number of road accidents and to maintain a disciplined traffic control system over the country. Here we are having two sections one is transmitter section and the other is vehicle (receiver) section. Say when a vehicle enters into a particular zone such as school zone then the Rf trans...
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