نتایج جستجو برای: truck driver
تعداد نتایج: 43833 فیلتر نتایج به سال:
Approximately 1,701,500 people were employed as heavy and tractor-trailer truck drivers in the United States in 2012. The majority of them were long-haul truck drivers (LHTDs). There are limited data on occupational injury and safety in LHTDs, which prompted a targeted national survey. The National Institute of Occupational Safety and Health conducted a nationally representative survey of 1265 ...
but does require sufficient real traffic and action data to capture the underlying relationship between states and actions. Therefore, ANN models estimate actions on the basis of the real state–action mapping of natural behavior. Data from the naturalistic driving database of the Naturalistic Truck Driving Study (NTDS) (1), collected by the Virginia Tech Transportation Institute and Blanco et a...
The power management controller of a hybrid vehicle orchestrates the operation of onboard energy sources, namely engine and auxiliary power source with the goal of maximizing performance objectives such as the fuel economy. The paper focuses on optimization of the power management strategy of the refuse truck with parallel hydraulic hybrid powertrain. The high power density of hydraulic compone...
Programs of the Federal Motor Carrier Safety Administration (FMCSA) encompass a range of issues and disciplines, all related to motor carrier safety and security. FMCSA’s Office of Analysis, Research and Technology defines a “research program” as any systematic study directed toward fuller scientific discovery, knowledge, or understand-ing that will improve safety, and reduce the number and sev...
A minivan fire in a K-Mart parking lot i illustrates several pertinent points common to vehicle fires: • The pavement underneath the minivan is ablaze. • The car in the immediate vicinity of the minivan catches fire demonstrating how an entire parking lot or underground parking garage of cars parked close together, as is the case in NYC, can burn serially. • The driver-side front tire of the mi...
OBJECTIVES To describe a case and review literature for intracerebral hemorrhage caused by migraine. DESIGN Case report. SETTING Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts. PATIENT A 54-year-old truck driver with a 2-year history of atypical headaches. RESULTS A 54-year-old right-handed truck driver was seen in consultation with a 2-year history ...
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