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Numerical analysis of passive safety systems in forklift trucks
90 accidents involving forklift trucks occur each year in Poland, resulting in nearly 100 injured persons including 10–15 fatalities. The most frequent and most dangerous accidents include those caused by the loss of stability of a forklift truck with the operator inside, resulting in its tip-over. More than a half of this type of incidents have a fatal outcome. The paper describes results of tests aimed at verifying the effectiveness of passive safety systems used to protect the operator against the effects of the truck tip-over. The tests were performed with the use of numerical simulation...
Renversement latéral des chariots élévateurs
Évaluation de systèmes à gain de stabilité Les chariots élévateurs à contrepoids sont des engins de manutention relativement instables de par leur conception. pour pallier cette difficulté, les principaux fabricants européens ont récemment proposé des améliorations sous forme de systèmes permettant d'augmenter la stabilité. Une étude a été menée par l'INRS et le BGHW pour évaluer ces dispositifs. Cet article en présente les résultats. Source...
Forklift truck reverse sensor systems assessment
Counterbalance forklift trucks (FLTs) are widely used in a variety of industry sectors for material handling. Incidents involving FLTs are typically vehicle/pedestrian, vehicle/vehicle, or vehicle/structure collisions. Of these, vehicle/pedestrian incidents have the most potential for reportable injury and around 500 incidents a year involving moving FLTs are reported to HSE. Measures to improve or augment the operator's field of vision can include: mirrors and CCTV systems (which rely on the operator's observations) and sensor systems (including ultrasonic, radar, and Radio Frequency Identification...
Exploring the human and physical factors associated with telescopic handler overturning risks
A combination of machine instability and various human factors elements are important precipitating factors in telescopic handler overturn incidents. Industry guidance makes a number of assumptions about the impact of operator “knowledge gaps”, however the link between operator knowledge gaps and overturn risk is, at present, hypothetical and remains empirically untested. This study was done to identify: - the full range of human factors issues that might potentially contribute to telescopic handler overturn incidents; - the human factors issues that appear to be most important in terms...
The National Tractor Safety Coalition
Taking a new systems-approach to a well-known problem The agriculture industry is widely recognized for its high work-related fatal injury rates, which are estimated to be 20.2 deaths per 100,000 workers (compared to 3.2 per 100,000 workers for all workers). Tractor overturns are the most frequent cause of farm fatalities, yet they can be readily addressed with the presence of a roll-bar and seatbelt (referred to as a rollover protective structure system or ROPS). Unfortunately, roughly 40% of U.S. tractors lack these protective devices. Older farmers, part-time farmers, and low-income farms are...
All terrain vehicle loss of control events in agriculture
Contribution of pitch, roll and velocity Ergonomics. 2010 Jan;53(1):18-29 Source :

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