نتایج جستجو برای: rollover stability
تعداد نتایج: 300735 فیلتر نتایج به سال:
Teleoperated mobile agents (or vehicles) play an important role especially in hazardous environments such as inspecting underwater structures (Lin, 1997), demining (Smith, 1992), and cleaning nuclear plants (Kim, 2002). A teleoperated agent is, in principle, maneuvered by an operator at a remote site, but should be able to react autonomously to avoid dangerous situations such as collisions with...
The AIS 031 is equivalent to ECE -driver. The ultimate aim of this study was to investigate the impact on passenger residual performed. of 10 mm is maintained in the critical regions and 30mm in the noncritical regions. The -031. ure was carried out using HyperMesh and HyperC it solver. . A study by Pearce et al. [1] found that bus rollovers caused ombined rollover involves -on collision that l...
An anti-rollover control algorithm based on the Time-To-Rollover (TTR) metric is proposed in this paper. A simple model with steering and direct yaw moment control inputs was constructed to calculate the TTR in real-time. The TruckSim dynamic simulation software was used to verify the control performance, as well as to simulate the system dynamics in the UM-Oakland driving simulator. Both the s...
1. INTRODUCTION At midnight on December 31 st last year one of the most widely anticipated events in computing took placeΧthe Millennium date rollover. Fortunately, the occasion was marked by virtually no disruption to computing services and the global meltdown that some authors had predicted did not arise. The purpose of this panel is to explore the experiences of and the lessons learned from ...
In this paper, the related studies of chassis configurations and control systems for four-wheel independent drive/steering electric vehicles (4WID-4WIS EV) are reviewed discussed. Firstly, some prototypes integrated X-by-wire modules 4WID-4WIS EV introduced, configuration is analyzed. Then, common models EV, i.e., dynamic model, kinematic path tracking summarized. Furthermore, frameworks, strat...
Although the electronic stability control devices have reduced the number of dynamic rollover accidents, it still occupies non-negligible portion of the traffic accidents with fatality and severe injuries. The principal body region of fatal or severe injury in dynamic rollover is cervical spine, while there have been no recognized injury criteria of cervical spinal injuries using existing ATDs ...
There is a recent trend of building roundabouts on highspeed roads, often with the considerable presence of heavy vehicles. With the increased presence of trucks on roundabouts, the issue of overturning has become a concern. Although some geometric, vehicle, and loading factors have been connected to rollover, the safety performance of roundabouts built on high-speed roads is not well understoo...
Soldiers incurred injuries or even lost their lives due to rollovers while driving military vehicles. A recent report identified that the one cause of rollovers is the driver’s inability to assess rollover threats, such as a cliff, soft ground, water, or a culvert on the passenger side of the vehicle, due to the vehicle’s width. To reduce the number of rollover accidents, a road-edge detection ...
1.1. Background Studies have shown that most rollover accidents involve heavy articulated vehicles, and occur on highways [1]. Three major contributing factors to rollover accidents have been identified: (1) sudden course deviation, often in combination with heavy braking, from high initial speed; (2) excessive speed on curves; and, (3) load shift. The accidents are relatively frequent, and the...
The rollover tendency of upland farm machinery needs to be carefully considered because crop fields are typically irregular, and accidents frequently result in injuries even death the operators. In this study, characteristics an underdeveloped 12 kW automatic onion transplanter were determined theoretically evaluated through simulation validation tests considering mounting position transplantin...
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