نتایج جستجو برای: anti skid
تعداد نتایج: 363473 فیلتر نتایج به سال:
Increase in soil bulk density and reduces in porosity and infiltration rate are the most common disturbances during timber harvesting and ground-base skidding. The present study was conducted to study soil physical properties e.g., soil bulk density, moisture, porosity and soil hydrological properties e.g., soil infiltration from ground-base skidding in twenty years since logging. After initial...
Technology of Making Airfield Pavements in Relation to the Existing Requirements in Terms of Texture
Abstract The assessment of the texture airfield pavements, in addition to assessing their roughness, is a component broader concept anti-skid properties, which significantly affect safety air operations. roughness pavement directly affects adhesion aircraft tire pavement, and additionally effectiveness dynamic drainage water from pavement. current standard requirements terms pavements do not di...
The aircraft anti-skid braking system (AABS) plays an important role in taking off, taxiing, and safe landing. In addition to the disturbances from complex runway environment, potential component faults, such as actuators can also reduce safety reliability of AABS. To meet increasing performance requirements AABS under fault disturbance conditions, a novel reconfiguration controller based on li...
The practical performance of recycled asphalt obtained from engine oil bottom (REOB) was evaluated by paving a test road base and REOB-recycled mixture in laboratory, where accelerated loading tests with 700,000 cycles were conducted. During loading, pavement temperature, layer strain, skid resistance, rutting monitored. core material tested after to analyze the index change binder compaction d...
Anti-slip control, as a fundamental technique of vehicle stability prevents loss control vehicles, especially under extreme driving conditions. However, current methods fail to suppress slippage when steering. Therefore, new anti-slip approach for four-wheel independent-drive electric vehicles (EVs) based on the energy method is proposed. This makes full use distribution motor between body and ...
Skidding operations induce changes in soil physical properties, which have the potential to impact soil sustainability and forest productivity. Our objective was to investigate the effects of traffic frequency, trail slope, and soil moisture content on soil compaction, total porosity and rut depth. Treatments included a combination of three different traffic intensities (3, 7, and 14 passes), t...
This paper presents results of a research aiming at modeling the evolution of road surface skid resistance using statistical and phenomenological approaches. Data are provided by a database composed of measurements collected on French roads during ten years: skid resistance values (Sideway Force Coefficient measured by SCRIM machine), macrotexture values (Mean Profile Depth), road geometry, tra...
It is important to minimize the energy consumption of autonomous ground vehicles (AGVs) deployed in real world missions. One of the ways that this can be accomplished is to choose the vehicle’s motion to minimize the mechanical and electrical energy usage required by the vehicle’s motion. This paper considers energy efficient motion planning for skid-steered AGVs, an important and large class o...
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