نتایج جستجو برای: time optimal trajectories
تعداد نتایج: 2195711 فیلتر نتایج به سال:
The aim of this paper is to investigate the performance a robotic spacecraft, whose primary propulsion system an electric solar wind sail (E-sail), in mission heliostationary point (HP)—that is, static equilibrium heliocentric and inertial reference frame. A spacecraft placed at given HP with zero velocity maintains that position provided on-board thrust able counterbalance Sun’s gravitational ...
Infiltration is the most important characteristic in the design and management of any surface irrigation system. Since the hydraulic of flow in meandering furrows is different from the standard furrows, the accuracy of infiltration function parameter estimation methods should be examined for the optimal design and management of meandering furrow irrigation. The main objective of this study was ...
Innovative solar system exploration missions require ever larger velocity increments and thus ever more demanding propulsion capabilities. Using for those high-energy missions the stateof-the-art technique of chemical propulsion in combination with (eventually multiple) gravity assist maneuvers results in long, complicated, and inflexible mission profiles. Low-thrust propulsions systems can sig...
When a robot is walking in a complex environment, it needs to adjust its step length and walking speed for each step (very probably). This implies that the initial position and/or velocity, the designed terminal position and/or velocity, and the walking time period for each step are very often different. From this view point, the optimal gait generation problem for a biped robot is equivalent t...
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