نتایج جستجو برای: environmental control system
تعداد نتایج: 3534270 فیلتر نتایج به سال:
After testing many different designs, we built a rough orientation control system using a 3-axis accelerometer, able to sense and direct mirror orientation with close to one degree of precision (20 milliradians) for the entire motion range of the mirror. This level of precision is required for orientation tasks such as stowing the mirror in high winds and bringing the light spot close enough to...
abstract type-ii fuzzy logic has shown its superiority over traditional fuzzy logic when dealing with uncertainty. type-ii fuzzy logic controllers are however newer and more promising approaches that have been recently applied to various fields due to their significant contribution especially when the noise (as an important instance of uncertainty) emerges. during the design of type- i fuz...
In this paper, the methodology of aircraft air distribution system has been analyzed theoretically and experimentally. To achieve that, ducting pressure loss and air flow throw gaspers calculations has been done for cabin ducts in according to exact location of individual air distribution system in the cabin. The length of gasper air flow was compared with the distance between gasper outlet and...
Structural control systems are used to limit structural responses during large external loads such as winds and earthquakes. The semi-active control approach has grown in popularity due to inexpensive control devices that consume little power. Structural control systems of the future will likely be large-scale systems defined by high actuation densities. Decentralized control approaches can be ...
Microgrids have become a hot topic driven by the dual pressures of environmental protection concerns and the energy crisis. In this paper, a challenge for the distributed control of a modern electric grid incorporating clusters of residential microgrids is elaborated and a hierarchical multi-agent system (MAS) is proposed as a solution. The issues of how to realize the hierarchical MAS and how ...
many mobile and off-grid devices include electronics and other electrical consumers like servo drives, which need a quite low supply power. since the price for photovoltaic modules drops continuously, photovoltaic power supply is interesting in more and more applications. in solar powered systems, a battery is needed to store energy for the night and cloudy periods. the power electronics of suc...
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