نتایج جستجو برای: automatic control system
تعداد نتایج: 3340039 فیلتر نتایج به سال:
The purpose of the work is to present a solution that will significantly contribute technological development European defense sector. proposed raises issue controlling autonomous vehicles. This paper presents concept an algorithm allows for automatic take-off unmanned aircraft. Arguments are presented which justify need developing and applying such system. socioeconomic environmental aspects p...
a significant problem in multicarrier communication systems is the necessity to reduce the value of papr (peak-to-average power ratio) of transmitting signal. in this thesis we study the effect of the system parameters such as coding and modulation types on papr and ultimate ber in a mc-cdma system. in this study we consider fading channel as well as the nonlinearity of transmitter’s amplifier ...
a phase-locked loop (pll) based frequency synthesizer is an important circuit that is used in many applications, especially in communication systems such as ethernet receivers, disk drive read/write channels, digital mobile receivers, high-speed memory interfaces, system clock recovery and wireless communication system. other than requiring good signal purity such as low phase noise and low spu...
چکیده ندارد.
“Naše more” 61(1-2)/2014. Supplement, pp. 9-12
Performance of manned and automated spacecraft and vehicles greatly relies on the control system operation quality. The account hereunder describes the history and evolution of control systems, principles of their development, and the latest concepts. Copyright © 2004 IFAC
Productivity Control loops are a vital part of the process industry and are especially important when it comes to quality, economy and safety. In fact, a significant portion of incorrectly tuned automatic control loops can actually decrease production performance rather than improve it. The availability and effectiveness of a control system is essential for operating the process safely and at m...
In this research, an automatic control system is designed for landing of a small helicopter on a 4 DOF moving platform. The platform has three translational and one directional degree of freedom. The controller design approach is based on development of helicopter nonlinear dynamic model into the SDC (State Dependent Coefficient) form and real time solving of state dependent Riccati equation (S...
The control system of the traditional automatic spreader with complex structure and inconvenient servicing is designed based on MCU, and the new control system is designed based on the embedded system. Based on the analysis of the work process and work principle for the automatic spreader, we put forward the new scheme to improve the design of the control system for traditional spreader and des...
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