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Guidance, navigation, and control systems consist of 3 essential parts: navigation which tracks current location, guidance which leverages navigation data and target information to direct flight control "where to go", and control which accepts guidance commands to affect change in aerodynamic and/or engine controls.
Flight dynamics is the science of air vehicle orientation and control in three dimensions. The three critical flight dynamics parameters are the angles of rotation in three dimensions about the vehicle's center of gravity (cg), known as pitch , roll and yaw .
A spacecraft's attitude must typically be stabilized and controlled for a variety of reasons. It is often needed so that the spacecraft high-gain antenna may be accurately pointed to Earth for communications, so that onboard experiments may accomplish precise pointing for accurate collection and subsequent interpretation of data, so that the heating and cooling effects of sunlight and shadow ...
The term "dynamics" came in a little later with Gottfried Leibniz, and over a century after Newton, Pierre-Simon Laplace introduced the term celestial mechanics. Prior to Kepler , there was little connection between exact, quantitative prediction of planetary positions, using geometrical or numerical techniques, and contemporary discussions of ...
After the 2024 election, women’s reproductive rights are front and center of the news cycle, once again.. According to reports, there has already been a surge in demand for mifepristone, a.k.a ...
The Delaware judge considering whether a vote by Tesla shareholders reinstated Elon Musk's $56 billion pay package which the court had voided will try to issue a ruling this year, according to the ...
Pistachios. Pistachios have 6 grams of protein per ounce, and hold the distinction of being the only nut that’s a complete protein.Complete proteins contain all nine essential amino acids the ...
where d is the track gauge, r the wheel radius when running straight and k is the tread taper (which is the slope of tread in the horizontal direction perpendicular to the track). The path of the wheel set relative to the straight track is defined by a function y(x), where x is the progress along the track.