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- W1975492064 abstract "For over 50 years, the inertial guidance industry has developed successive generations of increasingly accurate guidance navigation and control (GN&C) systems for Intercontinental Ballistic Missiles (ICBM) and Submarine Launched Ballistic Missiles (SLBM). The comparatively short time of guided flight and high acceleration levels characteristic of the ballistic missile application place a premium on accelerometer performance to achieve desired weapon system accuracy. To date, the accelerometer design of choice for strategic missiles has been the Pendulous Integrating Gyroscopic Accelerometer (PICA) style instrument, an accelerometer whose origins trace back to the German V-2 rocket, and has been refined through several generations of development to achieve unsurpassed performance. This article will trace the evolution of the PIGA, starting with its initial development for the V-2, through its early adaptation by the U.S. GN&C industry for the pioneering Titan and Polaris ICBM/SLBM systems, to its current state-of-the-art incarnation: the 10-PIGA, which is employed in the Trident II D5 missile. Some of the specialized technologies of PIGA accelerometers, such as gas bearing wheels, ultra-stable ball bearings, precision electromagnetic components, and designer chemical flotation fluids will be discussed. Finally, this article will conclude with a brief discussion of new trends in inertial instrument design, and offer some unexpected similarities and contrasts between the new generation of solid-state instruments and the PIGA." @default.
- W1975492064 created "2016-06-24" @default.
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- W1975492064 creator A5088078135 @default.
- W1975492064 date "2001-08-06" @default.
- W1975492064 modified "2023-10-01" @default.
- W1975492064 title "The pendulous integrating gyroscope accelerometer (PIGA) from the V-2 to trident D5, the strategic instrument of choice" @default.
- W1975492064 cites W2033116910 @default.
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- W1975492064 doi "https://doi.org/10.2514/6.2001-4288" @default.
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