Inertial Guidance System

Japanese: 慣性誘導方式 - かんせいゆうどうほうしき
Inertial Guidance System

...These correction functions are called guidance. The method in which the actual measurements and calculations of the correction amounts are mainly performed by ground-based radar and computers and executed through radio commands is called radio guidance, while the method in which the entire process is performed on board using on-board accelerometers, gyros, and computers is called inertial guidance. The ratio of the total mass at launch to the mass of the final stage equipment is called the growth factor, and when launching a satellite to a low altitude, the value is about 100 for solid rockets and 150 to 200 for liquid rockets.

*Some of the terminology used in reference to the "inertial guidance system" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…これらの修正機能を誘導という。この実測と修正量の計算を主として地上のレーダーとコンピューターで行い,電波指令を通じて実行させる方式を電波誘導方式,機上の加速度計やジャイロとコンピューターによりすべて機上において実行してしまうのを慣性誘導方式と呼んでいる。 なお,ロケット打上げ時の全質量の,最終段搭載機器質量に対する倍率をグロースファクターといい,低高度に人工衛星を打ち上げる場合,固体ロケットで約100,液体ロケットで150~200程度の値となる。…

※「慣性誘導方式」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

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