Error Navigation Software F-16
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#1 16 April 2012, 05:44 PM snopes Join Date: 18 February 2000 Location: California Posts: 109,585 F-16 divide by zero error Comment: http://www.rinkworks.com/stupid/cs_world.shtml This story was
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told by people from Motorola and is supposedly included in every microcontroller training course f 16 top speed Motorola gives. Test flights of F-16's were being conducted in Israel. The F-16's were doing low height rounds. On approach f-15 to the Dead Sea, the whole navigation system suddenly reset itself. The daring pilot landed the bird. HQ called up Motorola and ordered a team on the spot ASAP. The ground tests went
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perfectly, but every time the bird went airborn, it rebooted. The pilots were getting restless. Flying on the border of hostile territory without navcom, with the Arabs pointing their earth-to-air missiles at anything that moves, wasn't that pleasant. Neither was debugging the whole navcom in-flight. Then someone figured it out. The height of the Dead Sea relative to world sea level is -400 meters. As soon as the
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F-16 reached sea level, the navcom did a divide by zero, crashed, and rebooted. snopes View Public Profile Visit snopes's homepage! Find all posts by snopes #2 16 April 2012, 05:54 PM Richard W Join Date: 19 February 2000 Location: High Wycombe, UK Posts: 24,463 That doesn't sound very likely. The software for military applications is meant to be really highly specced and proven using specialised languages and tools before you even start to write the code itself, and divide-by-zero errors are one of the most basic things to check for in critical area code. I assume altitude gauges (if based on sea level, and hence air pressure, rather than height above the ground) aren't 100% accurate all the time, so you'd get system crashes even when taking off or landing near sea level if the air pressure changed - you wouldn't need to fly to the Dead Sea to find out what happened. And Death Valley is also below sea level, and close to areas where lots of US military test flying is done. Somebody would have noticed long before this. Are altitude gauges like that even based on sea level / air pressure any mor
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preference below. Закрыть Да, сохранить Отменить Закрыть Это видео f-16 viper недоступно. Очередь просмотраОчередьОчередь просмотраОчередь Удалить всеОтключить Загрузка... Очередь просмотра Очередь __count__/__total__ U.S. F-16 Weapons http://message.snopes.com/showthread.php?t=79859 Maintenance No Room for Error Militaryhack force ПодписатьсяПодписка оформленаОтменить подписку Загрузка... Загрузка... Обработка... Добавить в Хотите сохраните это видео? Войдите в аккаунт и добавьте его в плейлист. Войти Поделиться Ещё https://www.youtube.com/watch?v=UjzhCO5py1k Пожаловаться Пожаловаться на видео? Выполните вход, чтобы сообщить о неприемлемом контенте. Войти Статистика 200 просмотров 1 Понравилось? Войдите в аккаунт, чтобы поставить отметку. Войти 2 0 Не понравилось? Войдите в аккаунт, чтобы поставить отметку. Войти 1 Загрузка... Загрузка... Загрузка... Оценка становится доступна после аренды видео- В данный момент эта функция недоступна. Повторите попытку позже. Опубликовано: 27 июл. 2016 г.U.S. F-16 Weapons Maintenance No Room for Error Enjoy & Subscribe http://bit.ly/1XLvZAhDon't Forget to Like & Comment BelowWeapons maintenance during Kunsan's Exercise Beverly Pack 16-4. General Dynamics F-16
article by introducing more precise citations. (June 2009) (Learn how and when to remove this template message) An inertial navigation system (INS) is a navigation aid that uses a computer, motion sensors https://en.wikipedia.org/wiki/Inertial_navigation_system (accelerometers) and rotation sensors (gyroscopes) to continuously calculate via dead reckoning the position, orientation, and velocity (direction and speed of movement) of a moving object without the need for external references.[1] It is https://books.google.com/books?id=YIAxBwAAQBAJ&pg=PT291&lpg=PT291&dq=error+navigation+software+f-16&source=bl&ots=YQ5CQoX7EI&sig=MnP6-8XBEHaHVdn1vCHBz0Q5fcU&hl=en&sa=X&ved=0ahUKEwimzOLRvs_PAhUi4oMKHZmqBn0Q6AEIVTAI used on vehicles such as ships, aircraft, submarines, guided missiles, and spacecraft. Other terms used to refer to inertial navigation systems or closely related devices include inertial guidance system, inertial instrument, inertial measurement error navigation units (IMU) and many other variations. Older INS systems generally used an inertial platform as their mounting point to the vehicle, and the terms are sometimes considered synonymous. Contents 1 Overview 2 Error 3 History 4 Guidance in human spaceflight 5 Aircraft inertial guidance 6 Inertial navigation systems in detail 7 Basic schemes 7.1 Gimballed gyrostabilized platforms 7.2 Fluid-suspended gyrostabilized platforms 7.3 Strapdown systems 7.4 Motion-based alignment error navigation software 7.5 Vibrating gyros 7.6 Hemispherical resonator gyros (wine glass or mushroom gyros) 7.7 Quartz rate sensors 7.8 MHD sensor 7.9 MEMS gyroscope 7.10 Ring Laser Gyros (RLG) 7.11 Fiber optic gyros (FOG) 7.12 Pendular accelerometers 7.13 TIMU (Timing & Inertial Measurement Unit) sensors 8 Method 9 See also 10 References 11 External links Overview[edit] Inertial navigation is a self-contained navigation technique in which measurements provided by accelerometers and gyroscopes are used to track the position and orientation of an object relative to a known starting point, orientation and velocity. Inertial measurement units (IMUs) typically contain three orthogonal rate-gyroscopes and three orthogonal accelerometers, measuring angular velocity and linear acceleration respectively. By processing signals from these devices it is possible to track the position and orientation of a device. Inertial navigation is used in a wide range of applications including the navigation of aircraft, tactical and strategic missiles, spacecraft, submarines and ships. Recent advances in the construction of microelectromechanical systems (MEMS) have made it possible to manufacture small and light inertial navigation systems. These advances have widened the range of possible applications to include areas such as human and animal motion capture. An inertial navigation system includes at least
- An updated guide to GNSS, and INS, and solutions to real-world GNSS/INS problems with Kalman filtering Written by recognized authorities in the field, this third edition of a landmark work provides engineers, computer scientists, and others with a working familiarity of the theory and contemporary applications...https://books.google.ru/books/about/Global_Navigation_Satellite_Systems_Iner.html?hl=ru&id=YIAxBwAAQBAJ&utm_source=gb-gplus-shareGlobal Navigation Satellite Systems, Inertial Navigation, and IntegrationМоя библиотекаСправкаРасширенный поиск книгКупить эл. книгу: 9 063,49 ₽Получить печатную версию этой книгиWiley.comBoleroOzon.ruBooks.ruНайти в библиотекеВсе продавцы»Global Navigation Satellite Systems, Inertial Navigation, and IntegrationMohinder S. Grewal, Angus P. Andrews, Chris G. BartoneJohn Wiley & Sons, 11 мар. 2015 г. - Всего страниц: 608 0 Отзывыhttps://books.google.ru/books/about/Global_Navigation_Satellite_Systems_Iner.html?hl=ru&id=YIAxBwAAQBAJAn updated guide to GNSS, and INS, and solutions to real-world GNSS/INS problems with Kalman filtering Written by recognized authorities in the field, this third edition of a landmark work provides engineers, computer scientists, and others with a working familiarity of the theory and contemporary applications of Global Navigation Satellite Systems (GNSS), Inertial Navigational Systems, and Kalman filters. Throughout, the focus is on solving real-world problems, with an emphasis on the effective use of state-of-the-art integration techniques for those systems, especially the application of Kalman filtering. To that end, the authors explore the various subtleties, common failures, and inherent limitations of the theory as it applies to real-world situations, and provide numerous detailed application examples and practice problems, including GNSS-aided INS (tightly and loosely coupled), modeling of gyros and accelerometers, and SBAS and GBAS. Drawing upon their many years of experience with GNSS, INS, and the Kalman filter, the authors present numerous design and implementation techniques not found in other professional references. The Third Edition includes: Updates on the upgrades in existing GNSS and other systems currently under development Expanded coverage of basic pri