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- D37D abstract "The D37D Minuteman III flight computer was initially supplied with the LGM-30G missile, as part of the NS-20 navigation system. The NS-20 D37D flight computer is a miniaturized general purpose (serial transmission) digital computer. The new NS-50 missile guidance computer (MGC) is built around a 16-bit high-speed microprocessor chip set. They are both designed to solve real-time positional error problems under the adverse conditions encountered in airborne weapon systems. They accept and process data and generate steering signals with sufficient accuracy and speed to meet the requirements of the inertial guidance and flight control systems of the Minuteman ICBMs.Computer operation is controlled by an internally stored program which is loaded from a magnetic tape cartridge at the launch facility (LF). Both the D37D computer and the MGC are designed and programmed to control the Minuteman III missile throughout the powered portion of flight. After thrust termination they also control the PBV for the reentry vehicle (RV) deployment phase. In addition, they control the alignment of the inertial platform and test/monitor the guidance & control (G&C) system and other components to determine continued readiness while missiles are in alert status. The D37D computer began to be replaced by the MGC in 2000 as part of the Guidance Replacement Program (GRP), with fielding planned through 2008. The MGC incorporates the amplifier assembly functions.When a launch is commanded, a complete retesting of the G&C system is made prior to entering the flight program. During flight, the computer uses missile attitude, change of attitude rate, and velocity signal inputs to solve a series of guidance, steering, and control equations. It also generates missile steering commands and controls staging and thrust termination. Finally, the computer determines whether or not to provide pre-arm signals to the warhead. The pre-arm decision is based on flight safety checks made during powered flight.".
- D37D thumbnail MM3-guidance-ring.jpg?width=300.
- D37D wikiPageID "11804670".
- D37D wikiPageLength "4399".
- D37D wikiPageOutDegree "9".
- D37D wikiPageRevisionID "623093236".
- D37D wikiPageWikiLink Autonetics.
- D37D wikiPageWikiLink Category:Military_computers.
- D37D wikiPageWikiLink Category:Missile_guidance.
- D37D wikiPageWikiLink D-17B.
- D37D wikiPageWikiLink D-37C.
- D37D wikiPageWikiLink File:MM3-guidance-ring.jpg.
- D37D wikiPageWikiLink LGM-30_Minuteman.
- D37D wikiPageWikiLink File:Minuteman_III_D37D.jpg.
- D37D wikiPageWikiLink File:Minuteman_guidance_computer_(1).jpg.
- D37D wikiPageWikiLinkText "D37D".
- D37D subject Category:Military_computers.
- D37D subject Category:Missile_guidance.
- D37D type Class.
- D37D type Computer.
- D37D type Vehicle.
- D37D comment "The D37D Minuteman III flight computer was initially supplied with the LGM-30G missile, as part of the NS-20 navigation system. The NS-20 D37D flight computer is a miniaturized general purpose (serial transmission) digital computer. The new NS-50 missile guidance computer (MGC) is built around a 16-bit high-speed microprocessor chip set. They are both designed to solve real-time positional error problems under the adverse conditions encountered in airborne weapon systems.".
- D37D label "D37D".
- D37D sameAs Q5204073.
- D37D sameAs m.02rt3f3.
- D37D sameAs Q5204073.
- D37D wasDerivedFrom D37D?oldid=623093236.
- D37D depiction MM3-guidance-ring.jpg.
- D37D isPrimaryTopicOf D37D.