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Flight control computer of CPU board card pluggable replacement

A flight control computer and CPU board technology, applied in the field of aerospace flight control, can solve the problems of high development cost, inconvenient use, poor reliability, etc., and achieve the effects of reducing equipment cost, speeding up startup speed, and improving reliability.

Inactive Publication Date: 2017-02-22
CHINA ACAD OF LAUNCH VEHICLE TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

This patented technical effect described in this patents relating to replacing expensive components used in aircraft navigation systems without compromising their functionality or functionality. By implementing these techniques, the aviation industry has been able to reduce its overall economic burden while still providing accurate data about how well piloted airplanes operate under various conditions such as altitude, temperature, pressure, etc., resulting in better understanding and monitoring capabilities over longer periods of times. Additionally, there have also provided methods for updating firmware versions faster than existing processes due to reduced testing requirements. Overall, this new approach simplifies maintenance operations and increases operational security and productivity.

Problems solved by technology

This patents describes how advancements in technology have resulted from improving spacecraft navigation systems' ability to handle more complicated tasks while reducing their computational load. However, current methods involve upgrading expensive equipment and testing them separately on separate platforms, making up time before launches. Therefore there is a technical problem where this approach cannot be easily applied across all types of vehicles without significant modifications being made during production.

Method used

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  • Flight control computer of CPU board card pluggable replacement
  • Flight control computer of CPU board card pluggable replacement
  • Flight control computer of CPU board card pluggable replacement

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Embodiment

[0045] The external input +27VDC power of the chassis is output to the power board 4 through the connector, and the power board 4 first performs reverse protection and EMI filtering on the external input +27VDC power, and the reverse protection is realized through two parallel diodes. After the isolation conversion process on the power board, +5VDC, ±15VDC, +27VDC high-quality power supply is obtained, which is led to the general backplane through the common backplane connector, of which +5VDC is used for the 16-bit simplified PC104 bus, and ±15VDC is used for the board card circuit use. In this way, each of the other boards directly obtains the required power from the common backplane according to its functional requirements. Power board 4 not only provides high-quality power for other boards, but also leads out +27VDC power and ±15VDC power for use by other peripheral devices.

[0046] The general bus uses a 16-bit simplified PC104 parallel bus, and the 16-bit PC104 bus onl...

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Abstract

A flight control computer of CPU board card pluggable replacement belongs to the technical field of aerospace flight control. For engineering requirements for flight control computer processing capability grading, board card-type replacement of CPUs of different processing performances on the same cabinet, rapid starting and a power fail safeguard function are achieved by means of plugboard-type hardware structures, modularization packaging and lead-free design, and software debugging of simulative testing under CPU board cards of different processing capabilities and equipment maintenance are carried out in the same environment without changing hardware configuration and software environments. Compared with the conventional flight control computer scheme, the flight control computer provided by the invention effectively reduces the cost of hardware equipment research and development and the cost of system performance upgrading under a precondition that real-time simulative testing of guidance control technologies is ensured, solves problems of flight control computer modularization updating, serial grading and low cost performance development, and greatly improves the efficiency of semi-physical simulative verification.

Description

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Claims

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Application Information

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Owner CHINA ACAD OF LAUNCH VEHICLE TECH
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