An experimental optical coupling device for an airborn digital redundant system.
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概要
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This paper describes a new optical coupling device for an airborne digital redundant system.For the on-board system, it is very important to increase reliability and safety, then a redundant system is applied. In the redundant system, in order to verify if each operation is correct or not, it is necessary to compare with the same time data of the other systems.We developed a new characteristic coupling device and verified its features experimentally.This system has the following characteristics.(1) it has a simple hardware architecture in order to increase reliability and safety.(2) synchronization and data exchange are separated in time, so this system utilizes the same hardware for these tasks.(3) for the increase of transfer speed, a broadcast method is used and the number of receivers is (redundancy-1), then each system can transmit and receive simultaneously.(4) an optical signal is used in order to increase transfer speed and this is effective for the electric separation among systems.At last it is discussed for a digital computer how to be able to know the transfer end without the interrupt signal.
- 公益社団法人 計測自動制御学会の論文
公益社団法人 計測自動制御学会 | 論文
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