Journal
Scientific and Technical Journal of Information Technologies, Mechanics and Optics
UDK
Issue:3 (109)
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PARAMETER INTERVALITY OF REMOTE CONTROL SYSTEMS GENERATED WITH ERROR DETECTION MODE IN COMMUNICATION CHANNEL
Annotation
Subject of Research.The paper deals with the problems of digital remote control of continuous technical object, followed by the possibility of system intervality of this plant discrete model representation. The specified system intervality is generated by a channel area, operating in the error detection mode. System intervality consists of such system parameter intervality as discreteness interval. The exchange of information between the control plant and a digital remote control occurs with this discreteness interval. It is shown that the causal factor of system intervality is a retransmission procedure of the code parcels in the case of their distortion detection. Method. The quantitative assessment of relative intervality of such system parameter as discreteness interval is a virtual translation of used noise-immune codes from error detection mode into error correction mode; multiplicity of corrected errors is equal to the multiplicity of detectable ones. The method is based on the generic C. Shannon's position about the dependence of information transmission speed on the characteristics of the noise environment in the communication channel for specified information reliability, characterized by an acceptable probability of false acceptance. Main Results. We have shown that the need is eliminated to enter quantitative control hardware of repetitions of transmissions of code packages into the system of digital remote control in order to assess intervality of such system parameter as discreteness interval. We have obtained the solution of this problem analytically. Practical Relevance. The proposed method for quantitative assessment of relative intervality of such system parameter as discreteness interval can be applied to all interfaces that use CRC-technology of digital information noise-protection.
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