CERTAIN QUESTIONS OF TELEMETRY OF PARAMETERS IN SYSTEMS WITH DISPERSED OBJECTS,
Abstract
Automatic control of irrigation systems is considered. Although telemetering systems are usually developed to meet concrete requirements of a specific installation, unified systems for related elements are also possible. Existing systems are classified according to signal type (continuous or discrete) and means of modulation (pulse-time, pulse-phase, frequency, pulse-code, frequency-code, etc.) for purposes of communications transmission and determination of input parameters for systems with dispersed elements. It is found that a discrete signal pulse-code system is best. Among the advantages of this type of system are ease of combination with digital remote-control machines and contactless RC signal systems, economy of manufacture, small dimensions, adaptability to use of semiconductors and magnetic elements eliminating moving parts and contacts, reliability and durability. Angle of code shaft revolution is chosen over voltage or current for the parameter input factor, as less subject to distortion and error. A system of this type developed by the authors (BKT-62) is described in outline, circuit by circuit, with block diagrams and extensive schematics. Industrial testing has shown high operating qualifies, and the system has been recommended as the standard for irrigation systems. (Author)
Document Details
- Document Type
- Technical Report
- Publication Date
- Jun 16, 1967
- Accession Number
- AD0663915
Entities
People
- N. I. Babanin
- V. I. Kurotchenko
Organizations
- National Air and Space Intelligence Center