Automatic Switching System for Streetlights

Automatic Mode Switching for A Multi-functional Variable Refrigerant Flow System

The Multi-functional Variable Refrigerant Flow (MFVRF) system is designed to realize simultaneous heating and cooling for temperature regulation of individual zones by allowing the heat exchangers of both indoor and outdoor units to operate as an evaporator or condenser. It is thus desirable to use measurements readily available on the MFVRF system to determine switching between different modes...

Availability and Performance Evaluation for Automatic Protection Switching in TDMA Wireless System

In this paper, we compare the availability and performance of a wireless TDMA system with and without automatic protection switching. Stochastic reward net models are constructed and solved by SPNP (Stochastic Petri Net Package). Hierarchical decomposition is adopted to simplify the analysis. The optimization of the number of guard channels reserved for the handoff calls is studied. Numerical r...

A guarded switching system for automatic selection of high value resistors under calibration

At IEN, a guarded switching system for automatic selection of high value resistors under calibration was developed and metrologically characterized. By means of this system it is possible to select and connect to the measurement system [1, 2] high value resistors in three terminals configuration. As a matter of fact, its guard system allows to reduce the effects due to all the dispersion curren...

MSAS: An M-mental health care System for Automatic Stress detection

· Technical note Design of a PLC system for automatic I-123 production

 ABSTRACTBackground: Design of the production system for Iodine-123 has begun recently in nuclear research centre of agricultural and medicine (NRCAM). The production system consists of pipes for xenon gas transfer, equipped with 10 valves, 3 heaters, fluid nitrogen and 2 vacuum pumps. In the first prototype the function of elements was being done manually by an operator. Because dispensing rad...