Precision clock synchronization method over network redundancy system;

In this paper, a basic design problem of DCOM component program in a network redundancy environment is presented.

In conjunction with the conventional configuration principles of the protection device,the appropriate network redundancy method is proposed,and then the network structure map of the actual typical bay is given and the simple and practical method of VLAN(virtual local area network) is proposed.

this paper describes the application of a newly redundant PLC system in power plants through integrated water pump controller system,and briefly introduces the principle of FINS commands based on Ethernet system and the method of building redundant network.

Reliability of control system communication based on redundant network is analyzed.

A fault tolerant and load balance technology based on virtual NIC for redundancy network;

It is an important way to improve the reliability of electric control system by developing redundant technology.

This paper discusses functions,operation characteristics and control logic of the control system of an elevator type parking equipment and establishes reliability calculation model for the control system Since some element s MTBFs cannot meet design requirements,redundant technology is applied to improve the system reliability.

The reliability of mechanical equipment can be obviously raised when redundant technology is applied to the reliability design.

The hardware redundancy in the device can guarantee high reliability.

It also further developes the traditional redundancy technology and finally sets up the general reliability model under the different failure modes.