Realization of complicated network on 300 MN die forging hydrostatic press control system;

The original control system of a 300 MN die-forging hydrostatic press has inconvenience for operation,low control accuracy,slow response speed and low reliability.

Based on the analysis of lateral-directional control system of a certain plane, representative fault infecting flying security is specialized; flying security is evaluated; it is found that flying security probability can not be content with the flying safety standard.

This paper introduced the structure and working principle of a common automobile door locks, analysed the defects of this automobile door locks from the aspects of collision safety, guard against theft and technics performance, in addition, this paper also introduced an improved lock manipulation system.

Diagnosis for faults of rotary propulsion apparatus operating system in towboat and general methods to deal with it;

In this paper,the basic working course of operating system in 6300C marine diesel engine is introduced in detail;causes leading to the fault of unstarting and ways to remove it are also given.

A complete mathematical model of a vehicle control system form Electromechanical Actuator to Elevator is established after analyzing the Elevator mechanical structure of it.

In case of working more on the model we get,the performance of the vehicle control system and the whole aircraft including.

A new electric power-assisted operation system of clutch is designed.