Rectifying device of excitation has adopted the JD1 synchronous motor director of personal computer to solve the pulseshake phenomenon in the course of synchronous motor starting and the reliability problems such as motor tripping caused by the unsteadiness of excitation current in the process of synchronous motor operating.

Study on microcomputer controlled plasma spray power source with high power SCR;

Development of microcomputer controlled inverter for pulsed MIG/MAG welding;

Development on microcomputer control system for 30 000WS condenser discharge welder;

Application of micro-computer control technology on 3-position disconnector of C-GIS;

Research on micro-computer control technology of arc suppression and overvoltage protection device

Detailed introductions were made to the application in frequency converter for unit series multi-electrical level, power bus, micro-computer control and artificial intelligence, total digitalized optical fiber control and power unit standard modulization, insulated grid bipolar transistor (IGBT) drive circuit intelligentize etc.

Adopt computer control improve measuring instrument for flank swing of roll face;

Development of the computer control system mixing automatically materials in proportion;

Design and practice of the computer controlled ice storage system in a financial building;

Train microprocessor control and network system on Guangzhou Metro Line 2 vehicles;

Converting control for microprocessor control system of phase control AC DC electric locomotives;

CQ-881 microprocessor controlled intergrative test system for. parameters of capacitor;

A design scheme on the PC controlling and database managing about the laser-mark special for bearings is introduced in this paper, and the detailed method of how to draw PLT vector graph in linear interpolation is given also.

Based on the study of the application of the carrier wave controlling technology on the welding machine, a new high-efficient energy-saving contravariant CO2 welding machine with PC and carrier wave control is studied and developed, combined with PC controlling technology, energy-saving technology of IGBT contravariant welding machine.

The self-diagnosis and artificial-diagnosis of circuit faults of PC control ignition system for 2JZ-CE engine on CROWN is carried out, using its self-diagnostic function of engine ECU.