The on-line heat metering device uses MSP430F149 controller chip as collection of temperature signal and flux dynamic amending,transmits collecting heating information by data transfer,at last dispose and control based on ARM9 processor\'s embedded system.

Reconstruction has been made on an eccentric plier which is the only such machine of Russian made in the 1950s still remaining in China by computer control of which the model for speed tracker algorithm and dynamic correction is presented in the paper.

the aim-ing error in practical launching missiles, and thinking over the dynamic correction of thetarget s maneuvering movement in the course of guidance, the important conclusion aboutguiding the correct designing and using proportional guid.

The main causes of the dynamic error occurred in the weighing process are analysed,and an improved method based on dynamic correction and second-order prediction is proposed to reduce the influence on the data of preact.

Velocity and flow rate correction of multiple equal plumes and influence on natural ventilation in high-large spaces;