| Ink-jet print technology is important in the industrial printing applications. The work principle and the control method of the discrete binary piezoelectricities ink-jet printing system is studied in this paper.The relationship among the ink-jet print-head spraying frequency, the printing speed, and the printing resolution is analyzed. A novel position feedback control method is proposed to break through the printing speed's upper limit under the existing print-head spraying frequency. The real-time control demand in printing of the special-purpose industrial printing system is summarized by analying their characteristic.Based on the discrete binary piezoelectricities ink-jet technology, the software and hardware of control system is designed after analysing the electricity connection of XAAR's print-head The control system overcomes the contradiction between the print-head's continual demand on data and the CPU's time-sharing working pattern with a FIFO struct- ure. The position signal explanation circuit is designed as the printing position feedback control pattern. In order to realize the real-time control, the control character and the page data is combined, and they are withdrawed, explained, and executed before printing.The control system has the strong compatibility for each kind of different particular application demand. It can make the ink-jet printer to print on the different surface in a large spraying scope with a variety of ink. Compared with the existing system, the technical specification of the printing control system we researched has . the obvious superiority in certain industrial application. |
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