Development of an Ultrahigh-Speed Serial Printer Using the Modal Control Theory

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This paper describes two approaches for a development of an ultrahigh-speed serial printer. One is the development of ultrafast head carriage transport, which is controlled by a combination of feedfoward and feedback control elements. The feedforward control element is realized by a method which provides the optimal reference function with linear programming. The feedback control element is realized simultaneously by the optimal regulator theory and moda1 control theory. Printing head transport greater than 1.6 m/s velocity has been achieved by applying this control system to the experimental printer system. The second approach is the development of a generator which manipulates the printing wire drive control signal. Using this printing signal generator, precise printing (less than ±50μm dot positioning error) was accomplished while the carriage movement velocity was varied. These approaches have mode it possible for high-speed serial printers (more than 600 pica characters per second) to realize extreme improvement in printing throughput.
一般社団法人日本機械学会の論文
1990-03-15