Abstract
Recently, demand for inkjet printers in commercial and industrial market is increasing. In the market, high speed and stable printing is needed. It is necessary to develop the ink circulation supply system which prevents ejection failure caused by in k-drying and provides the required amount of ink stably. One of the systems is a multiple-input multiple-output (MIMO) system which consists of plural pumps and plural sensors. In addition, this system is large-scale and influenced by disturbances such as temperature. For the development of the system, in this report, we construct a mathematical model by using system identification method and show the result of comparison between experimental data and model estimated data.
