Visual Nonlinear Feedback Control of Liquid Level in Mold Sprue Cup by Cascade System with Flow Rate Control for Tilting-Ladle-Type Automatic Pouring System
نویسندگان
چکیده
منابع مشابه
207/1 Nonlinear Modeling with Hydrodynamics and Flow Control Using Inverse Pouring Dynamics of Tilting-Ladle-Type Automatic Pouring Process
This paper is concerned with the pouring control of tilting-ladle-type automatic pouring systems in casting industries. A new approach to the modeling and control system of the pouring process is proposed. In the approach, the flow rate model is described by a nonlinear system with hydrodynamics. The flow rate control system is built by a feedfoward control using the inverse dynamics of the flo...
متن کاملModeling and Identification of Pouring Flow Process With Tilting-Type Ladle for an Innovative Press Casting Method Using Greensand Mold
Recently, a new method of a press casting using greensand mold was proposed by our group as a means of ferrous casting. This method has advantages in terms of energy savings and cost because a sprue cup and runner channel are not needed. Still, it is important to pour accurately and quickly in this method. Therefore, a feedforward outflow control is presented by using a mathematical model and i...
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This paper is concerned with advanced control of self-transfer-type automatic pouring robot, with focus on the pouring control to cylindrical ladle and sloshing suppression (liquid vibration) control to the liquid in a ladle. In the pouring control, the flow rate model of cylindrical ladle is represented by LPV(Linear Parameter Varying) model, and FeedForward(FF) controller is then designed by ...
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We describe here a method for estimating the pouring flow rate for tilting-ladle-type automatic pouring systems used in casting industries. To precisely pour molten metal into the mold, controlling the flow rate of liquid flowing out of the ladle is mandatory. However, it is difficult to directly measure the pouring flow rate by using a conventional flow meter, because the flow meter is damaged...
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ژورنال
عنوان ژورنال: Materials Science Forum
سال: 2018
ISSN: 1662-9752
DOI: 10.4028/www.scientific.net/msf.925.483