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Injection molding is a common method for producing various resin products. The quality of the product significantly depends on the injection force. The accurate detection of the force is therefore very important to achieving in stable high-quality molding. The force control system of a typical injection molding machine obtains information about the force from the environment of the machine via a force...
The force control system of a typical injection molding machine obtains force information from the machine's environment via a force sensor. However, because of Force sensors often have disadvantages such as signal noise, high cost, and a narrow bandwidth, a reaction force observer was developed for electric injection molding machines. This method has a steady-state error owing to the influence of...
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