Determining an error in operation of an additive manufacturing device

A system method for determining an error in building a three-dimensional object by an additive manufacturing device. The method comprises receiving a vibration signal, the vibration signal representing vibration of a propagation medium caused by the additive manufacturing device building the three-d...

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Bibliographische Detailangaben
Hauptverfasser:	Karlov, David, Bruwer, Christian
Format:	Patent
Sprache:	eng
Schlagworte:	ADDITIVE MANUFACTURING TECHNOLOGY ADDITIVE MANUFACTURING, i.e. MANUFACTURING OFTHREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVEAGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING,STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING CONTROL OR REGULATING SYSTEMS IN GENERAL CONTROLLING FUNCTIONAL ELEMENTS OF SUCH SYSTEMS MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS ORELEMENTS PERFORMING OPERATIONS PHYSICS REGULATING SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	A system method for determining an error in building a three-dimensional object by an additive manufacturing device. The method comprises receiving a vibration signal, the vibration signal representing vibration of a propagation medium caused by the additive manufacturing device building the three-dimensional object by depositing layers of a structural material under control of a sequence of synthesizing instructions and mapping a portion of the received vibration signal to at least one instruction from the sequence of synthesizing instructions to identify a portion of the received signal corresponding to deposition of the structural material, the mapping based on one or more features associated with the synthesizing instructions. The method also comprises analysing a spectral representation of the identified portion of the received signal based on at least one predetermined criterion to determine the error.