dor_id: 4110101

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351.#.#.b: Journal of Applied Research and Technology

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856.4.0.u: https://jart.icat.unam.mx/index.php/jart/article/view/632/621

100.1.#.a: Niño, Francisco Sánchez; Jasso, Victor Hugo Compéan; Salazar, Francisco Javier De Anda; Montalvo, Carlos Soubervielle; Muñoz, Juan Carlos

524.#.#.a: Niño, Francisco Sánchez, et al. (2017). Vision-aided system for obtaining a required weight by efficient choice of irregular fragments. Journal of Applied Research and Technology; Vol. 15 Núm. 2. Recuperado de https://repositorio.unam.mx/contenidos/4110101

245.1.0.a: Vision-aided system for obtaining a required weight by efficient choice of irregular fragments

502.#.#.c: Universidad Nacional Autónoma de México

561.1.#.a: Instituto de Ciencias Aplicadas y Tecnología, UNAM

264.#.0.c: 2017

264.#.1.c: 2019-05-07

506.1.#.a: La titularidad de los derechos patrimoniales de esta obra pertenece a las instituciones editoras. Su uso se rige por una licencia Creative Commons BY-NC-SA 4.0 Internacional, https://creativecommons.org/licenses/by-nc-sa/4.0/legalcode.es, para un uso diferente consultar al responsable jurídico del repositorio por medio del correo electrónico gabriel.ascanio@icat.unam.mx

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001.#.#.#: 074.oai:ojs2.localhost:article/632

041.#.7.h: eng

520.3.#.a: There are some situations when it is necessary to weigh, with high accuracy and high precision, a required amount of material using heterogeneousand irregular pieces. As an example, in the laboratory, when preparing a liquid phase epitaxial growth, each of the materials that constitute the liquidphase must have an exact weight, within micrograms, given by the phase diagrams. The sources of the materials usually are small polycrystallinepieces of irregular shapes and random weights. Normally the weighing is done by interchanging the small irregular pieces of different sizesaccording to the criteria of the operator until the given weight is obtained. This is a long and tedious process and since each liquid solution requiresseveral components, and a different liquid phase is needed for each layer, very often weighing it takes several hours. This operative process isprone to errors. To ease this kind of processes, a vision-assisted system has been developed. It consists of a webcam, an analytical balance and aPC. To use this assembly the operator only needs to put sequentially the pieces of the material in the analytical balance. When the required weightcan be obtained by a combination of some of the pieces added to the analytic balance, the PC notifies the operator and signals the selected piecesin the screen. With the help of this system, the weighing accuracy has been improved and the time required to accomplish the process has beendramatically reduced.

773.1.#.t: Journal of Applied Research and Technology; Vol. 15 Núm. 2

773.1.#.o: https://jart.icat.unam.mx/index.php/jart

022.#.#.a: ISSN electrónico: 2448-6736; ISSN: 1665-6423

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264.#.1.b: Instituto de Ciencias Aplicadas y Tecnología, UNAM

doi: https://doi.org/10.22201/icat.16656423.0.15.2.632

harvesting_date: 2023-11-08 13:10:00.0

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file_creation_date: 2017-04-11 11:40:21.0

file_modification_date: 2017-04-11 07:25:04.0

file_creator: Francisco Sánchez Niño

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last_modified: 2024-03-19 14:00:00

license_url: https://creativecommons.org/licenses/by-nc-sa/4.0/legalcode.es

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Artículo

Vision-aided system for obtaining a required weight by efficient choice of irregular fragments

Niño, Francisco Sánchez; Jasso, Victor Hugo Compéan; Salazar, Francisco Javier De Anda; Montalvo, Carlos Soubervielle; Muñoz, Juan Carlos

Instituto de Ciencias Aplicadas y Tecnología, UNAM, publicado en Journal of Applied Research and Technology, y cosechado de Revistas UNAM

Licencia de uso

Procedencia del contenido

Cita

Niño, Francisco Sánchez, et al. (2017). Vision-aided system for obtaining a required weight by efficient choice of irregular fragments. Journal of Applied Research and Technology; Vol. 15 Núm. 2. Recuperado de https://repositorio.unam.mx/contenidos/4110101

Descripción del recurso

Autor(es)
Niño, Francisco Sánchez; Jasso, Victor Hugo Compéan; Salazar, Francisco Javier De Anda; Montalvo, Carlos Soubervielle; Muñoz, Juan Carlos
Tipo
Artículo de Investigación
Área del conocimiento
Ingenierías
Título
Vision-aided system for obtaining a required weight by efficient choice of irregular fragments
Fecha
2019-05-07
Resumen
There are some situations when it is necessary to weigh, with high accuracy and high precision, a required amount of material using heterogeneousand irregular pieces. As an example, in the laboratory, when preparing a liquid phase epitaxial growth, each of the materials that constitute the liquidphase must have an exact weight, within micrograms, given by the phase diagrams. The sources of the materials usually are small polycrystallinepieces of irregular shapes and random weights. Normally the weighing is done by interchanging the small irregular pieces of different sizesaccording to the criteria of the operator until the given weight is obtained. This is a long and tedious process and since each liquid solution requiresseveral components, and a different liquid phase is needed for each layer, very often weighing it takes several hours. This operative process isprone to errors. To ease this kind of processes, a vision-assisted system has been developed. It consists of a webcam, an analytical balance and aPC. To use this assembly the operator only needs to put sequentially the pieces of the material in the analytical balance. When the required weightcan be obtained by a combination of some of the pieces added to the analytic balance, the PC notifies the operator and signals the selected piecesin the screen. With the help of this system, the weighing accuracy has been improved and the time required to accomplish the process has beendramatically reduced.
Idioma
eng
ISSN
ISSN electrónico: 2448-6736; ISSN: 1665-6423

Enlaces