BR0006339A - Non-linear synergistic control for pulsed mig welding equipment of constant current type - Google Patents
Non-linear synergistic control for pulsed mig welding equipment of constant current typeInfo
- Publication number
- BR0006339A BR0006339A BR0006339A BR0006339A BR0006339A BR 0006339 A BR0006339 A BR 0006339A BR 0006339 A BR0006339 A BR 0006339A BR 0006339 A BR0006339 A BR 0006339A BR 0006339 A BR0006339 A BR 0006339A
- Authority
- BR
- Brazil
- Prior art keywords
- current
- electrode
- pulse
- calculated
- welding equipment
- Prior art date
Links
Abstract
"COMANDO SINéRGICO NãO-LINEAR PARA EQUIPAMENTOS DE SOLDAGEM MIG PULSADO DO TIPO CORRENTE CONSTANTE". Um comando sinérgico representado por um algoritmo não-linear, aplicável em equipamentos de soldagem MIG pulsado do tipo corrente constante, onde os parâmetros de pulso são calculados, a partir de uma determinada entrada, consistente da corrente média desejada, I~ m~, ou da Velocidade de Alimentação, V~ alim~, desejada, e do valor estipulado pelo usuário para o comprimento de arco desejado, para uma dada combinação de diâmetro e material de eletrodo e gás de proteção. A partir desta entrada, o algoritmo busca mais informações contidas em seu banco de dados ou memória, contendo valores levantados experimentalmente para a dada combinação arame-eletrodo/gás escolhida e disponível no equipamento e inicialmente faz uma primeira estimativa da freq³ência (F) de destacamento das gotas para manter a condição de uma gota por pulso e o consumo do arame-eletrodo compatível com a corrente ou velocidade de alimentação desejadas. Conhecidos o tempo de pulso t~ p~ ( banco de dados ) e a F, calcula-se o tempo de base t~ b~. Finalmente, conhecida a corrente de pulso I~ p~ ( banco de dados ), calcula-se a corrente de base I~ b~, assumindo que a onda de corrente é perfeitamente retangular. Em seguida, o algoritmo recalcula os parâmetros de pulso de uma forma iterativa, refinando-os, de forma a se obter um diâmetro de gota o mais próximo possível do diâmetro do eletrodo, sem transgredir os limites impostos para l~ b~ e t~ b~ ( limites que ultrapassados dão instabilidade de arco ). Em seguida estes parâmetros são usados no modelo não-linear e assumindo formatos de onda retangular, trapezoidal ou exponencial, dependendo do interesse. Novas rotinas recursivas garantem a otimização do tamanho da gota. Como resultado final, têm-se os valores dos parâmetros de pulso calculados para uma dada corrente média ou velocidade de alimentação desejadas para o par arame-eletrodo/gás de proteção escolhido. Estes valores são usados para ajustar automaticamente o equipamento no qual o comando estiver inserido."NON-LINEAR SYNERGIC COMMAND FOR CONSTANT CURRENT MIG PULSED WELDING EQUIPMENT". A synergistic command represented by a non-linear algorithm, applicable in pulsed MIG welding equipment of the constant current type, where the pulse parameters are calculated, from a given input, consistent with the desired average current, I ~ m ~, or the desired Feed Speed, V ~ food ~, and the value stipulated by the user for the desired arc length, for a given combination of diameter and electrode material and shielding gas. From this entry, the algorithm searches for more information contained in its database or memory, containing values raised experimentally for the given wire-electrode / gas combination chosen and available in the equipment and initially makes a first estimate of the detachment frequency (F) of the drops to maintain the condition of a drop per pulse and the consumption of the electrode wire compatible with the desired current or feed speed. Knowing the pulse time t ~ p ~ (database) and F, the base time t ~ b ~ is calculated. Finally, with the pulse current I ~ p ~ (database) known, the base current I ~ b ~ is calculated, assuming that the current wave is perfectly rectangular. Then, the algorithm recalculates the pulse parameters in an iterative way, refining them, in order to obtain a droplet diameter as close as possible to the electrode diameter, without transgressing the limits imposed for l ~ b ~ et ~ b ~ (limits that exceeded give arc instability). These parameters are then used in the nonlinear model and assuming rectangular, trapezoidal or exponential waveforms, depending on the interest. New recursive routines guarantee the optimization of the drop size. As a final result, we have the values of the pulse parameters calculated for a given average current or feed speed desired for the chosen wire-electrode / shielding gas pair. These values are used to automatically adjust the equipment in which the command is inserted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BR0006339A BR0006339B1 (en) | 2000-11-21 | 2000-11-21 | NON-LINEAR SYNERGIC CONTROL FOR PULSED CONSTANT TYPE MIG WELDING EQUIPMENT |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BR0006339A BR0006339B1 (en) | 2000-11-21 | 2000-11-21 | NON-LINEAR SYNERGIC CONTROL FOR PULSED CONSTANT TYPE MIG WELDING EQUIPMENT |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| BR0006339A true BR0006339A (en) | 2002-06-25 |
| BR0006339B1 BR0006339B1 (en) | 2014-03-25 |
Family
ID=3945991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR0006339A BR0006339B1 (en) | 2000-11-21 | 2000-11-21 | NON-LINEAR SYNERGIC CONTROL FOR PULSED CONSTANT TYPE MIG WELDING EQUIPMENT |
Country Status (1)
| Country | Link |
|---|---|
| BR (1) | BR0006339B1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113313470A (en) * | 2021-06-10 | 2021-08-27 | 郑州科技学院 | Employment type evaluation method and system based on big data |
-
2000
- 2000-11-21 BR BR0006339A patent/BR0006339B1/en not_active IP Right Cessation
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113313470A (en) * | 2021-06-10 | 2021-08-27 | 郑州科技学院 | Employment type evaluation method and system based on big data |
| CN113313470B (en) * | 2021-06-10 | 2023-06-09 | 郑州科技学院 | Employment type assessment method and system based on big data |
Also Published As
| Publication number | Publication date |
|---|---|
| BR0006339B1 (en) | 2014-03-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4429694A (en) | Electrosurgical generator | |
| Praveen et al. | Advancements in pulse gas metal arc welding | |
| DE202014010590U1 (en) | Polarity variable pulse with constant droplet size | |
| CN104661783B (en) | The system and method that low current regulation is provided for AC arc welding processes | |
| CN105829005B (en) | The system and method that low current regulation is provided alternating current Arc Welding Process | |
| DE202014010606U1 (en) | Droplet-shaped material transfer with CO2 | |
| KR970021282A (en) | Microbial propagation prevention method and apparatus | |
| EP2164309B1 (en) | Method and device for operating a hollow cathode arc discharge | |
| CN104781032A (en) | System and method providing modulation schemes to affect heat input to a weld | |
| BR0006339A (en) | Non-linear synergistic control for pulsed mig welding equipment of constant current type | |
| SE501025C2 (en) | Oven | |
| Tala et al. | Comparison of theory-based and semi-empirical transport modelling in JET plasmas with ITBs | |
| US3025388A (en) | Electric arc apparatus | |
| JP3078245B2 (en) | Arc start assist device | |
| KR870000967A (en) | Automatic Control Method of Electrostatic Precipitator | |
| CN104736285A (en) | System and methods providing modulation schemes for achieving a weld bead appearance | |
| RU2021086C1 (en) | Method of electric fusion welding | |
| JP2000349376A (en) | Power unit for laser oscillator | |
| DE2162024A1 (en) | Device for generating plasma | |
| EP3764930B1 (en) | High-frequency generator and control unit for operating a high-frequency generator | |
| JPS55120479A (en) | Method and apparatus for treating crater in nonconsumable electrode alternating current arc welding | |
| JP2004203701A (en) | Ozonizer | |
| DE1642867C2 (en) | Process for the electrical treatment of dispersions | |
| DE724181C (en) | Device to protect against extinguishing of an arc cathode in a gas or vapor-filled arc discharge vessel | |
| JPS55103279A (en) | Direct current arc welding machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| B25A | Requested transfer of rights approved |
Owner name: UNIVERSIDADE FEDERAL DE UBERLANDIA - UFU (BR/MG) Free format text: TRANSFERIDO DE: CONSELHO NACIONAL DE DESEVOLVIMENTO CIENTIFICO E TECNOLOGICO - CNPQ |
|
| B15K | Others concerning applications: alteration of classification |
Free format text: ALTERADA A CLASSIFICACAO DE G05F 3/00 PARA INT. CL. B23K 9/09 Ipc: B23K 9/09 (2006.01) |
|
| B06A | Patent application procedure suspended [chapter 6.1 patent gazette] | ||
| B08E | Application fees: payment of additional fee required [chapter 8.5 patent gazette] |
Free format text: REFERENTE A 11A ANUIDADE, GUIA 221106596433 DE 27/07/2011 E 12A ANUIDADE, GUIA 221204898515 DE 05/09/2012. |
|
| B08G | Application fees: restoration [chapter 8.7 patent gazette] | ||
| B09A | Decision: intention to grant [chapter 9.1 patent gazette] | ||
| B16A | Patent or certificate of addition of invention granted [chapter 16.1 patent gazette] |
Free format text: PRAZO DE VALIDADE: 10 (DEZ) ANOS CONTADOS A PARTIR DE 25/03/2014, OBSERVADAS AS CONDICOES LEGAIS. |
|
| B21F | Lapse acc. art. 78, item iv - on non-payment of the annual fees in time |
Free format text: REFERENTE A 14A ANUIDADE. PAGAR RESTAURACAO. |
|
| B21H | Decision of lapse of a patent or of a certificate of addition of invention cancelled [chapter 21.8 patent gazette] |