Дисертації з теми "Robust layout"
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Oheba, Jamal Bashir. "A new framework considering uncertainty for facility layout problem." Thesis, University of Manchester, 2012. https://www.research.manchester.ac.uk/portal/en/theses/a-new-framework-considering-uncertainty-for-facility-layout-problem(7e0b665d-ed10-4355-a200-70d52d93eefe).html.
Повний текст джерелаMukherjee, Tonmoy Shankar. "High performance, low-power and robust multi-gigabit wire-line design." Diss., Georgia Institute of Technology, 2010. http://hdl.handle.net/1853/39515.
Повний текст джерелаChristensen, Mick, and Albin Thörn. "Framtagning av automatiserat layoutförslag : Layout med human robot-kollaboration." Thesis, Högskolan i Skövde, Institutionen för ingenjörsvetenskap, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:his:diva-15832.
Повний текст джерелаThe industry today stands before challenges because of products shortened lifecycle and increased variation. Present systems are having a difficult time handling these demands. Collaborative robots (cobots) have been developed to overcome these problems and creating flexible and adjustable automation processes. Parker Hannifin in Skövde is a manufacturer of hydraulic and pneumatic couplings. All assembly is done manually at present, which can cause issues ergonomically for the workers. The productivity and quality are not suffering from any major problem now, still the company sees reasons to automate parts of the production. Partly because the importance of always trying to improve the production and ergonomic, but also the renewal of the company that follows is a reason. The purpose of the project is to find a workstation suitable for collaborative automation. The station and the processes are then to be studied to define what is needed for improvement through an automated layout. The goal is that the project will work as support for future decision concerning an investment. Different stations and moments will be studied for choosing an appropriate process to automate. Information regarding components needs to be collected, for mapping the needs of the layout. Comparisons will then be made from the concept’s parameters. Yearly cost between collaborative and manual station will be compared based on an approximately life time of the investment. Product type 1 is a new type of spill free product and its volume have good conditions to increase inthe future. Today the stations for manufacturing product type 1 and 2 have a high occupation. Station X was considered an appropriate candidate and was chosen for the project. After a compilation of the comparisons been made, the robot model UR5 from Universal Robots with a gripper from Robotiq and vision system from Sick, was chosen. A proposed layout was made where the robot is performing the last moments, 11‐15, of the assembly. The results showed that with an approximate life time of seven years, the investment would not be financially profitable compared to manual labour. The implementation should instead be investigated in a different station, concerning the high production volume that is needed in station X. The work has resulted in several solution for moments not included in the proposition. The project is still viewed as successful and the work as useful support for the future, despite results showing that the layout is not more profitable than today’s manual assembly. It is just not the economical aspect that is important to reflect over, but quality and ergonomic are fields that can benefit from collaborative robots.
Šula, Martin. "Automatizace výroby statorů elektromotorů." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2020. http://www.nusl.cz/ntk/nusl-417747.
Повний текст джерелаZhao, Zhengyang. "Optimizing Task Sequence and Cell Layout for Dual Arm Robot Assembly Using Constraint Programming." Thesis, KTH, Skolan för informations- och kommunikationsteknik (ICT), 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-186593.
Повний текст джерелаNumera används monteringsrobotar alltmer inom tillverkningsindustrin för att ersätta eller samarbeta med människor. Detta är måluppgiften för den tvåarmiga monteringsroboten, YuMi, som utvecklats av ABB. Med den korta produktlivslängden för hemelektronikprodukter kan livslängden för en monteringslinje vara ett fåtal månader. Även för erfarna robotprogrammerare är det svårt och tidsödande att manuellt konstruera en tillräckligt bra monteringsordning, och dessutom kan resultatets kvalitet inte garanteras. En bra monteringsordning är nödvändig för genomströmningen i en monteringslinje. För tvåarmiga robotar, är det också viktigt att få en balans mellan de två armarna, samt hantering av schemakrockar och undvika kollisioner i en trång miljö. I detta examensarbete har ett program skrivits, som automatiskt genererar optimala lösningar för en klass av verkliga monteringsfall. Lösningen tar hänsyn till utformningen av monteringscellen och arrangerar cellen på bästa sätt, balanserar arbetsbelastningen, ordnar och tidsbestämmer uppgifter. Programmet använder sig av Google OR-Tools – ett öppet kodbibliotek för kombinatorisk optimering. Dessutom föreslås en skräddarsydd sökstrategi, som jämförs med Google OR-Tools inbyggda sökstrategi. Resultatet visar att den använda metoden är effektiv för problemtypen. Det tar ungefär 4 minuter att hitta den optimala lösningen och 32 minuter för att bevisa optimalitet. Dessutom visar resultatet att den anpassade sökstrategin konsekvent har en bra prestanda för olika problemfall. Dessutom är den anpassade strategin effektivare än den inbyggda sökstrategin i många fall.
Guex, Jerson Paulo. "Utilizando folding no projeto de portas lógicas robustas à variabilidade de processo." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2013. http://hdl.handle.net/10183/78529.
Повний текст джерелаThis paper aims to explore for design techniques that allow the minimization of the effects of process variability on the electrical behavior of integrated circuits. To this work were discussed aspects of regularity, especially in poly-silicon layer. The technique of it folding was explored in conjunction with the regularity as possible design methodology aimed to minimizing the effects of process variability. Complex and basic layouts logic gates were built using 65nm technology. The it netlists extracted from layouts of the gates were simulated using models that reflected the effects of variability on the main technological parameters such as W, L, Tx, mu0 of the charges. The worst delay of each port and power consumption parameters were used for comparison in this work. The results show that using the it folding with regularity aspects of the experiments turns the layout gates less sensitive to process variations. These sensitivity reductions reached in some situations to 33.22 % for the basic gates and 28.96 % for the complex gates created. This techniques brings significant disadvantages in size and power consumption. For the experiments you can check increase of over 100% in area and up than 20,54% increase in power. These techniques should be used with discretion, especially on projects where there are area or consumption restrictions.
Jirák, David. "Návrh automatizace linky pro broušení součásti kompresoru." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2013. http://www.nusl.cz/ntk/nusl-231020.
Повний текст джерелаSpada, Alessio. "Analisi e progettazione di soluzioni robotiche per l'alimentazione di macchine automatiche per il tè." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2016. http://amslaurea.unibo.it/10270/.
Повний текст джерелаMartinsson, Fredrik. "Development of Robust Automated Handling of pre-impregnated Carbon Fibre." Thesis, Linköpings universitet, Industriell Produktion, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-148583.
Повний текст джерелаKarlqvist, Vanessa. "Future Assembly Layout Design for assembly of large robots : A state-of-the-art literature review and a Fuzzy AHP analysis for ABB values." Thesis, Mälardalens högskola, Innovation och produktrealisering, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:mdh:diva-48896.
Повний текст джерелаLu, Yu. "Etude du volume de travail des robots : enveloppe, atteignabilite." Paris, ENSAM, 1988. http://www.theses.fr/1988ENAM0002.
Повний текст джерелаTorrens, Caldentey Gabriel. "Estudio de eventos transitorios inducidos por radiación en memorias SRAM nanométricas." Doctoral thesis, Universitat de les Illes Balears, 2012. http://hdl.handle.net/10803/97291.
Повний текст джерелаRadiation effects in electronic circuits are known since the beginning of the space race in the 1960s, because out of the terrestrial atmosphere, radiation exposure level is higher than on the surface. However, electronic technology scaling has led to an increase in radiation susceptibility that can result in operation errors even at ground level. This thesis deals with a radiation effect, in SRAMs (Static Random Access Memory), named transient event, which is characterized by corrupting data stored in the memory without causing any permanent damage to it. Several techniques to design more robust memories against radiation effects are studied by simulation. In addition, an SRAM prototype, including some of these techniques, has been designed and manufactured. Finally, the effectiveness of these techniques has been experimentally validated through controlled irradiation of the circuit.
Els efectes de la radiació en circuits electrònics es coneixen des dels inicis de la carrera espacial als anys 60, ja que fora de l’atmosfera terrestre s’està exposat a nivells més alts de radiació que a la superfície. No obstant això, l’escalat de la tecnologia electrònica ha comportat un augment de la susceptibilitat a la radiació, que pot desembocar en errors de funcionament fins i tot a nivell de terra. Aquesta tesi estudia un efecte de la radiació, en memòries SRAM (Static Random Access Memory), anomenat event transitori, que es caracteritza per corrompre les dades emmagatzemades a la memòria sense danyar-la permanentment. S’estudien per simulació diverses tècniques per dissenyar memòries més robustes en front a events transitoris. A més, s’ha dissenyat i fabricat un prototipus d’SRAM que incorpora alguna d’aquestes tècniques. Finalment, s’ha validat experimentalment la seva eficàcia mitjançant la irradiació controlada del circuit.
HAJHOUJ, MOUAMD. "Programmation hors ligne : emulation des composants d'une cellule robotisee." Paris, ENSAM, 1988. http://www.theses.fr/1988ENAM0005.
Повний текст джерелаRenssen, Robbert Hans. "Robust analysis in a mixed model for the two-way layout /." 1991. http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&doc_number=002811554&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA.
Повний текст джерелаSu, Hong-Yan, and 蘇宏彥. "A Robust Standard Cell Layout Synthesis and Verification Framework for Advanced Technology Nodes." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/7df3x6.
Повний текст джерела國立交通大學
資訊科學與工程研究所
106
Standard cells are basic and extensively used components in digital IC designs. They are optimized manually to realize high design quality. Several standard cell libraries have been developed based on different objectives such as delay or power consumption for satisfying the associated VLSI design objectives. However, as feature sizes continue to shrink, complex design rules that arise owing to design for manufacturing (DFM) considerations complicate the design of standard cell layouts and therefore substantially increase the layout designer’s burden and hinders the design process. Automated cell layout synthesis can overcome these problems. In recent years, restricted design rule (RDR) has been proposed to reduce the set of design rules while maintaining design quality by using the key concept of regularity. With the RDR concept, we can easily address DFM concerns in cell layout designs without sacrificing design quality. However, regularity restricts the design freedom and thus layout designers have less room for improving the layout quality; this has hastened the development of automated cell layout synthesis because regularity enables automated synthesized layouts to have similar or even better design qualities compared with manual designs and requires less design time. In this thesis, we present a robust standard cell layout synthesis framework that considers complex design rules in advanced technology nodes. A dynamic programming–based transistor placement algorithm is proposed to simultaneously consider the cell area and the routability of within-cell routing. Then, a LEGO-like assembling method is adopted to efficiently and effectively overcome the challenge of different folding styles. Next, a fast and accurate routing planning is used to estimate the available and required routing resources and to then provide a rough routing result considering complex design rules. This routing planning can then guide the router to find a routing result that minimizes the required routing resource. This framework successfully synthesizes more than 1000 standard cells with competitive qualities relative to commercial cell libraries under commercial 28-nm technology nodes. Next, we develop a pin accessibility evaluation model for standard cell layouts. Cell layout designers can use this accurate estimation model to optimize the pin accessibilities of cell layouts in order to optimize the routability of VLSI designs. Our experimental results indicate that VLSI design with higher pin accessibility can provide better routing results in terms of total wirelength and via count. Finally, an exact multilayer pattern matching method is proposed to detect lithography-unfriendly patterns on standard cell–based designs. Manufacturing problems can accordingly be investigated and resolved in the early design stage.
Lin, Guan-Zhi, and 林冠志. "An Electromagnetism-like Mechanism to Solve the Robust Multi-period Multi-floor Layout Problem." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/84879375625012337347.
Повний текст джерела國立屏東科技大學
工業管理系所
100
The subject on multi-floor facility layout in multi-period is firms forecast any production situations by evaluating industrial changes. The forecasting indicated the different production situations make facility re-layout, and the difficulties of implement in real world are presented. For withstanding any production situations and reducing re-layout cost, the facility layout runs with robust design. The island nations state the reasons of shortage land resources, therefore, the workshop characteristics of multi-floor factories are considered. Based on electromagnetism-like mechanism (EM) conduct the mutual attractions or repulsions between the electrons with every electric charge, and to search the global optimal solution in the effects of interactions of electrons. Through electromagnetism-like mechanism, a variety of robust designs to mutual analysis and compare each other, we finally hope to obtain a robust design for multi-floor situations in multi-period.
LIN, CHUN-JU, and 林俊儒. "A Study of ESD Robust Evaluation in the 60V nLDMOS with Different Layout Types." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/48562396792442675803.
Повний текст джерела國立聯合大學
電子工程學系碩士班
102
With the semiconductor technology evolving and scaling, electrostatic discharge (ESD) events make ICs damage seriously. So, how to have a high-voltage (HV) device with an effective ESD capability in the harsh enviroment is a very important issue. In this thesis, Chapter 1 is the motivation and Chapter 2 introduces the principles of ESD-related, which contains an introduction of TLP measurement system. All the proposed components have been introduced and measured in Chapter 3 and 4, respectively. Then, Chapter 5 is a conclusion. A TSMC 0.25 µm 60 V process technology will be used in this thesis, the systematic structures with different layout are proposed to explore the influence of experimental result on the snapbackp parameters of components has been investigation by a TLP measurement system. Component layout architecures can be classified into four categories, the first one is the stripe-type of nLDMOS+SCR for the benchmark, including the verification of P+ implant location of anode-side and SCG values modulation of an nLDMOS+SCR, respectively. Second, the nLDMOS+SCR stuctures are proposed to compare the ESD capability with waffle-type layout, SCG values modulation, cathode-side and anode-side modulation and waffle-type-II layout. In the third part, a stripe-type of pLDMOS+SCR is used to evaluated the anti-ESD roubustness by modulated the N+ implant location of the anode-side. The final categorie is waffle-type pLDMOS+SCR components, including the verification of cathode-side and anode-side modulations. Eventually, hope to get an HV device with good ESD capability through the experimental details in this thesis.
Ma, Lin. "Robust mask-layout and process synthesis in micro-electro-mechanical-systems (MEMS) using genetic algorithms." Thesis, 2001. https://thesis.library.caltech.edu/3279/1/Ma_l_2001.pdf.
Повний текст джерела