Relevant bibliographies by topics / Sigma Motor

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  1. Journal articles
  2. Dissertations / Theses
  3. Book chapters
  4. Conference papers

Academic literature on the topic 'Sigma Motor'

Author: Grafiati
Published: 28 June 2021
Last updated: 1 February 2022

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Journal articles on the topic "Sigma Motor"

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Walker, Michael J. "Role of sigma receptors in motor control." European Neuropsychopharmacology 6 (June 1996): 159. http://dx.doi.org/10.1016/0924-977x(96)88039-4.

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Lievens, Jean-Charles, and Tangui Maurice. "Sigma-1 receptor: culprit and rescuer in motor neuron diseases." Neural Regeneration Research 16, no. 1 (2021): 106. http://dx.doi.org/10.4103/1673-5374.286961.

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AlSagheer, Abdullah. "Six Sigma For Sustainability In Multinational Organizations." Journal of Business Case Studies (JBCS) 7, no. 3 (April 28, 2011): 7. http://dx.doi.org/10.19030/jbcs.v7i3.4259.

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The Six Sigma model provides various kinds of sustainability to companies in terms of quality enhancement, zero defect level, market share enhancement, optimal production level and financial returns. Multinational companies are more orientated toward implementation of Six Sigma than small scale locally held companies. Numerous larger companies have so far implemented Six Sigma including 3M, Caterpillar, Merrill Lynch, Bank of America, Amazon.com, DHL, SGL group, Dell, Ford Motor Company, DuPont, McGraw Hill Companies and HSBC group. Implementation of Six Sigma requires considerable cost and effort in terms of human resource training and reformulation of business processes. This study is an attempt to find what kind of sustainability motivates multinational companies to invest in Six Sigma. Sustainability identified includes social sustainability, environmental sustainability, and economic sustainability. With the aid of interviews, a constant comparison study is conducted in order to find the most prevalent type of sustainability offered by Six Sigma. A sample is drawn from multinational companies which have already implemented Six Sigma in their operations. The findings suggest that multinational companies implement Six Sigma in order to attain economic sustainability through various means such as market share, customer base, and social sustainability.
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Martin, Parthena, Thadd Reeder, Jo Sourbron, Peter A. M. de Witte, Arnold R. Gammaitoni, and Bradley S. Galer. "An Emerging Role for Sigma-1 Receptors in the Treatment of Developmental and Epileptic Encephalopathies." International Journal of Molecular Sciences 22, no. 16 (August 5, 2021): 8416. http://dx.doi.org/10.3390/ijms22168416.

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Developmental and epileptic encephalopathies (DEEs) are complex conditions characterized primarily by seizures associated with neurodevelopmental and motor deficits. Recent evidence supports sigma-1 receptor modulation in both neuroprotection and antiseizure activity, suggesting that sigma-1 receptors may play a role in the pathogenesis of DEEs, and that targeting this receptor has the potential to positively impact both seizures and non-seizure outcomes in these disorders. Recent studies have demonstrated that the antiseizure medication fenfluramine, a serotonin-releasing drug that also acts as a positive modulator of sigma-1 receptors, reduces seizures and improves everyday executive functions (behavior, emotions, cognition) in patients with Dravet syndrome and Lennox-Gastaut syndrome. Here, we review the evidence for sigma-1 activity in reducing seizure frequency and promoting neuroprotection in the context of DEE pathophysiology and clinical presentation, using fenfluramine as a case example. Challenges and opportunities for future research include developing appropriate models for evaluating sigma-1 receptors in these syndromic epileptic conditions with multisystem involvement and complex clinical presentation.
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Goldstein, Susanne R., Rae R. Matsumoto, Tina L. Thompson, Robert L. Patrick, Wayne D. Bowen, and J. Michael Walker. "Motor effects of two sigma ligands mediated by nigrostriatal dopamine neurons." Synapse 4, no. 3 (1989): 254–58. http://dx.doi.org/10.1002/syn.890040311.

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Manohar, Madhura, Samuel D. Banister, Corinne Beinat, James O'Brien-Brown, and Michael Kassiou. "Recent Advances in the Development of Sigma-1 Receptor Ligands." Australian Journal of Chemistry 68, no. 4 (2015): 600. http://dx.doi.org/10.1071/ch14590.

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The existence of two distinct sigma (σ) receptor subtypes was established in the early 1990s. Sigma-1 and sigma-2 receptors (S1Rs and S2Rs, respectively) were shown to possess distinct molecular size, anatomical distribution, and ligand discrimination. S2R is overexpressed in numerous human cancers, and has therapeutic potential for the imaging and treatment of certain tumours. In contrast, S1R is more broadly involved in a wide variety of central nervous system (CNS) diseases including motor disorders, memory deficits, depression, schizophrenia, anxiety, pain, drug addiction, and many more. Since the human S1R was cloned in 1996, numerous high affinity ligands with excellent selectivity for S1R have been developed. This review focuses on recent developments in the generation of structurally diverse S1R-selective ligands and novel therapeutic candidates targeting S1Rs.
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Mancuso, Renzo, Sara Oliván, Amaya Rando, Caty Casas, Rosario Osta, and Xavier Navarro. "Sigma-1R Agonist Improves Motor Function and Motoneuron Survival in ALS Mice." Neurotherapeutics 9, no. 4 (August 31, 2012): 814–26. http://dx.doi.org/10.1007/s13311-012-0140-y.

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Carmona-Duarte, C., M. A. Ferrer, R. Plamondon, A. Gómez-Rodellar, and P. Gómez-Vilda. "Sigma-Lognormal Modeling of Speech." Cognitive Computation 13, no. 2 (February 7, 2021): 488–503. http://dx.doi.org/10.1007/s12559-020-09803-8.

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AbstractHuman movement studies and analyses have been fundamental in many scientific domains, ranging from neuroscience to education, pattern recognition to robotics, health care to sports, and beyond. Previous speech motor models were proposed to understand how speech movement is produced and how the resulting speech varies when some parameters are changed. However, the inverse approach, in which the muscular response parameters and the subject’s age are derived from real continuous speech, is not possible with such models. Instead, in the handwriting field, the kinematic theory of rapid human movements and its associated Sigma-lognormal model have been applied successfully to obtain the muscular response parameters. This work presents a speech kinematics-based model that can be used to study, analyze, and reconstruct complex speech kinematics in a simplified manner. A method based on the kinematic theory of rapid human movements and its associated Sigma-lognormal model are applied to describe and to parameterize the asymptotic impulse response of the neuromuscular networks involved in speech as a response to a neuromotor command. The method used to carry out transformations from formants to a movement observation is also presented. Experiments carried out with the (English) VTR-TIMIT database and the (German) Saarbrucken Voice Database, including people of different ages, with and without laryngeal pathologies, corroborate the link between the extracted parameters and aging, on the one hand, and the proportion between the first and second formants required in applying the kinematic theory of rapid human movements, on the other. The results should drive innovative developments in the modeling and understanding of speech kinematics.
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Sage, Andrew S., Scott C. Vannest, Kuo-Hsien Fan, Matthew J. Will, Susan Z. Lever, John R. Lever, and Dennis K. Miller. "N-Phenylpropyl-N′-(3-methoxyphenethyl)piperazine (YZ-185) Attenuates the Conditioned-Rewarding Properties of Cocaine in Mice." ISRN Pharmacology 2013 (September 5, 2013): 1–7. http://dx.doi.org/10.1155/2013/546314.

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Sigma receptor antagonists diminish the effects of cocaine in behavioral assays, including conditioned place preference. Previous locomotor activity experiments in mice determined that the sigma receptor ligand YZ-185 (N-phenylpropyl-N′-(3-methoxyphenethyl)piperazine) enhanced cocaine-induced hyperactivity at a lower (0.1 μmol/kg) dose and dose-dependently attenuated cocaine-induced hyperactivity at higher (3.16–31.6 μmol/kg) doses. The present study investigated the effect of YZ-185 on cocaine’s conditioned-rewarding properties in mice. YZ-185 (0.1, 0.316, 3.16, and 31.6 μmol/kg) did not have intrinsic activity to produce conditioned place preference or aversion. A higher (31.6 μmol/kg) YZ-185 dose, but not lower (0.1–3.16 μmol/kg) YZ-185 doses, prevented the development of place preference to cocaine (66 μmol/kg). YZ-185 did not alter the expression of cocaine place preference. To further characterize YZ-185’s behavioral profile, its effects in the elevated zero maze and rotarod procedures were also determined; YZ-185 produced no significant change from baseline in either assay, indicating that the sigma receptors probed by YZ-185 do not regulate anxiety-like or coordinated motor skill behaviors. Overall, these results suggest that YZ-185 is a sigma receptor antagonist at the 31.6 μmol/kg dose and demonstrate that sigma receptors can mediate the development of the conditioned-rewarding properties of cocaine.
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Untoro, Octa Bimansyah, and Irwan Iftadi. "Six Sigma as a Method for Controlling and Improving the Quality of Bed Series Products." Jurnal Ilmiah Teknik Industri 19, no. 2 (December 23, 2020): 131–41. http://dx.doi.org/10.23917/jiti.v19i2.11623.

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The research was conducted at PT. XYZ where there were defect problems in bed series products so that additional time is needed to repair a product. One way to make improvements and improve quality in a production process is the Six Sigma method with the stages of DMAIC. The results of the calculated average of DPMO values and Sigma Level have the result 58558.56 and 3.07 which are still not good because still far from 6 sigma. After that analyzing the root causes of defect product problems, then the priority problem is carried out using (RPN) where the highest value is at the assembly work station because the material that has been used up in the warehouse has an RPN of 405 so that it becomes a top priority for repairs. With the standardization and documentation, proposed improvements that have been given then the possible defects of Electric Lovina Bed 3 Motor will be reduced.
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Dissertations / Theses on the topic "Sigma Motor"

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Thompson, Steven James. "Improving the performance of Six Sigma : a case study of the Six Sigma process at Ford Motor Company." Thesis, University of Bedfordshire, 2007. http://hdl.handle.net/10547/134955.

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This thesis concerns the question, "Why is the performance of Six Sigma within The Ford Motor Company below that experienced in other companies, and what can be done to improve it?" The aim of the thesis was to make recommendations that would improve the performance of Six Sigma within the Ford Motor Company. Results from the literature were categorised according to headings found in the European Foundation for Quality Model (EFQM): strategy, people, process and leadership. The key factors identified from the literature review as being significant for a successful Six Sigma deployment were that projects were aligned to the strategy of the organisation, individuals were clear on their role and had appropriate skills, processes were well defined and understood and leadership team was committed to Six Sigma. The research started with a review of the results from two employee surveys. The first was given to Black Belts and asked questions concerning Six Sigma. The second was given to all the employees in the organisation. The survey data failed to identify the cause of lower than expected results, and so the investigation followed with a series of twelve interviews. When these also failed to identify the factor or factors responsible for deployment performance, the project database was reviewed. The Define, Measure, Analyse, Improve and Control steps (DMAIC) were then analysed using Gardner’s Model of Process Maturity. The thesis concluded that the main influence driving Six Sigma performance was the low process maturity of the project selection and scoping processes and this gave rise to variable project performance. The thesis then presents material to improve project performance including a process map, a process Failure Mode and Effects Analysis (FMEA) of the project selection and scoping process, a control plan that ensures that the projects are on track and a macro using Excel and Minitab that works within the Ford Motor Company system to provide automatic evaluation of projects.
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Salimi, Pejwaak. "Quadrature error cancellation for micro-machined vibratory gyroscope embedded in high order electromechanical sigma delta modulator." Thesis, University of Southampton, 2013. https://eprints.soton.ac.uk/361723/.

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Vibratory micro-machined gyroscopes utilize Coriolis force to detect the rotation rate. Recently it has been proved that embedding the gyroscope in an electromechanical ΣΔ modulator (EMSDM), results in increased linearity, rate detection range, and immunity to fabrication variations. In addition, this architecture can be deployed as a ΣΔ modulator (SDM) analogue to digital converter (ADC), providing a digital bit stream that can be used directly by any digital signal processing system (e.g. micro-processors). Furthermore, recent research has proved that higher order EMSDMs proved to deliver better performance in terms of signal to noise ratio while retaining linearity, dynamic range, fabrication tolerance and bandwidth advantages. Furthermore, in the view of ADC performance, higher order SDMs achieve higher resolution performance which is a desired feature for an ADC. Considering all these advantages, there have been attempts to deploy this approach in designing micro-machined gyroscopes interface in form of low-pass and band-pass EMSDM in order to achieve detection of high angular rate motions and angular motions with faster variation (which requires higher band width). However, the fabrication process of vibratory micro machined gyroscopes just like any other micro fabrication process is prone to flaws and inaccuracies. One of these flaws in the case of vibratory gyroscopes is the root cause of a mechanical coupling that occurs between the excitation direction and detection direction. This coupling results in appearance of an error signal in the detection direction which is known as quadrature error. Existence of this mechanical error results in reduction of performance in this type of gyroscopes and most importantly it limits the dynamic range of the sensor. In this work, a novel interface is proposed that eliminates the quadrature error while retaining the advantages of EMSDM for micro-machined gyroscopes system. The approach is a combination of quadrature amplitude modulation technique which is quite mature in communication systems, time division modulation in digital systems and the fundamental theory of EMSDM. A system level model of the novel architecture has been developed by using Matlab and Simulink. The system level simulation of the novel interface indicates that attenuation of -80dB can be achieved for the quadrature error signal. Furthermore, circuit level simulation model has been developed using Orcad/Pspice, in order to verify the consistency of the system level simulation. Finally a prototype PCB has been built characterized to evaluate the practical system performance. The measurement results on the hardware implementation show that the quadrature error power spectral density is attenuated by -70dB. In another words, the quadrature error is attenuated by about 3 orders of magnitude in the hardware implementation prototype.
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Rzyman, Michal. "Design sportovního víkendového automobilu." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2021. http://www.nusl.cz/ntk/nusl-445154.

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This diploma thesis deals with the design of the bodywork of a weekend sports car, based on the current Sigma TN vehicle, in order for better appearance and extended usability. The goal is accomplished by a new dynamic exterior design. Where the usability issue is solved by a modular roof system and luggage compartment. This work provides a new perspective on the concept and design of cars designed primarily for leisure driving.
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Greplová, Kristýna. "Design For Six Sigma." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2012. http://www.nusl.cz/ntk/nusl-230032.

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The aim of the master’s thesis is analysis of practical application limits of waste-gate TwinScroll turbocharger located in BMW X6 M vehicle by using DFSS (Design For Six Sigma) tools. The goal is to create a special measurement device for a measurement of waste gate leakage with chance of testing all sorts of characteristics having impact on key parameters of turbocharger.
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Costantino, Antonio Beniamino. "Correlazione tra i parametri di intensità di un sisma e il danno procurato alle costruzioni: rilievi di campo e studio di una proposta metodologica." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2017.

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Con questa tesi è stata studiata una metodologia per la previsione di scenari di danno post terremoto. La procedura, basata su un approccio empirico, è stata sviluppata per categorie di costruzioni con caratteristiche strutturali e dinamiche omogenee, e si applica a scala territoriale. Il procedimento consiste nell’associare al danno procurato da uno o più eventi i corrispondenti parametri di intensità sismica e conservare l’informazione in schede di correlazione, in modo da farne uso, come riferimento, in caso di nuovo evento sismico. La consultazione di tali schede, che costituiscono un archivio degli effetti causati da una serie di eventi per la categoria di costruzioni in esame, permette di formulare una previsione di danno non appena si dispone dei parametri di intensità del nuovo evento. La procedura è stata applicata nel caso degli edifici produttivi emiliani costruiti in assenza di criteri antisismici. Sono state analizzate le scosse, di magnitudo maggiore di 5, avvertite in Emilia a partire dal 1996 (crisi sismica EMILIA 2012, terremoto di Poviglio (PR) del 2012, terremoto di Bagnolo in Piano (RE) del 1996), aventi l’epicentro in zone con un’alta densità di edifici appartenenti alla categoria in esame. L’indagine ha permesso di individuare una prima ipotesi di soglie di danno, riferite principalmente, nel caso degli edifici produttivi, a parametri di intensità sismica dipendenti dalla velocità e dallo spostamento. La procedura è stata applicata inoltre nel caso della sequenza sismica del Centro Italia (2016-2017) per gli edifici in muratura di Norcia (PG) e per gli edifici produttivi di Arquata del Tronto (AP) e Muccia (MC).
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Falcone, Giovanni. "Air-spring suspension influence in fluid dynamic sloshing." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2020. http://amslaurea.unibo.it/20190/.

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Il rollover di un veicolo, ossia la possibilità che esso possa ribaltarsi, è un fenomeno comune oggigiorno ed esso può essere causato da una serie di motivi, tra cui le condizioni del veicolo e della strada, le dimensioni del carico o eventuali errori da parte del conducente, che provocano fino al 78 % dei ribaltamenti. Le molle ad aria stanno guadagnando sempre più popolarità nel settore automobilistico e presentano numerosi vantaggi rispetto alle più classiche molle elicoidali. Le molle ad aria hanno molti vantaggi unici, come un comfort di marcia superiore, una riduzione dell'attrito, minore rumorosità ecc. Nella tesi realizzata, le molle ad aria vengono utilizzate nelle sospensioni di un'autocisterna al fine di esaminare l'effetto che esse determinano sul comportamento del veicolo ed in particolare sullo sloshing del fluido contenuto nella cisterna.
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Chnag, Chih-Ping, and 張志萍. "Motor Noise Problem Improvement by Six Sigma Approach." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/70962615241582697896.

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碩士
國立清華大學
工業工程與工程管理學系工程碩士在職專班
98
In current economic time where service business is booming, providing high quality and quick service to customers has become one important way to achieve business excellence by many world-class companies.GRUNDFOS Group is one of the leading pump manufacturers in the world. Although it is defined as a traditional industry, Grundfos implement modern concepts and technologies to make it everything but traditional in business management. Grundfos aim to develop, produce and sell highest quality pumps and booster systems to the world in order to create a healthy environment and bring up the living quality for human beings. The purpose of this study is to investigate how Grundfos provide an effective solution to an OEM customer who has a complaint about motor noise in the pump. Grundfos run a project of quality improvement for rusty bearing noise from the motor by using Six Sigma DMAIC approach. By applying the logic and the improving method from Six Sigma, Grundfos anticipate an excellent effectiveness in the working process, and therefore increase the company’s competitive edge in the business. The investigation shows that from the start, Grundfos define the issue of the complaint clearly through an understanding of customer voice and an analysis of feedback from the market. The issue is then transformed to a critical to quality (CTQ). Process mapping (SIPOC) and data from measuring system are used to verify the issue. By using analyzing tools for root cause analysis, the key input which really affects the process output is expected to be found. Based on the results from above analysis, an action to improve the heating temperature of motor stator is implemented with an aim to ensure the motor stators are totally dry and hardened in the lacquering process. This action solves the rusty issue completely. As a result the motor return rate drops from 114 units per year to 0 unit per year, which is a dramatic saving for Grundfos as they would have to pay a credit cost around NTD28 million and sales order around 6,000 units per year (NTD90 million) if this quality issue could not be resolved successfully. In order to prevent the same issue from happening again, Grundfos make a process management plan and use drawings to indicate all control points in the lacquering process.
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Kuo, Chun-Lang, and 郭春郎. "The Case Study of Six Sigma Application in IT Division - An Example on Motor Industry." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/98298288141039250159.

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碩士
中原大學
資訊管理研究所
95
It is more competitive for current enterprises. How can enterprises make their product or service to get market sharing in this kind of situation? Six sigma was started by Motorola in twenty years ago under strong competition. After twenty years, most of our domestic enterprises starting to learn this kind of approach to improve their process which makes certain improvement of their products and services . In this research, the company of case study was starting six sigma approach over four years. In this period what impact of six sigma make IT changed and what difficult IT faced? This research used case study to take single company case and take multiple IT six sigma project. Get information via project material and other document to understand how about the performance of IT six sigma project and what difficult IT faced. Hope this research can help those company who want to start six sigma to refer and avoid to face same problem to help to get benefit from six sigma more.
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Ou, Yang-Jhih, and 歐陽志. "Integrating Fuzzy Theory into Lean Six Sigma to Enhancing the Process of Electric Scooter Motor." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/4h2bv2.

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碩士
國立勤益科技大學
工業工程與管理系
105
Lean Six Sigma was combined with Lean Production and Six Sigma, Lean production attention to customer needs to plan and measure product manufacturing, complete elimination of non-value-added waste, shorten processing time, Six Sigma is a statistical method using analysis of variation in the manufacturing process, reduce the defect rate of products. Lean Six Sigma to Six Sigma's DMAIC steps architecture, then lean as possible to improve the production and application of the various stages of integration and make the best use of the advantages of both methods, we will be able to meet and achieve customer satisfaction, low-cost high quality and quick response thereby creating maximum value for the enterprise. 　　Therefore, this study will be a key factor in the application of Lean Six Sigma to improve methods of introducing green energy motor car motor manufacturing process as an example, by collecting the voice of customers to confirm improvement targets, in order to identify problems and influence the cause, identify key quality characteristics of fuzzy theory assessment of inaccurate measurement data process output performance and use characteristics to be due diagram analysis bad a process of reason, reuse Taguchi experimental design method to find the best process parameter combination, the last control chart as the monitoring process of the practices and establish standardized operations processes to maintain product quality and increase competitive advantage.
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梁香君. "Implementing a Business Intelligence System for Six Sigma-a Case Study of a Motor Assembly Factory." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/26806246009561712901.

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碩士
逢甲大學
工業工程與系統管理學系
104
As time goes by, consumers have more and more expectations about qualities,and corporations are also pay more attention to their quality management initiatives.Recently, Six Sigma becomes a considerably popular quality improvement system.And at the same time, there are many successful cases for the application of Six Sigma in practice, such as GE and Motorola. The main motive of this study is as follows: Frist, this study aims to a car assembly factory（hereinafter referred to as car assembly company）. Data produced by the quality management systems. This research combines the business intelligence（BI）and the tools in each level of DMAIC. The purpose of this research is to help users find and solve the problems of Six Sigma projects through the simple Six Sigma tools. This research uses business intelligence （BI） to construct the Six Sigma DMAIC model. DMAIC can save users’ time when executing Six Sigma. Moreover, it also has the 　simplest way to let users find out problems through analyzing process by using its tools.
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Book chapters on the topic "Sigma Motor"

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Schorrstedt, Michael. "Consumer Driven 6-Sigma bei der Ford Motor Company." In Six Sigma, 349–58. Berlin, Heidelberg: Springer Berlin Heidelberg, 2003. http://dx.doi.org/10.1007/978-3-662-09916-2_19.

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Schorrstedt, Michael. "Consumer Driven 6-Sigma bei der Ford Motor Company." In Six Sigma, 349–58. Berlin, Heidelberg: Springer Berlin Heidelberg, 2004. http://dx.doi.org/10.1007/978-3-662-09914-8_19.

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Schorrstedt, Michael. "Consumer Driven 6-Sigma bei der Ford Motor Company." In Six Sigma, 421–30. Berlin, Heidelberg: Springer Berlin Heidelberg, 2004. http://dx.doi.org/10.1007/978-3-662-09912-4_20.

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"Motor-Vehicle Industry: Earliest but Lagging." In Best Practices in Lean Six Sigma Process Improvement, 231–44. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2015. http://dx.doi.org/10.1002/9781119196761.ch20.

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"Global Motor Manufacturing in the Credit Crunch of 2008–2009." In The Future of Lean Sigma Thinking in a Changing Business Environment, 75–92. Productivity Press, 2018. http://dx.doi.org/10.4324/9781315300269-7.

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Saletin, Jared M., William G. Coon, and Mary A. Carskadon. "Stage 2 Sleep EEG Sigma Activity and Motor Learning in Childhood ADHD: A Pilot Study." In Sleep and Developmental Psychopathology, 18–27. Routledge, 2018. http://dx.doi.org/10.4324/9781351008921-3.

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Conference papers on the topic "Sigma Motor"

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Al-Makhles, Dhafer, Akshya Swain, and Nitish Patel. "Delta-Sigma based bit-stream controller for a D.C. motor." In TENCON 2012 - 2012 IEEE Region 10 Conference. IEEE, 2012. http://dx.doi.org/10.1109/tencon.2012.6412242.

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Xiu, Jie, and Chang-Liang Xia. "Modeling of Switched Reluctance Motor Based on Pi-sigma Neural Network." In 2007 IEEE International Symposium on Industrial Electronics. IEEE, 2007. http://dx.doi.org/10.1109/isie.2007.4374779.

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Jun, Cha-Seung, and Byung-Il Kwon. "Design process of spoke-type PM motor using six sigma process with tolerance design." In 2016 International Symposium on Power Electronics, Electrical Drives, Automation and Motion (SPEEDAM). IEEE, 2016. http://dx.doi.org/10.1109/speedam.2016.7525879.

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Xuexiu, Liang, Wu Tong, Sun Rongyi, Jiang Jie, Li Bing, and Yu Hua. "Applications research of sigma-delta modulator in high precision measurement system of motor current." In 2017 13th IEEE International Conference on Electronic Measurement & Instruments (ICEMI). IEEE, 2017. http://dx.doi.org/10.1109/icemi.2017.8265979.

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Tong, Chengde, Jiewen Lang, Guangyuan Qiao, Mingqiao Wang, Zuosheng Yin, and Ping Zheng. "Sinusoidal Commutation of a Micro Coreless BLDC Motor with Delta-Sigma ADC Current Sensing." In 2019 22nd International Conference on Electrical Machines and Systems (ICEMS). IEEE, 2019. http://dx.doi.org/10.1109/icems.2019.8922106.

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Pedersen, Niels H., Per Johansen, and Torben O. Andersen. "LQR Feedback Control Development for Wind Turbines Featuring a Digital Fluid Power Transmission System." In 9th FPNI Ph.D. Symposium on Fluid Power. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/fpni2016-1537.

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Research within digital fluid power (DFP) transmissions is receiving an increased attention as an alternative to conventional transmission technologies. The use of DFP displacement machines entails a need for applicable control algorithms. However, the design and analysis of controllers for such digital systems are complicated by its non-smooth behavior. In this paper a control design approach for a digital displacement machine® is proposed and a performance analysis of a wind turbine using a DFP transmission is presented. The performance evaluation is based on a dynamic model of the transmission with a DFP motor, which has been combined with the NREL 5-MW reference wind turbine model. A classical variable speed control strategy for wind speeds below rated is proposed for the turbine, where the pump displacement is fixed and the digital motor displacement is varied for pressure control. The digital motor control strategy consists of a full stroke operation strategy, where a Delta-Sigma pulse density modulator is used to determine the chamber activation sequence. In the LQR-control design approach, the discrete behavior of the motor and Delta-Sigma modulator is described by a discrete linear time invariant model. Using full-field flow wind profiles as input, the design approach and control performance is verified by simulation in the dynamic model of the wind turbine featuring the DFP transmission. Additionally, the performance is compared to that of the conventional NREL reference turbine, transmission and controller.
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Kappes, Philipp, Immanuel Krueger, and Gerd Griepentrog. "Self-sensing method for a switched reluctance motor using delta-sigma modulators and neural networks." In 2017 IEEE International Symposium on Sensorless Control for Electrical Drives (SLED). IEEE, 2017. http://dx.doi.org/10.1109/sled.2017.8078430.

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Ombach, G., and J. Junak. "Design of PM Brushless Motor Taking into Account Tolerances of Mass Production - Six Sigma Design Method." In 2007 IEEE Industry Applications Annual Meeting. IEEE, 2007. http://dx.doi.org/10.1109/ias.2007.324.

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Anuchin, Alecksey, Alexandr Zharkov, Dmitry Aliamkin, Dimid Surnin, Dmitry Shpak, and Yuriy Vagapov. "Direct Measurement of the Current Derivative Using a Delta-Sigma Modulator for Sensorless Traction Motor Control." In 2018 IEEE International Conference on Electrical Systems for Aircraft, Railway, Ship Propulsion and Road Vehicles & International Transportation Electrification Conference (ESARS-ITEC). IEEE, 2018. http://dx.doi.org/10.1109/esars-itec.2018.8607643.

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Ombach, G., and J. Junak. "Design of PM Brushless Motor Taking into Account Tolerances of Mass Production - Six Sigma Design Method." In 2007 IEEE Industry Applications Annual Meeting. IEEE, 2007. http://dx.doi.org/10.1109/07ias.2007.324.

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