Bibliografie tematiche / Shift systems

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Letteratura scientifica selezionata sul tema "Shift systems"

Autore: Grafiati

Pubblicato: 4 giugno 2021

Ultima modifica: 31 luglio 2024

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Articoli di riviste sul tema "Shift systems"

Smith, Lawrence, Ian Macdonald, Simon Folkard e Philip Tucker. "Industrial shift systems". Applied Ergonomics 29, n. 4 (agosto 1998): 273–80. http://dx.doi.org/10.1016/s0003-6870(97)00059-8.

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Shekutkovski, Nikita. "Shift and coherent shift in inverse systems". Topology and its Applications 140, n. 1 (maggio 2004): 111–30. http://dx.doi.org/10.1016/j.topol.2003.08.012.

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Knauth, P. "Designing better shift systems". Applied Ergonomics 27, n. 1 (febbraio 1996): 39–44. http://dx.doi.org/10.1016/0003-6870(95)00044-5.

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Ron, Amos, e Zuowei Shen. "Generalized Shift-Invariant Systems". Constructive Approximation 22, n. 1 (8 ottobre 2004): 1–45. http://dx.doi.org/10.1007/s00365-004-0563-8.

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Casjens, Swaantje, Frank Brenscheidt, Anita Tisch, Beate Beermann, Thomas Brüning, Thomas Behrens e Sylvia Rabstein. "Social jetlag and sleep debts are altered in different rosters of night shift work". PLOS ONE 17, n. 1 (7 gennaio 2022): e0262049. http://dx.doi.org/10.1371/journal.pone.0262049.

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Background Night and shift work are suspected to cause various adverse effects on health and sleep. Sleep deprivation through shift work is assumed to be compensated on free days. So far it is not clear how different shift systems and shift lengths affect sleep structure on work and free days. Especially working night shifts disrupts the circadian rhythm but also extended working hours (12h) might affect sleep characteristics. Hitherto, the magnitude of sleep debt, social jetlag, and Locomotor Inactivity During Sleep (LIDS) in different shift systems is unknown. Methods Here, we investigated the impact of five different shift rosters on sleep in 129 industrial workers from Germany. Permanent night work with multiple shift systems with and without night shifts and with different shift lengths were compared. Wrist-activity was monitored over 28 days revealing sleep on- and offsets as well as LIDS as proxy for sleep quality. Overall, 3,865 sleep bouts comprising 22,310 hours of sleep were examined. Results The mean daily age-adjusted sleep duration (including naps) was 6:43h and did not differ between shift workers of different rosters. However, sleep duration on workdays was particularly low in rotational shift systems with 12h-shifts (5:00h), while overall sleep debt was highest. Shift workers showed a median absolute social jetlag of 3:03h, which differed considerably between shift types and rosters (p<0.0001). Permanent night workers had the highest social jetlag (5:08h) and latest mid-sleeps on workdays and free days. Sleep quality was reduced in permanent night shift workers compared with shift workers in other rosters and differed between daytime and nighttime sleep. Conclusions Shift work leads to partial sleep deprivation, which particularly affects workers in 12h-shifts and permanent night shifts. Working these shifts resulted in higher sleep debts and larger absolute social jetlag whereas sleep quality was especially reduced in permanent night shift workers compared with shift workers of other rosters.

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Permatasari, Henny, Junaiti Sahar, Muchtarrudin Mansyur e Astrid Widayati Hardjono. "Voices of Indonesian Manufacturing Workers in Rotating Shift Systems". Jurnal Keperawatan Indonesia 25, n. 1 (30 marzo 2022): 52–61. http://dx.doi.org/10.7454/jki.v25i1.1210.

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The factors associated with changes in work patterns and working hours due to rotating shifts have an effect on the increased risk of health problems in workers. Manufacturing industry workers, specifically those on rotating shift schedules, are at a high risk of various health problems, such as cardiovascular diseases, circadian rhythm problems, social life problems, and stress. These health problems may be worsened by poor lifestyle habits, such as smoking, unhealthy diet, and infrequent physical activity. This research aimed to explore the experience of 12 manufacturing workers on rotating shift schedules in Greater Jakarta, Indonesia. Through a phenomenological approach, this qualitative study employed 12 participants selected from manufacturing industry shift workers. The participants were selected through purposive sampling whom met the inclusion criteria, namely working in three rotating shift patterns (morning, afternoon, and night shift), aged 20–50 years old, having at least three years of experience in shift work, and able to communicate well. Selection was done with the assistance of the supervisors of the participants working in the manufacturing industry. Thematic analysis yielded three themes: the reasons for working shifts, the effects of shift work, and efforts made to maintain health during working shifts. The findings of this study imply the need for occupational health nursing services as the main intervention at the primary and secondary prevention levels. Occupational health nurses provide occupational health nursing services in the workplace in accordance with the nursing intervention model of fatigue management.AbstrakSuara Pekerja Manufaktur Indonesia dalam Sistem Shift Berputar. Dalam sistem kerja shift, faktor-faktor seperti per-ubahan pola kerja dan jam kerja dapat berdampak pada masalah kesehatan para pekerjanya. Pekerja shift manufak-tur berisiko memiliki berbagai masalah kesehatan, seperti penyakit kardiovaskuler, gangguan irama sirkadian, gangguan pola kehidupan sosial, stres, didukung oleh perilaku pekerja seperti merokok, diet yang buruk serta aktivitas olah raga yang jarang dilakukan. Penelitian ini bertujuan untuk mengeksplorasi pengalaman para 12 pekerja di sector manufaktur di Indonesia, khususnya di daerah Jakarta dan sekitarnya. Peneliti menggunakan metode penelitian kualitatif dengan pendekatan fenomenologi. Partisipan berjumlah 12 didapatkan melalui teknik purposive sampling yang memenuhi krite-ria inklusi: menggunakan sistem kerja rotasi tiga shift (pagi, sore, dan malam), berusia 20–50 tahun, memiliki pengalam-an bekerja sistem rotasi shift minimal tiga tahun, dan mampu berkomunikasi dengan baik. Proses pemilihan partisipan dilakukan peneliti bersama key person, yaitu supervisor/leader dari beberapa pabrik manufaktur. Analisis tematik yang dilakukan menghasilkan tiga tema: alasan bekerja shift, dampak dari kerja shift, dan upaya para pekerja dalam menjaga status kesehatan. Temuan dari penelitian ini dapat menjadi implikasi bagi kesadaran terhadap perlunya tenaga kesehatan atau perawat di area kerja atau sektor industri sebagai upaya intervensi utama dan sekunder dalam pencegahan ke-celakaan kerja untuk para pekerja dan keluarga pekerja melalui model keperawatan manajemen kelelahan kerja (MARI-KERJA).Kata Kunci: kerja shift, pekerja manufaktur, perawat kesehatan kerja, sistem berputar

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SALLINEN, Mikael, Mikko HÄRMÄ, Pertti MUTANEN, Riikka RANTA, Jussi VIRKKALA e Kiti MÜLLER. "Sleepiness in Various Shift Combinations of Irregular Shift Systems". Industrial Health 43, n. 1 (2005): 114–22. http://dx.doi.org/10.2486/indhealth.43.114.

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Bachorczyk Nagy, Renata, Marek Danielewski e Robert Filipek. "Kirkendall Shift in Multicomponent Systems". Solid State Phenomena 72 (gennaio 2000): 153–56. http://dx.doi.org/10.4028/www.scientific.net/ssp.72.153.

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Jaff, Luai, Cyrille Bertelle e Gerard H. E. Duchamp. "Shift operators and complex systems". International Journal of Modelling, Identification and Control 3, n. 1 (2008): 50. http://dx.doi.org/10.1504/ijmic.2008.018184.

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KNAUTH, PETER. "The design of shift systems". Ergonomics 36, n. 1-3 (gennaio 1993): 15–28. http://dx.doi.org/10.1080/00140139308967850.

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Tesi sul tema "Shift systems"

Alkhayuon, Hassan Mazin. "Rate-induced transitions for parameter shift systems". Thesis, University of Exeter, 2018. http://hdl.handle.net/10871/35071.

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Rate-induced transitions have recently emerged as an identifiable type of instability of attractors in nonautonomous dynamical systems. In most studies so far, these attractors can be associated with equilibria of an autonomous limiting system, but this is not necessarily the case. For a specific class of systems with a parameter shift between two autonomous systems, we consider how the breakdown of the quasistatic approximation for attractors can lead to rate-induced transitions, where nonautonomous instability can be characterised in terms of a critical rate of the parameter shift. We find a number of new phenomena for non-equilibrium attractors: weak tracking where the pullback attractor of the system limits to a proper subset of the attractor of the future limit system, partial tipping where certain phases of the pullback attractor tip and others track the quasistatic attractor, em invisible tipping where the critical rate of partial tipping is isolated and separates two parameter regions where the system exhibits end-point tracking. For a model parameter shift system with periodic attractors, we characterise thresholds of rate-induced tipping to partial and total tipping. We show these thresholds can be found in terms of certain periodic-to-periodic and periodic-to-equilibrium connections that we determine using Lin's method for an augmented system. Considering weak tracking for a nonautonomous Rossler system, we show that there are infinitely many critical rates at which a pullback attracting solution of the system tracks an embedded unstable periodic orbit of the future chaotic attractor.

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LeMaster, Cheryl Faye. "Leading Change in Complex Systems: A Paradigm Shift". Antioch University / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=antioch1500033972019138.

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Anthony, Romy Leigh. "A stress management module for shift workers". Thesis, Cape Peninsula University of Technology, 2006. http://hdl.handle.net/20.500.11838/1748.

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Thesis (MTech (Human Resources Management))--Cape Peninsula University of Technology, 2006
Many people work shifts because of socio-economic considerations and for them stopping shift work is not a realistic option. Shift work can have a negative impact on the health and well being of workers. The reason for this is that in every individual's body there are many rhythms/cycles, which are designed for daytime work. When these rhythms are disrupted as in nightime work, they need time to adjust so that they may all function as one. These rhythms do not adjust instantaneously; therefore the impact on the body is negative. This in turn, leads to a reduction in performance attentiveness, as well as an increase in the risk of accidents and injuries. Most shift workers do not know how to adjust their lifestyle to minimise the negative effects of working around the clock as companies do not provide the required programmes for their well being, thus increasing the chance of suffering from stress. If this is so, then, not only will the well being of the individual or employee be disrupted, but so too will productivity, as well as the profits of the business. This therefore means that shift work could in the end diminish the economic gain it was designed to create. "A tailor-made shift system should be a compromise between the employer's goals, the wishes of employees, and ergonomic recommendations for the design of shift systems" (Knauth, 1997:21). According to Ahasan (2002:09): "Currently there is little information available in the literature that supports the effective design of shift schedules, which offer effective productivity levels, while maintaining the health and safety of shift workers", It therefore has to be realised that there is no ideal shift system, which is going to fully meet an organisations needs, as well as the well being, social and family needs of each and every single employee within the organisation. Employers and employees can work together in order to learn how to identify and control shift work hazards. Also, employees need to learn how to cope better with the demands of their work schedule. Due to the many disruptions encountered in their personal life, social life and physical well being, the existence of stressrelated illnesses is increased in shift workers. Employers may pick up signs of stress when the following factors are monitored on a regular basis, as well as investigated if and when variances occur:

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Njela, Clive Jonathan. "The impact of shiftwork on productivity". Thesis, Nelson Mandela Metropolitan University, 2009. http://hdl.handle.net/10948/1299.

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Shiftwork is common in the private sector but not exclusive from the public sector like nursing. In order to secure a continuous operation, and optimization of equipment, businesses introduced shiftwork. The author wanted to test certain hypotheses to better understand the impact of shiftwork. In this research the author first embarked on a theoretical study into shiftwork and its associated problems, which include the impact on productivity, the impact on the employer’s attitude towards the work, the impact on the family life, the impact on social life, the impact on physical health and the psychological effects. Thereafter, an empirical study was conducted to ascertain to what extend shiftwork affects productivity and the life of the employees. The data was then analysed to explain the impact of shiftwork and productivity. Lastly, recommendations were made based on the research.

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Tang, Xuan. "Polarisation shift keying modulated free-space optical communication systems". Thesis, Northumbria University, 2012. http://nrl.northumbria.ac.uk/8190/.

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Karstien, Richard F. "Effectively dealing with the problems of shiftwork as a police officer". Instructions for remote access. Click here to access this electronic resource. Access available to Kutztown University faculty, staff, and students only, 2006. http://www.kutztown.edu/library/services/remote_access.asp.

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Thesis (M.P.A. )--Kutztown University of Pennsylvania, 2006.
Source: Masters Abstracts International, Volume: 45-06, page: 2945. Typescript. Abstract precedes thesis as 2 leaves (iii-iv). Includes bibliographical references (leaves 52-56).

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Gravely, Marianne Hastoglis. "The effect of shiftwork on dietary intake and personal health perspective of nurses". Thesis, This resource online, 1993. http://scholar.lib.vt.edu/theses/available/etd-09192009-040520/.

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Zettas, Spiridon. "Adaptive averaging channel estimation for DVB-T2 systems". Thesis, Brunel University, 2018. http://bura.brunel.ac.uk/handle/2438/16581.

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In modern communication systems, the rate of transmitted data is growing rapidly. This leads to the need for more sophisticated methods and techniques of implementation in every block of the transmitter-receiver chain. The weakest link in radio communications is the transmission channel. The signal, which is passed through it, suffers from many degrading factors like noise, attenuation, diffraction, scattering etc. In the receiver side, the modulated signal has to be restored to its initial state in order to extract the useful information. Assuming that the channel acts like a filter with finite impulse, one has to know its coefficients in order to apply the inverse function, which will restore the signal back to its initial state. The techniques which deal with this problem are called channel estimation. Noise is one of the causes that degrade the quality of the received signal. If it could be discarded, then the process of channel estimation would be easier. Transmitting special symbols, called pilots with known amplitude, phase and position to the receiver and assuming that the noise has zero mean, an averaging process could reduce the noise impact to the pilot amplitudes and thus simplify the channel estimation process. In this thesis, a novel channel estimation method based on noise rejection is introduced. The estimator takes into account the time variations of the channel and adapts its buffer size in order to achieve the best performance. Many configurations of the estimator were tested and at the beginning of the research fixed size estimators were tested. The fixed estimator has a very good performance for channels which could be considered as stationary in the time domain, like Additive White Gaussian Noise (AWGN) channels or slowly time-varying channels. AWGN channel is a channel model where the only distorting factor is the noise, where noise is every unwanted signal interfering with the useful signal. The properties of the noise are that it is additive, which means that the noise is superimposed on the transmitted signal, it is white so the power density is constant for all frequencies, and it has a Gaussian distribution in the time domain with zero mean and variance σ2=N. A slowly time varying channel refers to channel with coherence time larger than the transmitted symbol duration. The performance of a fixed size averaging estimator in case of fast time-varying channels is subject to the buffering time. When the buffering time is smaller or equal to a portion of the coherence time the averaging process offers better performance than the conventional estimation, but when the buffering time exceeds this portion of the coherence time the performance of the averaging process degrades fast. So, an extension has been made to the averaging estimator that estimates the Doppler shift and thus the coherence time, where the channel could be assumed as stationary. The improved estimator called Adaptive Averaging Channel Estimator (AACE) is capable to adjust its buffer size and thus to average only successive Orthogonal Frequency Division Multiplexing (OFDM) symbols that have the same channel distortions. The OFDM is a transmission method where instead of transmitting the data stream using only on carrier, the stream is divided into parallel sub-streams where the subcarriers conveying the sub-streams are orthogonal to each other. The use of the OFDM increases the symbol duration making it more robust against Inter-Symbol Interference (ISI), which the interference among successive transmitted symbols, and also divides the channel bandwidth into small sub-bandwidths preventing frequency selectivity because of the multipath nature of the radio channel. Simulations using the Rayleigh channel model were performed and the results clearly demonstrate the benefits of the AACE in the channel estimation process. The performance of the combination of AACE with Least Square estimation (AACE-LS) is superior to the conventional Least Square estimation especially for low Doppler shifts and it is close to the Linear Minimum Mean Square Error (LMMSE) estimation performance. Consequently, if the receiver has low computational resources and/or the channel statistics are unknown, then the AACE-LS estimator is a valid choice for modern radio receivers. Moreover, the proposed adaptive averaging process could be used in any OFDM system based on pilot aided channel estimation. In order to verify the superiority of the AACE algorithm, quantitative results are provided in terms of BER vs SNR. It is demonstrated that AACE-LS is 7dB more sensitive than the LS estimator.

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Reid, Kathryn J. "Measuring adaption to shiftwork /". Title page, contents and abstract only, 1998. http://web4.library.adelaide.edu.au/theses/09PH/09phr3561.pdf.

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Croussore, Kevin. "ALL-OPTICAL REGENERATION FOR PHASE-SHIFT KEYED OPTICAL COMMUNICATION SYSTEMS". Doctoral diss., University of Central Florida, 2007. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/2481.

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All-optical signal processing techniques for phase-shift keyed (PSK) systems were developed theoretically and demonstrated experimentally. Nonlinear optical effects in fibers, in particular four-wave mixing (FWM) that occurs via the ultra-fast Kerr nonlinearity, offer a flexible framework within which numerous signal processing functions can be accomplished. This research has focused on the regenerative capabilities of various FWM configurations in the context of processing PSK signals. Phase-preserving amplitude regeneration, phase regeneration, and phase-regenerative wavelength conversion are analyzed and demonstrated experimentally. The single-pump phase-conjugation process was used to regenerate RZ-DPSK pulse amplitudes with different input noise distributions, and the impact on output phase characteristics was studied. Experiments revealed a limited range over which amplitude noise could effectively be suppressed without introduction of phase noise, particularly for signals with intensity pattern effects. Phase regeneration requires use of phase-sensitive amplification (PSA), which occurs in nonlinear interferometers when the pump and signal frequencies are degenerate (NI-PSA), or in fiber directly through single-stage (degenerate) or cascaded (non-degenerate) FWM processes. A PSA based on a Sagnac interferometer provided the first experimental demonstration of DPSK phase and amplitude regeneration. The phase-regenerative capabilities of the NI-PSA are limited in practice by intrinsic noise conversion (amplitude to phase noise) and to a lesser extent by the requirement to modulate the pump wave to suppress stimulated Brillouin scattering (SBS). These limitations are relaxed in novel materials with higher SBS thresholds and nonlinearities. Degenerate FWM provides PSA in a traveling-wave configuration that intrinsically suppresses the noise conversion affecting the NI-PSA, while providing stronger phase-matched gain. Experiments confirmed superior phase-regenerative behavior to the NI-PSA with simultaneous reduction of amplitude noise for NRZ-DPSK signals. Phase-regenerative wavelength conversion (PR-WC) provides the regenerative properties of PSA at a new wavelength, and was proposed and demonstrated for the first time in this research. The parallel implementation of two FWM processes, phase-conjugation and frequency conversion, provides two idlers which exhibit interesting and useful regenerative properties. These were investigated theoretically and experimentally. Ideal phase-regenerative behavior is predicted when the contributing FWM processes are equally phase-matched, which can be maintained over any interaction length or wavelength shift provided the pump powers are properly adjusted. Depleted-pump regime PR-WC provides simultaneous phase and amplitude regeneration. Experiments confirmed regenerative behavior for wavelength shifts of the idlers up to 5 nm. Two techniques for phase regeneration of 4-level PSK signals were developed and evaluated. The first is based on parallel operation of PSAs suitable for processing 2-level PSK signals, where phase projection and regeneration are combined to recover the input data. Analysis of this scheme outlined the conditions required for effective phase regeneration and for practical implementation using known PSAs. A novel process based on FWM (parallel phase-conjugation followed by PSA) was developed and analyzed, and demonstrated using numerical simulations. These studies provide a basis for further work in this area.
Ph.D.
Optics and Photonics
Optics and Photonics
Optics PhD

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Più fonti

Libri sul tema "Shift systems"

I, Wedderburn Alexander A., e European Foundation for the Improvement of Living and Working Conditions., a cura di. Continuous shift systems. Loughlinstown, Co. Dublin: European Foundation for the Improvement of Living and Working Conditions, 1998.

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Hans, Hahn. Soziale Auswirkungen der Nacht- und Schichtarbeit. Dortmund: Bundesanstalt für Arbeitsschutz, 1985.

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Quéinnec, Y. Le travail posté: Repères pour négocier. [Toulouse-Le Mirail]: Université de Toulouse-Le Mirail, Service des publications, 1985.

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Manfred, Walz, e Bumann Reinhard, a cura di. Wer weiss denn schon was Kontischicht bedeutet: Zum Zusammenhang von Arbeit und Leben ausserhalb des Werktors, Kooperatives Forschen in der Stahlindustrie. Frankfurt [am Main]: Campus, 1986.

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Bosworth, Derek L. Shiftwork in the U.K.: Recent evidence from the LFS. Coventry: Institute for Employment Research, University of Warwick, 1990.

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Adler, Taffy. Sleep for sale: A study of shift work in South Africa. Johannesburg, South Africa: Witwatersrand University Press, 1991.

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Rosa, Roger Rudolph. Plain language about shiftwork. Cincinnati, OH: U.S. Dept. of Health and Human Services, Public Health Service, Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health, Division of Biomedical and Behavioral Science, Education and Information Division, 1997.

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Jezewski, Alec. How to manage your shift pattern. Rolleston, Newark, Nottinghamshire: C-Desk Technology, 2008.

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Cantwell, John, e Takabumi Hayashi, a cura di. Paradigm Shift in Technologies and Innovation Systems. Singapore: Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-32-9350-2.

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Voigt, Dieter. Schichtarbeit und Sozialsystem: Zur Darstellung, Entwicklung und Bewertung der Arbeitszeitorganisation in den beiden Teilen Deutschlands. Bochum: N. Brockmeyer, 1986.

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Capitoli di libri sul tema "Shift systems"

Christensen, Ole. "Shift-Invariant Systems". In Frames and Bases, 1–16. Boston: Birkhäuser Boston, 2008. http://dx.doi.org/10.1007/978-0-8176-4678-3_8.

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Kim, Ki Hang, e Fred W. Roush. "Decidability of shift equivalence". In Dynamical Systems, 374–424. Berlin, Heidelberg: Springer Berlin Heidelberg, 1988. http://dx.doi.org/10.1007/bfb0082843.

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Shaw, Derek. "Chemical Shift Imaging". In NMR in Living Systems, 157–68. Dordrecht: Springer Netherlands, 1986. http://dx.doi.org/10.1007/978-94-009-4580-7_10.

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Ing, David. "Incremental Adaptation or Generational Shift?" In Translational Systems Sciences, 151–84. Singapore: Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-99-9730-5_7.

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AbstractAs Industry 4.0 matures, what’s next? A generational shift to 5.0? Or an incremental adaptation to 4.x? Systems changes may involve both Socio-Technical Systems (STS) changes and Socio-Ecological Systems (SES) changes. Distinctions are explored historically circa 1492 with The Age of Discovery and Industry 0.0, evolving through centuries before a 1.0 Industrial Revolution. From the late twentieth century, The Age of Information was led by STS changes bringing a service economy and a knowledge society. Into 2024, polycrisis appears to be building with SES changes of natural disruptions due to climate change and the pandemic. Prospects for 2030 see eras of a maturing 4.x and emerging 5.0 alongside each other, with uncertainty as to which system characterizes the period.

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Schönbach, Christian. "Antigenic Drift and Shift". In Encyclopedia of Systems Biology, 30–31. New York, NY: Springer New York, 2013. http://dx.doi.org/10.1007/978-1-4419-9863-7_745.

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Valenzuela, H. M., e N. K. Bose. "Linear Shift-Variant Multidimensional Systems". In Multidimensional Systems Theory, 147–83. Dordrecht: Springer Netherlands, 1985. http://dx.doi.org/10.1007/978-94-009-5225-6_5.

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Simsek, Tunc. "The λ-Shift Interchange Format". In Discrete Event Systems, 481–82. Boston, MA: Springer US, 2000. http://dx.doi.org/10.1007/978-1-4615-4493-7_55.

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Ortigueira, Manuel Duarte. "Fractional Linear Shift-Invariant Systems". In Fractional Calculus for Scientists and Engineers, 71–99. Dordrecht: Springer Netherlands, 2011. http://dx.doi.org/10.1007/978-94-007-0747-4_4.

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Šurkala, Milan, Karel Mozdřeň, Radovan Fusek e Eduard Sojka. "Hierarchical Blurring Mean-Shift". In Advanced Concepts for Intelligent Vision Systems, 228–38. Berlin, Heidelberg: Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-23687-7_21.

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Gu, Xuewu. "Compatibility of Globality and Global Navigation Satellite Systems". In Global Power Shift, 31–39. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-15467-6_4.

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Atti di convegni sul tema "Shift systems"

McNown, Scott R., e Bobby R. Hunt. "Approximate shift-invariance by warping shift-variant systems". In SPIE's 1994 International Symposium on Optics, Imaging, and Instrumentation, a cura di Timothy J. Schulz e Donald L. Snyder. SPIE, 1994. http://dx.doi.org/10.1117/12.188037.

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Thornton, Sarah, Anuradha Annaswamy, Diana Yanakiev, Gregory M. Pietron, Bradley Riedle, Dimitar Filev e Yan Wang. "Adaptive Shift Control for Automatic Transmissions". In ASME 2014 Dynamic Systems and Control Conference. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/dscc2014-5964.

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Using feedback information of estimates from a model of the hydraulic clutch actuation and measurements from transmission mechanicals, a closed-loop adaptive controller is designed. The controller is structured to update at three different rates: every time instance, every shift, and every n-th number of shifts. Part of the controller is designed to operate in open-loop for the first two regions of the shift until feedback information is available. The open-loop controller adapts within the shift, thus allowing for corrections to the control design to be made during the current shift and in subsequent shifts. The model tuning parameters as well as the return spring pre-load force become the adaptive parameters, which are being adjusted so that the plant matches the model in real-time operation. The control design is validated against a high fidelity simulation model of the transmission hydraulics and mechanicals, as well as experimental data.

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Laurent, Nicolas. "Red Shift: procedural shift-reduce parsing (vision paper)". In SPLASH '17: Conference on Systems, Programming, Languages, and Applications: Software for Humanity. New York, NY, USA: ACM, 2017. http://dx.doi.org/10.1145/3136014.3136036.

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Aach, Til, e Hartmut Fuhr. "Shift variance, cyclostationarity and expected shift variance in multirate LPSV systems". In 2011 IEEE Statistical Signal Processing Workshop (SSP). IEEE, 2011. http://dx.doi.org/10.1109/ssp.2011.5967821.

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Yanakiev, Diana, Yuji Fujii, Eric Tseng, Gregory M. Pietron, Joseph Kucharski e Nimrod Kapas. "Torque Phase Shift Control Based on Clutch Torque Estimation". In ASME 2013 Dynamic Systems and Control Conference. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/dscc2013-3868.

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An automatic transmission shift method is presented, in which the torque transfer phase is controlled in closed loop. This is made possible by real-time estimation of the torque transmitted by the off-going and on-coming clutches participating in the shift. Each clutch torque is determined based on measured or estimated input and output shaft torques and accelerations. To illustrate an application of the method, traditional friction elements are used to emulate one-way-clutch function during a power-on upshift.

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de Meijere, Jacob L. F. "Short derivation of aberrations, stop-shift, and object-shift equations for diffractive optics". In Lens and Optical Systems Design. SPIE, 1993. http://dx.doi.org/10.1117/12.142832.

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Thomas, Deepak George, Tichakorn Wongpiromsarn e Ali Jannesari. "Temporal shift reinforcement learning". In EuroSys '22: Seventeenth European Conference on Computer Systems. New York, NY, USA: ACM, 2022. http://dx.doi.org/10.1145/3517207.3526968.

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Liu, Xiangmin, e Pengfei Zhu. "Angular shift in the Kretschmann configuration". In 2012 7th International Conference on System of Systems Engineering (SoSE). IEEE, 2012. http://dx.doi.org/10.1109/sysose.2012.6333484.

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Kramer, Martin, e Horst Bessai. "Sigma shift keying (SSK): A paradigm shift in digital modulation techniques". In 2017 2nd International Conference on Computer and Communication Systems (ICCCS). IEEE, 2017. http://dx.doi.org/10.1109/ccoms.2017.8075267.

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Gruver, William A. "Distributed intelligent systems: A paradigm shift". In 2012 IEEE 16th International Conference on Computer Supported Cooperative Work in Design (CSCWD). IEEE, 2012. http://dx.doi.org/10.1109/cscwd.2012.6221789.

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Rapporti di organizzazioni sul tema "Shift systems"

Boss, N. K. Shift-Variant Multidimensional Systems. Fort Belvoir, VA: Defense Technical Information Center, maggio 1985. http://dx.doi.org/10.21236/ada158973.

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De Groote, Bram, Astrid Olaerts, Marion Herens, Just Dengerink, Brenda Namugumya Shenute e Hermine ten Hove. Food systems governance e-course – SHiFT work package 5 evaluation report. Washington, DC: International Food Policy Research Institute, 2023. http://dx.doi.org/10.2499/p15738coll2.136849.

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Spivack, Marla. Applying Systems Thinking to Education: The RISE Systems Framework. Research on Improving Systems of Education (RISE), maggio 2021. http://dx.doi.org/10.35489/bsg-rise-ri_2021/028.

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Many education systems in low- and middle-income countries are experiencing a learning crisis. Many efforts to address this crisis do not account for the system features of education, meaning that they fail to consider the ways that interactions and feedback loops produce outcomes. Thinking through the feedback relationships that produce the education system can be challenging. The RISE Education Systems Framework, which is sufficiently structured to give boundaries to the analysis but sufficiently flexible to be adapted to multiple scenarios, can be helpful. The RISE Framework identifies four key relationships in an education system: politics, compact, management, and voice and choice; and five features that can be used to describe these relationships: delegation, finance, information, support, and motivation. This Framework can be a useful approach for characterising the key actors and interactions in the education system, thinking through how these interactions produce systems outcomes, and identifying ways to intervene that can shift the system towards better outcomes.

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Pandya, Tara, Rike Bostelmann, Matthew Jessee, Tarek Ghaddar, Philip Britt e Seth Johnson. Modeling, Performance Assessment, and Nodal Data Analysis of TRISO-Fueled Systems with Shift. Office of Scientific and Technical Information (OSTI), ottobre 2022. http://dx.doi.org/10.2172/1905392.

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Fang, Mei Lan, Judith Sixsmith, Jacqui Morris, Chris Lim, Morris Altman, Hannah Loret, Rayna Rogowsky, Andrew Sixsmith, Rebecca White e Taiuani Marquine Raymundo. AgeTech, Ethics and Equity: Towards a Cultural Shift in AgeTech Ethical Responsibility. University of Dundee, 2023. http://dx.doi.org/10.20933/100001292.

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Population ageing is a global phenomenon which presents major challenges for the provision of care at home and in the community (ONS, 2018). Challenges include the human and economic costs associated with increasing numbers of older people with poor physical and mental health, loneliness, and isolation challenges (Mihalopoulos et al., 2020). The global ageing population has led to a growth in the development of technology designed to improve the health, well-being, independence, and quality of life of older people across various settings (Fang, 2022). This emerging field, known as “AgeTech,” refers to “the use of advanced technologies such as information and communications technologies (ICT’s), technologies related to e-health, robotics, mobile technologies, artificial intelligence (AI), ambient systems, and pervasive computing to drive technology-based innovation to benefit older adults” (Sixsmith, et al., 2020 p1; see also Pruchno, 2019; Sixsmith, Sixsmith, Fang, and Horst, 2020). AgeTech has the potential to contribute in positive ways to the everyday life and care of older people by improving access to services and social supports, increasing safety and community inclusion; increasing independence and health, as well as reducing the impact of disability and cognitive decline for older people (Sixsmith et al, 2020). At a societal level, AgeTech can provide opportunities for entrepreneurs and businesses (where funding and appropriate models exist) (Akpan, Udoh and Adebisi, 2022), reduce the human and financial cost of care (Mihalopoulos et al., 2020), and support ageing well in the right place (Golant, 2015).

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Waisel, Yoav, Bobbie McMichael e Amram Eshel. Decision Making within Plant Root Systems. United States Department of Agriculture, marzo 1996. http://dx.doi.org/10.32747/1996.7613030.bard.

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Architecture of a root system is the expression of the potential of various root types to branch, to grow and to coordinate with other plant organs, under the specific limitations of the environmental conditions. The present investigation has proven the following points. 1) Genotypes with different types of root systems were identified. The growth patterns of their roots and the distribution of laterals along their main axes were recorded. 2) The patterns of development of the root systems of four cotton genotypes, throughout the entire life cycle of the plants, were described, even at such a late stage of development when the total length of the roots exceeded two kilometers. To the best of our knowledge, this is the first time that an analysis of this type is accomplished. 3) The development of root systems under restrictive soil conditions were compared with those that have developed under the non-restrictive conditions of aeroponics. Results indicate that in the absence of the mechanical impedance of the soil, cotton plants develop single roots that reach the length of 6 m, and have a total root length of 2000 m. Thus, root growth is strongly inhibited by the soil, with some root types being inhibited more than others. 4) One of the important decisions, in constructing an operational root system architecture of mature plants, is the shift of the balance between various root fractions in favor of the very fine roots. 5) Root system architecture is determined, in part, by the sites of initiation of the lateral roots. This is determined genetically by the number of xylem archs and by the totuosity of the stele. Selection for such traits should be sought.

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Wallgren, Anders, e Britt Wallgren. Toward an Integrated Statistical System Based on Registers. Inter-American Development Bank, aprile 2021. http://dx.doi.org/10.18235/0003204.

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This note describes how Latin American and Caribbean countries can join a revolution in statistical systems, moving from data collection based on geographic frames to one based on administrative registers, and the advantages of making this change. Northern European countries have already shifted from a traditional area frame-based statistical system to a register-based system, in which all surveys are based on statistical registers. Among the key advantages of the shift are: i) lower production costs; ii) potential for higher levels of geographic disaggregation and greater frequency; and iii) reduce the burden on informants by following the maxim of “ask once, use many times”. Evidence from Colombia, Ecuador, Mexico, and Peru points to the viability of this transition in the region. However, to take better advantage of the new strategy, countries should invest to improve the quality and coverage of their administrative systems and should create an integrated register system, allowing for efficient data use, and ensuring consistency and coherence across statistical registries.

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Owili, Jackie, Katherine Pittore e Eunice Likoko. Multi-stakeholder platforms (MSPs) and food systems policies in Bangladesh, Ethiopia, Nigeria and Vietnam : mapping of MSPs and policies to promote a shift towards a food system framing for healthier diets. Wageningen: Wageningen Centre for Development Innovation, 2021. http://dx.doi.org/10.18174/549177.

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Voisin, Nathalie, Andrew Bennett, Yilin Fang, Grey Nearing, Bart Nijssen e Yuhan Rao. A science paradigm shift is needed for Earth and Environmental Systems Sciences (EESS) to integrate Knowledge-Guided Artificial Intelligence (KGAI) and lead new EESS-KGAI theories. Office of Scientific and Technical Information (OSTI), aprile 2021. http://dx.doi.org/10.2172/1769651.

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Hillier, Lucy. People-driven Solutions: An Introduction to Facilitating Deep Participation for Systemic Change Through Systemic Action Research Programming. Institute of Development Studies, giugno 2024. http://dx.doi.org/10.19088/clarissa.2024.040.

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CLARISSA evidence builds upon an existing body of evidence (Burns, 2014; Howard et al., 2021) around deeply participatory processes, where children and adults are given significant decision-making power, and supported to collect data, analyse, and take action in order to shift system dynamics to improve their lives. Critical factors within a process of whole systems change are facilitating child- and people-driven evidence generation; participatory learning and action processes around underlying system dynamics and how they drive a problem; and a high level of collective ownership by participants. These critical factors can be enabled through a facilitation approach, inclusive participation, collective problem-solving, and by giving more decision-making power to children and adult stakeholders by considering them as agents of change. The purpose of this resource is to introduce development and humanitarian organisations and their teams to a programme approach and methodology which can enable deeply participatory, learning- and action-oriented, whole systems change. It is written with the understanding that while most development and humanitarian organisations and programmes are not set up to ‘do research’, this does not mean that they cannot start to use the principles of a Systemic Action Research approach to enhance their work. This resource can help demystify the perception that robust, participatory, child- and people-led Action Research is more difficult or not possible; only relevant for monitoring, evaluation and learning teams; or that the methods are too technical for most practitioners or local participants.

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