Bibliografie tematiche / Inertia

Letteratura scientifica selezionata sul tema "Inertia"

Autore: Grafiati
Pubblicato: 4 giugno 2021
Ultima modifica: 21 febbraio 2023

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Articoli di riviste sul tema "Inertia"

1

Sun, Ning, Jin Wang e Fang Hua Lei. "A New Method to Measure Inertial Parameters of Rigid Body Based on Energy Decay Theory". Advanced Materials Research 146-147 (ottobre 2010): 151–55. http://dx.doi.org/10.4028/www.scientific.net/amr.146-147.151.

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Most measuring methods used now can only measure the rigid body’s six inertial parameters like the moment of inertia, the product of inertia and the centre of inertia toward to two-dimensional reference system. So a new method which can measure all the nine inertial parameters toward to three-dimensional reference system is proposed. The moment of inertia of object rotating the axis is obtained by energy decay method. Through using the translation and rotation transformation theory of product of inertia, the formula of moment of inertia including the information of product of inertia and centre of inertia is deduced. Then equations are built to solve all the parameters. Furthermore, a measuring instrument is designed based on the aerostatic bearing. Results show that this new method is available and by analyzing the experimental data, suggestions are made to improve this measuring method.
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2

Li, Zhiyong, Rui Cui, Li Li, Yingli Hu e Ruwan Ranasinghe. "Inertia Stages and Tourists' Behavior". International Journal of Tourism and Hospitality Management in the Digital Age 2, n. 1 (gennaio 2018): 1–17. http://dx.doi.org/10.4018/ijthmda.2018010101.

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This article integrates the concept of inertia into a tourism context to understand how repeat visitors act and make revisit decisions. Moderating effect of zone of tolerance (ZOT), switching barriers (SWI) and external opportunity (OPP) on the sequential development of inertial behavior was analyzed through 518 tourists. Findings confirm that cognitive inertia (COGI) and affective inertia (AFFI) are significantly and positively related to conative inertia (CONI), while conative inertia also has a direct effect on determining action inertia (ACTI). The tests of moderating effects of zone of tolerance, switching barriers and external opportunity on the sequential development of inertial behavior show these variables have a significant moderating effect on the sequential development of inertia, except for the relation between switching barriers and affective inertia acting together, and conative inertia. These findings provide valuable insights that enable one to understand tourists' revisit behaviors. Theoretical and empirical implications are discussed, for the purpose of advancing tourism marketing discourse.
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3

Riggs, Peter J. "Inertia and inertial resistance in the Special Theory of Relativity". Canadian Journal of Physics 99, n. 9 (settembre 2021): 795–98. http://dx.doi.org/10.1139/cjp-2021-0087.

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A broader concept of “resistance to acceleration” than used in classical dynamics, called “inertial resistance”, is quantified for both inertial and non-inertial relativistic motion. Special Relativity shows that inertial resistance is more than particle inertia and originates from Minkowski spacetime structure. Current mainstream explanations of inertia do not take inertial resistance into account and are, therefore, incomplete.
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Mujcinagic, Alija, Mirza Kusljugic e Emir Nukic. "Wind Inertial Response Based on the Center of Inertia Frequency of a Control Area". Energies 13, n. 23 (24 novembre 2020): 6177. http://dx.doi.org/10.3390/en13236177.

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As a result of the increased integration of power converter-connected variable speed wind generators (VSWG), which do not provide rotational inertia, concerns about the frequency stability of interconnected power systems permanently arise. If the inertia of a power system is insufficient, wind power plants’ participation in the inertial response should be required. A trendy solution for the frequency stability improvement in low inertia systems is based on utilizing so-called “synthetic” or “virtual” inertia from modern VSWG. This paper presents a control scheme for the virtual inertia response of wind power plants based on the center of inertia (COI) frequency of a control area. The PSS/E user written wind inertial controller based on COI frequency is developed using FORTRAN. The efficiency of the controller is tested and applied to the real interconnected power system of Southeast Europe. The performed simulations show certain conceptual advantages of the proposed controller in comparison to traditional schemes that use the local frequency to trigger the wind inertial response. The frequency response metrics, COI frequency calculation and graphical plots are obtained using Python.
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5

Thiesen, Henning. "Power System Inertia Dispatch Modelling in Future German Power Systems: A System Cost Evaluation". Applied Sciences 12, n. 16 (21 agosto 2022): 8364. http://dx.doi.org/10.3390/app12168364.

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Increasing the share of grid frequency converter-connected renewables reduces power system inertia, which is crucial for grid frequency stability. However, this development is insufficiently covered by energy system modelling and analysis as well as related scientific literature. Additionally, only synchronous inertia from fossil fuel-emitting power plants is represented, although renewable generators are a source of synthetic inertia, thus resulting in increased must-run capacities, CO2 emissions and system costs. The work at hands adds an analysis of the future German power system considering sufficient inertia to the literature. Therefore, results of an novel open-source energy system model are analysed. The model depicts minimum system inertia constraints as well as wind turbines and battery storage systems as a carbon-dioxide-free source for a synthetic inertial response. Results indicate that integrating system inertia constraints in energy system models has a high impact on indicators such as system costs. Especially when investments in additional storage units providing an inertial response are necessary. With respect to researched scenarios, system cost increases range from 1% up to 23%. The incremental costs for providing additional inertia varies between 0.002 EURO/kg·m2 and 0.61 EURO/kg·m2.
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Li, Yang, Zhichuan Zhu, Alin Hou, Qingdong Zhao, Liwei Liu e Lijuan Zhang. "Pulmonary Nodule Recognition Based on Multiple Kernel Learning Support Vector Machine-PSO". Computational and Mathematical Methods in Medicine 2018 (2018): 1–10. http://dx.doi.org/10.1155/2018/1461470.

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Pulmonary nodule recognition is the core module of lung CAD. The Support Vector Machine (SVM) algorithm has been widely used in pulmonary nodule recognition, and the algorithm of Multiple Kernel Learning Support Vector Machine (MKL-SVM) has achieved good results therein. Based on grid search, however, the MKL-SVM algorithm needs long optimization time in course of parameter optimization; also its identification accuracy depends on the fineness of grid. In the paper, swarm intelligence is introduced and the Particle Swarm Optimization (PSO) is combined with MKL-SVM algorithm to be MKL-SVM-PSO algorithm so as to realize global optimization of parameters rapidly. In order to obtain the global optimal solution, different inertia weights such as constant inertia weight, linear inertia weight, and nonlinear inertia weight are applied to pulmonary nodules recognition. The experimental results show that the model training time of the proposed MKL-SVM-PSO algorithm is only 1/7 of the training time of the MKL-SVM grid search algorithm, achieving better recognition effect. Moreover, Euclidean norm of normalized error vector is proposed to measure the proximity between the average fitness curve and the optimal fitness curve after convergence. Through statistical analysis of the average of 20 times operation results with different inertial weights, it can be seen that the dynamic inertial weight is superior to the constant inertia weight in the MKL-SVM-PSO algorithm. In the dynamic inertial weight algorithm, the parameter optimization time of nonlinear inertia weight is shorter; the average fitness value after convergence is much closer to the optimal fitness value, which is better than the linear inertial weight. Besides, a better nonlinear inertial weight is verified.
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7

Sun, Ling, Peng Yu e Tong Zhang. "Measurement Method Research on Inertial Parameters of Motor Assembly". Applied Mechanics and Materials 437 (ottobre 2013): 663–68. http://dx.doi.org/10.4028/www.scientific.net/amm.437.663.

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Inertial parameters of the motor assembly include its mass, CM (center of mass) position, moment of inertia and product of inertia. Taking one vehicle drive motor as the research object, its mass and CM position are measured by using weight method and moment balance method respectively. Its moment of inertia and product of inertia are measured by using three-wire pendulum. On the basis of analyzing the test error, this paper proposed specific measures to reduce the test error.
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8

Xu, Chenglong, Liang Cheng e Huimin Qian. "Virtual Inertia Control of Wind Turbine Based on Model Predictive Control". Journal of Physics: Conference Series 2310, n. 1 (1 ottobre 2022): 012092. http://dx.doi.org/10.1088/1742-6596/2310/1/012092.

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Abstract A useful method for system frequency adjustment of wind turbines is theoretical inertia control. The classic PD theoretical inertia control has difficulty in parameter setting, and does not provide useful inertial support for the system on a case-by-case basis. Therefore, a theoretical inertia control way for wind turbines on account of Model Predictive Control (MPC) is proposed, which provides inertia support when frequency events occur. To confirm the availability of the proposed control method, MATLAB/Simulink® software was employed for system modeling and simulation. The simulation consequences demonstrate that when the system is disturbed by the load, the proposed MPC theoretical inertia control has better robustness and frequency stability than PD theoretical inertia control.
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9

Berg, C., e J. Rayner. "The moment of inertia of bird wings and the inertial power requirement for flapping flight". Journal of Experimental Biology 198, n. 8 (1 gennaio 1995): 1655–64. http://dx.doi.org/10.1242/jeb.198.8.1655.

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The agility and manoeuvrability of a flying animal and the inertial power required to flap the wings are related to the moment of inertia of the wings. The moments of inertia of the wings of 29 bird species and three bat species were determined using wing strip analysis. We also measured wing length, wing span, wing area, wing mass and body mass. A strong correlation (r2=0.997) was found between the moment of inertia and the product of wing mass and the square of wing length. Using this relationship, it was found that all birds that use their wings for underwater flight had a higher than average moment of inertia. Assuming sinusoidal wing movement, the inertial power requirement was found to be proportional to (body mass)0.799, an exponent close to literature values for both metabolic power output and minimum power required for flight. Ignoring wing retraction, a fairly approximate estimate showed that the inertial power required is 11­15 % of the minimum flight power. If the kinetic energy of the wings is partly converted into aerodynamic (useful) work at stroke reversal, the power loss due to inertial effects may be smaller.
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Martínez Aranda, Luis Manuel, e Rodrigo Fernández Gonzalo. "Comparación de dos dispositivos de medición de potencia y trabajo durante ejercicio de fuerza con tecnología inercial flywheel (Comparison of two power and work data acquisition systems during resistance exercise employing flywheel inertial technology)". Retos, n. 29 (18 dicembre 2015): 144–48. http://dx.doi.org/10.47197/retos.v0i29.41308.

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El objetivo del presente estudio fue comparar los valores de potencia y trabajo obtenidos en tiempo real mediante los sistemas BlueBrainTM y SmartCoachTM, durante ejercicio de fuerza en una prensa de piernas equipada con tecnología inercial flywheel, usando diferentes inercias (cargas). Se realizaron ocho series de siete repeticiones a intensidades variable y máxima, con dos minutos de descanso entre series, para cada inercia utilizada en el protocolo: 0.0125; 0.025; 0.0375; 0.05; 0.0625 y 0.075 kg*m², midiendo simultáneamente la potencia media concéntrica y el trabajo total (concéntrico-excéntrico) con ambos dispositivos. Los datos fueron analizados mediante un análisis de regresión lineal y un estudio de correlación. Se observó una correlación altamente significativa en los datos de potencia media entre ambos dispositivos en todas las inercias e intensidades evaluadas, tanto a nivel individual como global, (r=.968; Sig.(bilateral)=.000; R2=.937). De la misma forma, los datos de trabajo correlacionaron de forma muy significativa (r=.978; Sig.(bilateral)=.000; R2=.957). Las diferencias de registro entre ambos dispositivos oscilaron en un rango de 2.6-4.3 %. Dado el alto grado de significación en las correlaciones analizadas para potencia y trabajo, todo parece indicar que ambos dispositivos se muestran como instrumentos válidos y similares para estimar la potencia y el trabajo durante ejercicios de fuerza con tecnología inercial, siendo de gran ayuda para el seguimiento y control del entrenamiento usando esta tecnología.Abstract. The aim of this study was to compare real-time values of power and work obtained through BlueBrainTM and SmartCoachTM systems during flywheel leg press exercise using different inertias (loads). Eight sets of seven repetitions were performed at variable and maximum intensity for each inertia used (i.e. 0.0125; 0.025; 0.0375; 0.05; 0.0625 and 0.075 kg*m2), with 2 minutes recovery between sets. Average power during concentric actions and total work (concentric-eccentric) were measured simultaneously using both systems. Data were analysed using a linear regression analysis and correlation procedures. Strong significant correlations were observed in average power results between both data acquisition systems for all individual inertias and intensities evaluated, as well as for overall data (r=.968; Sig.(2-tailed)=.000; R2=.937). In addition, work values showed clear significant correlations (r=.978; Sig.(2-tailed)=.000; R2=.957). Differences between devices oscillated over a range of 2.6-4.3%. The strong correlations found in power and work values seem to indicate that both data acquisition systems are similar and valid to estimate power and work during resistance exercises employing flywheel inertial technology. Thus, both devices may represent a helpful tool to control and follow up training using flywheel technology.
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Tesi sul tema "Inertia"

1

Townsend, William A. "Inertia-gravity waves beyond the inertial latitude". Thesis, Keele University, 2010. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.534319.

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Norman, Thomas. "Evolution under inertia". Thesis, University of Oxford, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.275759.

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3

Carvalho, André Roncaglia de. "The conceptual evolution of inflation inertia in Brazil". Universidade de São Paulo, 2015. http://www.teses.usp.br/teses/disponiveis/12/12140/tde-30092015-161420/.

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This work aims to contribute to the wider body of research in history of economics in Brazil by focusing on the conceptual evolution of inflation inertia. Its motivation lies in the conceptual gap that appeared, following disinflation in 1994, between the stabilization debates carried out in the 1980s and the way economists in Brazil began to describe downwardly rigid inflation patterns from the 1990s onwards. More precisely, we explore the \"inertial inflation episode\" as a chapter in a longer tradition of adaptations, to country-specific realities, of theoretical influences coming from the economics profession at the international level, in the late 1970s, when the inertial inflation hypothesis was brought to the fore. Our narrative reveals that this stubborn inflationary phenomenon had been previously dealt with in the debates in Latin America about growth and inflation back in the 1950s and 1960s, where a host of contributions sprung from various traditions, which were gradually synthesized by the saw-tooth model of real wages, also known as Simonsen-Pazos mechanism. We analyze the recurrent opposition between a monetarist- and a heterodox structuralist-type of thinking in their two rounds, in the 1950s and again in the 1980s. The connection between these two opposing schools is operated by the contributions by Mario Henrique Simonsen and the self-declared neo-structuralist economists at PUC-Rio. Based on a careful and detailed analysis of the latter\'s modeling strategies and conclusions, we show that, along the 1980s, these economists gradually shift towards a more ecumenical approach, inviting monetarist elements into their analyses while downplaying the relevance of the inertial component. Finally, when the 1990s came, the rise of a macroeconomic consensus began to conceptualize \"inflation inertia\" as the time delay between a real or monetary shock and the response by price level changes, leaving the concept of \"inflation persistence\" to account for the deviations of inflation away from its equilibrium value, a view that undergirds how most Brazilian economists now understand this phenomenon. We assess how \"inflation inertia\" has been understood in the aftermath of the monetary reform in Brazil in 1994, by analyzing the backstage papers that circulated within the economic team in charge of the Real Plan. We conclude that there are elements of continuity between the two rounds as regards the concept of inertia, but that they are now stripped of their previous dense historical and institutional substance.
O presente trabalho busca contribuir para a literatura de história do pensamento econômico brasileiro, ao estudar a transformação do conceito de inércia inflacionária no Brasil desde os debates sobre estabilização na década de 1980 até o período pós-Real, mudança essa que permanece inexplicada pela literatura. Mais precisamente, o trabalho busca verificar a hipótese de que a inflação inercial não passou de um episódio de uma longa tradição de adaptações teóricas de influências oriundas de economistas estrangeiros, em especial na década de 1970, quando a hipótese de uma inflação inercial foi levantada. Nossa narrativa revela que o fenômeno da rigidez inflacionária já havia sido previamente compreendido e teorizado nos debates na América Latina, nas décadas de 1950 e 1960, quando inúmeras contribuições foram eventualmente sintentizadas no modelo de rendas contratuais sob inflação no formato de \"dente-de-serra\", ou o assim chamado mecanismo Simonsen-Pazos. A narrativa adota a controvérsia entre monetaristas e estruturalistas em seus dois momentos como eixo da análise, para mostrar como o desaparecimento dessa oposição coincide com a emergência do consenso macroeconômico em escala internacional. Baseando-se em uma análise cuidadosa e detalhada das contribuições dos economistas neo-estruturalistas da PUC-Rio e da onipresente influência de Simonsen como um sintetizador das contenciosas escolas, o trabalho apresenta evidências documentais de uma transformação estruturalista da segunda geração. Ao longo dos anos 1980, esses economistas gradualmente convergiram para uma abordagem mais ecumênica com relação aos monetaristas, reduzindo a importância do componente inercial da inflação e ampliando a relevância de aspectos usualmente associados à ortodoxia econômica. Finalmente, no período pós-Real, passa a predominar no país um conceito de inércia inflacionária que constrasta com a visão anterior dos economistas atuando no referido plano de estabilização. Esse novo conceito está associado à emergência da \"nova síntese neoclássica\", na qual a inércia é compreendida como o atraso na resposta dos níveis de preço a choques monetários ou reais, enquanto o conceito de persistência inflacionária representa desvios duradouros da inflação com relação ao seu nível de equilíbrio. Para compreender se essa mudança pode ser considerada uma ruptura com relação ao passado, analisam-se os artigos que circularam nos bastidores do Plano Real dentro da equipe econômica. Nosso trabalho conclui que há elementos de continuidade entre os dois momentos no que se refere ao conceito de inércia, os quais aparecem agora com uma representação analítica desprovida da substância histórica e institucional que o conceito outrora abarcava.
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4

Kinderknecht, Kelsy. "Sleep Inertia in Children". The Ohio State University, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=osu1366335599.

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McGarry, Joshua Elwood. "Small parts inertia tester". The Ohio State University, 2004. http://rave.ohiolink.edu/etdc/view?acc_num=osu1413447952.

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LAZOR, DANIEL R. Jr. "CONSIDERATIONS FOR USING THE DYNAMIC INERTIA METHOD IN ESTIMATING RIGID BODY INERTIA PROPERTY". University of Cincinnati / OhioLINK, 2004. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1093047356.

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Knox, Eleanor. "Geometry, inertia and spacetime structure". Thesis, University of Oxford, 2010. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.527342.

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Kutluay, Emir. "Identification Of Inertia Tensor Of Vehicles". Master's thesis, METU, 2007. http://etd.lib.metu.edu.tr/upload/3/12608796/index.pdf.

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The aim of this thesis is to develop a methodology for obtaining mass properties of a vehicle using specific test rig. Investigated mass properties are the mass, location of center of gravity and the inertia tensor. Accurate measurement of mass properties of vehicles is crucial for vehicle dynamics research. The test rig consists of a frame on which the vehicle is fixed and which is suspended from the ceiling of the laboratory using steel cables. Mass and location of center of gravity are measured using the data from the test rig in equilibrium position and basic static equations. Inertia tensor is measured using the data from dynamical response of the system. For this purpose an identification routine which employs prediction error method is developed using the built&ndash
in functions from the System Identification Toolbox of MATLAB®
. The experiment was also simulated using Simmechanics Toolbox of MATLAB®
. Identification code is verified using the results of the experiment simulations for various cases.
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Flitton, Jonathan C. "Inertia dominated spreading of thin films". Thesis, University of Nottingham, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.369039.

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Hameury, Stéphane. "The hygrothermal inertia of massive timber connstructions". Doctoral thesis, KTH, Byggvetenskap, 2006. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-4200.

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The work presented in this Doctoral dissertation concerns the ability of heavy timber structures to passively reduce the fluctuations of the indoor temperature and of the indoor relative humidity, through the dynamic process of heat and moisture storage in wood. We make the hypothesis that the potential offered by the hygrothermal inertia of heavy timber structures is significant, and that it could provide a passive way of regulating the indoor climate. This ultimately could results in a decrease of the energy demand from the Heating, Ventilating and Air Conditioning systems. In this Thesis, the author tries to characterise and quantify the significance of the hygrothermal inertia providing by the heavy timber constructions. The experimental studies contain an in-situ measurement campaign carried out at the Vetenskapsstaden building located in Stockholm and erected in 2001. The results from the test campaign show that a heavy timber construction may contribute to buffer the indoor temperature. A direct quantification of the moisture stored in the wood structure is measured regarding the year-to-year indoor humidity fluctuations. It was however hardly possible to directly quantify the moisture storage potential offered by the structure regarding the day-to-day indoor relative humidity fluctuations because of the low sensitivity of the measuring technique used. In regard to the limitations noticed during the in-situ measurements, laboratory measurements were launched to develop new methods to determine the day-to-day hygric performances of wood exposed indoor. A new method based on the Magnetic Resonance Imaging technology was developed and is intended to provide information about the Moisture Buffer Value measured according to a NORDTEST protocol, and about the moisture distribution in wood with high spatial resolution. The Moisture Buffer Value of untreated Scots pine measured with this method is in accordance with the gravimetric method provided by the NORDTEST protocol. The Moisture Buffer Value of coated Scots pine was also investigated and it is normally assumed that any coatings will decrease the Moisture Buffering Capacity of the structure. The results show however that for specific coating such as waterborne alkali silicate coating, the Moisture Buffering Capacity of the structure may on the contrary be improved. At last, numerical simulations were carried out. They were based upon the extension of a modular simulation environment IDA ICE 3.0, with the implementation of a specific model for heat and moisture transport in a wood. The results obtained pinpoint the highly synergetic effects between the indoor moisture loads, the ventilation rate, the outdoor climate and the moisture interactions with the structure. The outcomes also show that the Moisture Buffering Capacity of a heavy timber structure is appreciable. The structure is able to even out substantially the day-to-day indoor relative humidity fluctuations for a certain range of ventilation rate.
QC 20100825
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Libri sul tema "Inertia"

1

Inertia. Manchester Center, VT: Shires Press, 2013.

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Virilio, Paul. Polar inertia. London: Sage, 2000.

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Kachru, Kapil. Negligible Inertia. Calcutta: Writers Workshop, 2002.

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4

Reach, Gérard. Clinical Inertia. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-09882-1.

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5

Ciufolini, Ignazio. Gravitation and inertia. Princeton, N.J: Princeton University Press, 1995.

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Ciufolini, Ignazio. Gravitation and inertia. Princeton,N.J: Princeton University Press, 1995.

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Pfister, Herbert, e Markus King. Inertia and Gravitation. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-15036-9.

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Takahashi, Yasufumi. Yasufumi Takahashi: Injurious inertia. Lethbridge: Southern Alberta Art Gallery, 1999.

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9

Michael, Woodford. Optimal monetary policy inertia. Cambridge, MA: National Bureau of Economic Research, 1999.

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Ferronsky, V. I. Gravitation, Inertia and Weightlessness. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-32291-9.

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Capitoli di libri sul tema "Inertia"

1

Ahrens, Caitlin. "Inertia, Inertial Frame". In Encyclopedia of Lunar Science, 1–3. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-319-05546-6_186-1.

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2

Billingsley, John. "Inertia". In Essentials of Dynamics and Vibrations, 31–56. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-56517-0_4.

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Weik, Martin H. "inertia". In Computer Science and Communications Dictionary, 771. Boston, MA: Springer US, 2000. http://dx.doi.org/10.1007/1-4020-0613-6_8891.

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Tocaci, Emil. "Inertia". In Relativistic Mechanics, Time and Inertia, 166–251. Dordrecht: Springer Netherlands, 1985. http://dx.doi.org/10.1007/978-94-009-6406-8_3.

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Gooch, Jan W. "Inertia". In Encyclopedic Dictionary of Polymers, 387. New York, NY: Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-6247-8_6290.

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Reach, Gérard. "Introduction". In Clinical Inertia, 1–4. Cham: Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-09882-1_1.

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Reach, Gérard. "Definitions". In Clinical Inertia, 5–12. Cham: Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-09882-1_2.

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Reach, Gérard. "The Evidence: The Gap Between Guidelines guidelines and Clinical Reality". In Clinical Inertia, 13–30. Cham: Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-09882-1_3.

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Reach, Gérard. "Determinants and Explanatory Models of Clinical Inertia". In Clinical Inertia, 31–44. Cham: Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-09882-1_4.

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Reach, Gérard. "The Physician and Evidence-Based Medicine". In Clinical Inertia, 45–71. Cham: Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-09882-1_5.

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Atti di convegni sul tema "Inertia"

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Barrett, R. C., E. J. Selker, J. D. Rutledge e R. S. Olyha. "Negative inertia". In Conference companion. New York, New York, USA: ACM Press, 1995. http://dx.doi.org/10.1145/223355.223692.

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Cui, Yue, Jiandong Xie e Kai Zheng. "Historical Inertia". In CIKM '21: The 30th ACM International Conference on Information and Knowledge Management. New York, NY, USA: ACM, 2021. http://dx.doi.org/10.1145/3459637.3482120.

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Laliberté, Thierry, e Clément Gosselin. "Dynamic Balancing of Two-DOF Parallel Mechanisms Using a Counter-Mechanism". In ASME 2013 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/detc2013-12107.

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Abstract (sommario):
Dynamic balancing generally involves the static balancing of a mechanism using countermasses followed by the dynamic balancing of the inertia using counter-rotations. This approach requires that the statically balanced mechanism have a constant inertia for any configuration. Two of the main drawbacks of dynamic balancing are a significant increase in mass and actuation inertia. In this paper, static balancing strategies are optimized regarding the addition of mass and actuation inertia using Lagrange multipliers. The results are optimal mass-inertia curves which are akin to Pareto curves. Optimal static balancing rules are obtained and a comparison of balancing strategies shows that relaxing the constant inertia constraint may significantly reduce the total mass and actuation inertia. Then, a counter-mechanism is introduced in order to dynamically balance a mechanism with variable inertia. The conditions for which the counter-mechanism matches the inertia of the main mechanism for any configuration are derived. The significant influence of the radius of gyration of the counter-inertias on the optimal mass-inertia curves is revealed. Additionally, the advantages of counter-mechanisms over counter-rotations are demonstrated. Finally, examples of dynamically balanced mechanisms and a prototype are presented in order to illustrate the concepts.
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Sacristan, Javier, Naiara Goni, Alberto Berrueta, Jesus Lopez, Jose Luis Rodriguez, Alfredo Ursua e Pablo Sanchis. "Inertial Response and Inertia Emulation in DFIG and PMSG Wind Turbines: Emulating Inertia from a Supercapacitor-based Energy Storage System". In 2021 IEEE International Conference on Environment and Electrical Engineering and 2021 IEEE Industrial and Commercial Power Systems Europe (EEEIC / I&CPS Europe). IEEE, 2021. http://dx.doi.org/10.1109/eeeic/icpseurope51590.2021.9584753.

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Sungyoon Jung, Jinseok Hong e Kwanghee Nam. "A programmable motor inertia changing scheme by utilizing virtual inertia". In 2008 IEEE Power Electronics Specialists Conference - PESC 2008. IEEE, 2008. http://dx.doi.org/10.1109/pesc.2008.4592072.

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Al-Qaisia, Ahmad A. "Non-Linear Free Vibrations of a Rotating Beam Carrying a Tip Mass With Rotary Inertia". In ASME 2002 Pressure Vessels and Piping Conference. ASMEDC, 2002. http://dx.doi.org/10.1115/pvp2002-1510.

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Abstract (sommario):
The non-linear, for each of the first three modes, of planar, large amplitude flexural free vibrations of a beam clamped with an angle to a rigid rotating hub and carrying a tip mass with rotary inertia are investigated. The shear deformation and rotary inertia effects are assumed to be negligible, but account is taken of axial inertia, non-linear curvature and the inextensibility condition. The Lagrangian dynamics in conjunction with the assumed mode method, assuming constant hub rotation speed, is utilized in deriving the non-linear unimodal temporal problem. The time transformation method is employed to obtain an approximate solution to the frequency-amplitude relation of the beam-mass free vibration, since the order of the nonlinear terms is not small which includes static and inertial geometric stiffening as well as inertial softening terms. Results in non-dimensional form are presented graphically, for the effect beam root-attachment angle, hub radius and the attached inertia element ratio on the variation of the natural frequency with vibration amplitude.
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Dresscher, Douwe, Theo J. A. de Vries e Stefano Stramigioli. "Inertia-Driven Controlled Passive Actuation". In ASME 2015 Dynamic Systems and Control Conference. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/dscc2015-9786.

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A serious problem with using electrical actuators in legged locomotion is the significant energy loss. For this reason, we propose and analyse an alternative means of actuation: Controlled Passive Actuation. Controlled Passive Actuation aims at reducing the energy flow through electric actuators by actuating with a combination of an energy storage element and a Continuously Variable Transmission. In this work, we present a method where we apply a Continuously Variable Transmission with a storage element in the form of a mass to change the state of another mass (“the load”). An abstraction layer is created to abstract the inertia-driven Controlled Passive Actuation to a source of effort, a force actuator. On this abstracted system, feedback control can be applied to achieve control goals such as path tracking. With simulations and experiments, we show that inertia-driven Controlled Passive Actuation can be used to control the state of an (inertial) load. The experimental results show that the performance of the system is affected by the internal dynamics and limited rate of change of the transmission ratio of the Continuously Variable Transmission.
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Brogan, Paul V., Robert Best, D. John Morrow, Amir Alikhanzadeh e Marek Kubik. "Per Unit Displacement of Synchronous Inertia With BESS Synthetic Inertia Devices". In 2018 IEEE Power & Energy Society General Meeting (PESGM). IEEE, 2018. http://dx.doi.org/10.1109/pesgm.2018.8586323.

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Liu, Yifeng, Qingsheng Zhao e Dingkang Liang. "Inertia Characteristic Analysis and Inertia Estimation of New Energy Power System". In 2022 IEEE/IAS Industrial and Commercial Power System Asia (I&CPS Asia). IEEE, 2022. http://dx.doi.org/10.1109/icpsasia55496.2022.9949746.

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Aluko, Anuoluwapo O., David G. Dorrell e Evans E. Ojo. "Inertia Emulation in Low Inertia Power Systems Considering Frequency Measurement Effects". In 2021 International Conference on Electrical, Computer and Energy Technologies (ICECET). IEEE, 2021. http://dx.doi.org/10.1109/icecet52533.2021.9698697.

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Rapporti di organizzazioni sul tema "Inertia"

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Woodford, Michael. Optimal Monetary Policy Inertia. Cambridge, MA: National Bureau of Economic Research, luglio 1999. http://dx.doi.org/10.3386/w7261.

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Брошко, Євгеній Олегович. Variability of Structural and Biomechanical Prameters of Pelophylax esculentus (Amphibia, Anura) Limb Bones. Vestnik zoologii, 2014. http://dx.doi.org/10.31812/0564/1529.

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Abstract (sommario):
Structural and biomechanical parameters of Edible Frog, Pelophylax esculentus (Linnaeus, 1758), limb bones, namely, mass, linear dimensions, parameters of the shaft ’s cross-sectional shape (cross-sectional area, moments of inertia, radiuses of inertia) were investigated. Some coeffi cients were also estimated: diameters ratio (df/ds), cross-sectional index (ik), principal moments of inertia ratio (Imax/Imin). Coeffi cients of variation of linear dimensions (11.9–20.0 %) and relative bone mass (22–35 %) were established. Moments of inertia of various bones are more variable (CV = 41.67–56.35 %) in relation to radii of inertia (CV = 9.68–14.67 %). Shaft ’s cross-sectional shape is invariable in all cases. However, there is high individual variability of structural and biomechanical parameters of P. esculentus limb bones. Variability of parameters was limited by the certain range.We suggest the presence of stable norm in bone structure. Stylopodium bones have the primary biomechanical function among the elements of limb skeleton, because their parameters most clearly responsiveto changes in body mass.
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Bullard, James, e Kaushik Mitra. Determinacy, Learnability, and Monetary Policy Inertia. Federal Reserve Bank of St. Louis, 2000. http://dx.doi.org/10.20955/wp.2000.030.

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Gill, Philip E., Walter Murray, Michael A. Saunders e Margaret H. Wright. Inertia-Controlling Methods for Quadratic Programming. Fort Belvoir, VA: Defense Technical Information Center, novembre 1988. http://dx.doi.org/10.21236/ada204664.

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DiPeso, Gregory. HEMP Modification from Secondary Electron Inertia. Office of Scientific and Technical Information (OSTI), aprile 2018. http://dx.doi.org/10.2172/1438684.

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Signal, Tracey L., Philippa Gander, Margo van den Berg e Karyn O'Keeffe. Magnitude and Time Course of Sleep Inertia. Fort Belvoir, VA: Defense Technical Information Center, ottobre 2008. http://dx.doi.org/10.21236/ada487207.

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Atteberry, Christopher L. Overcoming Inertia: Building Human Capital for Interagency Success. Fort Belvoir, VA: Defense Technical Information Center, aprile 2009. http://dx.doi.org/10.21236/ada539842.

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Dubé, Jean-Pierre, Günter Hitsch e Peter Rossi. State Dependence and Alternative Explanations for Consumer Inertia. Cambridge, MA: National Bureau of Economic Research, aprile 2009. http://dx.doi.org/10.3386/w14912.

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Angeletos, George-Marios, e Jennifer La'O. Incomplete Information, Higher-Order Beliefs and Price Inertia. Cambridge, MA: National Bureau of Economic Research, maggio 2009. http://dx.doi.org/10.3386/w15003.

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Nadiri, M. Ishaq. Price Inertia and Inflation: Evidence and Theoretical Rationale. Cambridge, MA: National Bureau of Economic Research, settembre 1986. http://dx.doi.org/10.3386/w2022.

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