Academic literature on the topic 'Steering logics'

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Journal articles on the topic "Steering logics"

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Angelo Bonfitto, Stefano Feraco, Marco Rossini, and Francesco Carlomagno. "Fuzzy Logic Method for the Speed Estimation in All-Wheel Drive Electric Racing Vehicles." Communications - Scientific letters of the University of Zilina 23, no. 2 (April 1, 2021): B117—B129. http://dx.doi.org/10.26552/com.c.2021.2.b117-b129.

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This paper presents a method for the vehicle speed estimation with a Fuzzy Logic based algorithm. The algorithm acquires the measurements of the yaw rate, steering angle, wheel velocities and exploits a set of five Fuzzy Logics dedicated to different driving conditions. The technique estimates the speed exploiting a weighted average of the contributions provided by the longitudinal acceleration and the credibility assigned by the Fuzzy Logics to the measurements of the wheels’ speed. The method is experimentally evaluated on an all-wheel drive electric racing vehicle and is valid for the front and rear wheel drive configurations. The experimental validation is performed by comparing the obtained estimation with the result of computing the speed as the average of the linear velocity of the four wheels. A comparison to the integral of the vehicle acceleration over time is reported.
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Ildar Gabitov, Andrei Negovora, Azamat Valiev, Vladimir Ilin, Danila Plotnikov, and Mahmut Razyapov. "Assessment of Technical Condition of an Accumulator Common Rail Injector by Temperature of its Units." Communications - Scientific letters of the University of Zilina 23, no. 2 (April 1, 2021): B130—B138. http://dx.doi.org/10.26552/com.c.2021.2.b130-b138.

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This paper presents a method for the vehicle speed estimation with a Fuzzy Logic based algorithm. The algorithm acquires the measurements of the yaw rate, steering angle, wheel velocities and exploits a set of five Fuzzy Logics dedicated to different driving conditions. The technique estimates the speed exploiting a weighted average of the contributions provided by the longitudinal acceleration and the credibility assigned by the Fuzzy Logics to the measurements of the wheels’ speed. The method is experimentally evaluated on an all-wheel drive electric racing vehicle and is valid for the front and rear wheel drive configurations. The experimental validation is performed by comparing the obtained estimation with the result of computing the speed as the average of the linear velocity of the four wheels. A comparison to the integral of the vehicle acceleration over time is reported.
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Stenius, Kerstin, and Jessica Storbjork. "Balancing welfare and market logics: Procurement regulations for social and health services in four Nordic welfare states." Nordic Studies on Alcohol and Drugs 37, no. 1 (December 26, 2019): 6–31. http://dx.doi.org/10.1177/1455072519886094.

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Aim: In increasingly market-oriented welfare regimes, public procurement is one of the most important instruments for influencing who produces which services. This article analyses recent procurement regulations in four Nordic countries from the point of view of addiction treatment. The implementation of public procurement in this field can be viewed as a domain struggle between the market logic and the welfare logic. By comparing the revision of the regulations after the 2014 EU directives in Denmark, Finland, Norway, and Sweden, we identify factors affecting the protection of a welfare logic in procurement. We discuss the possible effects of different procurement regulations for population welfare and health. Data and theoretical perspective: The study is based on the recently revised procurement laws in the four countries, and adherent guidelines. The analysis is inspired by institutional logics, looking at patterns of practices, interests, actors, and procurement as rules for practices. Results: Procurement regulations are today markedly different in the four countries. The protection of welfare and public health aspects in procurement – strongest in Norway – is not solely dependent on party political support. Existing service providers and established steering practices play a crucial role. Conclusion: In a situation where market steering has become an established practice and private providers are strongly present, it can be difficult to introduce strong requirements for protection of welfare and population health in procurement of social services.
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Chen, Ze Yu, and Guang Yao Zhao. "Fuzzy Control Strategy and Simulation for Dual Electric Tracked Vehicle Motion Control." Applied Mechanics and Materials 130-134 (October 2011): 309–12. http://dx.doi.org/10.4028/www.scientific.net/amm.130-134.309.

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Based on tracked vehicle dynamics analysis, a fuzzy control strategy is proposed in this paper for the dual electric tracked vehicle motion control. The inputs of fuzzy system are driver acceleration, braking and steering signals besides vehicle velocity feedback signal, while outputs are dual motors’ torque commands and mechanical braker’s target force. Control strategy contains two fuzzy logics, one is for steering and straight-line running control, the other is for braking control section. Simulation results show that the fuzzy control strategy presented here is correct and effective for electric tracked vehicle motion control.
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Tota, Antonio, Enrico Galvagno, and Mauro Velardocchia. "Analytical Study on the Cornering Behavior of an Articulated Tracked Vehicle." Machines 9, no. 2 (February 9, 2021): 38. http://dx.doi.org/10.3390/machines9020038.

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Articulated tracked vehicles have been traditionally studied and appreciated for the extreme maneuverability and mobility flexibility in terms of grade and side slope capabilities. The articulation joint represents an attractive and advantageous solution, if compared to the traditional skid steering operation, by avoiding any trust adjustment between the outside and inside tracks. This paper focuses on the analysis and control of an articulated tracked vehicle characterized by two units connected through a mechanical multiaxial joint that is hydraulically actuated to allow the articulated steering operation. A realistic eight degrees of freedom mathematical model is introduced to include the main nonlinearities involved in the articulated steering behavior. A linearized vehicle model is further proposed to analytically characterize the cornering steady-state and transient behaviors for small lateral accelerations. Finally, a hitch angle controller is designed by proposing a torque-based and a speed-based Proportional Integral Derivative (PID) logics. The controller is also verified by simulating maneuvers typically adopted for handling analysis.
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Benish, Avishai. "The Logics of Hybrid Accountability: When the State, the Market, and Professionalism Interact." ANNALS of the American Academy of Political and Social Science 691, no. 1 (September 2020): 295–310. http://dx.doi.org/10.1177/0002716220965905.

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The delivery of public services increasingly operates under hybrid accountability regimes, but we have much to learn about how these regimes interrelate. I develop a framework for systematic analysis of hybrid public, market, and professional accountability arrangements, looking at the compatibility of their content, steering mechanisms, and relationships. The analysis is informed and illustrated by empirical studies on accountability in welfare state services, which offer evidence on hybrid accountability arrangements. The article concludes by discussing the interplay between accountability regimes and the conditions in which they undermine or reinforce each other. I argue that compatibility between regimes depends on the content of accountability rather than on the accountability mechanisms, and I highlight the importance of the trust between the parties entering into accountability relations and the proximity of their institutional logics.
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Mirzaeinejad, Hossein, Mehdi Mirzaei, and Reza Kazemi. "Enhancement of vehicle braking performance on split-μ roads using optimal integrated control of steering and braking systems." Proceedings of the Institution of Mechanical Engineers, Part K: Journal of Multi-body Dynamics 230, no. 4 (November 10, 2016): 401–15. http://dx.doi.org/10.1177/1464419315617332.

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Shorter stopping distance and less deviation from the straight line are two requirements of vehicle safe braking on split-µ roads. The first one is achieved by controlling the longitudinal slip of each wheel at its optimum value calculated by road conditions. However, in order to directly control the vehicle directional stability, a new multivariable controller is optimally developed for integrated active front steering (AFS) and direct yaw moment control. In an efficient way to manage two control inputs, the weights of the integrated optimal control law are online determined by fuzzy logics. These logics are defined using the stability index obtained by the phase plane analysis of nonlinear vehicle model. In this way, the required external yaw moment can be calculated for different driving conditions to only compensate the drawback of AFS for stabilising the vehicle system. The minimum usage of stabilising external yaw moment leads to the less reduction of maximum achievable braking forces of one side wheels and results the shorter stopping distance. By determination of the weighs in limit conditions, the integrated control law easily leads to the stand-alone braking control law. The simulation results carried out using a validated vehicle model demonstrate that the integrated control system has a better braking performance compared with the stand-alone braking system, reported in literature, to attain the shorter stopping distance with less lateral deviation on split-µ roads.
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Laffin, Martin. "Explaining reforms: post-New Public Management myths or political realities? Social housing delivery in England and France." International Review of Administrative Sciences 85, no. 1 (February 20, 2018): 45–61. http://dx.doi.org/10.1177/0020852317746223.

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This article examines the assumption that recent reforms in social and public services can be understood as a transition from New Public Management to post-New Public Management. English and French social housing delivery are selected as two cases in which to test out this assumption, for ostensibly these delivery structures share significant cross-national, post-NPM similarities – a movement towards a more ‘enabling’ or steering role for central government, the creation of coordinating agencies, ‘decentralization’ initiatives, the extensive use of public–private arrangements to finance social housing and the involvement of a wide range of extra- and semi-governmental organizations. However, further investigation reveals that these reforms of delivery structures have not been predominantly driven by an unfolding post-NPM managerial or governance logic as the thesis assumes. Rather the reforms have been driven by the partisan electoral and ideological goals of central government policymakers within the context of institutional legacies and entrenched social values. Points for practitioners New Public Management and post-New Public Management have become the conventional wisdom on administrative reforms particularly in a comparative context. This article argues that these ideas reflect an impoverished understanding of public administration given that they assume that change occurs predominantly through the unfolding of managerial and/or governance logics. These logics exclude the critical role of the political parties and other socio-political factors, such as urban unrest, in driving change. This Anglo-French analysis of social housing delivery demonstrates the significance of these political factors in how policymakers define social problems, re-design and implement social housing service delivery systems.
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Thunman, Elin. "Managing stress." Qualitative Research in Organizations and Management: An International Journal 10, no. 2 (June 8, 2015): 134–52. http://dx.doi.org/10.1108/qrom-11-2013-1184.

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Purpose – Given the parallel processes of stress development and organisational changes towards increased managerialism, the purpose of this paper is to understand the way in which employees’ stress is perceived and managed in female- and male-dominated sectors, characterised by new management-oriented steering methods. Design/methodology/approach – The paper is based on a thematic analysis of interviews with managers and employees at one Swedish female-dominated work setting and one male-dominated work setting. The paper offers an analysis of how managerial approaches to stress mediate the ways in which employees may come to govern their own subjectivity through stress-management practices. Drawing upon Foucault’s and Rose’s work on governmentality and freedom, these practices are understood as implicated in the everyday exercise of power over the self. Findings – The main finding is that a logic emphasising proactivity was more prevalent at the female-dominated workplace, while a logic emphasising trust was most prevalent at the male-dominated workplace. Both logics perceive self-management and self-realisation as ways to manage stress, but in the proactive regime, self-management and self-realisation tend to turn into new modes of exploitation. Approaches to stress management in the proactive regime in fact seem to further diminish levels of discretion and control, which, according to previous research, are typically already low in female-dominated work. Practical implications – Based on these findings, the study argues for the importance of combining a self-managerial approach with trust in order to avoid turning the individualisation of work into a source of stress at female-dominated workplaces. Originality/value – The paper contributes to a more complex understanding of women’s work stress by highlighting its interconnection with a proactive stress management regime.
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Butcher, Siân. "Appropriating rent from greenfield affordable housing: developer practices in Johannesburg." Environment and Planning A: Economy and Space 52, no. 2 (January 7, 2020): 337–61. http://dx.doi.org/10.1177/0308518x19895278.

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‘Affordable housing’ for Johannesburg’s growing middle class is a developmentalist imperative and potentially lucrative market. However, few greenfield developers have found this market profitable. Fundamental to those who have, is control over land and its development. This paper puts heterodox urban land rent theory to work vis-à-vis the logics and practices of these developers. I illustrate how greenfield affordable housing developers work to (re)produce differential and monopoly rents in this context. Differential rents rely on investing in cheap land produced through the city’s racialised geography, and controlling land’s development through vertical integration, dynamic negotiations with local government and development finance institutions, and steering money and people into developments. Monopoly rents rely on the power of developers to act together as a class to secure land, give the appearance of competition and lobby the state in their interests. This power is built through racialised control over land and long personal connections. It is also consolidated by the state’s own land development bureaucracy and preference for ‘mega’ developments and recognisable developers. Together, these developer strategies to accrue differential and monopoly rents demonstrate their active role in the everyday making of land and housing markets. They also demand extensions of heterodox urban land rent theory: first, a more articulated understanding of how class monopoly power over land is built through race, and second, a more contingent analysis of capital’s relations to other actors and institutions, especially the state.
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Dissertations / Theses on the topic "Steering logics"

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Nordesjö, Kettil. "Relationen styrning och utvärdering : Hur en europeisk utvärderingsidé översätts i Sverige." Doctoral thesis, Linnéuniversitetet, Institutionen för socialt arbete (SA), 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-42953.

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Evaluation is an institutionalized practice in the western public sector with several applications and uses. At the same time, the effectiveness and use of evaluation is seldom demonstrated. This evaluation paradox is due to the fact that evaluation is constrained and shaped in relation to, among others, a political context.  In this dissertation, the political context is examined from the assumption that governance shapes evaluation. The aim is to analyze the relationship between governance and evaluation, by studying the translation (i.e. inter­pretation) of the European Union evaluation approach ongoing evaluation in Sweden, in the context of Cohesion policy 2007-2013, which in Sweden aims at reinforcing competitiveness and employment. The relation­ship is examined through documents and interviews on a European union and a Swedish level, and in the translation process in between. With key concepts such as steering logics, participatory evaluation and translation through framing, the formation of evaluation in relation to governance has been mapped. This is particularly interesting in Sweden where the approach puts forth ideals of learning and interaction that seem to depart from ongoing evaluation.    Results show that governance cannot fully explain the shape of evaluation. Instead, Swedish agencies and other implementing actors have promoted their evaluation norms while at the same time fulfilling the Swedish ministries’ learning frame. It is an actor perspective comple­menting the relation­­ship between gover­nance and evaluation previously presented. The evaluation approach in Sweden has been translated to a practical participatory evaluation approach within a larger group of collabora­tive inquiry. In conclusion, evaluation on both levels has functioned as a relatively un­critical supportive resource for decision making within predetermined boundaries, more connected to the object of evaluation than to a larger gover­nance context. Evaluation in Sweden is being separated from questions of accounta­bility, and participation in evaluation is for goal fulfillment rather than for critical examination of basic assumptions underpinning projects and programs. Results made possible through the lens of trans­lation show that the Swedish approach was made possible by the vague borders of the field of evaluation, the rhetorical use of evaluation terminology in translation, skilled institutional entrepreneurs using legitimizing strategies, and the framing by the Commission and state ministries that opens up for national variation.
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Bas, Derek. "Laser Beam Steering with Thin Film GaAs on Plastic." Bowling Green State University / OhioLINK, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=bgsu1277119321.

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Hsu, Yung-Hsiang Judy. "Estimation and control of lateral tire forces using steering torque /." May be available electronically:, 2009. http://proquest.umi.com/login?COPT=REJTPTU1MTUmSU5UPTAmVkVSPTI=&clientId=12498.

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"Adaptive fuzzy logic steering controller for a Steckel mill." Thesis, 2009. http://hdl.handle.net/10210/2164.

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M.Ing.
Columbus Stainless, a subsidiary of Acerinox, manufactures stainless steel in their plant located in Middelburg, South Africa. During the hot rolling operation the steel is rolled on a 4-high finishing mill where strip movement perpendicular to the rolling direction occurs. This movement is undesirable because it causes inferior product quality and may also lead to downtime if the strip moves past the edge of the rolls. In the past the operator made adjustments to the relative alignment of the rolls in the mill in an attempt to limit the sideways movement of the strip. In order to improve product quality and production throughput, the manual action of adjusting the parallelism of the rolls was replaced with an automatic steering control system. Analysis of the process revealed that several variables have an impact on the way the strip reacts to changes in the alignment of rolls in the mill. An adaptive fuzzy logic control system was designed and implemented in the real time control system of the mill. During commissioning the system did not have an adverse effect on production and all initial project criteria were met, as was stipulated in Section 1.4 of this document. The control system improved the strip movement by an average of 11% on various products rolled. Based on production data, the system potentially prevented two coils from leaving the rolls during the month long evaluation period and saved 40 minutes of production time. If the savings in material losses and the potential gain in production time are added the possible anticipated monetary saving is estimated to be about 24 million Rand a year.
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Tseng, Yi-Ping, and 曾依蘋. "Lateral Dynamic-Logical Sensing for Collision Warning during Steering." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/92837576682506177801.

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Books on the topic "Steering logics"

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Cai, Bo. Neural networks, fuzzy logic, and optimal control for vehicle active systems with four-wheel steering and active suspension. Neubiberg: Universitat der Bundeswehr München, 1993.

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Great Britain. Scottish Office. Environment Dept., ed. Eco logical Steering Group on the oil spill in Shetland: An interim report on survey and monitoring. Edinburgh: Scottish Office, 1993.

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Manow, Philip. Social Protection, Capitalist Production. Oxford University Press, 2020. http://dx.doi.org/10.1093/oso/9780198842538.001.0001.

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The book provides a thorough analysis of the genealogy and the functional logic of German capitalism over the last 130 years. It addresses several puzzles of the existing literature, in particular how economic coordination proved possible and remained stable in a (big) country without prominent traits of neo-corporatism, without long government participation of social democratic parties, without centralized wage bargaining, without active economic steering by the government, under a “monetarist” regime, and under an allegedly liberal, namely “ordoliberal” economic policy. The central claim of the book is that the functional equivalent for all that was a “conservative-continental” welfare state which provided labor and capital with the organizational resources and the infrastructure to establish and maintain long-term economic coordination (of which we know that it is not-self-enforcing, i.e. that it needs institutional support). A better understanding of the German case, which can be seen as prototypical for other continental political economies as well, thus provides us also with a much better understanding of the different variants of coordinated market economies in northern, continental, and southern Europe, i.e. it provides us with a more profound Comparative Political Economy framework. This has important implications for contemporary debates on Germany’s role within international trade, and especially on its role within Europe and especially within the eurozone and its crisis. Much of the current debate, so the book claims, is based on an incomplete account of the functional logic of Modell Deutschland.
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Book chapters on the topic "Steering logics"

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Heilmann, Jürgen, and Michael Buttkus. "KPI-Based Steering Logic." In Controlling in der Konsumgüterindustrie, 111–21. Wiesbaden: Springer Fachmedien Wiesbaden, 2014. http://dx.doi.org/10.1007/978-3-658-04946-1_6.

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Anton, Crina, Alessandro Bogliolo, Pierluigi Civera, Ionel Colonescu, Enrico Macii, and Massimo Poncino. "RTL Estimation of Steering Logic Power." In Integrated Circuit Design, 36–46. Berlin, Heidelberg: Springer Berlin Heidelberg, 2000. http://dx.doi.org/10.1007/3-540-45373-3_5.

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Szlachetko, Boguslaw, and Michal Lower. "Stabilisation and Steering of Quadrocopters Using Fuzzy Logic Regulators." In Artificial Intelligence and Soft Computing, 691–98. Berlin, Heidelberg: Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-29347-4_80.

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Lower, Michal. "Self-organizing Fuzzy Logic Steering Algorithm in Complex Air Condition System." In Agent and Multi-Agent Systems: Technologies and Applications, 440–49. Berlin, Heidelberg: Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-642-01665-3_44.

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Silva, Fabricio L., Samuel Filgueira da Silva, Fabio Mazzariol Santiciolli, Jony J. Eckert, Ludmila C. A. Silva, and Franco G. Dedini. "Multi-objective Optimization of the Steering System and Fuzzy Logic Control Applied to a Car-Like Robot." In Multibody Mechatronic Systems, 195–202. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-60372-4_22.

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Carrera_González, A., S. Alonso_García, and J. Gómez_Gil. "Design, Development and Implemementation of a Steering Controller Box for an Automatic Agricultural Tractor Guidance System, Using Fuzzy Logic." In Technological Developments in Education and Automation, 153–58. Dordrecht: Springer Netherlands, 2009. http://dx.doi.org/10.1007/978-90-481-3656-8_30.

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"4 Welfare State Discourse and Citizenship Politics: From ‘Silent’ Policy to Steering Logic." In Democratic State and Democratic Society, 76–93. De Gruyter Open Poland, 2018. http://dx.doi.org/10.1515/9783110634082-005.

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Caldwell, Peter C. "Modernization and Its Discontents." In Democracy, Capitalism, and the Welfare State, 137–62. Oxford University Press, 2019. http://dx.doi.org/10.1093/oso/9780198833819.003.0005.

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The period from the mid-1960s to the early 1970s has been characterized by historians as one of “planning euphoria.” This enthusiasm was especially evident in the Social Democrats’ ambitious plans for steering the economy and reshaping society through social policy. At the same time, however, social theorists on both right and left criticized these efforts for their tendency toward alienation and bureaucratization. On the right, Hans Freyer and Arnold Gehlen predicted that secondary institutions would end human creativity, ushering in a period of post-history; Ernst Forsthoff feared state paralysis and the loss of real political leadership. And on the left, both Herbert Marcuse and Jürgen Habermas also feared the “refeudalization” and paralysis of society, and Habermas feared that the logic of these systems would undermine the life-worlds that gave meaning to humans, creating a sense of alienation.
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Homsy, George E., and Norman H. Margolus. "Simulating Digital Logic with the Reversible Aggregation Model of Crystal Growth." In New Constructions in Cellular Automata. Oxford University Press, 2003. http://dx.doi.org/10.1093/oso/9780195137170.003.0012.

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We are concerned with understanding the implicit computation occurring in a physical model of crystal growth, the Reversible Aggregation (RA) model. The RA model is a lattice gas model of reversible cluster growth in a closed two-dimensional system, which captures basic properties of physics such as determinism, locality, energy conservation, and exact microscopic reversibility. There are three species of particles in the RA model: gas, heat, and crystal. A diffusing gas particle may aggregate when contacting the boundary of a crystal cluster. Latent heat is released during each aggregation event and is explicitly modeled by introducing a heat particle into a diffusing heat bath. Conversely a cluster member at the boundary of the crystal may absorb a heat particle and evaporate, becoming a diffusing gas particle. Allowing ourselves complete control over all the initial conditions of the model, we show that the RA model can simulate any logic circuit, and, hence, perform any computation. The mobile gas and heat particles are used as logic signals. The paths these particles take are the wires. Sequences of conditional crystallization events form the basis of the logic gates. We show how to embed a universal single use gate into the dynamics of the model, then show how to construct a reusable universal gate, showing the system is capable of space-efficient computation. We show how to build arbitrary logic circuits by interconnecting gates. This requires steering and routing the signals, delaying them, and letting them cross. Finally, we briefly discuss the relationship of computation in the RA model to computation in real physical systems. We examine the computational capabilities of a physical model of crystal growth, the Reversible Aggregation (RA) model [3], which captures basic properties of physics such as determinism, locality, energy conservation, and exact microscopic reversibility. The RA model is a lattice gas model of reversible cluster growth in a closed two-dimensional system. It was introduced as a microscopically reversible physical model for studying the thermodynamics of crystal growth and pattern formation. By microscopically reversible we mean that from any state in the system we can recover the previous state exactly.
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Conference papers on the topic "Steering logics"

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"Steering Committee." In 2007 International Conference on Field Programmable Logic and Applications. IEEE, 2007. http://dx.doi.org/10.1109/fpl.2007.4380610.

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"Steering Committee." In 2010 International Conference on Field Programmable Logic and Applications (FPL). IEEE, 2010. http://dx.doi.org/10.1109/fpl.2010.8.

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"Steering Committee." In 2011 International Conference on Field Programmable Logic and Applications (FPL). IEEE, 2011. http://dx.doi.org/10.1109/fpl.2011.9.

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"Steering committee." In 2009 International Conference on Field Programmable Logic and Applications (FPL). IEEE, 2009. http://dx.doi.org/10.1109/fpl.2009.5272239.

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"Steering Committee." In 2018 28th International Conference on Field Programmable Logic and Applications (FPL). IEEE, 2018. http://dx.doi.org/10.1109/fpl.2018.00007.

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"Steering committee." In 2013 23rd International Conference on Field Programmable Logic and Applications (FPL). IEEE, 2013. http://dx.doi.org/10.1109/fpl.2013.6645488.

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"Steering Committee." In 2020 30th International Conference on Field-Programmable Logic and Applications (FPL). IEEE, 2020. http://dx.doi.org/10.1109/fpl50879.2020.00009.

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Ozatay, Evren, Samim Y. Unlusoy, and Murat A. Yildirim. "Design of Fuzzy Logic Controller for Four Wheel Steering System." In ASME 2005 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2005. http://dx.doi.org/10.1115/detc2005-84114.

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Integration of the driver’s steering input together with the four-wheel steering system (4WS) in order to improve the vehicle’s dynamic behavior with respect to yaw rate and body sideslip angle is possible with intelligent vehicle dynamics control systems. The goal of this study is to develop a fuzzy logic controller for this purpose. In the first stage of the study, a three-degree of freedom nonlinear vehicle model including roll dynamics is developed. The Magic Formula is applied in order to formulate the nonlinear characteristics of the tires. In the design of the fuzzy logic controller, a two-dimensional rule table is created based on the error and on the change in the error of sideslip angle, which is to be minimized. Fuzzy logic controlled model is then compared with front wheel steering vehicle and the vehicles having different control strategies that have previously been studied in literature. Simulations indicate that fuzzy logic controlled vehicle can provide zero body sideslip angle in transient motion and quick response in terms of yaw rate during steady state cornering and lane change maneuvers.
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Ghaffari, A., J. Ahmadi, and R. Kazemi. "Fuzzy Logic Based Vehicle Stability Enhancement Through Active Rear Steering." In ASME 2005 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2005. http://dx.doi.org/10.1115/detc2005-85350.

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This paper introduces an investigation of a steering intervention system based on active rear steering system (RWS) which uses rear steer angle as control input. The induced yaw moment on the vehicle affects handling states, there by increasing the steering performance. The steering function achieved through RWS can then be used to assist the driver in severe maneuvers that most drivers are not familiar with. Because of the high nonlinearities and uncertainties that exist in vehicle handling behavior a fuzzy logic inference system is developed to explore RWS feasibility and capability. Computer simulations using nonlinear seven degree of freedom vehicle model show the remarkable enhancements of RWS vehicle.
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"Message from Steering Committee." In 2010 International Conference on Field Programmable Logic and Applications (FPL). IEEE, 2010. http://dx.doi.org/10.1109/fpl.2010.6.

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