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Academic literature on the topic 'Transient Analysis of Control Systems'

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Published: 10 December 2022
Last updated: 19 February 2023

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Journal articles on the topic "Transient Analysis of Control Systems"

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Easterby, J. S. "Integration of temporal analysis and control analysis of metabolic systems." Biochemical Journal 269, no. 1 (July 1, 1990): 255–59. http://dx.doi.org/10.1042/bj2690255.

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A theory is developed that integrates approaches to the analysis of pathway transient response and metabolic control analysis. A Temporal Control Coefficient is defined that is a measure of the system's transient response to modulation of enzyme activity or concentration. The approach allows for the analysis of the establishment of a steady state from rest, of the system's ‘agility’ of response to minor perturbations of a pre-existing steady state and of the macroscopic transition between steady states. In the last-mentioned case it is shown that, like the transient time itself, the control of transient response retains the property of independence from the mechanism of the transition. In consequence, the Temporal Control Coefficient can be defined in terms of the control properties of the initial and final states alone without reference to the mechanism of transition. A summation property is shown to apply to the Temporal Control Coefficients in each case. Connectivity relationships between elasticities and Temporal Control Coefficients are also established.
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Abubakar, Ukashatu, Saad Mekhilef, Hazlie Mokhlis, Mehdi Seyedmahmoudian, Ben Horan, Alex Stojcevski, Hussain Bassi, and Muhyaddin Hosin Rawa. "Transient Faults in Wind Energy Conversion Systems: Analysis, Modelling Methodologies and Remedies." Energies 11, no. 9 (August 27, 2018): 2249. http://dx.doi.org/10.3390/en11092249.

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This paper presents an in-depth review of classical and state-of-the-art models for analysing the transient stability in wind energy conversion systems. Various transient simulation models for a number of wind turbine generator (WTG) configurations are introduced, under different disturbances. The mitigation is achieved, by manipulating the generator speed and power electronics control, whereas the protection is implemented using conventional, intelligent or digital relays for the safety of sensitive components, in case of transient fault occurrence. The various control systems in WECS are basically employed to transform and regulate the varying frequency, owing to the stochastic nature of wind speed, to the standard 50-Hz or 60-Hz frequency for coupling to an existing electrical utility grid. It has been observed that the control and protection schemes in wind energy systems are concurrently applied. Transient faults in WECSs are a dominant power quality problem especially in the doubly-fed induction generator (DFIG), and often classified as overcurrent or overvoltage transients. These transients are measured using the transient stability index and analysed using the EMTDC/PSCAD software. In addition, the inertia of the rotating masses of wind turbine generators is often characterized by a transient torque, which generates oscillations in power systems.
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Hou, Yukan, Yuan Li, Yuntian Ge, Jie Zhang, and Shoushan Jiang. "Modeling of assembly systems with complex structures for throughput analysis during transients." Assembly Automation 39, no. 2 (April 1, 2019): 262–71. http://dx.doi.org/10.1108/aa-12-2017-172.

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Purpose The purpose of this paper is to present an analytical method for throughput analysis of assembly systems with complex structures during transients. Design/methodology/approach Among the existing studies on the performance evaluation of assembly systems, most focus on the system performance in steady state. Inspired by the transient analysis of serial production lines, the state transition matrix is derived considering the characteristics of merging structure in assembly systems. The system behavior during transients is described by an ergodic Markov chain, with the states being the occupancy of all buffers. The dynamic model for the throughput analysis is solved using the fixed-point theory. Findings This method can be used to predict and evaluate the throughput performance of assembly systems in both transient and steady state. By comparing the model calculation results with the simulation results, this method is proved to be accurate. Originality/value This proposed modeling method can depict the throughput performance of assembly systems in both transient and steady state, whereas most exiting methods can be used for only steady-state analysis. In addition, this method shows the potential for the analysis of complex structured assembly systems owing to the low computational complexity.
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Wang, Pengfei, Jiashuang Wan, Run Luo, Shifa Wu, Xinyu Wei, and Fuyu Zhao. "ICONE23-2027 ANALYSIS OF NSSS CONTROL SYSTEM RESPONSES DURING LOAD REJECTION TRANSIENT FOR AP1000." Proceedings of the International Conference on Nuclear Engineering (ICONE) 2015.23 (2015): _ICONE23–2—_ICONE23–2. http://dx.doi.org/10.1299/jsmeicone.2015.23._icone23-2_13.

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Yan, Wei, Yong Chun Yang, and Xu Feng Guo. "Analyze the Transient Response of a Control Systems." Advanced Materials Research 706-708 (June 2013): 639–43. http://dx.doi.org/10.4028/www.scientific.net/amr.706-708.639.

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It is important for the control system analyst to understand the complete relationship of the complex-frequency representation of a linear system, the poles and zeros of its transfer function, and its time-domain response to step and other inputs. In such areas as signal processing and control, many of the analysis and designed collations are done in the complex-frequency plane, where a system model is represented in terms of the poles and zeros of its transfer functions.
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Waindok, Andrzej, and Paweł Piekielny. "Transient Analysis of a Railgun with Permanent Magnets Support." Acta Mechanica et Automatica 11, no. 4 (December 1, 2017): 302–7. http://dx.doi.org/10.1515/ama-2017-0046.

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Abstract The calculation and measurement results of transients for an electrodynamic accelerator with permanent magnet support have been presented in this paper. The calculations have been made using the magnetostatic model in the Maxwell software, as well as using a Matlab/Simulink transient model. The waves of mechanical parameters (projectile velocity and acceleration, force) and electric ones (excitation current and capacitor voltage) have been analyzed for different supply conditions (voltage value, capacitance). The efficiency and projectile energy have been studied as well. The mathematical models have been verified experimentally using the original laboratory stand. A good conformity between calculation and measurement results has been obtained.
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Jaleel, Hassan, and Jeff S. Shamma. "Transient Response Analysis of Metropolis Learning in Games." IFAC-PapersOnLine 50, no. 1 (July 2017): 9661–67. http://dx.doi.org/10.1016/j.ifacol.2017.08.1927.

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Bell, R. D., N. W. Rees, and C. X. Lu. "Transient Analysis of Power Plant Deaerators." Proceedings of the Institution of Mechanical Engineers, Part I: Journal of Systems and Control Engineering 206, no. 3 (August 1992): 157–64. http://dx.doi.org/10.1243/pime_proc_1992_206_326_02.

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A mathematical model suitable for predicting the transient behaviour of deaerator plant is presented. The model is based on energy and mass balance equations applied to the deaerator, storage tank and feed pump suction pipe. The model parameters are based entirely on the physical characteristics of the plant, and hence the model can be easily adapted to plants of different size. A comparison with data collected from a deaerator plant operating on a 500 MW unit indicates that the model gives good transient responses and can be used to predict accurately the onset of cavitation in the feed pump.
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Koc, Burhanettin, and Bülent Delibas. "Impact Force Analysis in Inertia-Type Piezoelectric Motors." Actuators 12, no. 2 (January 26, 2023): 52. http://dx.doi.org/10.3390/act12020052.

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In an inertia-type motor, a piezoelectric multilayer actuator is espoused to a transient vibration velocity as high as 1.0 m/s during slip time. This vibration velocity makes the inertia-type motors dynamic but not quasi-static. We propose a kinetic model to describe the condition under which slippage can occur between a slider and a stator. The transient current absorbed by the multilayer actuators in a stator during slip time defines the slippage behavior of the slider. A new thickness-mode force factor expression (A33), which is a relation between the transient current and the transient vibration velocity, is described in electrical domain. Impact force acting on a friction coupler produced by the actuators in the stator is proportional to the rate of change in the transient current during the sliding time. Additionally, we present the structure and characteristics of a two-phase inertia-drive-type piezoelectric motor, on which the proposed model was evaluated. Driving the multilayer actuators with truncated and mirrored sawtooth signals enhances the system dynamics. As one actuator expands and the other shrinks, their respective hysteretic nonlinearities are canceled. The motor operating frequency can be as great as 30 kHz and typically load characteristics are unloaded velocity greater than 16.0 mm/s and generated force higher than 3.0 N.
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Fehér, Áron, and Lőrinc Márton. "Approximation-based Transient Behavior Analysis of Multi-Agent Systems with Delay." IFAC-PapersOnLine 51, no. 14 (2018): 159–64. http://dx.doi.org/10.1016/j.ifacol.2018.07.216.

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Dissertations / Theses on the topic "Transient Analysis of Control Systems"

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Parsi-Feraidoonian, Raiomand. "Application of catastrophe theory to transient stability analysis of multimachine power systems." Thesis, University of British Columbia, 1990. http://hdl.handle.net/2429/29723.

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Transient stability analysis is an important part of power planning and operation. For large power systems, such analysis is very time consuming and expensive. Therefore, an online transient stability assessment will be required as these large power systems are operated close to their maximum limits. In this thesis swallowtail catastrophe is used to determine the transient stability regions. The bifurcation set represents the transient stability region in terms of power system transient parameters bounded by the transient stability limits. The system modelling is generalized in such, that the analysis could handle either one or any number of critical machines. This generalized model is then tested on a three-machine as well as a seven-machine system. The results of the stability analysis done with the generalized method is compared with the time solution and the results were satisfactory. The transient stability regions determined are valid for any changes in loading conditions and fault location. This method is a good candidate for on-line assessment of transient stability of power systems.
Applied Science, Faculty of
Electrical and Computer Engineering, Department of
Graduate
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Mu, Cheng. "Robust active vibration control of flexible rotor-bearing systems under steady and transient conditions." Thesis, University of Bath, 1994. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.387119.

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Todeschini, Grazia. "Wind Energy Conversion Systems based on DFIG Technology used as Active Filters: Steady-State and Transient Analysis." Digital WPI, 2010. https://digitalcommons.wpi.edu/etd-dissertations/97.

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This thesis deals with the performance of a Wind Energy Conversion System operating as a power generator and Active Filter simultaneously. As a power generator, the Wind Energy Conversion System converts wind energy into electric energy; as an Active Filter, it sinks the harmonic currents injected by Non-Linear Loads connected at the same feeder. Three control systems are developed to ensure the described operation; a specific study regarding the compensation of the triplen harmonics is carried out; Doubly-Fed Induction Generator derating is defined; and an engineering economic analysis is performed to determine the profitability of the proposed operation. The Wind Energy Conversion System performance as generator and Active Filter has been studied for steady-state analysis, fast transients and low transients. It is concluded that the proposed control systems allow operating the Wind Energy Conversion System as power generator and harmonic compensator both during steady state and transient operation; the described operation causes power loss increase and voltage distortion that determine the choice of the component and require system derating.
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Granzotto, Desiree Grenier. "Modelagem e projeto de um sistema de controle aplicado ao escoamento bifasico de oleo viscoso e agua em padrão anular." [s.n.], 2008. http://repositorio.unicamp.br/jspui/handle/REPOSIP/265674.

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Orientador: Antonio Carlos Bannwart
Dissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Engenharia Mecânica e Instituto de Geociencias
Made available in DSpace on 2018-08-15T14:50:36Z (GMT). No. of bitstreams: 1 Granzotto_DesireeGrenier_M.pdf: 5773051 bytes, checksum: 11febefe7b30f0680e59ad8a34976576 (MD5) Previous issue date: 2008
Resumo: As grandes reservas mundiais de óleo pesado e os elevados preços do barril de petróleo tornam essencial o desenvolvimento de tecnologias de elevação e transporte desses óleos. O óleo pesado, com suas características desfavoráveis de alta viscosidade (100 - 10000 cP) e de densidade (abaixo de 20° API), necessita de métodos específicos que viabilizem sua movimentação em dutos a altas vazões. Para isto, um dos métodos mais simples e que não requer utilização de calor ou diluentes é oferecido pelo escoamento anular óleo-água (core-flow). Entre as questões ainda não resolvidas sobre esse escoamento está o controle do escoamento bifásico, de modo a se obter uma operação segura com a razão água-óleo adequada. Neste trabalho é apresentada uma modelagem do escoamento anular de óleo viscoso e água em regimes permanente e transiente no interior de um duto horizontal. Das possíveis estratégias de controle, optou-se, por simplicidade, pelo controle da vazão de água a uma dada vazão de óleo (desejada para a linha), através da atuação na rotação da bomba d'água. A modelagem permanente da perda de carga em escoamento anular foi ajustada aos dados experimentais colhidos em uma linha de aço de 2,5 polegadas de diâmetro nominal e comprimento 30 m, para diversas combinações de vazões de óleo e água, devido a certa aderência do óleo na parede do duto. A modelagem transiente satisfaz o critério clássico de estabilidade de Ledinegg. Esses resultados possibilitaram projetar e testar um sistema de controle para a vazão de água em duas versões: proporcional-integral (PI) e fuzzy. As comparações permitiram concluir pelo melhor desempenho do controlador fuzzy, por suas características e robustez
Abstract: The significant heavy oil reserves worldwide and the presently high crude oil prices make it essential the development of technologies for heavy oil production and transportation. Heavy oils, with their inherent features of high viscosity (100-10,000 cP) and density (below 22°API) require specific techniques for pipe flow at high flow rates. For this purpose, one of the simplest methods, which does not require use of heat or diluents, is provided by oil-water annular flow (core-flow). Among the still unsolved issues regarding core-flow is the two-phase flow control, in order to obtain a safe operation of the line at the lowest possible water-oil ratio. In this work a model of the viscous oil-water annular flow in a horizontal pipe for both steady and unsteady regimes is presented. From the possible strategies, the water flow rate control for a given oil flow rate was selected for simplicity. Due to the observation of some oil adherence to the wall, the steady state flow model was adjusted to experimental data collected in a 2.5 inches, 30 meters long steel pipe at several combinations of oil and water flow rates. On the other hand the transient model is shown to satisfy the well-known Ledinegg stability criterion. These features made it possible to design and testing a control system for the water flow rate in two different versions: proportional-integral (PI) and fuzzy. Comparisons indicate that the fuzzy controller performs better due to its features and robustness
Mestrado
Explotação
Mestre em Ciências e Engenharia de Petróleo
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Zheng, Wei. "Control strategies enabling seamless switching to islanded operation." Thesis, University of Manchester, 2018. https://www.research.manchester.ac.uk/portal/en/theses/control-strategies-enabling-seamless-switching-to-islanded-operation(bbd0b08b-0a72-4c45-99de-c3b98f908058).html.

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Significant penetration of distributed generation (DG) and the increasing automation level available for distribution networks have opened an option of splitting a network into subsystems and operating each as an "autonomous island". This is particularly important when a major contingency occurs. However, there are issues and challenges that must be addressed before islanded operation becomes viable, among which, ensuring seamless switching of a distribution subsystem from grid-connected to islanded mode is critically important. Unless the subsystem is a predesigned microgrid, it is highly possible that the subsystem load demand will exceed the generation capacity of island DGs. Therefore, an appropriate load shedding scheme must be implemented to ensure the islanded subsystem is power balanced. In this thesis, a switching control strategy is designed to deliver seamless islanding switching. This strategy comprises a multiple-DG coordination method and a single-step load shedding scheme. Mathematical studies and time-domain simulations that investigate the transients observed during the islanding switching process are both conducted, and together, they are used to address the transient stability issues of an islanded subsystem. This thesis focuses on a distribution subsystem consisting of a mix of synchronous and inverter-based DGs and a combination of static and dynamic loads. DG modelling and control is first introduced, and based on that, various types of method to achieve multiple-DG coordination, including an innovative multiple-master strategy, are investigated. The widely accepted master-slave strategy is used to coordinate DGs when the subsystem is islanded. The strategy demands a single dispatchable and controllable DG, such as a synchronous generator, to be the master, whilst requires the others, such as intermittent renewable-based DGs, to be the slaves. Dynamic load modelling is another critical part of this thesis. The transient stability of dynamic loads after major disturbances is investigated and then used to design the stability-oriented load shedding priority. The single-step load shedding scheme calculates the load shedding amount based on the power flow at the point of common coupling (PCC) and the spinning reserve available in the island. This scheme is activated by the tripping event of the PCC circuit breaker between the grid and the island, and then priorities the load to be shed according to the priority predetermined from the stability perspective. Mathematical analysis is first conducted on a simple subsystem to investigate the impact of DG settings on the islanding transients. A full-scale subsystem is also simulated in PSCAD/EMTDC and used to verify the effectiveness of the switching control strategy. In time-domain simulations, the subsystem is islanded following either a routine switching event or a permanent grid fault. Various factors that may affect the transient performance are analysed, such as the severity of the fault, the DG penetration level, the fault clearance time and the switching control delay. This thesis concludes that based on the proposed switching control strategy, the concept of seamless switching from grid-connected to islanded operation is technically viable.
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Stott, Iain Michael. "Modelling transient population dynamics and their role in ecology and evolution." Thesis, University of Exeter, 2012. http://hdl.handle.net/10036/3733.

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Population projection matrix (PPM) models are a central tool in ecology and evolution. They are widely used for devising population management practises for conservation, pest control, and harvesting. They are frequently employed in comparative analyses that seek to explain demographic patterns in natural populations. They are also a key tool in calculating measures of fitness for evolutionary studies. Yet, demographic analyses using projection matrices have, in some ways, failed to keep up with prevailing ecological paradigms. A common focus on long-term and equilibrium dynamics when analysing projection matrix models fits better with the outmoded view of ecosystems as stable and immutable. The more current view of ecosystems as dynamic and subject to constant extrinsic disturbances has bred new theoretical advances in the study of short-term "transient" dynamics. Transient dynamics can be very different to long-term trends, and given that ecological studies are often conducted over short timescales, they may be more relevant to research. This thesis focuses on the study of transient dynamics using population projection matrix models. The first section presents theoretical, methodological and computational advances in the study of transient dynamics. These are designed to enhance the predictive power of models, whilst keeping data requirements to a minimum, and borrow from the fields of engineering and systems control. Case studies in this section provide support for consideration of transient dynamics in population management. The second section applies some of these new methods to answer pertinent questions surrounding the ecology and evolution of transient dynamics in plants. Results show that transient dynamics exhibit patterns according to life form and phylogenetic history. Evidence suggests that this can be linked to the stage-structuring of life cycles, which opens up the possibility for new avenues of research considering the evolution of transient dynamics in nature.
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Llamas, Armando. "Assessment of direct methods in power system transient stability analysis for on-line applications." Diss., Virginia Polytechnic Institute and State University, 1992. http://hdl.handle.net/10919/49933.

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The advent of synchronized phasor measurements allows the problem of real time prediction of instability and control to be considered. The use of direct methods for these on-line applications is assessed. The classical representation of a power system allows the use of two reference frames: Center of angle and one machine as reference. Formulae allowing transition between the two reference frames are derived. It is shown that the transient energy in both formulations is the same, and that line resistances do not dampen system oscillations. Examples illustrating the mathematical characterization of the region of attraction, exit point, closest u.e.p. and controlling u.e.p. methods are presented. Half-dimensional systems (reduced-order systems) are discussed. The general expression for the gradient system which accounts for transfer conductances is derived without making use of the infinite bus assumption. Examples illustrating the following items are presented: a) Effect of the linear ray approximation on the potential energy (inability to accurately locate the u.e.p.’s); b) Comparison of Kakimoto’s and Athay’s approach for PEBS crossing detection; c) BCU method and; d) One·parameter transversality condition. It is illustrated that if the assumption of the one-parameter transversality condition is not satisfied, the PEBS and BCU methods may give incorrect results for multi-swing stability. A procedure to determine if the u.e.p. found by the BCU method lies on the stability boundary of the original system is given. This procedure improves the BCU method for off~line applications when there is time for a hybrid approach (direct and conventional), but it does not improve it for on-line applications due to the following: a) It is time consuming and b) If it finds that the u.e.p. does not belong to the stability boundary it provides no information concerning the stability/instability of the system. l
Ph. D.
incomplete_metadata
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Bu, Siqi. "Probabilistic small-signal stability analysis and improved transient stability control strategy of grid-connected doubly fed induction generators in large-scale power systems." Thesis, Queen's University Belfast, 2012. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.580121.

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Growing numbers of large-scale wind farms have been recently established and connected to conventional power grid. With the rising level of penetration, the impact of wind power sources on the grid has extended from simple power quality problems to power grid security and stability, frequency and peak regulation, and economic dispatch issues. Therefore, it has significant theoretical and practical values to comprehensively investigate the effect of grid-connected wind power sources on the power system stability. In order to study the influence of considerable stochastic characteristic of wind power generation, probabilistic analysis of power system small-signal stability has been implemented. An analytical method of probabilistic analysis based on Gram-Charlier expansion is proposed to deal with the stochastic uncertainty and spatial correlation of multiple grid-connected wind power sources. Results of probabilistic stability analysis of the example power system demonstrate that the stochastic fluctuation of wind power generation certainly affects small-signal stability of the power system especially in a stressed load condition. Probabilistic stability changes significantly with the variation of wind power penetration level. Focusing on the examination of mechanism of terminal voltage dip during the grid fault, this thesis then develops an improved flux magnitude and angle control (IFMAC) strategy to enhance the grid fault ride-through (FRT) capability of grid-connected doubly fed induction generators (DFIGs). It is indicated by analysis that the significant increase of DFIG power angle stimulated by grid faults during the transient is the essential reason of DFIG voltage dip. IF MAC scheme is proposed with the aim to control the DFIG power angle. The theoretical analysis has also illustrated that the surrounding power system may benefit prominently in terms of transient stability margin by applying the proposed control strategy. Simulation results of the example system have validated the effectiveness and robustness of IF MAC controller in different operating conditions.
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Wahlström, Johan. "Control of EGR and VGT for emission control and pumping work minimization in diesel engines." Licentiate thesis, Linköping University, Linköping University, Vehicular Systems, 2006. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-7508.

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Legislators steadily increase the demands on lowered emissions from heavy duty vehicles. To meet these demands it is necessary to integrate technologies like Exhaust Gas Recirculation (EGR) and Variable Geometry Turbochargers (VGT) together with advanced control systems. A control structure with PID controllers and selectors is proposed and investigated for coordinated control of EGR valve and VGT position in heavy duty diesel engines. Main control goals are to fulfill the legislated emission levels, to reduce the fuel consumption, and to fulfill safe operation of the turbocharger. These goals are achieved through regulation of normalized oxygen/fuel ratio and intake manifold EGR-fraction. These are chosen as main performance variables since they are strongly coupled to the emissions, compared to manifold pressure or air mass flow, which makes it easy to adjust set-points depending on e.g. measured emissions during an emission calibration process. In addition a mechanism for fuel efficient operation is incorporated in the structure, this is achieved by minimizing the pumping work. To design a successful control structure, a mean value model of a diesel engine is developed and validated. The intended applications of the model are system analysis, simulation, and development of model-based control systems. Model equations and tuning methods for the model parameters are described for each subsystem in the model. Static and dynamic validations of the entire model show mean relative errors that are less than 12%. Based on a system analysis of the model, a key characteristic behind the control structure is that oxygen/fuel ratio is controlled by the EGR-valve and EGR-fraction by the VGT-position, in order to handle a sign reversal in the system from VGT to oxygen/fuel ratio. For efficient calibration an automatic controller tuning method is developed. The controller objectives are captured in a cost function, that is evaluated utilizing a method choosing representative transients. The performance is evaluated on the European Transient Cycle. It is demonstrated how the weights in the cost function influence behavior, and that the tuning method is important in order to improve the control performance compared to if only a standard method is used. It is also demonstrated that the controller structure performs well regarding all control objectives. In combination with its efficient tuning, the controller structure thus fulfills all requirements for successful application.


Report code: LiU-TEK-LIC-2006:52.
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Beak, Byungho, and Byungho Beak. "Systematic Analysis and Integrated Optimization of Traffic Signal Control Systems in a Connected Vehicle Environment." Diss., The University of Arizona, 2017. http://hdl.handle.net/10150/626304.

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Traffic signal control systems have been tremendously improved since the first colored traffic signal light was installed in London in December 1868. There are many different types of traffic signal control systems that can be categorized into three major control types: fixed-time, actuated, and adaptive. Choosing a proper traffic signal system is very important since there exists no perfect signal control strategy that fits every traffic network. One example is traffic signal coordination, which is the most widely used traffic signal control system. It is believed that performance measures, such as travel times, vehicle delay, and number of stops, can be enhanced by synchronizing traffic signals over a corridor. However, it is not always true that the coordination will have the same benefits for all the traffic in the network. Most of the research on coordination has focused only on strengthening the major movement along the coordinated routes without considering system-wide impacts on other traffic. Therefore, before implementing a signal control system to a specific traffic network, a thorough investigation should be conducted to see how the control strategy may impact the entire network in terms of the objectives of each type of traffic control system. This dissertation first considers two different kinds of systematic performance analyses for traffic signal control systems. Then, it presents two types of signal control strategies that account for current issues in coordination and priority control systems, respectively. First, quantitative analysis of smooth progression for traffic flow is investigated using connected vehicle technology. Many studies have been conducted to measure the quality of progression, but none has directly considered smooth progression as the significant factor of coordination, despite the fact that the definition of coordination states that the goal is to have smooth traffic flow. None of the existing studies concentrated on measuring a continuous smooth driving pattern for each vehicle in terms of speed. In order to quantify the smoothness, this dissertation conducts an analysis of the speed variation of vehicles traveling along a corridor. A new measure is introduced and evaluated for different kinds of traffic control systems. The measure can be used to evaluate how smoothly vehicles flow along a corridor based on the frequency content of vehicle speed. To better understand the impact of vehicle mode, a multi-modal analysis is conducted using the new measure. Second, a multi-modal system-wide evaluation of traffic signal systems is conducted. This analysis is performed for traffic signal coordination, which is compared with fully actuated control in terms of a systematic assessment. Many optimization models for coordination focus mainly on the objective of the coordinated route and do not account for the impacts on side street movements or other system-wide impacts. In addition, multi-modality is not considered in most optimized coordination plans. Thus, a systematic investigation of traffic signal coordination is conducted to analyze the benefits and impacts on the entire system. The vehicle time spent in the system is measured as the basis of the analysis. The first analysis evaluates the effect of coordination on each route based on a single vehicle mode (regular passenger vehicles). The second analysis reveals that how multi-modality affects the performance of the entire system. Third, in order to address traffic demand fluctuation and traffic pattern changes during coordination periods, this dissertation presents an adaptive optimization algorithm that integrates coordination with adaptive signal control using data from connected vehicles. Through the algorithm, the coordination plan can be updated to accommodate the traffic demand variation and remain optimal over the coordination period. The optimization framework consists of two levels: intersection and corridor. The intersection level handles phase allocation in real time based on connected vehicle trajectory data, while the corridor level deals with the offsets optimization. The corridor level optimization focuses on the performance of the vehicle movement along the coordinated phase, while at the intersection level, all movements are considered to create the optimal signal plan. The two levels of optimizations apply different objective functions and modeling methodologies. The objective function at the intersection level is to minimize individual vehicle delay for both coordinated and non-coordinated phases using dynamic programming (DP). At the corridor level, a mixed integer linear programming (MILP) is formulated to minimize platoon delay for the coordinated phase. Lastly, a peer priority control strategy, which is a methodology that enhances the multi modal intelligent traffic signal system (MMITSS) priority control model, is presented based on peer-to-peer (P2P) and dedicated short range communication (DSRC) in a connected vehicle environment. The peer priority control strategy makes it possible for a signal controller to have a flexible long-term plan for prioritized vehicles. They can benefit from the long-term plan within a secured flexible region and it can prevent the near-term priority actions from having a negative impact on other traffic by providing more flexibility for phase actuation. The strategy can be applied to all different modes of vehicles such as transit, freight, and emergency vehicles. Consideration for far side bus stops is included for transit vehicles. The research that is presented in this dissertation is constructed based on Standard DSRC messages from connected vehicles such as Basic Safety Messages (BSMs), Signal Phasing and Timing Messages (SPaTs), Signal Request Messages (SRMs), and MAP Messages, defined by Society of Automotive Engineers (SAE) (SAE International 2016).
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Books on the topic "Transient Analysis of Control Systems"

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Wu, Shih-Chin. Large angle transient dynamics (LATDYN): Demonstration problem manual. [Washington, D.C.]: National Aeronautics and Space Administration, Office of Management, Scientific and Technical Information Program, 1991.

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1958-, Lee Tong Heng, and Lin Chong 1967-, eds. Relay feedback: Analysis, identification, and control. London: Springer, 2003.

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Carreno, Victor A. Analog-digital simulation of transient-induced logic errors and upset susceptibility of an advanced control system. Hampton, Va: Langley Research Center, 1990.

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Martinez-Velasco, Juan A., ed. Transient Analysis of Power Systems. Chichester, UK: John Wiley & Sons, Ltd, 2015. http://dx.doi.org/10.1002/9781118694190.

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Vijay, Vittal, ed. Power system transient stability analysis using the transient energy function method. Englewood Cliffs, N.J: Prentice Hall, 1992.

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Process systems analysis and control. 2nd ed. New York: McGraw-Hill, 1991.

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Grantham, Walter J. Modern control systems analysis anddesign. Chichester: Wiley, 1993.

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Control systems modeling and analysis. Englewood Cliffs, N.J: Prentice-Hall, 1986.

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Derbel, Nabil, ed. Systems, Analysis and Automatic Control. Berlin, Boston: De Gruyter, 2016. http://dx.doi.org/10.1515/9783110448436.

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Brogliato, Bernard, Bernhard Maschke, Rogelio Lozano, and Olav Egeland. Dissipative Systems Analysis and Control. London: Springer London, 2007. http://dx.doi.org/10.1007/978-1-84628-517-2.

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Book chapters on the topic "Transient Analysis of Control Systems"

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Pavella, Mania, Damien Ernst, and Daniel Ruiz-Vega. "Preventive Analysis and Control." In Transient Stability of Power Systems, 93–137. Boston, MA: Springer US, 2000. http://dx.doi.org/10.1007/978-1-4615-4319-0_4.

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Rahmani-Andebili, Mehdi. "Problems: Analysis of Transient Response." In Feedback Control Systems Analysis and Design, 39–43. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-95277-8_5.

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Boiko, Igor. "Analysis of Transient Oscillations in Systems with MRFT." In Advances in Industrial Control, 141–58. London: Springer London, 2013. http://dx.doi.org/10.1007/978-1-4471-4465-6_6.

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Rahmani-Andebili, Mehdi. "Solutions of Problems: Analysis of Transient Response." In Feedback Control Systems Analysis and Design, 45–55. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-95277-8_6.

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El-Férik, Sami, and Roland P. Malhamé. "Optimizing the transient behavior of hedging control policies in manufacturing systems." In 11th International Conference on Analysis and Optimization of Systems Discrete Event Systems, 565–71. Berlin, Heidelberg: Springer Berlin Heidelberg, 1994. http://dx.doi.org/10.1007/bfb0033588.

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Lopez-Almansa, F., J. Rodellar, and A. H. Barbat. "A Simulation Scheme for Numerical Analysis of Active Control Systems for Tall Buildings." In Transient/Dynamic Analysis and Constitutive Laws for Engineering Materials, 275–82. Dordrecht: Springer Netherlands, 1987. http://dx.doi.org/10.1007/978-94-009-3655-3_29.

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Charan, Godavarthi, Dasa Sampath, V. N. Siva Praneeth, and Y. V. Pavan Kumar. "Improving Transient Response of Cuk Converters Using Artificial Neural Network Based Controller." In Intelligent Algorithms for Analysis and Control of Dynamical Systems, 1–12. Singapore: Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-8045-1_1.

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Yuan, Zhichang, Licheng Li, Yongjun Liu, and Shukai Xu. "Research on HVDC Model in Transient Voltage Stability Analysis of AC/DC Transmission Systems." In Informatics in Control, Automation and Robotics, 485–93. Berlin, Heidelberg: Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-25992-0_67.

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Banerjee, Abhik, Pabitra Kumar Guchhait, Apurba Chatterjee, and V. Mukherjee. "Transient Voltage Analysis of a Hybrid Power System Model by Using Novel Symbiosis Organism Search Algorithm." In Advances in Computer, Communication and Control, 1–11. Singapore: Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-13-3122-0_1.

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Tay, Y. C. "Transient Analysis." In Analytical Performance Modeling for Computer Systems, 57–62. Cham: Springer International Publishing, 2010. http://dx.doi.org/10.1007/978-3-031-01795-7_9.

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Conference papers on the topic "Transient Analysis of Control Systems"

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Gheorghe, A. G., F. Constantinescu, and M. Nitescu. "Error control in circuit transient analysis." In 2009 16th IEEE International Conference on Electronics, Circuits and Systems - (ICECS 2009). IEEE, 2009. http://dx.doi.org/10.1109/icecs.2009.5410972.

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Monica, A., and Narayanappa. "Transient stability analysis of TNGT power system." In 2014 IEEE 8th International Conference on Intelligent Systems and Control (ISCO). IEEE, 2014. http://dx.doi.org/10.1109/isco.2014.7103935.

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SEPULVEDA, A., and I. JIN. "Design of structure/control systems with transient response constraints exhibiting relative minima." In 4th Symposium on Multidisciplinary Analysis and Optimization. Reston, Virigina: American Institute of Aeronautics and Astronautics, 1992. http://dx.doi.org/10.2514/6.1992-4736.

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Si, Yabin, Daowei Liu, Hongying Yang, Zonghan Li, and Youqing Wang. "Transient Stability Assessment of Power Systems Based on Slow Feature Analysis." In 2019 Chinese Control Conference (CCC). IEEE, 2019. http://dx.doi.org/10.23919/chicc.2019.8865842.

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Cannavo`, Cecilia, Roberto Cipollone, Silvio Antonio Pinamonti, and Antonio Sciarretta. "Innovative Air Estimation and Luenberger Observers in Model Based A/F Control." In ASME 8th Biennial Conference on Engineering Systems Design and Analysis. ASMEDC, 2006. http://dx.doi.org/10.1115/esda2006-95641.

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In this paper it has been demonstrated as the closed loop air fuel ratio (A/F) control system, equipped with a linear oxygen sensor (UEGO), can be improved with an innovative reformulation of the fuel injection control by means of a model based approach. The A/F control, within a rigorous speed-throttle logic (which avoids the use of the air flow-meters and of the pressure sensors inside the intake manifolds), can be designed using a Luenberger-type observer which includes the dominant dynamics of air, fuel and oxygen lambda sensor. The control has been developed and experimented on a research one-cylinder spark ignited engine (AVL 5401). The air mass reference can be supplied either by a stationary map, or, in substitution, by a physical gas dynamic code (Method of Transfer Function, MTF) which is able to compute cycle by cycle the pressure pumping fluctuation and the cylinder filling (volumetric efficiency) giving rise to an effective estimate of the volumetric efficiency during transients, avoiding in this way the use of experimental stored data. The experimental campaign on AVL 5401 has tested the control performances in transient conditions determined by moderate and severe unsteady maneuvers concerning both the load and the engine speeds, demonstrating the robustness of the proposed observer-based control strategy and the possibility to replace the map with the MTF code. The control is able to keep the A/F in the most part of transients around the stoichiometric, with transient control errors bounded within 3–4% in presence of critical throttle maneuvers which are more severe than in the usual operative conditions.
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Cutsem, Th, and M. Ribbens-Pavella. "Structure preserving direct methods for transient stability analysis of power systems." In 1985 24th IEEE Conference on Decision and Control. IEEE, 1985. http://dx.doi.org/10.1109/cdc.1985.268475.

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El-Guindy, Ahmed, Yu Christine Chen, and Matthias Althoff. "Compositional transient stability analysis of power systems via the computation of reachable sets." In 2017 American Control Conference (ACC). IEEE, 2017. http://dx.doi.org/10.23919/acc.2017.7963334.

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Caliskan, Sina Y., and Paulo Tabuada. "Towards a compositional analysis of multi-machine power systems transient stability." In 2013 IEEE 52nd Annual Conference on Decision and Control (CDC). IEEE, 2013. http://dx.doi.org/10.1109/cdc.2013.6760496.

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Shin, Jong-Yeob. "Parameter Transient Behavior Analysis on Fault Tolerant Control System." In AIAA Guidance, Navigation, and Control Conference and Exhibit. Reston, Virigina: American Institute of Aeronautics and Astronautics, 2003. http://dx.doi.org/10.2514/6.2003-5637.

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Dragon, J., M. Coumont, and J. Hanson. "Applicability of Non-Uniform Kuramoto Oscillators to transient stability analysis - a power systems perspective." In 2015 European Control Conference (ECC). IEEE, 2015. http://dx.doi.org/10.1109/ecc.2015.7330549.

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Reports on the topic "Transient Analysis of Control Systems"

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Gary D. Storrick, Bojan Petrovic, and Luca Oriani. Computer Models for IRIS Control System Transient Analysis. Office of Scientific and Technical Information (OSTI), January 2007. http://dx.doi.org/10.2172/933157.

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Ambastha, A. Pressure transient analysis for composite systems. Office of Scientific and Technical Information (OSTI), October 1989. http://dx.doi.org/10.2172/5496988.

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Heintze, Nevin. Control-Flow Analysis and Type Systems. Fort Belvoir, VA: Defense Technical Information Center, December 1994. http://dx.doi.org/10.21236/ada289338.

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Feddema, John Todd, Eric Paul Parker, John S. Wagner, and David Alan Schoenwald. Analysis and control of distributed cooperative systems. Office of Scientific and Technical Information (OSTI), September 2004. http://dx.doi.org/10.2172/919643.

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Bushnell, Linda G., and Hua Wang. Modeling and Analysis of Nonlinear Control Systems Using Exterior Differential Systems. Fort Belvoir, VA: Defense Technical Information Center, May 2001. http://dx.doi.org/10.21236/ada394034.

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D.W. Markman. REVIEW OF NRC APPROVED DIGITAL CONTROL SYSTEMS ANALYSIS. Office of Scientific and Technical Information (OSTI), September 1999. http://dx.doi.org/10.2172/862354.

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Sinha, Subhash. Analysis and Control of Parametrically Excited Dynamical Systems. Fort Belvoir, VA: Defense Technical Information Center, September 1998. http://dx.doi.org/10.21236/ada358020.

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Rugh, Wilson J. Analysis and Design Methods for Nonlinear Control Systems. Fort Belvoir, VA: Defense Technical Information Center, March 1990. http://dx.doi.org/10.21236/ada221621.

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Scholl, Lynn, Felipe Bedoya-Maya, Orlando Sabogal-Cardona, and Daniel Oviedo. Making the Links between Ride-hailing and Public Transit Ridership: Impacts in Medium and Large Colombian Cities. Inter-American Development Bank, October 2021. http://dx.doi.org/10.18235/0003697.

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As transit ridership continues to fall in many cities across the globe, key policy debates continue around whether Uber and other ride-hailing services are contributing to this trend. This research explores the effects of the introduction of ride-hailing to Colombian cities on public transportation ridership using Ubers timeline as case study. We test the hypothesis that ride-hailing may either substitute or compete with public transit, particularly in cities with large transit service gaps in coverage or quality. Our analysis builds on historic transit ridership data from national authorities and uses a staggered difference-in-difference model that accounts for fixed effects, seasonality, socioeconomic controls, and the presence of integrated transport systems. Despite large reductions in transit ridership in most cities, our results suggest that Uber is not statistically associated with the observed drop in ridership. Moreover, consistent with evidence from previous research, public transit reforms implemented between 2007 and 2015 throughout Colombian cities appear to have contributed substantially to the declines in transit ridership observed across the country. Findings in this paper inform policy-targeted insights and contribute to current debates of the links between ride-hailing and public transit in cities in Latin America.
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Teel, Andrew R. Hybrid Control Systems: Design and Analysis for Aerospace Applications. Fort Belvoir, VA: Defense Technical Information Center, February 2009. http://dx.doi.org/10.21236/ada495350.

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