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Relevant bibliographies by topics / Hybrid LPV

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Academic literature on the topic 'Hybrid LPV'

Author: Grafiati

Published: 9 March 2023

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Journal articles on the topic "Hybrid LPV"

1

Njeh, M., S. Cauet, and P. Coirault. "LPV control of ICE torque ripple in hybrid electric vehicles." IFAC Proceedings Volumes 44, no. 1 (2011): 2931–36. http://dx.doi.org/10.3182/20110828-6-it-1002.01345.

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Cauet, Sebastien, Erik Etien, and Laurent Rambault. "Mechanical sensorless LPV torque ripple control of hybrid electric vehicle." IET Control Theory & Applications 11, no. 16 (2017): 2761–71. http://dx.doi.org/10.1049/iet-cta.2017.0007.

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Malik, Arshad Habib, Aftab Ahmed Memon, and Feroza Arshad. "Fractional order multi-scheduling parameters based LPV modelling and robust switching H∞ controllers design for steam dump system of nuclear power plant." Mehran University Research Journal of Engineering and Technology 41, no. 2 (2022): 197–207. http://dx.doi.org/10.22581/muet1982.2202.19.

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In this research work, the highly challenging problem of novel modelling and nonlinear control of steam dump system of Pressurized Water Reactor (PWR) type Nuclear Power Plant (NPP) is attempted. The Fractional Order Multi- Scheduling Parameters based Multi-Input Single- Output Linear Parameter Varying (FO-MSP-MISO-LPV) model of Steam Dump System (SDS) is estimated with uncertain dynamics under sudden load variation transients. MSP for uncertain dynamics of SDS in FO framework is the most challenging problem and attempted in a novel fashion for the first time in nuclear industry. Scheduling parameters are dynamic in nature that makes the control problem more challenging. The Model is estimated experimentally by least square method using innovative plant operational data of opening positions of different valves as input variables and steam pressure as an output variable and cold leg coolant temperature coefficient of reactivity, hot leg coolant temperature coefficient, steam flow rate and turbine power as dynamic scheduling parameters. A switching controller is designed to address variable conditions of steam pressure for the actuation of dump valves, relief valves and safety valves in SDS. A robust fractional order LPV switching H∞ (RFO-LPV-SWH∞) controllers are formulated and designed for FO-MSP-MISO-LPV model. The design of RFO-LPV-SWH∞ controllers is another significant contribution in switching mode with non-integer and LPV hybrid framework. RFO-LPV-SWH∞ controllers are tested, simulated and validated against benchmark transients as laid down in Final Safety Analysis Report (FSAR) of PWR-type NPP. The input and output variables at first and second vertex of polytope are fast reference tracking under highly nonlinear uncertain dynamics of SDS. Closed loop simulation experiments are conducted and proved that the proposed closed framework is robust in performance under parametric uncertainty.

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Boukerrou, Hamid, Gilles Millerioux, and Marine Minier. "Hybrid architecture of LPV dynamical systems in the context of cybersecurity." IFAC-PapersOnLine 54, no. 8 (2021): 154–61. http://dx.doi.org/10.1016/j.ifacol.2021.08.596.

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Lescher, Fabien, Jing-Yun Zhao, and Pierre Borne. "Switching LPV Controllers for a Variable Speed Pitch Regulated Wind Turbine." International Journal of Computers Communications & Control 1, no. 4 (2006): 73. http://dx.doi.org/10.15837/ijccc.2006.4.2309.

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This paper deals with the control of a variable speed, pitch regulated wind turbine in the whole plant operating area. The wind turbine operating area can be divided into several zones, depending on the wind speed, and the control objectives are different for each operating zone. An hybrid control system composed by several LPV controllers which switches during transitions from one operating area to another is designed in order to ensure asymptotic stability and a good level of performances in the whole operating area. The LPV controllers are calculated from a convex LMI formulation of the problem in order to minimize an H2=H¥ criteria that optimizes the energy conversion of the system and that reduces the mechanical fatigue of the plant mechanical structure. The proposed controller is finally compared with two more conventional ones.

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Bett, Christopher J., and Michael D. Lemmon. "Bounded amplitude performance of switched LPV systems with applications to hybrid systems." Automatica 35, no. 3 (1999): 491–503. http://dx.doi.org/10.1016/s0005-1098(98)00180-0.

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Ileana Dumbrava, Ecaterina Elena, Lauren Brusco, Molly S. Daniels, et al. "Prevalence of incidental germline pathogenic (PV) and likely pathogenic (LPV) variants in hereditary cancer-related genes identified in matched tumor/normal sequencing of advanced solid tumors." Journal of Clinical Oncology 35, no. 15_suppl (2017): 1524. http://dx.doi.org/10.1200/jco.2017.35.15_suppl.1524.

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1524 Background: Next-generation sequencing (NGS) for tumor molecular profiling can reveal germline incidental mutations in hereditary cancer-related genes. The American College of Medical Genetics and Genomics (ACMG) has recommended that laboratories performing clinical sequencing seek and report PV and LPV in 56 genes. We assessed the prevalence of incidental germline LPV and PV in other cancer-related genes among patients undergoing hybrid capture sequencing of 201 cancer-related genes. Methods: Matched tumor and germline DNA NGS of a targeted panel of 201 genes was performed in 1000 patients (pts) with advanced or metastatic solid tumors enrolled in a molecular testing protocol (NCT01772771) in a research laboratory. We previously reported germline alterations in the putative most actionable genes as designated by ACMG (PMID: 26787237). We assessed the germline LPV and PV in 54 additional cancer-related genes. Results: Among the 1000 patients who underwent tumor and normal DNA sequencing, 37 patients (3.7%) were found to have a germline PV or LPV in the following genes: ATM (4); BAP1 (1); CDH1 (1); CDKN2A (1); CHEK1 (2); CHEK2 (10); EGFR (1); ERCC3 (4); ERCC5 (1); HNF1B (1); HRAS (1); MLL3 (1); NF1 (3); PKHD1 (4); PTCH1 (1) and SMARCA4 (1). Eight pts (22%) had previous genetic counseling and testing for various reasons, but only 3 pts (8%) had previously identified alterations (all with NF1 mutations). After discussion in our return of germline results board, it was decided to return the findings in established hereditary cancer predisposition genes with high penetrance: BAP1 (p.Y401X), CDH1 (p.C688X), CDKN2A (p.G101W), EGFR (p.T790M) and SMARCA4 (p.S332FfsX55) after validation in a CLIA laboratory. Conclusions: Return of the previously unrecognized germline LPV or PV in patients with advanced or metastatic cancers who undergo somatic profiling is of great interest. The exact genes for which the germline results should be returned is controversial. Broader genomic testing is likely to identify additional incidental germline alterations with potential clinical utility to patients and their relatives.

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Bin He and Minggao Yang. "Robust LPV control of diesel auxiliary power unit for series hybrid electric vehicles." IEEE Transactions on Power Electronics 21, no. 3 (2006): 791–98. http://dx.doi.org/10.1109/tpel.2006.872365.

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Cauet, S., P. Coirault, and M. Njeh. "Diesel engine torque ripple reduction through LPV control in hybrid electric vehicle powertrain: Experimental results." Control Engineering Practice 21, no. 12 (2013): 1830–40. http://dx.doi.org/10.1016/j.conengprac.2013.03.005.

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Liu, Xiaofeng. "An Improved Hybrid Kalman Filter Design for Aircraft Engine based on a Velocity-Based LPV Framework." International Journal of Aeronautical and Space Sciences 18, no. 3 (2017): 535–44. http://dx.doi.org/10.5139/ijass.2017.18.3.535.

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Dissertations / Theses on the topic "Hybrid LPV"

1

Hernandez, Torres David. "Commande robuste de générateurs électrochimiques hybrides." Thesis, Grenoble, 2011. http://www.theses.fr/2011GRENT075/document.

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L'objectif de cette thèse est la conception, dans un premier temps, des différentes stratégies de commande pour un générateur hybride composé par une pile à combustible et une source auxiliaire de stockage d'énergie. L'outil des Inégalités Linéaires Matricielles (LMI) est utilisé dans la thèse pour la solution du problème de la commande robuste et multi-variables. Dans un premier temps la commande se consacre à la gestion de la partie électrique de la pile. Des stratégies de commande sont proposées pour les convertisseurs élévateurs du bus continu mais aussi pour le contrôle d'un onduleur de tension conçu pour une opération en mode isolé du réseau. La validation d'une partie du contrôle sous un banc d'essai a été réalisée. Dans un deuxième temps, la commande de la partie fluidique de la pile a été traitée. La gestion de la dynamique de l'air en entrée de la pile est assurée par la commande du débit du compresseur. Le sous-système de compression d'air est régulé pour garantir un certain taux d'excès d'oxygène désiré, ce qui permet d'améliorer les performances de la pile. Une introduction au contrôle des systèmes à paramètres variants (LPV) est aussi présentée. Des études de robustesse des contrôleurs proposés ont été effectuées, et ces caractères robustes sont comparés avec plusieurs méthodes de commande classique, prouvant ainsi l'importance des méthodologies de commande robuste et multi-variables<br>The objective of this thesis is the design of several control strategies for a hybrid power generator composed by a fuel cell and an auxiliary energy storage source. The Linear Matrix Inequalities (LMI) tools are extensively used in this dissertation as a solution to the mutivariable robust control problem. As a first approach, the control methodology is consecrated to the electrical power management sub-system of the fuel cell. Different strategies are proposed to control the hybrid boost power converter configuration for DC voltage applications. The methodology is extended to AC islanded applications considering the additional control of a voltage inverter. The validation on a dedicated test-bench, of a part of the proposed control strategies, is presented. In a second approach, the control of the air supply system is addressed. The management of the air dynamic entering the fuel cell is assured by the control of the air flow of a compressor. The air supply sub-system is controlled to keep a desired oxygen excess ratio, this allow to improve the fuel cell performance. An introduction to the control of Linear Varying Parameter (LPV) systems is also presented. Robustness analysis studies are performed, these robust properties are contrasted with several classic control strategies, demonstrating the advantage and the importance of multivariable robust methodologies

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Ngan, Shing-kwong, and 顔成廣. "Comparison of electric vehicles, hybrid vehicles & LPG vehicles." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1999. http://hub.hku.hk/bib/B31254354.

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Ngan, Shing-kwong. "Comparison of electric vehicles, hybrid vehicles & LPG vehicles /." Hong Kong : University of Hong Kong, 1999. http://sunzi.lib.hku.hk/hkuto/record.jsp?B21301384.

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JACQUEMARD, PAUL. "Fluid field analysis on a flexible combustor for a hybrid Solar / Brayton system : A numerical study." Thesis, KTH, Skolan för industriell teknik och management (ITM), 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-287853.

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Recent improvements to concentrating solar dish systems lead to further focus on hybridization systems for small-scale power generation applications. Variability of the solar load creates new requirements for combustion systems. This thesis presents a CFD simulation of the air flow inside a new combustor design for the combination of an impinging air solar receiver and a MGT. The system consists of a LPP tubular combustor with radial main swirler and central pilot burner. Focus is made on the pressure loss at the downstream impinging cooling wall for appropriate flow distribution between reacting and bypass air. Heat transfer is not studied due to lack of time. A fully-hexahedral multi-zones mesh of the system without fuel injection has been generated with Ansys ICEM software, making use of its O-grid capabilities. A realizable k-epsilon model is used for turbulence modelling. Several impinging hole’s diameters are studied to find the right balance between the two streams. Streamlines are also observed to confirm the location of recirculation zones and recommend design improvements.<br>Nya förbättringar av koncentrerade solskålssystem leder till ytterligare fokus på hybridsystem för småskaliga applikationer för elproduktion. Ojämn solstrålning skapar nya krav på förbränningssystem. Detta examensarbete presenterar en CFD-simulering av luftflödet i en ny förbränningsdesign för en kombination av en solfångare med forcerad konvektionskylning och en mikrogasturbin (MGT). Systemet består av en LPP-rörbrännare med radiellt virvelsystem och central pilotbrännare. Studien fokuserar på tryckförlusten vid slaghålsväggen, som används för kylning vid förbränning, och lämplig flödesfördelning mellan reagerande- och förbigående flöde. Värmeöverföring studeras inte på grund av tidsbrist. Ett helt sexkantigt nät med flera zoner i systemet utan bränsleinsprutning har genererats med Ansys ICEM-programvara som använder O-nätfunktioner. En realiserbar k-epsilon-modell används för turbulensmodellering. Flera slaghålsdiametrar studeras för att hitta rätt balans mellan de två strömmarna. Även strömlinjer observeras för att bekräfta placeringen av återcirkulationszoner och kunna rekommendera förbättringar av designen.

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Hernandez, torres David. "Commande robuste de générateurs électrochimiques hybrides." Phd thesis, Université de Grenoble, 2011. http://tel.archives-ouvertes.fr/tel-00680983.

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L'objectif de cette thèse est la conception, dans un premier temps, des différentes stratégies de commande pour un générateur hybride composé par une pile à combustible et une source auxiliaire de stockage d'énergie. L'outil des Inégalités Linéaires Matricielles (LMI) est utilisé dans la thèse pour la solution du problème de la commande robuste et multi-variables. Dans un premier temps la commande se consacre à la gestion de la partie électrique de la pile. Des stratégies de commande sont proposées pour les convertisseurs élévateurs du bus continu mais aussi pour le contrôle d'un onduleur de tension conçu pour une opération en mode isolé du réseau. La validation d'une partie du contrôle sous un banc d'essai a été réalisée. Dans un deuxième temps, la commande de la partie fluidique de la pile a été traitée. La gestion de la dynamique de l'air en entrée de la pile est assurée par la commande du débit du compresseur. Le sous-système de compression d'air est régulé pour garantir un certain taux d'excès d'oxygène désiré, ce qui permet d'améliorer les performances de la pile. Une introduction au contrôle des systèmes à paramètres variants (LPV) est aussi présentée. Des études de robustesse des contrôleurs proposés ont été effectuées, et ces caractères robustes sont comparés avec plusieurs méthodes de commande classique, prouvant ainsi l'importance des méthodologies de commande robuste et multi-variables.

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Mason, Michael. "Hybrid coding of speech and audio signals." Thesis, Queensland University of Technology, 2001.

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7

Halpern, Melissa Dale. "The in vivo and in vitro effects of diethyldithiocarbamate on autoimmune New Zealand Black/White F₁ hybrid, MRL/Mp-lpr/lpr and related and normal murine strains." Diss., The University of Arizona, 1989. http://hdl.handle.net/10150/184940.

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New Zealand Black/White F₁ hybrid (NZB/W) and MRL/Mp-lpr/lpr (MRL/lpr) mice spontaneously develop a Systemic Lupus Erythematosus-like autoimmune disease. While the primary immunologic defect in the NZB/W is due to B cells, in the MRL/lpr it is a result of T cell abnormalities. Diethyldithiocarbamate (DTC), an agent suggested to enhance T cell function, was used to treat both strains. Weekly treatment of NZB/W mice with 25 mg/kg DTC had no significant effect upon survival or autoantibody levels but did induce changes in cell surface antigen expression. MRL/lpr mice treated with DTC displayed normalization of cell surface antigen expression (particularly increased expression of Lyt-2, macrophage markers and Lyt-2⁺/L3T4⁺ thymocytes), decreased lymphoproliferation and thymic atrophy, decreased serum autoantibody levels and kidney deposition of C3 and IgM, restored responses to mitogens and significantly prolonged survival. To determine both the influence of MRL background and lpr genes and to better understand on what cell populations DTC effects, changes in cell surface antigen expression were examined in DTC treated MRL-+/+, Balb/c, and Balb/lpr strains. The only consistent similarities observed between all strains tested were DTC induced changes in Mac-1 splenocyte surface antigen expression. In vitro studies showed DTC to have variable effects upon the mitogenic responses of lymphoid cells to phytohemagluttinin, but DTC alone stimulated both MRL/lpr and Balb/lpr lymphocytes. DTC stimulated the null cell population that predominates in lpr gene-bearing mice, but all observed in vitro effects of DTC were dependent upon the adherent cell population included in culture. DTC had no apparent direct effects upon adherent cells alone however. These studies have shown that DTC is capable of positive effects upon one autoimmune murine strain, the MRL/lpr, but not the NZB/W. DTC appears to affect macrophages, but other cell populations are required to obtain full activity of this compound. The variable effects of DTC emphasize the need to define the immunopathology of individual patients with autoimmune disease before initiating treatment with immunomodulative therapy.

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Reyss, Olivier. "Stratégies de contrôle embarquables d'un groupe moto-propulseur hybride de type bi-mode." Phd thesis, Université Paris Sud - Paris XI, 2008. http://tel.archives-ouvertes.fr/tel-00345795.

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Ces dernières années ont vu le marché automobile évoluer de manière importante, chahuté par un ensemble de contraintes géopolitiques et environnementales nouvelles, dont la principale est la nécessité de réduire les émissions de gaz à effet de serre. Une des solutions à moyen terme les plus prometteuses pour répondre à ce problème est l'hybridation des groupes moto-propulseurs. La complexification des transmissions alors engendrée pose des problèmes de contrôle dont les points clés sont : la rapidité des suivis du couple à la roue, du régime moteur et de la tension de l'élément de stockage dans un cadre multivariable, le découplage de ces suivis et la robustesse de la loi de commande face à un certain nombre de perturbations identifiées et aux non-linéarités. Un outil moderne répond à ces attentes, en proposant une approche fréquentielle, qui permet donc la traduction d'un cahier des charges précis : la synthèse H1. Dans cette thèse, nous poserons tout d'abord le contexte du marché automobile actuel, et nous déterminerons un modèle générique pour un ensemble de transmissions hybrides. Deux axes seront alors étudiés indépendamment. D'une part, nous présenterons une structure de loi de commande avantageuse reprenant l'approche moteur / boîte de vitesse que l'on retrouve dans un véhicule classique. D'autre part, nous mettrons en relief le fait que le système, bien que non linéaire, peut être abordé dans le cadre des systèmes linéaires à paramètres variants (LPV). Deux approches sont alors possibles : synthétiser un correcteur linéaire invariant, ou un correcteur également LPV. Pour faire ce choix nous mettrons en place plusieurs outils d'analyse, adaptés au cadre LPV, et réaliserons des simulations significatives. Dans le but d'implanter la loi de commande choisie dans un véhicule d'essais, une architecture logicielle sera alors définie, assurant la discrétisation et la bonne initialisation du correcteur. Les résultats obtenus sur prototype montrent que les outils utilisés sont bien adaptés aux transmissions hybrides, et qu'ils permettent un réglage fin des objectifs du cahier des charges.

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Debert, Maxime. "Stratégies optimales multi-critères, prédictives, temps réel de gestion des flux d'énergie thermique et électrique dans un véhicule hybride." Phd thesis, Université d'Orléans, 2011. http://tel.archives-ouvertes.fr/tel-00867007.

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La gestion d'énergie d'un véhicule hybride consiste à développer une stratégie, qui détermine à chaque instant la répartition des flux d'énergie thermique et électrique, minimisant la consommation globale du véhicule. La modélisation de la consommation du véhicule hybride permet d'écrire cette problématique sous la forme d'un problème d'optimisation dynamique sous contraintes d'évolutions. Ce problème est résolu de façon optimale lorsque l'ensemble des conditions de roulage sont connues à priori. La commande optimale obtenue sert de référence pour évaluer la performance des stratégies embarquées dans le véhicule. En s'appuyant sur la théorie de l'optimisation optimale, deux stratégies ont été crées : l'une prédictive qui a été testée sur un simulateur numérique et une autre, reposant sur le principe du problème dual, qui a été embarqué avec succès sur deux véhicules hybrides conventionnels. Pour les hybrides rechargeables, leur capacité énergétique et la possibilité de se recharger sur le réseau électrique libère des contraintes dans la problématique d'optimisation énergétique. C'est pourquoi, une nouvelle stratégie spécifique a été développée dans l'objectif de profiter au maximum de l'énergie électrique embarquée pour minimiser les émissions du véhicule. Pour l'ensemble des véhicules hybrides, la batterie est un composant clef dont le vieillissement vient modifier sa rentabilité économique et énergétique. C'est pourquoi un observateur a été conçu pour fournir une information précise de la température interne des cellules. Cette information est utilisée par une stratégie spécifique optimisant la consommation tout en préservant la batterie des températures extrêmes, nuisibles à sa longévité.

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Novosád, Jan. "Alternativní pohon automobilů." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2009. http://www.nusl.cz/ntk/nusl-228852.

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In this work is processed a survey of perspective alternative drives in motor vehicles. There are main characteristic for each mentioned drive, their advantages and disadvantages and problems associated with their use in vehicles. The work is aimed at gas engines, electro mobiles, hybrid drives and hydrogen, therefore the most likely drives the future.

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Books on the topic "Hybrid LPV"

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The Hybrid Church in the City. Ashgate Publishing, 2007.

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Book chapters on the topic "Hybrid LPV"

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Avendaño-Valencia, L. D., E. N. Chatzi, and S. D. Fassois. "In-Operation Wind Turbine Modal Analysis via LPV-VAR Modeling." In Rotating Machinery, Hybrid Test Methods, Vibro-Acoustics & Laser Vibrometry, Volume 8. Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-54648-3_6.

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Baek, Geumran, Eunhwan Kim, and Myung-Jin Bae. "A Study on Improving Accuracy of LPC Transmission Parameter under Digital Mobile Telephone Network." In Convergence and Hybrid Information Technology. Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-32692-9_86.

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Di Maio, Dario. "Use of Continuous Scanning LDV for Diagnostics." In Rotating Machinery, Hybrid Test Methods, Vibro-Acoustics & Laser Vibrometry, Volume 8. Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-30084-9_11.

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Faúndez-Zanuy, Marcos. "Adaptive hybrid speech coding with a MLP/LPC structure." In Lecture Notes in Computer Science. Springer Berlin Heidelberg, 1999. http://dx.doi.org/10.1007/bfb0100549.

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Magi, Fabrizio, Dario Di Maio, and Ibrahim Sever. "Scanning LDV Measurement Technology for Vibration Fatigue Testing." In Rotating Machinery, Hybrid Test Methods, Vibro-Acoustics & Laser Vibrometry, Volume 8. Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-30084-9_8.

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Frick, Anatol, and Reinhard Koch. "LDV Generation from Multi-View Hybrid Image and Depth Video." In 3D-TV System with Depth-Image-Based Rendering. Springer New York, 2012. http://dx.doi.org/10.1007/978-1-4419-9964-1_7.

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Trono, C., F. Chiavaioli, A. Giannetti, M. Brenci, and F. Baldini. "Thermostatized Flow Cell and Hybrid LPG-FBG Configuration for Accurate Measurement of Refractive Index." In Lecture Notes in Electrical Engineering. Springer New York, 2013. http://dx.doi.org/10.1007/978-1-4614-3860-1_58.

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Dizaji, Mehrdad Shafiei, and Zhu Mao. "A Hybrid-Attention-LSTM-Based Deep Convolutional Neural Network to Extract Modal Frequencies from Limited Data Using Transfer Learning." In Rotating Machinery, Optical Methods & Scanning LDV Methods, Volume 6. Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-04098-6_18.

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Abinash, Subhashree, and Sabyasachi Pattnaik. "A Hybrid Approach Based on Lp1 Norm-Based Filters and Normalized Cut Segmentation for Salient Object Detection." In Algorithms for Intelligent Systems. Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-5243-4_64.

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Lee, Chang Yeop, and Seung Wook Baek. "Experimental Study of Hybrid Reburning and SNCR Process for NO x Reduction in Various Oxygen-Enriched LPG Flame." In Challenges of Power Engineering and Environment. Springer Berlin Heidelberg, 2007. http://dx.doi.org/10.1007/978-3-540-76694-0_129.

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Conference papers on the topic "Hybrid LPV"

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Lei, Bingyao, Peng Shi, Hao Zhang, and Yushan Zhao. "Attitude Tracking LPV Control for Spacecraft with Hybrid Actuators." In 2019 Chinese Control Conference (CCC). IEEE, 2019. http://dx.doi.org/10.23919/chicc.2019.8866054.

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Abbas, H., S. M. Hashemi, and H. Werner. "Decentralized LPV Gain-Scheduled PD Control of a Robotic Manipulator." In ASME 2009 Dynamic Systems and Control Conference. ASMEDC, 2009. http://dx.doi.org/10.1115/dscc2009-2651.

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In this paper, low-complexity linear parameter-varying (LPV) modeling and control of a two-degrees-of-freedom robotic manipulator is considered. A quasi-LPV model is derived and simplified in order to facilitate LPV controller synthesis. An LPV gain-scheduled, decentralized PD controller in linear fractional transformation form is designed, using mixed sensitivity loop shaping to take — in addition to high tracking performance — noise and disturbance rejection into account, which are not considered in model-based inverse dynamics or computed torque control schemes. The controller design is based on the existence of a parameter-dependent Lyapunov function — employing the concept of quadratic separators — thus reducing the conservatism of design. The resulting bilinear matrix inequality (BMI) problem is solved using a hybrid gradient-LMI technique. Experimental results illustrate that the LPV controller clearly outperforms a decentralized LTI-PD controller and achieves almost the same accuracy as a model-based inverse dynamics and a full-order LPV controllers in terms of tracking performance while being of significantly lower complexity.

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Zhang, Xu, Rui Weng, Jianfeng Wang, Liang Nie, Yuejiang Han, and Hanxiao Chen. "Switched LPV Modeling and H2 Control for Hybrid Suspension with Mass Variation." In 2020 Chinese Automation Congress (CAC). IEEE, 2020. http://dx.doi.org/10.1109/cac51589.2020.9327563.

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Abbas, Hossam, Saulat S. Chughtai, and Herbert Werner. "A hybrid gradient-LMI algorithm for the synthesis of LPV gain-scheduled controllers." In 2009 European Control Conference (ECC). IEEE, 2009. http://dx.doi.org/10.23919/ecc.2009.7074932.

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Farhood, Mazen, and Eric Feron. "A parameter-dependent Lyapunov approach for the control of nonstationary and hybrid LPV systems." In 2009 American Control Conference. IEEE, 2009. http://dx.doi.org/10.1109/acc.2009.5160661.

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Gougeon, Pierre, and Ghislaine Ngo Boum. "Zonal Detached-Eddy Simulation Approach vs. URANS for the Prediction of the Flow Field Through a Low Pressure Vane Located Downstream of a Transonic High Pressure Turbine." In ASME Turbo Expo 2015: Turbine Technical Conference and Exposition. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/gt2015-43019.

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The present work aims at studying the aerodynamic flow field within the first Low Pressure Vane (LPV) located downstream of a transonic High Pressure Turbine (HPT). A Zonal Detached-Eddy Simulation (ZDES) which is an hybrid URANS (Unsteady Reynolds Averaged Navier-Stokes)-DES approach, appears as a good alternative in terms of computational cost and quality of turbulent phenomena description when it comes to the capture of key parameters of losses generation in a LPV. ZDES is used on the LPV and the unsteady periodic flow field coming from the upstream HPT is modelled through a nonuniform rotating inlet boundary condition. The result is compared to a URANS simulation carried out with the same mesh and numerical parameters: this enables to quantify the differences and to state on the benefit of an advanced turbulent approach. Turbulent mechanisms are assessed with the computation of the power spectral density at different locations in the domain. To complete the analysis, the two numerical predictions are compared to experimental data. Wakes and vortices evolutions are studied in detail making it possible to put them into perspective with the aerodynamic losses generated in the LPV.

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Kwiatkowski, A., H. Werner, J. P. Blath, and M. Schultalbers. "LPV controller synthesis for charge control of a car engine - A hybrid evolutionary algebraic approach." In European Control Conference 2007 (ECC). IEEE, 2007. http://dx.doi.org/10.23919/ecc.2007.7068370.

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Liu, Xiaofeng, and Naiyu Xue. "An improved hybrid Kalman filter design for aircraft engine based on a velocity-based LPV framework." In 2016 Chinese Control and Decision Conference (CCDC). IEEE, 2016. http://dx.doi.org/10.1109/ccdc.2016.7531288.

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Liu, Qin, Gerd Kaiser, Sudchai Boonto, et al. "Two-degree-of-freedom LPV control for a through-the-road hybrid electric vehicle via torque vectoring." In 2011 50th IEEE Conference on Decision and Control and European Control Conference (CDC-ECC 2011). IEEE, 2011. http://dx.doi.org/10.1109/cdc.2011.6161175.

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Orecchini, Fabio, Federico Villatico Campbell, and Adriano Alessandrini. "The HOST Vehicle Concept: Human Oriented Sustainable Transport." In ASME 2005 3rd International Conference on Fuel Cell Science, Engineering and Technology. ASMEDC, 2005. http://dx.doi.org/10.1115/fuelcell2005-74072.

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HOST is an innovative vehicle concept suitable for the urban transport of both persons and goods. To lower the impact of mobility on the cities, cleaner vehicles are not enough: an integrated passenger and freight strategy must be adopted. Cleaner vehicles must be specifically designed for the purpose to be better than conventional ones under any aspect, including costs. To lower such costs and to start up the Low Polluting Vehicles (LPV) market the versatility of LPVs has to be enhanced. HOST aims at developing a fully versatile low-cost LPV concept. Versatility is achieved by making HOST vehicle modular and cost reduction is obtained by using the same vehicle for different purposes, simply changing different cabins on the same chassis. The main four tasks HOST is conceived for are: • Nocturne collective taxi; • Daytime car sharing services; • Daytime freight collection and distribution; • Nocturne garbage collection. The four mentioned services are not the only ones HOST may be used for, but are those for which it is specifically studied. Such choice is made for one very simple reason: all of the four tasks belong to the same family of “municipal services”. Using the same chassis to operate all the different services is feasible and can finally create the critical mass of final users, so to reach convenient prices. The four services chosen, two addressing passenger mobility and two addressing freight mobility, go all in the way of reducing city mobility impact. Car sharing and nocturne collective taxi systems, if integrated with public transport, can increase its attractiveness, pushing more people to use it. Freight pick-up and delivery and garbage collection need a low polluting alternative to be re-organised, so to become sustainable. The powertrain layout and the possibility to easily vary the platform main dimensions enable HOST to be equipped with very different bodyworks, which let the car manufacturer provides both private and public bodies, such as municipalities or urban mobility authorities. More in detail the energy system is all included in the HOST platform and it is conceived in shaped boxes, so that its modules become inter-exchangeable. A series hybrid configuration let HOST to be equipped with an internal combustion engine (ICE) coupled with an energy recovery system (batteries+supercapacitors), anyhow is already designed to utilise fuel cells (FC) powered by pure hydrogen just changing the energy module (and the tank), being this last the final purpose of the concept design. Thanks to these two solutions HOST is able to run as a zero emission vehicle for a limited period (ICE) or for the whole driving cycle (FC). A full drive-by-wire solution is adopted and the only mechanical connections between the cabin and the platform will be a specifically designed mechanical anchorage, these solutions will allow the easy installation/removal of any cabin. The vehicle has four wheel drive capability (4WD), thus featuring a good grip even on slippery roads. The four electric motors (one per wheel) allow an easy traction control, ensuring stability and safety. The chassis has a four wheel total steering (4WS) configuration, that enables the vehicle to rotate around its vertical axis as well as the to shift horizontally. These characteristics give HOST decisive advantages for the missions it has been conceived for. The 4WS capability gives to the vehicle easy manoeuvring in little streets in the cities centres and they are useful for the accurate positioning to be easily accessible by wheel chairs, during freight loading/unloading operations and while it runs as a garbage truck. Only a modular vehicle featuring the reusing concept can cover contemporarily all the selected services: one vehicle chassis with different sizes interchangeable energy generation modules and different bodies, depending on the service it is used for. Such concept, other than abating the environmental impact, will allow: • a reduction of costs: one chassis can fit several bodies compensating the higher cost of a low environmental impact energy and traction system; • a reduction of occupied space: the vehicle is always in use, night and day; • a reduction of waste materials, increasing their lifetime; • an increased life of vehicles, due to the possibility of changing bodies and energy generation modules; • traffic congestion reduction: using and reusing one vehicle for several services.

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Reports on the topic "Hybrid LPV"

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Rask, E., D. Bocci, M. Duoba, and H. Lohse-Busch. Hyundai Avante LPi hybrid level 1 testing report. Office of Scientific and Technical Information (OSTI), 2012. http://dx.doi.org/10.2172/1034600.

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