Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 51 for “"SOH"”.
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Machine Learning Application in Energy Storage System’s State Estimation: State of Health (SOH)
… Since the estimation of battery state of health (SOH) is critical for the safety and the decision making such as warranty analysis, the battery SOH should be estimated accurately. In this work, we have employed measurable data such as current, voltage, and temperature towards developing different …
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State of Health Estimation System for Lead-Acid Car Batteries Through Cranking Voltage Monitoring
… cranking and provides a low state of health (SOH) warning of potential battery failure. A reliable SOH estimation should assist users in preventing a sudden battery failure and planning for battery replacement in a timely manner. Most commercial battery health estimation systems use the …
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Techno-economic modelling and optimization of second life battery packs, with a particular focus on accommodating inhomogeneities and module-to-module variations
… integrating heterogeneous State of Health (SOH) modules. The study begins by identifying prevalent lithium-ion battery chemistries and establishing a comprehensive modelling framework. Performance characterization is conducted using Hybrid Pulse Power Characterization (HPPC) tests, with a …
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Tensor Products and Factorizations of Operator Systems
… construct the self-dual operator Hilbert system SOH based on Pisier’s operator Hilbert space OH [29] and prove analogous structural results of SOH. This leads us to create a tensor product of finite-dimensional operator systems via factorization through SOH, denoted by γsoh. We prove various …
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A hybrid battery cell voltage equalizer considering thermal behavior and capacity fade characteristics
… for accurate estimation of state of health (SOH). The thesis proposes two novel methods for lithium-ion battery SOH tracking and estimation using the developed battery model. Furthermore, the thesis introduces a hybrid battery cell balancing topology designed to achieve optimum balancing …
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Control-oriented modeling and adaptive parameter estimation of a lithium ion intercalation cell
… state of charge (SOC) and state of health (SOH), for advanced BMS. To simultaneously estimate SOC and SOH of the cell, an extended adaptive observer, guaranteeing global stability for state tracking, is derived. This extended adaptive observer is based on a non-minimal representation of the …
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SYNTHESIS OF SMALL MOLECULE PROBES FOR PROTEIN SULFENIC ACIDS
… residues forming cysteine sulfenic acids (Cys-SOH) which are thought to be one of the most prevalent cysteine modifications, and formation of these species reversibly alters protein function. However, the subtle balance between oxidative signaling and damage is still unclear because of a lack …
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Characterisation and prediction of state of health of rechargeable batteries
… of a CPE is linked to battery state of health (SoH) and energy efficiency. This thesis shows that efficiency measurements with waveforms representative of real battery usage can be used to track battery SoH accurately.
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The Function and Regulation of Photobodies in Phytochrome Signaling
… gene, <italic>SON OF HEMERA</italic> (<italic>SOH</italic>). The <italic>soh</italic> mutations rescue all of the phenotypes associated with the weak <italic>hmr</italic> allele, and they do so in an allele-specific manner, suggesting a direct interaction between SOH and HMR. Null …
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Condition monitoring of lithium-ion batteries using broadband multisine excitation and electrochemical impedance spectroscopy
… to estimate various batteries State of Health (SOH) and State of Charge (SOC) characteristics. The lengthy acquisition time associated with standard EIS makes it unsuitable for rapid on-line impedance measurements. Alternative methods that take a shorter time have therefore been proposed. This …
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Caratterizzazione e massimizzazione dell'efficienza di impianti di produzione di energia elettrica da fonti rinnovabili tramite l'utilizzo di elettronica di potenza distribuita ed integrazione di sistemi di storage
… of State of Charge (SOC) and State of Health (SOH) of battery packs play a key role for the effective integration of battery packs in large PV plants. Because of the large amount of data to manage for both PV system and ESS, the algorithms developed in this work for the estimation of SOC and …
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The required ansatz to construct Lie point transformations and the symmetries of a first-order stochastic differential equation
… has been done by (Gaeta and Quintero [2]; Wafo Soh and Mahomed [41]; Unal [42]; Fredericks and Mahomed [43]). The determining equations for the first-order SODEs are derived in an Ito calculus context and are non-stochastic. Consequently, symmetries of an SODE are obtained without the …
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A Single-Frequency Impedance Diagnostic for State of Health Determination in Li-ion 4P1S Battery Packs
State-of-Health (SoH), a specified measure of stability, is a critical parameter for determining the safe operating area of a battery cell and battery packs to avoid abuse and prevent failure and accidents. A series of experiments were performed to evaluate the performance of a 4P1S battery array …
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Multidimensional Acculturation Among South Asians: Factor Structure of the Vancouver Index of Acculturation (VIA) and Relationship to Eating and Body-Image Disturbance
… now known to be experienced cross-culturally (Soh, Touyz, & Surgenor, 2006). However, research examining the associations between acculturation and eating pathology among ethnocultural groups is mixed. One reason for these conflicting findings relates to inconsistencies in the definitions and …
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Design and Implementation of A Three-Level Boost converter for Battery Impedance Spectroscopy
… the state of charge (Soc) and State of health (SoH) of a battery. The EIS is used to characterize the electrochemical behaviour thereby monitoring the change in the impedance of the cell of the battery. The EIS technique is accomplished by sinusoidally injecting current at different frequencies …
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Molecular and Functional Regulation of Akt2 by Oxidation
… following study, chemoselective reagents for -SOH oxidation were applied in conjunction with mass spectrometry to identify the linker region cysteine, Cys124, in the Akt2 kinase as a target of PDGF-stimulated oxidation. In vitro studies shown here demonstrate selective inactivation of the Akt2 …
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In-depth study and analysis of lithium-ion battery states using battery degradation data from electrochemical impedance spectroscopy
… state of charge (SOC), state of health (SOH), state of temperature (SOT), and state of power (SOP). The Electrochemical impedance spectroscopy (EIS) technique is a degradation diagnostic tool. The thesis covered the EIS principles, measurement techniques, and impedance data interpretation …
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Measuring Level of Degradation in Power Semiconductor Devices using Emerging Techniques
… to understand the overall state of health (SOH) of an IGBT power module. Through this research work, two emerging methods for online condition monitoring of power IGBTs and MOSFETs have been proposed. First method is based on reflectometry, more specifically, spread spectrum time domain …
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Insights into the chemistry of sulfur-containing molecules
… including (but not limited to) the HSO and SOH isomers, SO2, and Cl2SO. We conclude that GVB theory in conjunction with the recoupled pair bonding model is a valuable tool for the examination of bonding in a broad range of molecules, and this theoretical framework has allowed us to gain …
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A tool for analyzing the evolution of non-uniformities in lithium-ion cylindrical battery cells at the module level under various operating conditions
… in state-of-charge (SOC), state-of-health (SOH), and temperature, which significantly affect battery performance and lifespan. It provides a scalable, efficient tool for predicting thermal and electrical behavior across cell and module levels. This work contributes to the development of a …
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