In this course, you will learn how to implement different state-of-health estimation methods and to evaluate their relative merits. By the end of the course, you will be able to:
Este curso faz parte do Programa de cursos integrados Algorithms for Battery Management Systems
oferecido por
Programa de cursos integrados Algorithms for Battery Management SystemsSistema de Universidades do ColoradoUniversidade do ColoradoInformações sobre o curso
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Certificados compartilháveis
Tenha o certificado após a conclusão
100% on-line
Comece imediatamente e aprenda em seu próprio cronograma.
Prazos flexíveis
Redefinir os prazos de acordo com sua programação.
Nível intermediário
Aprox. 23 horas para completar
Inglês
Legendas: Inglês
O que você vai aprender
How to implement state-of-health (SOH) estimators for lithium-ion battery cells
Certificados compartilháveis
Tenha o certificado após a conclusão
100% on-line
Comece imediatamente e aprenda em seu próprio cronograma.
Prazos flexíveis
Redefinir os prazos de acordo com sua programação.
Nível intermediário
Aprox. 23 horas para completar
Inglês
Legendas: Inglês
oferecido por
Sistema de Universidades do ColoradoUniversidade do Colorado
The University of Colorado is a recognized leader in higher education on the national and global stage. We collaborate to meet the diverse needs of our students and communities. We promote innovation, encourage discovery and support the extension of knowledge in ways unique to the state of Colorado and beyond.
Programa - O que você aprenderá com este curso
4 horas para concluir
How does lithium-ion cell health degrade?
As battery cells age, their total capacities generally decrease and their resistances generally increase. This week, you will learn WHY this happens. You will learn about the specific physical and chemical mechanisms that cause degradation to lithium-ion battery cells. You will also learn why it is relatively simple to estimate and track changes to resistance, but why it is difficult to track changes to total capacity accurately.
4 horas para concluir
8 vídeos (Total 89 mín.), 12 leituras, 7 testes
8 videos
4.1.2: What changes as a cell ages?16min
4.1.3: Negative-electrode aging processes at particle surface16min
4.1.4: Negative-electrode aging processes in bulk and composite electrode9min
4.1.5: Positive-electrode aging processes10min
4.1.6: Sensitivity of cell voltage to changes in equivalent series resistance (ESR)17min
4.1.7: Sensitivity of cell voltage to changes in cell total capacity9min
4.1.8: Summary of "How does lithium-ion cell health degrade?"; what next?2min
12 leituras
Notes for lesson 4.1.11min
Frequently Asked Questions5min
Course Resources5min
How to Use Discussion Forums5min
Earn a Course Certificate5min
Notes for lesson 4.1.21min
Notes for lesson 4.1.31min
Notes for lesson 4.1.41min
Notes for lesson 4.1.51min
Notes for lesson 4.1.61min
Notes for lesson 4.1.71min
Notes for lesson 4.1.81min
7 exercícios práticos
Practice quiz for lesson 4.1.29min
Practice quiz for lesson 4.1.39min
Practice quiz for lesson 4.1.49min
Practice quiz for lesson 4.1.59min
Practice quiz for lesson 4.1.615min
Practice quiz for lesson 4.1.79min
Quiz for week 145min
4 horas para concluir
Total-least-squares battery-cell capacity estimation
Total capacity is often estimated using ordinary-least-squares (OLS) methods. This week, you will learn that this is a fundamentally incorrect approach, and will learn that a total-least-squares (TLS) method should be used instead. You will learn how to derive a weighted OLS solution, to use as a benchmark, and how to derive a weighted TLS solution also.
4 horas para concluir
7 vídeos (Total 68 mín.), 7 leituras, 7 testes
7 videos
4.2.2: How to find the ordinary-least-squares solution as a benchmark9min
4.2.3: Making the ordinary-least-squares solution computationally efficient12min
4.2.4: Setting up weighted total-least-squares solution11min
4.2.5: Finding the solution to a weighted total-least-squares problem10min
4.2.6: Confidence intervals on least-squares solutions11min
4.2.7: Summary of "Total-least-squares battery-cell capacity estimation"; what next?2min
7 leituras
Notes for lesson 4.2.11min
Notes for lesson 4.2.21min
Notes for lesson 4.2.31min
Notes for lesson 4.2.41min
Notes for lesson 4.2.51min
Notes for lesson 4.2.61min
Notes for lesson 4.2.71min
7 exercícios práticos
Practice quiz for lesson 4.2.19min
Practice quiz for lesson 4.2.215min
Practice quiz for lesson 4.2.315min
Practice quiz for lesson 4.2.49min
Practice quiz for lesson 4.2.515min
Practice quiz for lesson 4.2.615min
Quiz for week 245min
4 horas para concluir
Simplified total-least-squares battery-cell capacity estimates
Unfortunately, the weighted TLS solution you learned in week 2 is not well suited for efficient computation on an embedded system like a BMS. As an intermediate step toward finding an efficient weighted TLS method, you will first learn a proportionally weighted TLS method this week. You will then learn how to generalize this to an "approximate weighted TLS" (AWTLS) method, which gives good estimates, and is feasible to implement on a BMS.
4 horas para concluir
7 vídeos (Total 64 mín.), 7 leituras, 7 testes
7 videos
4.3.1: Simplifying the total-least-squares solution for cases having proportional uncertainties13min
4.3.2: Making simplified solution computationally efficient6min
4.3.3: Defining geometry for approximate full solution to weighted total least squares12min
4.3.4: Finding appropriate cost function for approximate full solution to WTLS problem8min
4.3.5: Finding solution to the AWTLS problem10min
4.3.6: Adding fading memory8min
4.3.7: Summary of "Simplified total-least-squares battery-cell capacity estimates"; what next?4min
7 leituras
Notes for lesson 4.3.11min
Notes for lesson 4.3.21min
Notes for lesson 4.3.31min
Notes for lesson 4.3.41min
Notes for lesson 4.3.51min
Notes for lesson 4.3.61min
Notes for lesson 4.3.71min
7 exercícios práticos
Practice quiz for lesson 4.3.115min
Practice quiz for lesson 4.3.220min
Practice quiz for lesson 4.3.39min
Practice quiz for lesson 4.3.49min
Practice quiz for lesson 4.3.515min
Practice quiz for lesson 4.3.615min
Quiz for week 345min
4 horas para concluir
How to write code for the different total-capacity estimators
So far this course, you have learned a number of methods for estimating total capacity. This week, you will learn how to implement those methods in Octave code. You will also explore different simulation scenarios to benchmark how well each method works, in comparison with the others. The scenarios are representative of hybrid-electric-vehicle (HEV) and battery-electric-vehicle (BEV) applications, but the principles learned can be extrapolated to other similar application domains.
4 horas para concluir
6 vídeos (Total 70 mín.), 6 leituras, 6 testes
6 videos
4.4.2: Demonstrating Octave code for HEV: Scenario 121min
4.4.3: Demonstrating Octave code for HEV: Scenarios 2–37min
4.4.4: Demonstrating Octave code for BEV: Scenario 16min
4.4.5: Demonstrating Octave code for BEV: Scenarios 2–310min
4.4.6: Summary of "How to write code for the different total-capacity estimators"; what next?9min
6 leituras
Notes for lesson 4.4.11min
Notes for lesson 4.4.21min
Notes for lesson 4.4.31min
Notes for lesson 4.4.41min
Notes for lesson 4.4.51min
Notes for lesson 4.4.61min
6 exercícios práticos
Practice quiz for lesson 4.4.115min
Practice quiz for lesson 4.4.215min
Practice quiz for lesson 4.4.315min
Practice quiz for lesson 4.4.415min
Practice quiz for lesson 4.4.515min
Quiz for week 445min
Avaliações
Principais avaliações do BATTERY STATE-OF-HEALTH (SOH) ESTIMATION
por AS8 de Abr de 2020
A detailed course on battery capacity estimation, which covers overall perspectives, and complications in the SOH estimation of the battery.
por VK29 de Mai de 2020
Good course. Nice insight on optimization techniques. Problems and cases studies are really good
Sobre Programa de cursos integrados Algorithms for Battery Management Systems
In this specialization, you will learn the major functions that must be performed by a battery management system, how lithium-ion battery cells work and how to model their behaviors mathematically, and how to write algorithms (computer methods) to estimate state-of-charge, state-of-health, remaining energy, and available power, and how to balance cells in a battery pack.
Perguntas Frequentes – FAQ
Quando terei acesso às palestras e às tarefas?
Access to lectures and assignments depends on your type of enrollment. If you take a course in audit mode, you will be able to see most course materials for free. To access graded assignments and to earn a Certificate, you will need to purchase the Certificate experience, during or after your audit. If you don't see the audit option:
- The course may not offer an audit option. You can try a Free Trial instead, or apply for Financial Aid.
- The course may offer 'Full Course, No Certificate' instead. This option lets you see all course materials, submit required assessments, and get a final grade. This also means that you will not be able to purchase a Certificate experience.
O que recebo ao me inscrever nesta Especialização?
Quando você se inscreve no curso, tem acesso a todos os cursos na Especialização e pode obter um certificado quando concluir o trabalho. Seu Certificado eletrônico será adicionado à sua página de Participações e você poderá imprimi-lo ou adicioná-lo ao seu perfil no LinkedIn. Se quiser apenas ler e assistir o conteúdo do curso, você poderá frequentá-lo como ouvinte sem custo.
Qual é a política de reembolso?
Se você se inscrever, terá 7 dias para testar sem custo e, durante este período, pode cancelar sem multa. Depois disso, não reembolsamos, mas você pode cancelar sua inscrição a qualquer momento. Veja nossa política para o reembolso total.
Existe algum auxílio financeiro disponível?
Sim, a Coursera oferece auxílio financeiro ao aluno que não possa pagar a taxa. Faça a solicitação clicando no link Auxílio Financeiro, abaixo do botão "Inscreva-se" à esquerda. Preencha uma solicitação e será notificado caso seja aprovado. Você terá que completar esta etapa para cada curso na Especialização, incluindo o Trabalho de Conclusão de Curso. Saiba mais .
Ganharei créditos universitários por concluir o curso?
Este curso não oferece créditos universitários, mas algumas universidades podem aceitar certificados de cursos que podem ser convertidos em créditos. Entre em contato com sua instituição para saber mais. Com os cursos on-line e os certificados Mastertrack™ do Coursera, é possível ganhar créditos universitários.
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