A battery state-of-charge indicator for electric wheelchairs

Aylor, J.H.; Thieme, A.; Johnso, B.W.

doi:10.1109/41.161471

Cited by 187 publications

(106 citation statements)

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“…Wheelchairs are mostly powered by deep-discharge Lead-Acid batteries [34]. The range of power wheelchairs can be increased by the use of wet, rather than gel, batteries and can be over 50 km [35].…”

Section: Motorised Wheelchairsmentioning

confidence: 99%

Biomedical applications of batteries

Latham

2004

Solid State Ionics

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An overview is presented of the many ways in which batteries and battery materials are used in medicine and in biomedical studies. These include the use of batteries as power sources for motorised wheelchairs, surgical tools, cardiac pacemakers and defibrillators, dynamic prostheses, sensors and monitors for physiological parameters, neurostimulators, devices for pain relief, and iontophoretic, electroporative and related devices for drug administration. The various types of battery and fuel cell used for this wide range of applications will be considered, together with the potential harmful side effects, including accidental ingestion of batteries and the explosive nature of some of the early cardiac pacemaker battery systems. +44-116-257-7146 0r +44 -7703-21185;, fax +44-116-250-6431; email rgl@dmu.ac.uk AbstractAn overview is presented of the many ways in which batteries and battery materials are used in medicine and in biomedical studies. These include the use of batteries as power sources for motorised wheelchairs; surgical tools; cardiac pacemakers and defibrillators; dynamic prostheses; sensors and monitors for physiological parameters; neurostimulators; devices for pain relief; and iontophoretic, electroporative and related devices for drug administration. The various types of battery and fuel cell used for this wide range of applications will be considered, together with the potential harmful side effects, including accidental ingestion of batteries and the explosive nature of some of the early cardiac pacemaker battery systems.

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Section: Motorised Wheelchairsmentioning

confidence: 99%

Biomedical applications of batteries

Latham

2004

Solid State Ionics

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“…Os métodos apresentados em [22]- [26] utilizam a técnica de contagem coulômbica ou integradores de correntes como base para a determinação do SOC.…”

Section: R -Resistência Interna Da Bateriaunclassified

“…O método desenvolvido por Avlor [22], em 1992, aplicado para baterias chumbo-ácidas utiliza uma combinação do método OCV e medidas de integração de corrente. Nesse trabalho é possível contornar a deficiências de ambas as técnicas e fornecer uma indicação de SOC mais precisa.…”

Section: R -Resistência Interna Da Bateriaunclassified

“…Essa consideração pode ser contornada com o investimento de sensores de medida de corrente mais precisos. O segundo ponto é que nem toda corrente fornecida para a bateria é consumida pelo processo de carga, e nesse caso as perdas devem ser consideradas, nesse âmbito, há trabalhos na literatura que apresentam aproximações para a inserção dessas perdas [22][41] com objetivo de corrigir o valor do SOC.…”

Section: Ibatt é a Corrente Na Bateriaunclassified

“…O processo linearizado e o modelo de medição torna-se, Equações (20) e (21): Estimativa do estado, Equação (22).…”

Section: Estimativas Do Estado De Carga Usando Filtros Probabilísticosunclassified

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