New Energy Battery Controller Open Circuit Fault

新能源汽车动力电池故障包括过充、过放、过热、外短路、内短路、电解液泄漏、膨胀等,这些故障会导致电池组内温度和压力的升高,进而引发电池系统热失控。为了预防新能源汽车安全事故, …

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How is a battery open fault diagnosed?

In addition, Zhou et al. also performed real-time fault diagnosis for battery open faults based on a dual-expansion Kalman filtering method, which uses only the current of the battery pack and the terminal voltages of the parallel battery modules in addition to other sensor data .

How to diagnose battery system fault in real-vehicle operation conditions?

In battery system fault diagnosis, finding a suitable extraction method of fault feature parameters is the basis for battery system fault diagnosis in real-vehicle operation conditions. At present, model-based fault diagnosis methods are still the hot spot of research.

How does a current sensor fault affect a battery?

Current sensor faults affect the estimation accuracy of state parameters such as state of charge (SOC), state of health (SOH) and remaining useful life (RUL). Voltage and temperature sensor faults may lead to errors in the battery thermal management system or incorrect battery equalization in the BMS.

What is a battery connection fault?

The resultant abnormality in the intercell contact resistance is defined as battery connection fault , . Such a type of fault can cause an uneven current flow into a cell, leading to a severe cell imbalance in a battery pack and an increase in heat generation . 4.1.3. SC faults

Are model-based fault diagnosis methods useful for battery management systems?

A battery management system (BMS) is critical to ensure the reliability, efficiency and longevity of LIBs. Recent research has witnessed the emergence of model-based fault diagnosis methods for LIBs in advanced BMSs. This paper provides a comprehensive review on these methods.

What are the different types of faults in a battery system?

This article provides a comprehensive review of the mechanisms, features, and diagnosis of various faults in LIBSs, including internal battery faults, sensor faults, and actuator faults. Future trends in the development of fault diagnosis technologies for a safer battery system are presented and discussed.

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PMSM Field-Oriented Control with Independent Speed and Flux

Presented in this article is a permanent magnet synchronous motor (PMSM) control under open-circuit fault (OCF) operation using field-oriented control (FOC) with independent speed and flux controllers. The independent control allows the motor to operate efficiently under varying conditions. A simplified control approach is employed to control the …

Research progress in fault detection of battery systems: A review

In this paper, the current research progress and future prospect of lithium battery fault diagnosis technology are reviewed. Firstly, this paper describes the fault types …

Recent advances in model-based fault diagnosis for lithium-ion ...

In particular, we offer (1) a thorough elucidation of a general state–space representation for a faulty battery model, involving the detailed formulation of the battery system state vector and …

(PDF) Advanced Fault Diagnosis for Lithium-Ion Battery …

However, various faults in a Li-ion battery system (LIBS) can potentially cause performance degradation and severe safety issues. Developing advanced fault diagnosis …

Recent advances in model-based fault diagnosis for lithium-ion ...

In particular, we offer (1) a thorough elucidation of a general state–space representation for a faulty battery model, involving the detailed formulation of the battery system state vector and the identification of system parameters; (2) an elaborate exposition of design principles underlying various model-based state observers and their ...

Detection of open circuit fault in battery power supply feeding ...

A Fault-Tolerant Bidirectional Converter for Battery Energy

Battery energy storage systems (BESSs) can control the power balance in DC microgrids through power injection or absorption. A BESS uses a bidirectional DC–DC converter to control the power flow to/from the grid. On the other hand, any fault occurrence in the power switches of the bidirectional converter may disturb the power ...

A Sliding Mode Observer-Based Open-Switch Fault Diagnosis for ...

For the main circuit of the converter, open-switch fault is one of the most common faults of DC/DC converter and the fault will also affect the safe operation. This paper proposes an open-switch fault diagnosis method for bidirectional DC/DC converter based on... Skip to main content. Advertisement. Account. Menu. Find a journal Publish with us Track your research …

Inverter Open Circuit fault diagnosis method based on ISMO for …

It consists of a controller, a driver circuit, a three-phase inverter circuit, and a sampling circuit. The RTUBOX-204 controller is equipped with a TMS320C28346 processor and integrated with MATLAB/Simulink. The high-precision current sampling module, RTS-CUR-253, features a response time of <0.5 µs, a standard accuracy of ±0.3 %, and a bandwidth of 200 …

Detection of open circuit fault in battery power supply …

Lithium-Ion Battery Cell Open Circuit Fault Diagnostics: Methods ...

Abstract: Battery fault diagnosis has great significance for guaranteeing the safety and reliability of lithium-ion battery (LIB) systems. Out of many possible failure modes of the series–parallel connected LIB pack, cell open circuit (COC) fault is a significant part of the causes that lead to the strong inconsistency in the pack and the ...

Analysis of 12 common fault types of the battery

With the development of the new energy industry chain, the technology and market scale of BMS are proliferating. In terms of technology, starting point research (SPIR) statistics show that in 2017, the cost of BMS accounted for …

(PDF) Advanced Fault Diagnosis for Lithium-Ion Battery …

However, various faults in a Li-ion battery system (LIBS) can potentially cause performance degradation and severe safety issues. Developing advanced fault diagnosis technologies is becoming...

A Fault-Tolerant Bidirectional Converter for Battery …

Detection of open circuit fault in battery power supply feeding ...

This study presents a model-based method for detecting an open-circuit fault in battery supply unit feeding a permanent magnet synchronous motor. Apart from the commonly …

Detection of open circuit fault in battery power supply feeding ...

This study presents a model-based method for detecting an open-circuit fault in battery supply unit feeding a permanent magnet synchronous motor. Apart from the commonly present DC voltage sensor at converter''s input, no additional sensors are required. As a first step, the DC supply system is modelled as a lumped parameter electric ...

Types and Control Technology of Drive Motors for New Energy

The "Three-electricity" system (battery system, electric drive system and electric control system) is the most important component of a new energy vehicle. Compared with the battery system, which determines the driving distance of the new energy vehicle,...

Open-Circuit Fault Diagnosis and Fault-Tolerent Control …

Abstract: This paper addresses an open circuit fault (OCF) diagnosis method and a fault-tolerant control for a non-isolated interleaved boost converter to optimize reliability. The studied structure is based on interleaved boost converter ensuring maximum power operation and a full bridge converter allowing the regulation of the battery voltage ...

Open-Circuit Fault Diagnosis and Fault-Tolerent Control Strategies …

Abstract: This paper addresses an open circuit fault (OCF) diagnosis method and a fault-tolerant control for a non-isolated interleaved boost converter to optimize reliability. The studied …

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Open-circuit fault diagnosis of three-phase PWM rectifier circuits ...

Fault diagnosis is becoming increasingly important in improving the reliability of power electronic devices. The research in this paper focuses on the issue of the faulty operation that can occur after partial IGBT open-circuit faults in three-phase PWM rectifier circuits. To promptly and effectively diagnose faults and to determine their locations, a fault diagnosis …

An exhaustive review of battery faults and diagnostic techniques …

The proposed method can efficiently and accurately detect internal short-circuit faults and has great potential for application in fault diagnosis of large energy storage battery …

An exhaustive review of battery faults and diagnostic techniques …

As a high-energy carrier, a battery can cause massive damage if abnormal energy release occurs. Therefore, battery system safety is the priority for electric vehicles (EVs) [9].The most severe phenomenon is battery thermal runaway (BTR), an exothermic chain reaction that rapidly increases the battery''s internal temperature [10].BTR can lead to overheating, fire, …

An exhaustive review of battery faults and diagnostic techniques …

The proposed method can efficiently and accurately detect internal short-circuit faults and has great potential for application in fault diagnosis of large energy storage battery packs. Meanwhile, Tran et al. proposed a real-time model-based sensor fault detection and isolation scheme for lithium-ion battery degradation [ 161 ].

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