What are the battery pack detection methods

Fault diagnosis and abnormality detection of lithium-ion battery …

This study investigates a novel fault diagnosis and abnormality detection method for battery packs of electric scooters based on statistical distribution of …

Online internal short circuit detection method …

Summary The timely and accurate detection of an internal short circuit (ISC) is critical for improving electric vehicle (EV) safety. Typical ISC detection approaches are based on consistency differ...

Internal short circuit detection for lithium-ion battery pack with …

Semantic Scholar extracted view of "Internal short circuit detection for lithium-ion battery pack with parallel-series hybrid connections" by Pan Yue et al. DOI: 10.1016/j.jclepro.2020.120277 Corpus ID: 213338368 Internal short circuit detection for lithium-ion battery

Electronics | Free Full-Text | Isolation and Grading of Faults in …

In this work, an intelligent fault diagnosis scheme for series-connected battery packs based on wavelet characteristics of battery voltage correlations is …

Internal short circuit detection method for battery pack based on …

The battery pack based on the individual DP(dual polarization) battery model is established to verify the ISCr detection method. The 1–1000 Ω s ISCr(the early stage ISCr) can be effectively detected within 1–125 s. The SLCT provides the possibility of new battery

Charging control strategies for lithium-ion battery packs: Review …

The authors in [] established an optimal charging control method for the lithium-ion battery pack using a cell to pack balancing topology as shown in Figure 15. In their study, following a multi-module charger, a user-involved methodology with the leader-followers structure is developed to control the charging of a series-connected lithium-ion …

Weld defect detection of power battery pack based on image …

Aiming at the welding quality of a power battery, a three-dimensional detection method based on the line laser sensor was proposed. Firstly, the depth data of the weld surface of the battery top cover is obtained by using a line laser sensor, and the defect area is segmented by using a multi thresholds segmentation method based on contour lines.

A novel semi-supervised fault detection and isolation method for battery …

A novel data-driven semi-supervised fault detection and isolation for electric vehicle battery systems. • The proposed data-driven method greatly saves the cost of manual labeling and is an efficient and economic technical scheme. • The proposed data-driven method ...

Everything You Need To Know About EV Battery and BMS …

Collection of data from the pack sensors and activation of the pack relays are accomplished by the pack''s battery monitoring unit (BMU) or battery management system (BMS). The BMS is also responsible for communications with the world outside the battery pack and performing other key functions, as described in the following section.

A correlation based fault detection method for short circuits in battery packs …

In order to avoid the influence of inconsistencies in the battery pack upon fault detection, this paper proposes a correlation based method for short circuit detection in lithium-ion battery packs. The main idea is to capture the unusual voltage variation at the initial phase of a short circuit fault by calculating the correlation coefficients of the cell …

A quantitative method for early-stage detection of the internal-short-circuit in Lithium-ion battery pack …

Aiming at the above issues, in this paper, we propose a quantitative method to detect the ISC in Li-ion battery packs. Noting that a battery management system is commonly equipped with an equalization system [38], we propose to detect the ISC by checking the actions of the balancing hardware – as the equalization system …

Batteries | Free Full-Text | Data-Driven Thermal …

The early detection and tracing of anomalous operations in battery packs are critical to improving performance and ensuring safety. This paper presents a data-driven approach for online anomaly detection in battery …

Data–Driven Fault Diagnosis and Cause Analysis of Battery Pack …

In this article, we address the detection of battery problems by using the intraclass correlation coefficient (ICC) method and the order of cell voltages to enhance …

Detection and isolation of faults in a lithium-ion battery pack using …

This paper presents a method of detecting a single occurrence of various common faults in a Lithium-ion battery pack and isolating the fault to the faulty PCM, its …

An insulation diagnosis method for battery pack based on battery …

A battery management system (BMS) ensures performance, safety and longevity of a battery energy storage system in an embedded environment. One important task for a BMS ...

Anomaly Detection Method for Lithium-Ion Battery Cells Based on …

Abnormalities in individual lithium-ion batteries can cause the entire battery pack to fail, thereby the operation of electric vehicles is affected and safety …

Internal short circuit detection method for battery pack based on …

In battery packs with parallel connection, the electrically parallel cells feed the short-circuit cell as it shows self-discharging behavior. Based on this current, the methods of [13][14] [15 ...

Algorithms | Free Full-Text | A Review of Lithium-Ion Battery Fault Diagnostic Algorithms: Current Progress and Future Challenges

The usage of Lithium-ion (Li-ion) batteries has increased significantly in recent years due to their long lifespan, high energy density, high power density, and environmental benefits. However, various internal and external faults can occur during the battery operation, leading to performance issues and potentially serious consequences, …

A correlation based fault detection method for short circuits in battery packs …

This paper presents a fault detection method for short circuits based on the correlation coefficient of voltage curves. The proposed method utilizes the direct voltage measurements from the battery cells, and does not require any additional hardware or effort in modeling during fault detection. ...

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