ORCA-VFD Dataset: Reliability, Degradation, and Remaining Useful Life Data for Variable Frequency Drives

<b>ORCA-VFD is a multi-domain dataset for reliability modeling and remaining useful life (RUL) estimation of variable frequency drives (VFDs).</b><br>The dataset integrates physics-derived sequences, processed fault-injection data, and field-informed degradation patterns to create a unified framework for lifecycle analysis and predictive maintenance research.This Figshare record contains the <b>full synthesized ORCA-VFD lifecycle dataset</b>, including:<b>100,000-hour lifecycle trajectories</b> spanning infant-mortality, useful-life, and wearout phases.<b>Anomaly score sequences</b> derived from physics-informed feature engineering.<b>Core-8 reliability features</b> computed from VFD electrical signatures.<b>Processed versions of physics, fault, and field datasets</b>, transformed into the standardized ORCA-VFD format.<b>Training, validation, and test sets</b> used for remaining useful life model development.<b>Metadata files</b>, including feature definitions and lifecycle documentation.Raw third-party datasets (e.g., Hanke physics data, PMSM fault data) are <b>not redistributed</b> here and are available at their original sources as cited in the ORCA-VFD manuscript.<br>This Figshare package includes only <b>newly created or transformed data</b>, compliant with open data licensing practices.The ORCA-VFD dataset supports research in:predictive maintenancephysics-informed machine learningVFD degradation modelingreliability engineeringRUL predictiondomain adaptation and cross-domain validationeconomic optimization of maintenance actionsThe companion GitHub repository provides the full modeling code, lifecycle synthesis scripts, feature engineering tools, and sample files:<br>https://github.com/gencaddy2/ORCA-VFD

**ORCA-VFD是一款面向变频驱动器（Variable Frequency Drives, VFD）可靠性建模与剩余使用寿命（Remaining Useful Life, RUL）估计的多领域数据集。**
该数据集整合了物理衍生序列、经处理的故障注入数据以及基于现场实测的退化模式，为生命周期分析与预测性维护研究构建了统一的研究框架。
本Figshare存档包含完整的合成版ORCA-VFD生命周期数据集，具体涵盖以下内容：
1. **覆盖婴儿期、正常使用期与磨损失效期的10万小时生命周期轨迹**
2. **基于物理信息特征工程得到的异常评分序列**
3. **从VFD电气特征中提取的核心8项可靠性特征**
4. **经标准化ORCA-VFD格式转换后的物理、故障与现场数据集处理版本**
5. **用于剩余使用寿命模型开发的训练集、验证集与测试集**
6. **元数据文件，包含特征定义与生命周期文档说明**
原始第三方数据集（如Hanke物理数据集、永磁同步电机（Permanent Magnet Synchronous Motor, PMSM）故障数据）并未在此处重新分发，相关内容可通过ORCA-VFD论文中引用的原始来源获取。
本Figshare数据包仅包含全新创建或经格式转换后的数据，符合开放数据许可规范。
ORCA-VFD数据集可支撑以下研究方向：
- 预测性维护
- 物理信息机器学习
- VFD退化建模
- 可靠性工程
- 剩余使用寿命预测
- 域自适应与跨域验证
- 维护行动的经济优化
配套的GitHub仓库提供了完整的建模代码、生命周期合成脚本、特征工程工具与示例文件：https://github.com/gencaddy2/ORCA-VFD