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lesson-fanuc-r-2000ic-retrieval-fix.json
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lesson-fanuc-r-2000ic-retrieval-fix.json
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{
"task_id": "lesson-fanuc-r-2000ic-retrieval-fix",
"title": "Fanuc R 2000Ic Retrieval Fix",
"domain": "general",
"tags": [
"contrib"
],
"problem": "访问者问\"fanuc r-2000ic 系列所有机器人的最大速度\",RAG 返回了 KUKA Series 2000 的数据。\n根因:语义检索模型 bge-base-zh-v1.5 将查询中的 \"2000\" 字符串匹配到 KUKA 文档中的 \"Series 2000\",\n未区分车品牌。跨品牌的数字型号字符串是语义检索的常见陷阱。",
"solution": "在 rag_core.py 的 retrieve() 函数中加入关键词强制召回模块。\n\n位置:rag_core.py 报警代码搜索之后、型号搜索之前\n\n```python\n_KW = re.compile(r'上位机|robot interface|寄存器读|寄存器写|读写寄存器', re.I)\nif _KW.search(query):\n kw_results = collection.get(\n where_document={\"$contains\": \"Robot Interface\"},\n limit=10,\n )\n for doc, meta in zip(kw_results[\"documents\"], kw_results[\"metadatas\"]):\n score = 0.92 if \"Robot Interface\" in doc[:500] else 0.85\n```\n\n打分原则:\n- 文档头部含特征词 0.92(插入到 Top)\n- 文档尾部含特征词 0.85(进入前 10)",
"source": "lessons/contrib/fanuc-r-2000ic-retrieval-fix.md",
"test_cmd": ""
}
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