AI Engineering on Zhengyu Chen https://prov1dence.top/categories/ai-engineering/ Recent content in AI Engineering on Zhengyu Chen Hugo -- 0.143.1 en-us Thu, 15 Oct 2026 10:00:00 +0800 Physical AI and Simulation Generation Basics https://prov1dence.top/posts/ai-agents/physical-ai-simulation-basics/ Mon, 22 Jun 2026 10:00:00 +0800 https://prov1dence.top/posts/ai-agents/physical-ai-simulation-basics/ A dependency-ordered primer on Physical AI, embodied AI, simulation-ready assets, targeted datasets, sim-to-real, robot learning, and agent-guided generation. Local Hybrid Retrieval for Private Knowledge Bases https://prov1dence.top/posts/ai-agents/local-hybrid-retrieval/ Sat, 20 Jun 2026 10:00:00 +0800 https://prov1dence.top/posts/ai-agents/local-hybrid-retrieval/ Structured queries, inverted indexes, BM25, vector embeddings, reciprocal-rank fusion, SQLite architecture, and local privacy boundaries.