Xiaomi Unveils Enhanced HAD Driver-Assist System with Reinforcement Learning, World Models, and New AES Emergency Steering
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Phoenix Tech News, November 21 — At the Guangzhou Auto Show today, Xiaomi Auto officially launched its enhanced Xiaomi HAD driver-assistance system and revealed major advances in its intelligent driving technology and talent strategy. The company said it is accelerating its AI investment, allocating over 7 billion RMB(980 million USD) to AI R&D in 2025 alone. Xiaomi's autonomous driving team has now expanded to 1,800 specialists, including 108 PhDs.
The upgraded Xiaomi HAD system introduces significant architectural changes. Beyond the previously disclosed dataset of 10 million training clips, the new version incorporates reinforcement learning and a world model, pursuing an end-to-end approach to improve driving performance. With the world model, the system can generate digital scenarios—including extreme weather (fog, snow), complex road conditions, and sudden collision situations—and train algorithms using reward functions to shift from "rule-driven" to "learning-driven" behavior. Xiaomi noted that its world-model research has been recognized by top AI conferences such as ICCV and NeurIPS.
To address real-world driving pain points, Xiaomi has strengthened both longitudinal and lateral control. In common cut-in scenarios, the system now uses large-model prediction to determine adjacent vehicles' merging intentions, reducing unnecessary braking. At complex intersections—such as right-side left-turn lanes—the system shows improved navigation understanding and detour handling.
A major highlight of the release is the rollout of AES (Active Emergency Steering). When AEB (Automatic Emergency Braking) alone cannot prevent a collision and surrounding conditions are safe, AES can automatically execute an evasive lane change. The feature operates at 80–135 km/h.
Core safety functions have also undergone a major upgrade. Forward AEB now covers 1–135 km/h and adds recognition of non-standard obstacles such as crash barrels, water barriers, posts, and walls. Reverse AEB supports 1–30 km/h in backing scenarios. Xiaomi emphasized that sensitivity tuning has been carefully balanced to ensure accurate intervention while minimizing false triggers.
These intelligent-driving updates will be included in Xiaomi HyperOS version 1.11.0. Rollout timing may vary by model due to certification processes, but the company says it is working to deliver the update as quickly as possible. source：ifeng
