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从 500 Hz 控制到 30 Hz 数据集:Action 降采样如何改变控制语义
通过 UR10e 录制与回放实验,分析高频控制事件被抽取为低频 dataset action 后,时间作用范围与执行解释发生的变化,并用典型的 300 Hz 推理式插值检验这种变化。
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把不同频率的数据流写进同一个 MCAP
用独立采集节拍、事件时间戳和单一写入器,将图像、机器人状态与控制指令可靠地录制到同一份 MCAP 文件。
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RPent + DeepSeek:让机械臂在仿真中学会抓取、堆叠与复用经验
A look at RPent and DeepSeek controlling a robot arm in MotrixSim to grasp and stack blocks, reuse operating experience through memory, and complete 10 randomized layouts while revealing challenges in reliable learning and efficient reasoning.
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Implementing Knowledge Insulation in OpenPI
How Knowledge Insulation separates FAST and flow-matching gradients in OpenPI, and why sharing the VLM forward changes the training objective.