arXivDaily arXiv每日学术速递 周一至周五更新
arXiv周末暂无论文更新,休息一下吧,周末愉快~~
arXiv 2209.11368cs.RO
收藏

用于动态操作的多模态指尖传感器设计

Design of a Multimodal Fingertip Sensor for Dynamic Manipulation

Massachusetts Institute of Technology (MIT)(麻省理工学院)

Andrew SaLoutos, Elijah Stanger-Jones, Menglong Guo, Hongmin Kim, Sangbae Kim

摘要:

我们介绍了一个球形指尖传感器的动态操作。它基于气压和飞行时间接近传感器,具有低延迟、紧凑和物理健壮的特点。该传感器使用经过训练的神经网络,根据压力传感器的数据来估计接触位置和三轴接触力,压力传感器嵌入在聚氨酯橡胶传感器的球体内。飞行时间传感器面向三个不同的向外方向,集成的微控制器以高达200 Hz的频率对每个传感器进行采样。为了量化系统延迟对动态操作性能的影响,我们开发并分析了一个称为碰撞脉冲比的度量,并描述了我们新传感器的端到端延迟。我们还提出了与传感器的实验演示,包括测量接触过渡,执行粗映射,保持与移动物体的接触力,并作出反应,以避免碰撞。

英文摘要:

We introduce a spherical fingertip sensor for dynamic manipulation. It is based on barometric pressure and time-of-flight proximity sensors and is low-latency, compact, and physically robust. The sensor uses a trained neural network to estimate the contact location and three-axis contact forces based on data from the pressure sensors, which are embedded within the sensor's sphere of polyurethane rubber. The time-of-flight sensors face in three different outward directions, and an integrated microcontroller samples each of the individual sensors at up to 200 Hz. To quantify the effect of system latency on dynamic manipulation performance, we develop and analyze a metric called the collision impulse ratio and characterize the end-to-end latency of our new sensor. We also present experimental demonstrations with the sensor, including measuring contact transitions, performing coarse mapping, maintaining a contact force with a moving object, and reacting to avoid collisions.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

↑