Episode Details

South Korean researchers have developed a drone designed to stay level when transporting goods over many kinds of surfaces. 

韩国研究人员开发了一种无人机，旨在在多种表面上运输货物时保持水平。 

A team at Seoul National University of Science and Technology built a prototype, or test model of the drone. The team recently demonstrated the aircraft for reporters from Reuters. 

首尔国立科技大学的一个团队构建了无人机的原型或测试模型。该团队最近向路透社记者展示了这架飞机。 

The prototype has a transport carrier attached to a drone structure. It is supported by several propellers and rotors that control its height, speed and direction in the air. The aircraft has a handle workers can push to guide it where it needs to go. 

该原型机有一个连接到无人机结构的运输载体。它由多个螺旋桨和旋翼支撑，控制其在空中的高度、速度和方向。飞机有一个手柄，工作人员可以推动以引导飞机前往需要的地方。 

Members of the development team showed how the drone can keep itself level while floating, even when transporting goods up or down stairs. Leaders of the research say the drone is programmed to predict human actions for effective interactions. 

开发团队成员展示了无人机如何在漂浮时保持水平，甚至在上下楼梯运输货物时也是如此。该研究的领导者表示，无人机经过编程可以预测人类的行为，以实现有效的互动。

Lee Seung-jae is a professor of mechanical system design engineering at Seoul National University of Science and Technology. He was a leader of the project. The research results appeared in a study in IEEE Robotics and Automation Letters. The publication is part of the Institute of Electrical and Electronics Engineers, based in New York. 

Lee Seung-jae 是首尔国立科技大学机械系统设计工程教授。他是该项目的领导者。研究结果发表在《IEEE 机器人与自动化快报》的一项研究中。该出版物是纽约电气和电子工程师协会的一部分。 

Lee told Reuters tests of the drone showed it could transport objects up to 3 kilograms. He admitted this weight restriction likely limits the drone’s use cases for many businesses. But he noted that the transporter’s design and operating equipment could be used to create a series of other kinds of drone vehicles. 

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