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This paper presents a high level architecture for a robot, designed for item picking task for E-commerce fulfillment center. The architecture was designed to be modular and has features that allow the robot to operate in an E-commerce warehouse environment, where bin content changes over time. Our system was built upon the Robot Operating System (ROS), with the benefits of abstracting low level machine...
This paper describes a task scheduling method designed for a robotic picking system. The main goal of the system is to fulfill an order, ie, pick all the items in an order list and place them into the order bin, as fast as possible with the least number of unfulfilled items or errors. Picking an item on the list is considered as one task. The system will prioritize and schedule first the tasks with...
To keep up with the boom in e-commerce, fulfillment companies need to leverage robotics and automation to speed up delivery of orders to clients. In this paper, we present a mobile robot with suction grippers designed for item picking in an e-commerce fulfillment warehouse. The robot uses a novel visual marker that we have developed called VITag, to navigate towards the location of the items to be...
This paper describes the outcome of a pilot study of deploying humanoid social robots as a teaching aid in preschool classroom. Sixteen K2 students each from two pre-schools were recruited to test commercially available robots, Pepper and Nao. The robots were assigned to different schools and were programmed to deliver 6 lessons over a span of 3 months. To assess the deployment and the performance...
Automating item picking in the e-commerce warehouse is pressing but challenging, due to a massive variety of items, tight environmental constraints and item location uncertainty. In this paper, we present an effective and efficient strategy-based planning approach to implement the robotic picking from shelves for e-commerce. Making full advantage of a gripper with multiple securing methods, differentiated...
Autonomous robot driving decision strategy following road signs and traffic rules is described using simulation with a Turtlebot [1]. A fully autonomous robot driving strategy is presented, which follows human level logic in decision making. A vision-based autonomous vehicles navigation system for road vehicles includes three main parts: 1) road and traffic signs detection; 2) vehicle movement guidance...
Robots have been shown to assist in education and development of social skills in children. However, there has been no study yet that benchmarks the effectiveness of robots with respect to traditional playtools found inside a classroom, such as pretend play items and blocks. This paper presents the design, development and testing of robotic puppets, which would be used to support teaching in kindergarten...
When appropriate sensing and feedback are utilized, automation could be used in occupational therapy to aid patient rehabilitation. Previous studies have shown the feasibility of a system that uses inertial measurement units (IMUs) for sensing and vibrotactile feedback for correction. In this paper, we present a similar system with a reconfigured vibrotactile feedback. Multiple vibrotactile motors...
This paper presents an integrated system for upper limb rehabilitation which uses small inertia-based sensors and vibrotactile feedback devices. Vibrotactile feedback is incorporated together with two Inertial Measurement Units (IMUs) attached at the upper arm and the forearm to measure arm motions. The whole arm posture is modeled using three parameters — wrist position, elbow position, and forearm's...
For rehabilitation applications using multiple types of feedback can help speed up posture correction of the subject - visual cues are particularly helpful in providing global information to the subjects. This paper presents a system that aids students to mimic a master's arm posture using vibrotactile feedback and visual cues. The design of the vibrotactile feedback unit as well as the posture correction...
Posture measurement and correction using inertia sensors are finding applications in rehabilitation as well as in human robot interaction systems. This paper presents two designs of arm posture mapping and replication system using inertia sensors and vibrotactile feedback device. The designs differ in the number of vibrotactile actuators and the vibration feedback pattern used. User performance in...
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