Abstract
We introduce smart hand, a practical tool for human workers in pick-and-place tasks. It is developed to avoid picking up the wrong thing from one location or place the things in an unexpected location. Smart hand features sensors (e.g., imaging sensors, motion sensors) to sense the world and offers suggestions or aid based on the sensed results when a human worker is performing a pick-and-place task. A smart hand prototype is made in the study. In our design, the smart hand has an RGB-D sensor and an inertial measurement unit (IMU). RGB-D sensor is used to do object detection and distance/position estimation while IMU is used to track the motion of the smart hand. An experiment is conducted to compare the two working conditions that a subject performs the pick-and-place tasks with or without the smart hand. The experiment results proved that the smart hand can avoid human errors in pick-and-place tasks.
Highlights
Picking up parts in a production line and placing them with some rules is a very common task in a manufacturing plant
To avoid these circumstances and follow the rules involved in a pick-and-place task, the managers of manufacturing plants take steps to strengthen the production management by introducing the record management system, adding inspection procedures or increasing the break time to avoid exhaustion
We introduce smart hands to assist human workers in performing pick-and-place tasks
Summary
Picking up parts in a production line and placing them with some rules is a very common task in a manufacturing plant. The rules involved in these tasks include selection (which object to pick up), positioning (where to place) and some other task-specified rules like controlling torque or weight. The less amount of food or wrong kind of food in the box lunch can lead to customer dissatisfaction To avoid these circumstances and follow the rules involved in a pick-and-place task, the managers of manufacturing plants take steps to strengthen the production management by introducing the record management system, adding inspection procedures or increasing the break time to avoid exhaustion. The parts are usually fixed in a specified pose so that the screwdriver can be programmed to find a feed direction In this way, the selection and positioning problems won’t exist any more and the torque can be recorded and managed. We introduce smart hands to assist human workers in performing pick-and-place tasks.
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