Mr. Sumit Kumar Das Profile

Sumit Kumar Das

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Publications (4)

Proceedings Article | 16 May 2017 Presentation + Paper

Mobile app for human-interaction with sitter robots

Sumit Kumar Das, Ankita Sahu, Dan Popa

Proceedings Volume 10216, 102160D (2017) https://doi.org/10.1117/12.2262792

KEYWORDS: Robots, Human-machine interfaces, Tablets, Robotics, Pollution control, Medicine, Safety, Mobile communications, Cameras, Video, Sensors

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Human environments are often unstructured and unpredictable, thus making the autonomous operation of robots in such environments is very difficult. Despite many remaining challenges in perception, learning, and manipulation, more and more studies involving assistive robots have been carried out in recent years. In hospital environments, and in particular in patient rooms, there are well-established practices with respect to the type of furniture, patient services, and schedule of interventions. As a result, adding a robot into semi-structured hospital environments is an easier problem to tackle, with results that could have positive benefits to the quality of patient care and the help that robots can offer to nursing staff. When working in a healthcare facility, robots need to interact with patients and nurses through Human-Machine Interfaces (HMIs) that are intuitive to use, they should maintain awareness of surroundings, and offer safety guarantees for humans. While fully autonomous operation for robots is not yet technically feasible, direct teleoperation control of the robot would also be extremely cumbersome, as it requires expert user skills, and levels of concentration not available to many patients.

Therefore, in our current study we present a traded control scheme, in which the robot and human both perform expert tasks. The human-robot communication and control scheme is realized through a mobile tablet app that can be customized for robot sitters in hospital environments. The role of the mobile app is to augment the verbal commands given to a robot through natural speech, camera and other native interfaces, while providing failure mode recovery options for users. Our app can access video feed and sensor data from robots, assist the user with decision making during pick and place operations, monitor the user health over time, and provides conversational dialogue during sitting sessions. In this paper, we present the software and hardware framework that enable a patient sitter HMI, and we include experimental results with a small number of users that demonstrate that the concept is sound and scalable.

Proceedings Article | 16 May 2017 Presentation + Paper

Optimal accelerometer placement on a robot arm for pose estimation

Indika Wijayasinghe, Joseph Sanford, Shamsudeen Abubakar, Mohammad Nasser Saadatzi, Sumit K. Das, Dan Popa

Proceedings Volume 10216, 102160B (2017) https://doi.org/10.1117/12.2262918

KEYWORDS: Sensors, Signal to noise ratio, Error analysis, Monte Carlo methods, Robotics, Robots

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Proceedings Article | 13 May 2016 Paper

Package analysis of 3D-printed piezoresistive strain gauge sensors

Sumit Kumar Das, Joshua Baptist, Ritvij Sahasrabuddhe, Woo H. Lee, Dan Popa

Proceedings Volume 9859, 985905 (2016) https://doi.org/10.1117/12.2224352

KEYWORDS: Sensors, Skin, Finite element methods, 3D modeling, Polymers, Silicon, Resistance, Polymeric sensors, Data modeling, Gold

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Proceedings Article | 13 May 2016 Paper

Human-like object tracking and gaze estimation with PKD android

Indika Wijayasinghe, Haylie Miller, Sumit K. Das, Nicoleta Bugnariu, Dan Popa

Proceedings Volume 9859, 985906 (2016) https://doi.org/10.1117/12.2224382

KEYWORDS: Head, Eye, Detection and tracking algorithms, Cameras, Virtual reality, Robots, Eye models, Imaging systems, Computing systems, Human subjects

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