Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 13 of 13 for “"contact sensors"”.
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Contact sensors for dexterous robotic hands
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1986.
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Video camera-based vibration measurement of infrastructure
… a healthy baseline to detect changes. Typically, contact sensors such as accelerometers have been used to measure vibrations. When physical access to a structure is limited or the placement of contact sensors is too time-consuming, new technologies that allow for non-contact measurements can be …
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Multi-object recognition and retrieval using Puma560 robot
… can be acquired using visual and ultra-sonic sensors. The second issue is the development of efficient algorithms for the retrieval of multi-objects based on their features; The methods and algorithms developed in this research are verified on a Unimation PUMA 560 robot. Non contact sensors (a …
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Video based structural health monitoring using virtual visual sensors
… maintenance and repair. Traditionally, discrete contact sensors such as strain gages or accelerometers have been used for SHM. However, distributed remote sensors could be advantageous since they don’t require cabling and can cover an area rather than just a few discrete points. Along this line a …
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Enhancing Quadruped Robot Design With Intelligent Physics-Informed Neural Network-Assisted Dynamic State Estimation and Active Spine Integration
… Equations, and eliminates the need for external contact sensors by identifying terrain interactions, improving odometry, and operational reliability in real-world scenarios. Next, the focus is on enhancing the physical limitations of traditional robotics platforms. To achieve this, we utilize a …
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Occupancy monitoring and prediction in ambient intelligent environment
… monitoring technique uses occupancy detection sensors with unobtrusive features to monitor occupancy in the environment. Initially the occupancy detection is conducted for a purely single-occupant environment. Then, it is extended to the multipleoccupant environment and associated problems are …
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Effect of Vibration of Unconsolidated Sand on the Performance of Interferometric Vibration Sensors
<p>Interferometric vibration sensors are widely used for ground vibration measurements where traditional contact sensors are not desired. Laser Doppler vibrometers (LDV) and digital speckle pattern interferometers are studied in this thesis. The working principle of laser Doppler vibrometry and …
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Relatively robust grasping
… 4-DOF Barrett Hand equipped with force and contact sensors. Our approach is generalizable to almost any sensor type, as well as wide ranges of sensor error and pose uncertainty.
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Vision-based robust structural dynamic monitoring and modal identification using stationary and drone-based imaging systems.
… Vision-based SHM has emerged as a promising non-contact alternative to conventional SHM approaches for estimating structural response and modal parameters. However, vision-based system identification comes with several practical challenges due to low sub-pixel structural motion, hardware …
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Control and estimation of hidden mode hybrid systems with applications to autonomous systems
… of applications, such as autonomous systems with contact, urban transportation systems, human-automation systems as well as fault and attack identification in cyber-physical systems. However, the literature on feedback control and estimation approaches for such systems is rather sparse. The main …
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IntelliChair: a non-intrusive sitting posture and sitting activity recognition system
… such as eating, cooking, etc. In general, the sensors employed (e.g. PIR sensors, contact sensors) provide low resolution information. Meanwhile, the expansion of ubiquitous computing allows researchers to gather additional information from different types of sensor which is possible to improve …
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Extrusion Printing of Carbon Nanotube Inks, from Rheology to Electronics
… to power embedded LEDs while flexing; as contact sensors; and as interdigitated capacitors for liquid imbibition. Next, taking inspiration from wet fiber-spinning processes, a method of extruding CNT inks into a coagulating liquid bath of non-solvent is introduced, generating rapidly …
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Soft pneumatic devices for blood circulation improvement
… transducer. It has been used to gauge the contact pressure between the actuator and the subject’s skin in order to correlate the level of discomfort to the supply pressure, and to feed this value back to regulate the supply air flow. In order for the massage to be still effective without …