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 20 of 115 for “"Sensor Design"”.
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Digital Sun Sensor Design for Nanosatellite Applications
In this research a novel, semi-custom design of a Sun sensor, based on the orthogonal photodiode array design approach, applicable for nanosatellites and other small spacecraft is proposed. A common and well-known strategy of application of a geometrical aperture mask on the light detectors is …
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Multimodal Soft Sensor Design through Single-Material Information Structuring
… heal damages. As technologies move towards the design of increasingly general-purpose robots, we require soft sensors which replicate these essential properties without sacrificing robustness, longevity, or straightforward fabrication. This thesis proposes a design framework in which multimodal …
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π-π conjugated compounds and gold nanostructures for sensor design /
… nanostructures for electrochemical and optical sensor design is presented. π-π conjugated compounds and gold nanostructures are materials which enhances sensors sensitivity towards analyte, e.g. in Raman spectroscopy they can enhance Raman signal. In this work green method for the synthesis of …
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Actuator and sensor design and modeling for structural acoustic control
… finite element model is investigated for the design and closed loop performance prediction of shaped and distributed sensors and actuators for structural acoustic control. Sensor and actuator design was found to be sensitive to nodeline discrepancies between the model and experiment caused by …
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High Temperature Heat Flux Measurement: Sensor Design, Calibration, and Applications
This effort is focused on the design, calibration, and implementation of a high temperature heat flux sensor for thermal systems research and testing. The High Temperature Heat Flux Sensor (HTHFS) was designed to survive in the harsh thermal environments typically encountered in hypersonic flight, …
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Wirelessly Powered Sensor Design with On-Chip Antenna in CMOS Technology
… growth of the Internet of Things (IoT), wireless sensor network (WSN) and bio-implantable devices. There are 7 billion of IoT devices in use in 2018, which starts to surpass the number of the mobile devices. To extend the next level of connectivity from smart phone or tablet to each of the …
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Sensing String Displacement as a Control Modality: Sensor Design and Implementation
… DMIs we describe an approach to instrument design in which the static 2-dimensional displacement of strings is a primary control modality. We review a variety of sensing techniques for this application, including optoelectronic, electro-magnetic field, resistive, and force. After …
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Inductive position/velocity sensor design and servo control of linear motor
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 1995.
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Interdigital dielectrometry sensor design and parameter estimation algorithms for non-destructive materials evaluation
… with fringing electric field dielectrometry sensors. The instrumentation includes interdigital sensors and sensor arrays, other types of fringing field sensors, electronic circuit boards for measurement of sensor signals, and mechanical setups for specific applications. The parameter …
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Investigation on Material Dispersion as a Function of Pressure and Temperature for Sensor Design
… The results obtained can be used in building a sensor that can be used for measuring dispersion as a function of pressure or temperature.
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Skin Friction Sensor Design Methodology and Validation for High-Speed, High-Enthalpy Flow Applications
This investigation concerns the design, build, and testing of a new class of skin friction sensor capable of performing favorably in high-speed, high-enthalpy flow conditions, such as that found in atmospheric re-entry vehicles, scramjets, jet engines, material testing, and industrial processes. …
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Advancing AFM Nanometrology Through Experimental FSI Quantification, Novel Sensor Design, and Fractional ODE-based Material Models
… environment. Next, a novel AFM cantilever sensor will be designed to tune the stiffness of the sensor according to the sample of interest. This dissertation will also focus on updating the current material models to characterize materials for a wide range of frequencies. Solving the …
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Towards and embeddable structural health monitoring sensor : design and optimization of MEMS piezoelectric vibration energy harvesters
… published experimental results. A series of design optimization studies is presented for four devices operating in an aircraft vibration environment.
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Tactile sensor design optimization for footwear applications from piezoresistive elastomer to Hall-effect integrated sensing methods
… and durability. In addition, current sensors are also unable to withstand the large impact forces and inertial noise associated with human locomotion. To address this issue, this thesis investigates alternative designs for a tactile force sensors that are largely inspired by …
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Integrated hardware, software, and sensor design for control of a scalable, continuous roll-to-roll microcontact printing process
… high-throughput production. Second, the design and implementation of an integrated control and automation system, integrating the novel sensing, is presented. Finally, an overview of the design and production of a precision machine incorporating the sensing, control and automation is …
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Responsive temperature and pressure sensor design for in-situ prosthesis monitoring applications based on the piezoelectric and pyroelectric effects in lead zirconate titanate
This thesis presents the development of a sensor based on the pyroelectric and piezoelectric effects that can be used to measure both temperature and/or axial stress for specific use within a prosthetic socket, and more generally as a responsive temperature sensor capable of detecting high …
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Development of Ground-Level Hyperspectral Image Datasets and Analysis Tools, and their use towards a Feature Selection based Sensor Design Method for Material Classification
… been studied in the context of autonomy as the sensors are large, expensive, and have non-trivial image capture times. This work presents three novel contributions: a Labeled Hyperspectral Image Dataset (LHID) of ground-level, outdoor objects based on typical scenes that a vehicle or pedestrian …
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Design and development of a distributed planar pressure sensor utilising electrical impedance tomography.
… used in conjunction with a flexible conductive sensor for the measurement of distributed pressure. The main application areas are for the constant monitoring of the pressure distribution between a patient and their support surface i.e. beds and wheel chairs, in order to reduce the formation of …
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