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Showing 1 to 20 of 51 for “"NILM"”.
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Home NILM : a comprehensive energy monitoring toolkit
In this thesis we present two powerful new non-intrusive sensor designs, one for measuring equipment power consumption and one for measuring equipment vibration. We also discuss a unified data management framework for storing, processing, and viewing the large amounts of information collected from …
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The NILM Dashboard : watchstanding and real-time fault detection using Non-intrusive Load Monitoring
Non-intrusive Load Monitoring (NILM) measures power at a central point in an electrical network and disaggregates individual load schedules from the overall power stream. This thesis presents the NILM Dashboard, a data-analysis and user interface tool that provides real-time machinery monitoring …
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Improving shipboard applications of non-intrusive load monitoring
The Non-Intrusive Load Monitor (NILM) measures equipment performance by measuring and analyzing the source power to the equipment at a single point in the electrical system. Previous studies have proven the usefulness of the NILM system in characterizing the state of mechanical systems onboard U.S. …
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Disaggregation of residential home energy via non-intrusive load monitoring for energy savings and targeted demand response
… to the wall. Non-Intrusive Load Monitoring (NILM) is one such disaggregation option. NILM is widely recognized as one of the most cost-effective methods for gathering disaggregated energy data while maintaining a high level of accuracy. Although the technology has existed for many years, the …
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Shipboard Fault Detection, Marine Micro-Grid Power Diagnostics and Vessel Ventilation Monitoring
… transients enables a non-intrusive load monitor (NILM) to ‘learn’ healthy load behavior. Changes in transient behavior is indicative of soft faults and potentially progressive failure, which a NILM can alert watch-standers to. Technological upgrades to the NILM prototype have enabled timely …
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Energy disaggregation techniques for visualization and improvement of energy efficiency in processes and buildings
… approaches is the Non-Intrusive Load Monitoring (NILM) approach, which provides users with a parts-based representation of the energy demand by estimating each individual consumption, using only the energy demand measurements of the entire facility as input. Despite the huge amount of solutions …
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Shipboard fluid system diagnostics using non-intrusive load monitoring
… environment is the non-intrusive load monitor (NILM). The primary benefit of the NILM is that it can assess the operational status of multiple electrical loads from a single set of measurements collected at a central point in a ship's power-distribution network. This reduction in sensor count …
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Shipboard fluid system diagnostics using non-intrusive load monitoring
… environment is the non-intrusive load monitor (NILM). The primary benefit of the NILM is that it can assess the operational status of multiple electrical loads from a single set of measurements collected at a central point in a ship's power-distribution network. This reduction in sensor count …
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Evaluation of Non-Intrusive Load Monitoring for shipboard cycling system diagnostics
The Non-Intrusive Load Monitor (NILM) is a device that utilizes voltage and current measurements to determine the operating schedule of all of the major loads on an electrical service. Additionally, the NILM can use its electrical measurements to diagnose impending failures in the mechanical …
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Resolution Tricks and Disaggregation Tools for Smart Power Metering
A nonintrusive load monitor (NILM) aims to solve the energy disaggregation problem by incorporating power system analysis, signal processing, and machine learning. This thesis addresses two problems present in state-of-the-art nonintrusive load monitoring research. First, the ability of existing …
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Using the non-intrusive load monitor for shipboard supervisory control
… an analysis is the non-intrusive load monitor (NILM). This thesis investigates the use of the NILM as a supervisory control system in the engineering plant of gas-turbine-powered vessel. Field tests demonstrate that the NILM can potentially reduce overall sensor count if used in a supervisory …
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Harmonic approaches to non-intrusive load diagnostics
The Non-Intrusive Load Monitor (NILM) is a system that monitors, records and processes voltage and current measurements to establish the operating characteristics of individual loads on a load center from a single aggregate measurement. The NILM can also be used to actively monitor degradation or …
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Shipboard applications of non-intrusive load monitoring
The Non-Intrusive Load Monitor (NILM) provides a method of measuring component performance and source power quality through a single point of entry in the power distribution system. A study was performed utilizing the NILM onboard three different ships (along with experimentation in the laboratory) …
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A framework for non-intrusive load monitoring and diagnostics
… techniques. The non-intrusive load monitor (NILM) provides a low-cost, low-maintenance way to perform this monitoring and diagnostics from a centralized location. This work critically evaluates the current state of the NILM hardware and software in order to develop new techniques and a new …
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Non-intrusive load monitoring for existing water and natural gas metering infrastructure
Non-intrusive load monitoring (NILM) involves measuring power transfer or resource flow upstream from several independent loads and disaggregating the information into separate loads, trading hardware installation complexity for advanced signal processing. Non-contact NILM devices avoid direct …
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Evaluation of non-intrusive monitoring for condition based maintenance applications on US Navy propulsion plants
… the use of the Non-intrusive Load Monitor (NILM) in Condition Based Maintenance (CBM) applications on US Navy ships as part of the Office of Naval Research Electric Ship Integration (ESI) Initiative. The NILM is a device that measures an electrical component's performance by applying a …
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Interpreting human activity from electrical consumption data through non-intrusive load monitoring
Non-intrusive load monitoring (NILM) has three distinct advantages over today's smart meters. First, it offers accountability. Few people know where their kWh's are going. Second, it is a maintenance tool. Signs of wear are detectable through their electrical signal. Third, it provides awareness of …
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Framework of non-intrusive load monitoring for shipboard environments
A Non-Intrusive Load Monitor (NILM) measures power at a central point in an electrical network in order to provide real-time energy management and equipment diagnostics. Results are presented from NILM systems installed aboard two US Coast Guard ships. The collected data is used for fault …
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Automated classification of power signals
The Non-Intrusive Load Monitor (NILM) is a device that utilizes voltage and current measurements to monitor an entire system from a single reference point. The NILM and associated software convert the V/I signal to spectral power envelopes that can be searched to determine when a transient occurs. …
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Development of real time non-intrusive load monitor for shipboard fluid systems
… system. The Non-Intrusive Load Monitor (NILM) is a system that can greatly enhance the ability to monitor the health of engineering systems while incurring a low acquisition cost and low technology risk. This research focuses on the development of a real time user interface for the …
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