Hierarchical Digital Twin of a Naval Power SystemKerry Sado
A hierarchical digital twin of a Naval DC power system has been developed and experimentally verified. Similar to other state-of-the-art digital twins, this technology creates a digital replica of the physical system executed in real-time or faster, which can modify hardware controls. However, its advantage stems from distributing computational efforts by utilizing a hierarchical structure composed of lower-level digital twin blocks and a higher-level system digital twin. Each digital twin block is associated with a physical subsystem of the hardware and communicates with a singular system digital twin, which creates a system-level response. By extracting information from each level of the hierarchy, power system controls of the hardware were reconfigured autonomously. This hierarchical digital twin development offers several advantages over other digital twins, particularly in the field of naval power systems. The hierarchical structure allows for greater computational efficiency and scalability while the ability to autonomously reconfigure hardware controls offers increased flexibility and responsiveness. The hierarchical decomposition and models utilized were well aligned with the physical twin, as indicated by the maximum deviations between the developed digital twin hierarchy and the hardware.
Overview of the fundamental roles in Hydropower generation and the components involved in wider Electrical Engineering.
This paper presents the design and construction of hydroelectric dams from the hydrologist’s survey of the valley before construction, all aspects and involved disciplines, fluid dynamics, structural engineering, generation and mains frequency regulation to the very transmission of power through the network in the United Kingdom.
Author: Robbie Edward Sayers
Collaborators and co editors: Charlie Sims and Connor Healey.
(C) 2024 Robbie E. Sayers
Industrial Training at Shahjalal Fertilizer Company Limited (SFCL)MdTanvirMahtab2
This presentation is about the working procedure of Shahjalal Fertilizer Company Limited (SFCL). A Govt. owned Company of Bangladesh Chemical Industries Corporation under Ministry of Industries.
Final project report on grocery store management system..pdfKamal Acharya
In today’s fast-changing business environment, it’s extremely important to be able to respond to client needs in the most effective and timely manner. If your customers wish to see your business online and have instant access to your products or services.
Online Grocery Store is an e-commerce website, which retails various grocery products. This project allows viewing various products available enables registered users to purchase desired products instantly using Paytm, UPI payment processor (Instant Pay) and also can place order by using Cash on Delivery (Pay Later) option. This project provides an easy access to Administrators and Managers to view orders placed using Pay Later and Instant Pay options.
In order to develop an e-commerce website, a number of Technologies must be studied and understood. These include multi-tiered architecture, server and client-side scripting techniques, implementation technologies, programming language (such as PHP, HTML, CSS, JavaScript) and MySQL relational databases. This is a project with the objective to develop a basic website where a consumer is provided with a shopping cart website and also to know about the technologies used to develop such a website.
This document will discuss each of the underlying technologies to create and implement an e- commerce website.
CFD Simulation of By-pass Flow in a HRSG module by R&R Consult.pptxR&R Consult
CFD analysis is incredibly effective at solving mysteries and improving the performance of complex systems!
Here's a great example: At a large natural gas-fired power plant, where they use waste heat to generate steam and energy, they were puzzled that their boiler wasn't producing as much steam as expected.
R&R and Tetra Engineering Group Inc. were asked to solve the issue with reduced steam production.
An inspection had shown that a significant amount of hot flue gas was bypassing the boiler tubes, where the heat was supposed to be transferred.
R&R Consult conducted a CFD analysis, which revealed that 6.3% of the flue gas was bypassing the boiler tubes without transferring heat. The analysis also showed that the flue gas was instead being directed along the sides of the boiler and between the modules that were supposed to capture the heat. This was the cause of the reduced performance.
Based on our results, Tetra Engineering installed covering plates to reduce the bypass flow. This improved the boiler's performance and increased electricity production.
It is always satisfying when we can help solve complex challenges like this. Do your systems also need a check-up or optimization? Give us a call!
Work done in cooperation with James Malloy and David Moelling from Tetra Engineering.
More examples of our work https://www.r-r-consult.dk/en/cases-en/
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1. • Printed Circuit Card Assembly
• Configuration Management
• Data Management
• Quality Assurance
• Verification, Validation & Integration
• Cable Fabrication
• Test Program Set Development
• Maintenance/Sustainment/RESET
• Field Support (CONUS/OCONUS)
KEY DISCRIMINATORS
• Easily Accessible Prime Contract Vehicles w/ LOW Government Fee!
• Small Disadvantaged Business (SDB) – Minority-owned
• Two (2) Locations in HSV – SECRET Facility Clearance Level
• In-house Cable Fabrication & Printed Circuit Card Assembly capabilities
• Deltek CostPoint 7.11® Accounting System – US Government-approved
• Subject Matter Expert (SME) - Automatic Test Equipment/Test Program Set
• Proven track record providing cost-savings to US Government at little to no risk!
KEY CUSTOMERS
• Aviation & Missile Command (AMCOM) – Redstone Arsenal
• Defense Logistics Agency (DLA) – Redstone Arsenal
• National Security Complex – Oakridge, TN
• Next Generation Automatic Test System (NGATS) – Picatinny Arsenal
• Product Director Test, Measurement, & Diagnostic Equipment (PD TMDE) –
Redstone Arsenal
• Program Executive Office Missiles & Space (PEO M&S) – Redstone Arsenal
• Systems Sustainment Management Directorate (SSMD) – Redstone Arsenal
KEY PARTNERS
• AECOM
• Battelle
• CALIBRE
• COLSA
• DRS Technologies
• IRTC
• Pantex
• Qualis Corporation
• SAIC
• S3
• Wyle/CAS
• Y-12
CONTACT INFORMATION
4825 University Square – Suite 14 Email: hsvinfo@mjlm.com
Huntsville, AL 35816 Phone: 256.890.1800 (MAIN)
ORGANIZATION BACKGROUND
MJLM Engineering and Technical Services (MJLM) is a Small Disadvantaged
Business (SDB) whose customer-base consists of Government Agencies heavily
supporting Redstone Arsenal (RSA). Our niche is in prototype development and
system/component maintenance, repair, sustainment, and logistics. To support
our efforts, MJLM has built a workforce of highly-trained engineers, logisticians,
technicians, and administrative professionals committed to supporting our
Government and Industry Customer(s) requirements. We are ITAR, JCP, and ISO
9001:2008 certified as well as CMMI Level III compliant. Our Deltek CostPoint
7.11® accounting system is also DCAA-/DCMA-approved.
KEY CAPABILITIES
• Total Lifecycle Logistics
• Prototype Development
• System Engineering
• Programmatic Support
• Obsolescence Repair
• Inventory Control
• Reverse Engineering
• Test & Evaluation
• Computer-Aided Design
CAPABILITY STATEMENT
CERTIFICATIONS & AWARDS
• ISO 9001: 2008 Certified
• U.S./Canada JCP (Joint Certification Program)
• System Access Management (SAM) Registered – 3CT95
• Capability Maturity Model Integration (CMMI) Level 3 Compliant www.mjlmengineering.com
NAICS Codes
• 332994
• 334418
• 334419
• 334515
• 335311
• 335931
• 336413
• 541330
• 541511
• 541512
• 541712
• 561210