Indicator Norme de Deviz - Technical University "Gh. Asachi" of Iaşi
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Lecture 8 s.s.iii Steel Structures
This document provides an overview of multi-storey steel structures. It discusses:
- The early history of steel structures beginning in the late 18th century with cast iron buildings and progressing to steel I-beam structures in the mid-19th century.
- Famous early skyscrapers from the late 19th century including the Home Insurance Building and Monadnock Building which helped popularize the technology.
- Structural systems for tall buildings including rigid frames, braced frames, rigid core structures, and tubular designs capable of supporting 70-120+ stories.
- Design considerations like building shape, foundation tolerance, wind loading, and seismic provisions like ductile connections and a rigid base.
Lecture 11 s.s.iii Design of Steel Structures - Faculty of Civil Engineering ...
Spatial grids are structures formed from interconnected steel members arranged in one, two, or three layers. They are used for roofs and envelopes of buildings. Some key advantages are their light weight, ability to span wide distances, high stiffness, and speed of construction due to prefabrication. Spatial grids come in various forms including planar, dome-shaped, cylindrical, and other geometries. They are classified based on number of layers and mesh pattern. Proper design considers loads, geometric invariance, and connections between members.
Lecture 10 s.s.iii Design of Steel Structures - Faculty of Civil Engineering ...
The document discusses the design and construction of steel arches. It notes several advantages of steel arches including large spans of 80-100 meters, low weight for economy, and aesthetics in modern architecture. Some challenges in design include a lack of specific rules in codes and instability being a major criteria. Common structural systems for arches include free-standing, doubly articulated, and encased in foundations. Steel arches can have parabolic, circular, or polygonal shapes and use cross sections like beams, boxes, or lattice designs. Bracing systems provide stability and connections transfer loads between the arch and other structures like purlins.
Recommended
Lecture 8 s.s.iii Steel Structures
This document provides an overview of multi-storey steel structures. It discusses:
- The early history of steel structures beginning in the late 18th century with cast iron buildings and progressing to steel I-beam structures in the mid-19th century.
- Famous early skyscrapers from the late 19th century including the Home Insurance Building and Monadnock Building which helped popularize the technology.
- Structural systems for tall buildings including rigid frames, braced frames, rigid core structures, and tubular designs capable of supporting 70-120+ stories.
- Design considerations like building shape, foundation tolerance, wind loading, and seismic provisions like ductile connections and a rigid base.
Lecture 11 s.s.iii Design of Steel Structures - Faculty of Civil Engineering ...
Spatial grids are structures formed from interconnected steel members arranged in one, two, or three layers. They are used for roofs and envelopes of buildings. Some key advantages are their light weight, ability to span wide distances, high stiffness, and speed of construction due to prefabrication. Spatial grids come in various forms including planar, dome-shaped, cylindrical, and other geometries. They are classified based on number of layers and mesh pattern. Proper design considers loads, geometric invariance, and connections between members.
Lecture 10 s.s.iii Design of Steel Structures - Faculty of Civil Engineering ...
The document discusses the design and construction of steel arches. It notes several advantages of steel arches including large spans of 80-100 meters, low weight for economy, and aesthetics in modern architecture. Some challenges in design include a lack of specific rules in codes and instability being a major criteria. Common structural systems for arches include free-standing, doubly articulated, and encased in foundations. Steel arches can have parabolic, circular, or polygonal shapes and use cross sections like beams, boxes, or lattice designs. Bracing systems provide stability and connections transfer loads between the arch and other structures like purlins.
Lecture 4 s.s. iii Design of Steel Structures - Faculty of Civil Engineering ...
This document discusses the design of transversal frames in steel industrial buildings. It covers:
1) Static schemes for analyzing the frame with either hinged or rigid connections between the column and truss. Rigid connections introduce redundancy effects.
2) Methods for determining the stiffness of frame elements like the truss and columns, which influences internal forces and moments.
3) Different loading schemes on the frame, including combinations of permanent, variable and temporary loads for design.
4) Analyzing internal forces and moments in the column for frames carrying crane girders. Simplified models are used.
5) Considerations for sizing the truss stiffness and determining redundancy effects on truss
Lecture 3 s.s. iii Design of Steel Structures - Faculty of Civil Engineering ...
The document provides information on steel sheet roofing and cladding used for industrial buildings. Some key points:
- Profiled steel sheets are commonly used for roofs and walls due to their strength, light weight, durability and ease of installation.
- Steel sheets come in various profiles and are made from cold-reduced steel or coil with protective coatings.
- Purlins are beams that support the roofing/cladding materials. They can be simple or continuous beams made from rolled steel sections, cold-formed sections, or castellated beams.
- Design of purlins involves checking for strength and stability under load combinations that include self-weight, roofing/cladding weight
Lecture 2 s.s. iii continuare Design of Steel Structures - Faculty of Civil E...
This document discusses steel industrial buildings and their structural design. It provides classifications and features of industrial buildings, including their regular rectangular shapes, mono-pitched or duo-pitched roofs with small slopes, and single-story construction. It describes the structural system of transverse frames with columns and girders/trusses. Bracing systems are discussed which provide stability and stiffness, including bracing of roof trusses, columns, and crane girders (if present). Different structural solutions for the transverse frame and various bracing layouts are shown. Tolerances between building blocks are also specified.
Lecture 2 s. s. iii Design of Steel Structures - Faculty of Civil Engineering...
This document discusses various types of imperfections that must be considered in structural analysis of steel frames and bracing systems, including:
1) Local imperfections of individual members like residual stresses and geometric imperfections.
2) Global imperfections for frames including initial sway imperfections and local bow imperfections of members. These are accounted for using equivalent geometric imperfections or forces.
3) Imperfections of bracing systems including initial bow imperfections of restrained members, which can also be replaced by equivalent stabilizing forces. Imperfections must also be considered at splice connections.
4) Local bow imperfections are used to determine buckling resistance of individual members. Equivalent forces or loads
Lecture 1 s.s.iii Design of Steel Structures - Faculty of Civil Engineering Iaşi
This document provides an overview of structural analysis of steel structures under static loading. It discusses:
- The characteristics of steel that allow elastic-plastic analysis, including ductility and plastic hinges.
- Different types of steel frames including braced frames, which resist lateral drift through bracing, and unbraced frames, which can fail through sidesway buckling.
- Methods of analysis including elastic analysis of first and second order, which take into account geometric imperfections and secondary effects of displacements on forces.
Lecture 6 s.s.iii Design of Steel Structures - Faculty of Civil Engineering Iaşi
The document discusses the design of runway girders that support overhead cranes. It describes various types of runway girder configurations including single plate girders, built-up box sections, and lattice girders. It also outlines the loads that act on these girders including the self-weight of the girder and rails, as well as vertical and horizontal forces from the moving crane. Design is checked against limit states including bending capacity, buckling, fatigue limits, and serviceability deflections. Equations are provided to calculate stresses in different parts of the girder from these loads.
Lecture 7 s.s.iii Design of Steel Structures - Faculty of Civil Engineering Iaşi
This document discusses portal frame structures used for industrial buildings. It describes the main structural elements including roof sheeting, columns, rafters, beams, and wall panels. Typical spans for portal frames range from 12 to 60 meters, though 20-30 meters is most efficient. Various structural systems and joint connections are examined, including different types of column-rafter joints, apex joints, and design considerations for analyzing and strengthening these critical connections to transfer forces between members. Equations are provided for analyzing stresses in the joints.
Lecture 5 s.s.iii Design of Steel Structures - Faculty of Civil Engineering Iaşi
1) The document discusses various types of column designs for industrial buildings, including columns with constant or variable cross-sections, built-up or compound cross-sections, and stiffening elements.
2) It provides details on column base designs like hinged bases, fixed bases, and bases with gusset plates. Hold-down bolts, shear lugs, and resistance to combined forces are also examined.
3) The design and verification of column connections is addressed through plastic failure mechanisms and strength checks of individual components like the column, base plate, and anchor bolts.
Space frames1
Space frames are three-dimensional trusses that can span in two directions, forming flat or curved structures to serve as roofs, walls, or continuous barrel-type roofs. They were independently developed in the early 1900s by Alexander Graham Bell and Buckminster Fuller in the 1950s for rigid frames in engineering and architectural structures. Space frames are typically designed using a rigidity matrix and can be composed of interlocking tetrahedrons or pyramids made of aluminum or steel struts. They come in various types depending on their curvature as flat covers, spherical domes, or barrel vaults, and depending on their grid layers as single or double layered structures.
Space and shell structures
Shells are curved structures that can transmit loads in multiple directions and are constructed using thin materials like concrete or reinforced concrete. They distribute loads across their surfaces through compressive, tensile and shear stresses. Large spherical domes are often constructed using inflated membranes as forms which provide support during construction. Domes over 300 feet require a grid structure to provide sufficient stiffness while minimizing weight. Shells and folded plates are constructed as uniform thin surfaces rather than stacked discrete pieces like frames. Domes, vaults, and barrel shells are examples of shell structures used in building construction.
Understanding Gridshell Structures - Mannheim Multihalle Case Study
The Mannheim Multihalle is a physical proof that little more than simple math and a detailed model could be used to create a structure with both organic materials and form.
Space frame
Space frames are three-dimensional structures composed of interconnected linear elements that transfer loads through a grid-like network. They are designed without intermediate columns, creating large open interior spaces. Space frames come in various types including two-way and three-way grids, and can be single, double, or triple-layered. They consist of tubular members and specialized connectors, such as tuball nodes, nodus connectors, and triodetic connectors. Space frames are light, economical, stiff structures that allow freedom in building design and easy integration of services. Examples include the San Siro Stadium in Milan and Stansted Airport in London.
Lecture 9 s.s.iii Design of Steel Structures - Faculty of Civil Engineering Iaşi
1) Multi-storey steel structures use steel columns, beams, girders, and bracing systems to support vertical loads and resist lateral forces. Columns vary in cross-section depending on load and may be welded, bolted, or have base plates anchored in concrete.
2) Beams and girders are designed to bend and can be continuous or use lattice girders for large spans. Connections between columns and girders vary from articulated to rigid.
3) Floors commonly use steel beams with cast-in-place concrete slabs or prefabricated decking. External walls are often curtain walls comprising mullions and transoms.
Shell structures- advanced building construction
This document discusses different types of shell structures used in construction. It begins by defining shell structures as thin curved membranes or slabs, usually of reinforced concrete, that function as both structure and covering. It then describes various forms of curvature for shells including surfaces of revolution, translation, and ruled surfaces. It discusses developable and non-developable shells and provides examples of different shell structures like barrel vaults, domes, folded plates, and more. It also covers topics like suitable materials, centering, and construction of reinforced concrete barrel vaults.
Space frames
Space frames are truss-like, lightweight rigid structures constructed from interlocking struts arranged in a geometric pattern. They were independently developed in the early 1900s and 1950s to span large areas with few interior supports. Space frames transfer loads through a three-dimensional arrangement of linear elements subjected only to axial tension or compression. Common materials used include steel and timber. Connections are made through various joint types, and space frames can be single, double or triple layered grids. They provide advantages like light weight, stiffness and versatility compared to other structures.
Exemplu de calcul şarpantă din lemn folosind programul WoodExpress
This document provides details on the design of a timber roof truss and purlins. It includes:
- Descriptions of the truss geometry, materials, and loads from snow, wind, etc.
- Calculations of snow loads on the roof based on pitch, exposure and thermal coefficients.
- Design methodology for analyzing internal forces on the truss and treating purlins as simply supported beams.
- Serviceability and strength checks of purlins under various load combinations to ensure code compliance for deflection and stress limits.
Indicator Norme de Deviz - Technical University "Gh. Asachi" of Iaşi
The document discusses the history and current state of renewable energy in the United States. It notes that while renewable energy sources like solar and wind power are growing, they still only account for around 11% of the nation's energy production. The document calls for continued investment and policy support to help renewable sources expand their market share and help the country transition to more sustainable energy options.
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Lecture 4 s.s. iii Design of Steel Structures - Faculty of Civil Engineering ...
This document discusses the design of transversal frames in steel industrial buildings. It covers:
1) Static schemes for analyzing the frame with either hinged or rigid connections between the column and truss. Rigid connections introduce redundancy effects.
2) Methods for determining the stiffness of frame elements like the truss and columns, which influences internal forces and moments.
3) Different loading schemes on the frame, including combinations of permanent, variable and temporary loads for design.
4) Analyzing internal forces and moments in the column for frames carrying crane girders. Simplified models are used.
5) Considerations for sizing the truss stiffness and determining redundancy effects on truss
Lecture 3 s.s. iii Design of Steel Structures - Faculty of Civil Engineering ...
The document provides information on steel sheet roofing and cladding used for industrial buildings. Some key points:
- Profiled steel sheets are commonly used for roofs and walls due to their strength, light weight, durability and ease of installation.
- Steel sheets come in various profiles and are made from cold-reduced steel or coil with protective coatings.
- Purlins are beams that support the roofing/cladding materials. They can be simple or continuous beams made from rolled steel sections, cold-formed sections, or castellated beams.
- Design of purlins involves checking for strength and stability under load combinations that include self-weight, roofing/cladding weight
Lecture 2 s.s. iii continuare Design of Steel Structures - Faculty of Civil E...
This document discusses steel industrial buildings and their structural design. It provides classifications and features of industrial buildings, including their regular rectangular shapes, mono-pitched or duo-pitched roofs with small slopes, and single-story construction. It describes the structural system of transverse frames with columns and girders/trusses. Bracing systems are discussed which provide stability and stiffness, including bracing of roof trusses, columns, and crane girders (if present). Different structural solutions for the transverse frame and various bracing layouts are shown. Tolerances between building blocks are also specified.
Lecture 2 s. s. iii Design of Steel Structures - Faculty of Civil Engineering...
This document discusses various types of imperfections that must be considered in structural analysis of steel frames and bracing systems, including:
1) Local imperfections of individual members like residual stresses and geometric imperfections.
2) Global imperfections for frames including initial sway imperfections and local bow imperfections of members. These are accounted for using equivalent geometric imperfections or forces.
3) Imperfections of bracing systems including initial bow imperfections of restrained members, which can also be replaced by equivalent stabilizing forces. Imperfections must also be considered at splice connections.
4) Local bow imperfections are used to determine buckling resistance of individual members. Equivalent forces or loads
Lecture 1 s.s.iii Design of Steel Structures - Faculty of Civil Engineering Iaşi
This document provides an overview of structural analysis of steel structures under static loading. It discusses:
- The characteristics of steel that allow elastic-plastic analysis, including ductility and plastic hinges.
- Different types of steel frames including braced frames, which resist lateral drift through bracing, and unbraced frames, which can fail through sidesway buckling.
- Methods of analysis including elastic analysis of first and second order, which take into account geometric imperfections and secondary effects of displacements on forces.
Lecture 6 s.s.iii Design of Steel Structures - Faculty of Civil Engineering Iaşi
The document discusses the design of runway girders that support overhead cranes. It describes various types of runway girder configurations including single plate girders, built-up box sections, and lattice girders. It also outlines the loads that act on these girders including the self-weight of the girder and rails, as well as vertical and horizontal forces from the moving crane. Design is checked against limit states including bending capacity, buckling, fatigue limits, and serviceability deflections. Equations are provided to calculate stresses in different parts of the girder from these loads.
Lecture 7 s.s.iii Design of Steel Structures - Faculty of Civil Engineering Iaşi
This document discusses portal frame structures used for industrial buildings. It describes the main structural elements including roof sheeting, columns, rafters, beams, and wall panels. Typical spans for portal frames range from 12 to 60 meters, though 20-30 meters is most efficient. Various structural systems and joint connections are examined, including different types of column-rafter joints, apex joints, and design considerations for analyzing and strengthening these critical connections to transfer forces between members. Equations are provided for analyzing stresses in the joints.
Lecture 5 s.s.iii Design of Steel Structures - Faculty of Civil Engineering Iaşi
1) The document discusses various types of column designs for industrial buildings, including columns with constant or variable cross-sections, built-up or compound cross-sections, and stiffening elements.
2) It provides details on column base designs like hinged bases, fixed bases, and bases with gusset plates. Hold-down bolts, shear lugs, and resistance to combined forces are also examined.
3) The design and verification of column connections is addressed through plastic failure mechanisms and strength checks of individual components like the column, base plate, and anchor bolts.
Space frames1
Space frames are three-dimensional trusses that can span in two directions, forming flat or curved structures to serve as roofs, walls, or continuous barrel-type roofs. They were independently developed in the early 1900s by Alexander Graham Bell and Buckminster Fuller in the 1950s for rigid frames in engineering and architectural structures. Space frames are typically designed using a rigidity matrix and can be composed of interlocking tetrahedrons or pyramids made of aluminum or steel struts. They come in various types depending on their curvature as flat covers, spherical domes, or barrel vaults, and depending on their grid layers as single or double layered structures.
Space and shell structures
Shells are curved structures that can transmit loads in multiple directions and are constructed using thin materials like concrete or reinforced concrete. They distribute loads across their surfaces through compressive, tensile and shear stresses. Large spherical domes are often constructed using inflated membranes as forms which provide support during construction. Domes over 300 feet require a grid structure to provide sufficient stiffness while minimizing weight. Shells and folded plates are constructed as uniform thin surfaces rather than stacked discrete pieces like frames. Domes, vaults, and barrel shells are examples of shell structures used in building construction.
Understanding Gridshell Structures - Mannheim Multihalle Case Study
The Mannheim Multihalle is a physical proof that little more than simple math and a detailed model could be used to create a structure with both organic materials and form.
Space frame
Space frames are three-dimensional structures composed of interconnected linear elements that transfer loads through a grid-like network. They are designed without intermediate columns, creating large open interior spaces. Space frames come in various types including two-way and three-way grids, and can be single, double, or triple-layered. They consist of tubular members and specialized connectors, such as tuball nodes, nodus connectors, and triodetic connectors. Space frames are light, economical, stiff structures that allow freedom in building design and easy integration of services. Examples include the San Siro Stadium in Milan and Stansted Airport in London.
Lecture 9 s.s.iii Design of Steel Structures - Faculty of Civil Engineering Iaşi
1) Multi-storey steel structures use steel columns, beams, girders, and bracing systems to support vertical loads and resist lateral forces. Columns vary in cross-section depending on load and may be welded, bolted, or have base plates anchored in concrete.
2) Beams and girders are designed to bend and can be continuous or use lattice girders for large spans. Connections between columns and girders vary from articulated to rigid.
3) Floors commonly use steel beams with cast-in-place concrete slabs or prefabricated decking. External walls are often curtain walls comprising mullions and transoms.
Shell structures- advanced building construction
This document discusses different types of shell structures used in construction. It begins by defining shell structures as thin curved membranes or slabs, usually of reinforced concrete, that function as both structure and covering. It then describes various forms of curvature for shells including surfaces of revolution, translation, and ruled surfaces. It discusses developable and non-developable shells and provides examples of different shell structures like barrel vaults, domes, folded plates, and more. It also covers topics like suitable materials, centering, and construction of reinforced concrete barrel vaults.
Space frames
Space frames are truss-like, lightweight rigid structures constructed from interlocking struts arranged in a geometric pattern. They were independently developed in the early 1900s and 1950s to span large areas with few interior supports. Space frames transfer loads through a three-dimensional arrangement of linear elements subjected only to axial tension or compression. Common materials used include steel and timber. Connections are made through various joint types, and space frames can be single, double or triple layered grids. They provide advantages like light weight, stiffness and versatility compared to other structures.
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Lecture 4 s.s. iii Design of Steel Structures - Faculty of Civil Engineering ...
Lecture 4 s.s. iii Design of Steel Structures - Faculty of Civil Engineering ...
Lecture 3 s.s. iii Design of Steel Structures - Faculty of Civil Engineering ...
Lecture 3 s.s. iii Design of Steel Structures - Faculty of Civil Engineering ...
Lecture 2 s.s. iii continuare Design of Steel Structures - Faculty of Civil E...
Lecture 2 s.s. iii continuare Design of Steel Structures - Faculty of Civil E...
Lecture 2 s. s. iii Design of Steel Structures - Faculty of Civil Engineering...
Lecture 2 s. s. iii Design of Steel Structures - Faculty of Civil Engineering...
Lecture 1 s.s.iii Design of Steel Structures - Faculty of Civil Engineering Iaşi
Lecture 1 s.s.iii Design of Steel Structures - Faculty of Civil Engineering Iaşi
Lecture 6 s.s.iii Design of Steel Structures - Faculty of Civil Engineering Iaşi
Lecture 6 s.s.iii Design of Steel Structures - Faculty of Civil Engineering Iaşi
Lecture 7 s.s.iii Design of Steel Structures - Faculty of Civil Engineering Iaşi
Lecture 7 s.s.iii Design of Steel Structures - Faculty of Civil Engineering Iaşi
Lecture 5 s.s.iii Design of Steel Structures - Faculty of Civil Engineering Iaşi
Lecture 5 s.s.iii Design of Steel Structures - Faculty of Civil Engineering Iaşi
Understanding Gridshell Structures - Mannheim Multihalle Case Study
Understanding Gridshell Structures - Mannheim Multihalle Case Study
Lecture 9 s.s.iii Design of Steel Structures - Faculty of Civil Engineering Iaşi
Lecture 9 s.s.iii Design of Steel Structures - Faculty of Civil Engineering Iaşi
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Exemplu de calcul şarpantă din lemn folosind programul WoodExpress
This document provides details on the design of a timber roof truss and purlins. It includes:
- Descriptions of the truss geometry, materials, and loads from snow, wind, etc.
- Calculations of snow loads on the roof based on pitch, exposure and thermal coefficients.
- Design methodology for analyzing internal forces on the truss and treating purlins as simply supported beams.
- Serviceability and strength checks of purlins under various load combinations to ensure code compliance for deflection and stress limits.
Indicator Norme de Deviz - Technical University "Gh. Asachi" of Iaşi
The document discusses the history and current state of renewable energy in the United States. It notes that while renewable energy sources like solar and wind power are growing, they still only account for around 11% of the nation's energy production. The document calls for continued investment and policy support to help renewable sources expand their market share and help the country transition to more sustainable energy options.
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Indicator Norme de Deviz - Technical University "Gh. Asachi" of Iaşi
Indicator Norme de Deviz - Technical University "Gh. Asachi" of Iaşi
Indicator Norme de Deviz - Technical University "Gh. Asachi" of Iaşi
Indicator Norme de Deviz - Technical University "Gh. Asachi" of Iaşi
Indicator Norme de Deviz - Technical University "Gh. Asachi" of Iaşi
Indicator Norme de Deviz - Technical University "Gh. Asachi" of Iaşi
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Indicator Norme de Deviz - Technical University "Gh. Asachi" of Iaşi
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一比一原版(UMich毕业证)密歇根大学|安娜堡分校毕业证成绩单专业办理
UMich毕业证原版定制【微信：176555708】【密歇根大学|安娜堡分校毕业证成绩单-学位证】【微信：176555708】（留信学历认证永久存档查询）采用学校原版纸张、特殊工艺完全按照原版一比一制作（包括：隐形水印，阴影底纹，钢印LOGO烫金烫银，LOGO烫金烫银复合重叠，文字图案浮雕，激光镭射，紫外荧光，温感，复印防伪）行业标杆！精益求精，诚心合作，真诚制作！多年品质 ,按需精细制作，24小时接单,全套进口原装设备，十五年致力于帮助留学生解决难题，业务范围有加拿大、英国、澳洲、韩国、美国、新加坡，新西兰等学历材料，包您满意。
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Low power architecture of logic gates using adiabatic techniques
The growing significance of portable systems to limit power consumption in ultra-large-scale-integration chips of very high density, has recently led to rapid and inventive progresses in low-power design. The most effective technique is adiabatic logic circuit design in energy-efficient hardware. This paper presents two adiabatic approaches for the design of low power circuits, modified positive feedback adiabatic logic (modified PFAL) and the other is direct current diode based positive feedback adiabatic logic (DC-DB PFAL). Logic gates are the preliminary components in any digital circuit design. By improving the performance of basic gates, one can improvise the whole system performance. In this paper proposed circuit design of the low power architecture of OR/NOR, AND/NAND, and XOR/XNOR gates are presented using the said approaches and their results are analyzed for powerdissipation, delay, power-delay-product and rise time and compared with the other adiabatic techniques along with the conventional complementary metal oxide semiconductor (CMOS) designs reported in the literature. It has been found that the designs with DC-DB PFAL technique outperform with the percentage improvement of 65% for NOR gate and 7% for NAND gate and 34% for XNOR gate over the modified PFAL techniques at 10 MHz respectively.
Heap Sort (SS).ppt FOR ENGINEERING GRADUATES, BCA, MCA, MTECH, BSC STUDENTS
HEAP SORT ILLUSTRATED WITH HEAPIFY, BUILD HEAP FOR DYNAMIC ARRAYS.
Heap sort is a comparison-based sorting technique based on Binary Heap data structure. It is similar to the selection sort where we first find the minimum element and place the minimum element at the beginning. Repeat the same process for the remaining elements.
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Dynamic Programming
Backtracking
Techniques for Graphs
Branch and Bound
Hierarchical Digital Twin of a Naval Power System
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.
Adaptive synchronous sliding control for a robot manipulator based on neural ...
Robot manipulators have become important equipment in production lines, medical fields, and transportation. Improving the quality of trajectory tracking for
robot hands is always an attractive topic in the research community. This is a
challenging problem because robot manipulators are complex nonlinear systems
and are often subject to fluctuations in loads and external disturbances. This
article proposes an adaptive synchronous sliding control scheme to improve trajectory tracking performance for a robot manipulator. The proposed controller
ensures that the positions of the joints track the desired trajectory, synchronize
the errors, and significantly reduces chattering. First, the synchronous tracking
errors and synchronous sliding surfaces are presented. Second, the synchronous
tracking error dynamics are determined. Third, a robust adaptive control law is
designed,the unknown components of the model are estimated online by the neural network, and the parameters of the switching elements are selected by fuzzy
logic. The built algorithm ensures that the tracking and approximation errors
are ultimately uniformly bounded (UUB). Finally, the effectiveness of the constructed algorithm is demonstrated through simulation and experimental results.
Simulation and experimental results show that the proposed controller is effective with small synchronous tracking errors, and the chattering phenomenon is
significantly reduced.
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3:国家专业人才认证中心颁发入库证书
4:这个认证书并且可以归档倒地方
5:凡事获得留信网入网的信息将会逐步更新到个人身份内，将在公安局网内查询个人身份证信息后，同步读取人才网入库信息
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PROJECT FORMAT FOR EVS AMITY UNIVERSITY GWALIOR.ppt
Ppt on evs amity University project work.........................??????!?!?!?!!?!!?!!?/?/?/?/?/?
22CYT12-Unit-V-E Waste and its Management.ppt
Introduction- e - waste – definition - sources of e-waste– hazardous substances in e-waste - effects of e-waste on environment and human health- need for e-waste management– e-waste handling rules - waste minimization techniques for managing e-waste – recycling of e-waste - disposal treatment methods of e- waste – mechanism of extraction of precious metal from leaching solution-global Scenario of E-waste – E-waste in India- case studies.
Harnessing WebAssembly for Real-time Stateless Streaming Pipelines
Traditionally, dealing with real-time data pipelines has involved significant overhead, even for straightforward tasks like data transformation or masking. However, in this talk, we’ll venture into the dynamic realm of WebAssembly (WASM) and discover how it can revolutionize the creation of stateless streaming pipelines within a Kafka (Redpanda) broker. These pipelines are adept at managing low-latency, high-data-volume scenarios.
ACEP Magazine edition 4th launched on 05.06.2024
This document provides information about the third edition of the magazine "Sthapatya" published by the Association of Civil Engineers (Practicing) Aurangabad. It includes messages from current and past presidents of ACEP, memories and photos from past ACEP events, information on life time achievement awards given by ACEP, and a technical article on concrete maintenance, repairs and strengthening. The document highlights activities of ACEP and provides a technical educational article for members.
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本公司拥有海外各大学样板无数，能完美还原。
1:1完美还原海外各大学毕业材料上的工艺：水印，阴影底纹，钢印LOGO烫金烫银，LOGO烫金烫银复合重叠。文字图案浮雕、激光镭射、紫外荧光、温感、复印防伪等防伪工艺。材料咨询办理、认证咨询办理请加学历顾问Q/微741003700
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留信网认证的作用:
1:该专业认证可证明留学生真实身份
2:同时对留学生所学专业登记给予评定
3:国家专业人才认证中心颁发入库证书
4:这个认证书并且可以归档倒地方
5:凡事获得留信网入网的信息将会逐步更新到个人身份内，将在公安局网内查询个人身份证信息后，同步读取人才网入库信息
6:个人职称评审加20分
7:个人信誉贷款加10分
8:在国家人才网主办的国家网络招聘大会中纳入资料，供国家高端企业选择人才
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