4.1.Assembly Modeling.pptx
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This document provides an overview of assembly modeling in computer-aided design. It defines an assembly as a collection of pointers to component parts and subassemblies. Assembly modeling allows different designers to collaborate and ensure parts work together. There are two approaches - bottom-up builds the assembly by inserting pre-designed parts, while top-down designs parts within the assembly context first. Degrees of freedom and mating conditions like concentric or parallel are used to define relationships between parts. Assembly analysis tools include bills of materials, interference checking, and mass properties calculations.
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#Abstract:
- Learn more about the real-world methods for auditing AWS IAM (Identity and Access Management) as a pentester. So let us proceed with a brief discussion of IAM as well as some typical misconfigurations and their potential exploits in order to reinforce the understanding of IAM security best practices.
- Gain actionable insights into AWS IAM policies and roles, using hands on approach.
#Prerequisites:
- Basic understanding of AWS services and architecture
- Familiarity with cloud security concepts
- Experience using the AWS Management Console or AWS CLI.
- For hands on lab create account on [killercoda.com](https://killercoda.com/cloudsecurity-scenario/)
# Scenario Covered:
- Basics of IAM in AWS
- Implementing IAM Policies with Least Privilege to Manage S3 Bucket
- Objective: Create an S3 bucket with least privilege IAM policy and validate access.
- Steps:
- Create S3 bucket.
- Attach least privilege policy to IAM user.
- Validate access.
- Exploiting IAM PassRole Misconfiguration
-Allows a user to pass a specific IAM role to an AWS service (ec2), typically used for service access delegation. Then exploit PassRole Misconfiguration granting unauthorized access to sensitive resources.
- Objective: Demonstrate how a PassRole misconfiguration can grant unauthorized access.
- Steps:
- Allow user to pass IAM role to EC2.
- Exploit misconfiguration for unauthorized access.
- Access sensitive resources.
- Exploiting IAM AssumeRole Misconfiguration with Overly Permissive Role
- An overly permissive IAM role configuration can lead to privilege escalation by creating a role with administrative privileges and allow a user to assume this role.
- Objective: Show how overly permissive IAM roles can lead to privilege escalation.
- Steps:
- Create role with administrative privileges.
- Allow user to assume the role.
- Perform administrative actions.
- Differentiation between PassRole vs AssumeRole
Try at [killercoda.com](https://killercoda.com/cloudsecurity-scenario/)
Electric vehicle and photovoltaic advanced roles in enhancing the financial p...
Climate change's impact on the planet forced the United Nations and governments to promote green energies and electric transportation. The deployments of photovoltaic (PV) and electric vehicle (EV) systems gained stronger momentum due to their numerous advantages over fossil fuel types. The advantages go beyond sustainability to reach financial support and stability. The work in this paper introduces the hybrid system between PV and EV to support industrial and commercial plants. This paper covers the theoretical framework of the proposed hybrid system including the required equation to complete the cost analysis when PV and EV are present. In addition, the proposed design diagram which sets the priorities and requirements of the system is presented. The proposed approach allows setup to advance their power stability, especially during power outages. The presented information supports researchers and plant owners to complete the necessary analysis while promoting the deployment of clean energy. The result of a case study that represents a dairy milk farmer supports the theoretical works and highlights its advanced benefits to existing plants. The short return on investment of the proposed approach supports the paper's novelty approach for the sustainable electrical system. In addition, the proposed system allows for an isolated power setup without the need for a transmission line which enhances the safety of the electrical network
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Unit-III-ELECTROCHEMICAL STORAGE DEVICES.ppt
Batteries -Introduction – Types of Batteries – discharging and charging of battery - characteristics of battery –battery rating- various tests on battery- – Primary battery: silver button cell- Secondary battery :Ni-Cd battery-modern battery: lithium ion battery-maintenance of batteries-choices of batteries for electric vehicle applications.
Fuel Cells: Introduction- importance and classification of fuel cells - description, principle, components, applications of fuel cells: H2-O2 fuel cell, alkaline fuel cell, molten carbonate fuel cell and direct methanol fuel cells.
官方认证美国密歇根州立大学毕业证学位证书原版一模一样
原版一模一样【微信：741003700 】【美国密歇根州立大学毕业证学位证书】【微信：741003700 】学位证，留信认证（真实可查，永久存档）offer、雅思、外壳等材料/诚信可靠,可直接看成品样本，帮您解决无法毕业带来的各种难题！外壳，原版制作，诚信可靠，可直接看成品样本。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，包您满意。
本公司拥有海外各大学样板无数，能完美还原海外各大学 Bachelor Diploma degree, Master Degree Diploma
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
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
一比一原版(CalArts毕业证)加利福尼亚艺术学院毕业证如何办理
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4.1.Assembly Modeling.pptx
- 1. U18MEI3004 – COMPUTER AIDED DESIGN MODULE 09: Assembly operations SESSION 01: Assembly modeling Mr. Navaneeth V R Department of Mechanical Engineering
- 2. Overview of this Lecture • Assembly modeling • Definition – examples - conditions • Approaches • Assembly tree • Degrees of freedom and analysis
- 3. Assembly Modeling • In an assembly model, components are brought together to define a larger, more complex product representation. • Assembly modeling is a tool that allows and facilitates the collaboration among designers, analysis people, manufacturing people, and others, to insure their assembly works together.
- 4. Assembly - Definition • Assembly – An assembly is a collection of pointers to piece parts and/or subassemblies. An assembly is a part file that contains component objects. • Subassembly – A subassembly is an assembly that is used as a component object within a higher level assembly. A subassembly contains component objects of its own. • Component Object – A component object is the entity that contains and links the pointer from the assembly back to the master component part. A component object can also be a subassembly made up of its own component parts and/or component objects.
- 5. Example
- 6. Mating Conditions • Coincident • Concentric • Coplanar • Tangent • Parallel • Perpendicular • Offset • Surface intersecting an edge • Edge intersecting a point • Angles of surfaces/planes to each other • Relationship of a geometry to a coordinate system
- 7. Assembly Approaches • Bottom-Up Assembly Approach • Top-Down Assembly Approach
- 8. Bottom-Up Assembly Approach • The individual parts a created independently, inserted into the assembly, and located and oriented (using the mating conditions) as required by the design. • The bottom-up-approach is the preferred technique if the parts have already been created (off the shelf). • It allows the designer to focus on the individual parts. It also makes it easier to maintain the relationships and regeneration behaviour of parts than in the top-down approach.
- 10. Top-Down Assembly Approach • In this approach, the assembly file is created first with an assembly layout sketch. • The parts are made in the assembly file or the concept drawing of the parts are inserted and finalized in the assembly file. • In other words, the final geometry of the parts have not been defined before bringing them into the assembly file. The approach is ideal for large assemblies.
- 11. Assembly Tree
- 13. Degrees of Freedom There are six degrees of freedom. • Translation – movement along X, Y,and Z axes(three degrees of freedom). • Rotation – rotate around X, Y,and Z axes (three degrees of freedom).
- 14. Assembly Analysis • Assembly Layout • Bill of Materials (BOM) • Explode View • Section View • Interference Checking • Collision Detection • Mass Property Calculations
- 15. Design Analysis • Property Analysis - FEA Analysis • Mechanism Analysis- Kinematics & Dynamics • Functional Analysis - Engineering Goals • Human Factors Analysis – Emotional, Safety, Mental Needs • Aesthetic Analysis - Apperance and Feel
- 16. Reference • Online sources – Slide share, NPTEL