Pivot Algorithm
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The Pivot algorithm is a very efficient ‘dynamic’ algorithm for generating d-dimensional canonical ensemble. It drastically modifies the chain dimension.
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![What Is Pivot Algorithm?
• The Pivot algorithm is a very efficient ‘dynamic’ algorithm for
generating d-dimensional canonical ensemble.[1][2][3]
• It drastically modifies the chain dimension.](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)
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• Use the swing-up strategy to move the pendulum into the unstable upward position (‘saddle’). The cart/pole system employs linear bearings for back-and-forward motion. The motor shaft has a pinion gear that rides on a track permitting the cart to move in a linear fashion. Both rack and pinion are made of hardened steel and mesh with a tight tolerance. The rack-and-pinion mechanism eliminates undesirable effects found in belt-driven and free-wheel systems, such as slippage or belt stretching, ensuring consistent and continuous traction.
• The motor shaft is coupled to a high-resolution optical encoder that accurately measures the position of the cart. The angle of the pendulum is also measured by an optical encoder, and the system employs an LQR controller to stabilize the pendulum rod at the unstable-equilibrium position.
• Addition of real-time status reporting and visualization of the system.
For the project, the Quanser High Frequency Linear Cart (HFLC) was used. The HFLC system consists of a precisely machined solid aluminum cart driven by a high-power 3-phase brushless DC motor. The cart slides along two high-precision, ground-hardened stainless steel guide rails, allowing for multiple turns and continuous measurement over the entire range of motion.
Our team implemented a control strategy that consists of a linear stabilizing LQR controller, proportional-integral swing-up control, and a supervisory coordinator that determines the control strategy (LQR or swing-up) to be used at any given time. The function of the linear stabilizer is to stabilize the system when it is in the vicinity of the unstable equilibrium. When the pendulum is in its natural state (straight-down stable-equilibrium node), the swing-up controller provides the cart/pendulum system with adequate energy to move the pendulum to the unstable equilibrium inside the “region of attraction” in which the linearized LQR controller is functional.
cir
This document discusses circular interpolation in CNC machining. It describes how circular interpolation directs CNC machines to cut circular paths by moving the tool simultaneously in the X and Y directions in short linear segments that approximate an arc. It discusses cutting direction, the G02 and G03 commands used to specify clockwise or counterclockwise motion, and programming arcs using radius or center point vectors. Examples are provided of programming arcs using absolute and incremental coordinates.
Pantograph,geneva,swinging mechanisms
The document discusses different types of swinging mechanisms. It explains that a pantograph uses a system of parallelograms to produce identical or scaled copies of an image traced by one pen using a second pen. It then discusses various swinging mechanisms like the toothed-rack system, crank and slotted lever, crank and rocker, and cam and follower mechanisms. The Geneva mechanism is described as a timing device that translates continuous rotation into intermittent rotary motion using a pin and slot system. Applications mentioned include movie projectors and automated devices.
study of yaw and pitch control in quad copter
This document describes an experimental study of yaw and pitch control in quadcopters. It discusses how quadcopters use independent variation of rotor speeds to control pitch, roll, and yaw. Yaw control is achieved by varying the net torque on the quadcopter by increasing the thrust of rotors spinning in one direction compared to the other. Pitch control is achieved by varying the net center of thrust. The document provides equations for calculating torque and describes how adjusting rotor thrusts can cause the quadcopter to yaw or rotate in different directions.
04powertransmissionsystems-160531050438.pptx
Power transmission systems are used to transmit motion from a prime mover to end equipment. They include gears, belts, chains, and shafts. Gears transmit motion through meshing teeth and can be used to increase or decrease speed. Belts and chains are used over long distances. Motion is converted between rotary and linear using various mechanisms like lead screws, rack and pinion, and cams. Bearings support shafts and provide low friction rotation. Couplings connect transmission components.
Modelling_of_Mechanical_Systems1.pptx
This document provides an overview of mathematical modeling of mechanical systems including translational, rotational, and linkage systems. It begins with an outline describing translational systems, rotational systems, and mechanical linkages. It then discusses the basic elements of translational systems including springs, masses, and dampers. Several examples are provided of modeling simple translational spring-mass systems and deriving the equations of motion. The document also covers rotational systems and provides examples of modeling rotational spring-mass systems. Mechanical linkages such as gears are briefly discussed.
Kinematics of Machines
The document discusses kinematics of machines and mechanisms. It covers topics such as kinematics, types of links, kinematic pairs, classification of kinematic pairs based on contact and motion, degrees of freedom, kinematic chains, joints, inversion of mechanisms, and straight line generators. Examples of mechanisms are provided to illustrate concepts like the 4-bar linkage, Scott-Russell straight line mechanism, Peaucellier straight line mechanism, and mechanical advantage.
Attitude Control of Satellite Test Setup Using Reaction Wheels
This document summarizes a presentation about attitude control of a satellite test setup using reaction wheels. It describes the mathematical models of DC motors, reaction wheels, and the satellite test setup. It also discusses the implementation of a PID controller to control the satellite's orientation by generating angular velocity references for the reaction wheels. Simulation results show that the settling time of the system was decreased from 21.5 seconds to 6.1 seconds by optimizing the PID gains. Future work is planned to consider effects like vibrations and actuator saturations when testing the system.
Velocity & acceleration diagrams
This document provides an introduction to kinematics and the analysis of mechanisms using velocity and acceleration diagrams. It discusses:
1. Key concepts in mechanisms including different types of motion transformations and common mechanism components like four-bar linkages.
2. How to determine the displacement, velocity, and acceleration of points within a mechanism using either mathematical equations or graphical methods using velocity and acceleration diagrams.
3. How to construct velocity diagrams by determining the absolute and relative velocities of points and drawing them as vectors. This allows solving for unknown velocities.
4. How to extend the method to acceleration diagrams to determine centripetal and other accelerations which are important for calculating inertia forces.
The document provides examples
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KINEMATICS OF MACHINES-UNIT-I-BASIC CONCEPTS & INTRODUCTION
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一比一原版(uofo毕业证书)美国俄勒冈大学毕业证如何办理
原版一模一样【微信：741003700 】【(uofo毕业证书)美国俄勒冈大学毕业证成绩单】【微信：741003700 】学位证，留信认证（真实可查，永久存档）原件一模一样纸张工艺/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。
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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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办理(uofo毕业证书)美国俄勒冈大学毕业证【微信：741003700 】外观非常简单，由纸质材料制成，上面印有校徽、校名、毕业生姓名、专业等信息。
办理(uofo毕业证书)美国俄勒冈大学毕业证【微信：741003700 】格式相对统一，各专业都有相应的模板。通常包括以下部分：
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校名:学校英文全称
授予学位：本部分将注明获得的具体学位名称。
毕业生姓名：这是最重要的信息之一，标志着该证书是由特定人员获得的。
颁发日期：这是毕业正式生效的时间，也代表着毕业生学业的结束。
其他信息：根据不同的专业和学位，可能会有一些特定的信息或章节。
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综上所述，办理(uofo毕业证书)美国俄勒冈大学毕业证【微信：741003700 】是证明身份和学历的高价值文件。外观简单庄重，格式统一，包括重要的个人信息和发布日期。对持有人来说，妥善保管是非常重要的。
OOPS_Lab_Manual - programs using C++ programming language
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Impartiality as per ISO /IEC 17025:2017 Standard
This document provides basic guidelines for imparitallity requirement of ISO 17025. It defines in detial how it is met and wiudhwdih jdhsjdhwudjwkdbjwkdddddddddddkkkkkkkkkkkkkkkkkkkkkkkwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwioiiiiiiiiiiiii uwwwwwwwwwwwwwwwwhe wiqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqq gbbbbbbbbbbbbb owdjjjjjjjjjjjjjjjjjjjj widhi owqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqq uwdhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhwqiiiiiiiiiiiiiiiiiiiiiiiiiiiiw0pooooojjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj whhhhhhhhhhh wheeeeeeee wihieiiiiii wihe
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Supermarket Management System Project Report.pdf
Supermarket management is a stand-alone J2EE using Eclipse Juno program.
This project contains all the necessary required information about maintaining
the supermarket billing system.
The core idea of this project to minimize the paper work and centralize the
data. Here all the communication is taken in secure manner. That is, in this
application the information will be stored in client itself. For further security the
data base is stored in the back-end oracle and so no intruders can access it.
Prediction of Electrical Energy Efficiency Using Information on Consumer's Ac...
Energy efficiency has been important since the latter part of the last century. The main object of this survey is to determine the energy efficiency knowledge among consumers. Two separate districts in Bangladesh are selected to conduct the survey on households and showrooms about the energy and seller also. The survey uses the data to find some regression equations from which it is easy to predict energy efficiency knowledge. The data is analyzed and calculated based on five important criteria. The initial target was to find some factors that help predict a person's energy efficiency knowledge. From the survey, it is found that the energy efficiency awareness among the people of our country is very low. Relationships between household energy use behaviors are estimated using a unique dataset of about 40 households and 20 showrooms in Bangladesh's Chapainawabganj and Bagerhat districts. Knowledge of energy consumption and energy efficiency technology options is found to be associated with household use of energy conservation practices. Household characteristics also influence household energy use behavior. Younger household cohorts are more likely to adopt energy-efficient technologies and energy conservation practices and place primary importance on energy saving for environmental reasons. Education also influences attitudes toward energy conservation in Bangladesh. Low-education households indicate they primarily save electricity for the environment while high-education households indicate they are motivated by environmental concerns.
FULL STACK PROGRAMMING - Both Front End and Back End
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Sri Guru Hargobind Ji (19 June 1595 - 3 March 1644) is revered as the Sixth Nanak.
• On 25 May 1606 Guru Arjan nominated his son Sri Hargobind Ji as his successor. Shortly
afterwards, Guru Arjan was arrested, tortured and killed by order of the Mogul Emperor
Jahangir.
• Guru Hargobind's succession ceremony took place on 24 June 1606. He was barely
eleven years old when he became 6th Guru.
• As ordered by Guru Arjan Dev Ji, he put on two swords, one indicated his spiritual
authority (PIRI) and the other, his temporal authority (MIRI). He thus for the first time
initiated military tradition in the Sikh faith to resist religious persecution, protect
people’s freedom and independence to practice religion by choice. He transformed
Sikhs to be Saints and Soldier.
• He had a long tenure as Guru, lasting 37 years, 9 months and 3 days
Beckhoff Programmable Logic Control Overview Presentation
This presentation is to describe the overview of PLC Beckhoff for beginners
Call Girls Chennai +91-8824825030 Vip Call Girls Chennai
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Accident detection system project report.pdf
The Rapid growth of technology and infrastructure has made our lives easier. The
advent of technology has also increased the traffic hazards and the road accidents take place
frequently which causes huge loss of life and property because of the poor emergency facilities.
Many lives could have been saved if emergency service could get accident information and
reach in time. Our project will provide an optimum solution to this draw back. A piezo electric
sensor can be used as a crash or rollover detector of the vehicle during and after a crash. With
signals from a piezo electric sensor, a severe accident can be recognized. According to this
project when a vehicle meets with an accident immediately piezo electric sensor will detect the
signal or if a car rolls over. Then with the help of GSM module and GPS module, the location
will be sent to the emergency contact. Then after conforming the location necessary action will
be taken. If the person meets with a small accident or if there is no serious threat to anyone’s
life, then the alert message can be terminated by the driver by a switch provided in order to
avoid wasting the valuable time of the medical rescue team.
Mechanical Engineering on AAI Summer Training Report-003.pdf
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AI in customer support Use cases solutions development and implementation.pdf
AI in customer support will integrate with emerging technologies such as augmented reality (AR) and virtual reality (VR) to enhance service delivery. AR-enabled smart glasses or VR environments will provide immersive support experiences, allowing customers to visualize solutions, receive step-by-step guidance, and interact with virtual support agents in real-time. These technologies will bridge the gap between physical and digital experiences, offering innovative ways to resolve issues, demonstrate products, and deliver personalized training and support.
https://www.leewayhertz.com/ai-in-customer-support/#How-does-AI-work-in-customer-support
Blood finder application project report (1).pdf
Blood Finder is an emergency time app where a user can search for the blood banks as
well as the registered blood donors around Mumbai. This application also provide an
opportunity for the user of this application to become a registered donor for this user have
to enroll for the donor request from the application itself. If the admin wish to make user
a registered donor, with some of the formalities with the organization it can be done.
Specialization of this application is that the user will not have to register on sign-in for
searching the blood banks and blood donors it can be just done by installing the
application to the mobile.
The purpose of making this application is to save the user’s time for searching blood of
needed blood group during the time of the emergency.
This is an android application developed in Java and XML with the connectivity of
SQLite database. This application will provide most of basic functionality required for an
emergency time application. All the details of Blood banks and Blood donors are stored
in the database i.e. SQLite.
This application allowed the user to get all the information regarding blood banks and
blood donors such as Name, Number, Address, Blood Group, rather than searching it on
the different websites and wasting the precious time. This application is effective and
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Pivot Algorithm
- 1. PIVOT ALGORITHM Vineet Kumar Doshi 11010759 CL 622
- 2. What Is Pivot Algorithm? • The Pivot algorithm is a very efficient ‘dynamic’ algorithm for generating d-dimensional canonical ensemble.[1][2][3] • It drastically modifies the chain dimension.
- 3. How It Works? The pivot algorithm uses pivot moves as the transitions in Markov chain which proceeds as follows. • Choose the pivot point. • Transform the coordinates of either side by rotating about the pivot point. • If the resulting walk is self-avoiding the move is accepted, otherwise the move is rejected and the original walk is retained.
- 4. How To Rotate About Pivot? For rotating the chain about its pivot one must have knowledge about coordinate transformation. Following are the common rotation matrices for 2D system:
- 5. Example A*(1,2) Pivot P(1,1) O A(2,1) If we have a line segment joining P (1, 1) and A (2, 1), and we want the line segment to rotate 90° counterclockwise about point P (P is pivot). So the x and y coordinate of the new point A: 1. 2. 3. 4. Hence, the new coordinates after 90° counterclockwise rotation is (1, 2).
- 6. Rotation Matrix for 3D System
- 7. Analysis – Scaling Exponent Scaling exponent can be computed for the system using Square Average Radius of Gyration.
- 8. Analysis – Scaling Exponent (contd.) < Rg2 > ∝ (N) 2ν For 2D system: ν = 0.75 For 3D system: ν = 0.588
- 9. References • [1] M. Kroger, Introduction to Computational Physics, Lecture Notes; ETH Zurich (2008). • [2] Joachim P. Wittmer et. al., Monte Carlo Simulation of Polymers, NIC Series 23, 83-140 (2001). • [3] Nathan Clisby, Efficient Implementation of pivot algorithm for self-avoiding walks, ARC, (2010).