... of the thesis 6 2 Related Work 7 2.1 Review of Different Kinds of Mobile Base 7 2.2 Kinematic and Dynamic Modeling of Mobile Base 12 2.3 Kinematic and Dynamic Analysis 16 2.3.1 Kinematic ... for the kinematic and dynamic modeling of wheeled mobile robots An extensive study of this subject was published by (Muir, 1988) A three-wheeled 2-DOF mobile robot was modeled by (Saha and Angles, ... 2.2 Kinematic and Dynamic Modeling of Mobile Robot In the literature of mobile robot, kinematic and dynamic modeling of WMR can be classified under two types Theses are vector approach (Saha and
Ngày tải lên: 08/11/2015, 17:24
... Formulation of Kinematics of Wheeled Mobile Robots Alonzo KellyCMU-RI-TR-10-33 - REV 1.0 Trang 3This document presents a straightforward yet general approach for solving lems in the kinematics of wheeled ... 5.3.1 Forward Kinematics - - - - 15 5.3.2 Inverse Kinematics - - - - 16 Trang 6Table of Contents page iiTrang 71 IntroductionFor control purposes, the kinematics of wheeled mobile robots (WMRs) ... Approach to WMR Kinematics page 62 Kinematic Steering Models For wheeled vehicles, the transformation from the steer angles and rotation rates of the wheels ontopath curvatures and linear and angular
Ngày tải lên: 26/10/2014, 14:31
control of wheeled mobile robots an experimental overview
... (Sect 5.) and forposture stabilization (Sect 6.) 3.4 Chained forms The existence of canonical forms for kinematic models of nonholonomic robotsallows a general and systematic development of both ... explanation of this can be given in terms of a comparison between the number of controlled variables (outputs) andthe number of control inputs For the unicycle-like vehicle of Sect 3., two input commands ... motion control problem of wheeled mobilerobots (WMRs) With reference to the unicycle kinematics, we review andcompare several control strategies for trajectory tracking and posture sta-bilization
Ngày tải lên: 26/10/2014, 14:32
Inverse kinematic and dynamic analysis of redundant measuring manipulator BKHN-MCX-04
... Pedagogical and Technical College Abstract This paper deals with the problem of inverse kinematics and dynamics of a measuring manipulator with kinematic redundancy which was designed and manu-factured ... result and the experimental result 6 CONCLUSION This paper deals with the problem of inverse kinematics and dynamics of a mea-suring manipulator with kinematic redundancy which was designed and ... of the center of mass Ci in {Ox0y0z0} r(i)i =hx(i)Ci, yCi(i), zCi(i)iT position vector of the center of mass Ci in {Oxiyizi} vi= ˙ri velocity of the center of mass Ci ω(i)i angular velocity of
Ngày tải lên: 12/02/2020, 16:16
Adaptive sliding mode based fault tolerant control of wheeled mobile robots
... increases, the expected performance of these systems also increases There are two major categories to consider for mobile robots: non-holonomic and holonomic Wheeled Mobile Robots (WMR) are electromechanical ... d 2˙θ2+ 1 Here, xa, ya, and θ arefer to the position vector of the midpoint of the mobile robot frame The kinetic energy of the right and left wheels in Equation (22) of the robot: T wR= 1 2m ... for not only the generation of an obstacle-free path but also providing an adaptive solution for a combination of one or more of the wheel’s faults The kinematic and dynamic controllers were used
Ngày tải lên: 05/02/2025, 07:44
DESIGN AND CONTROL OF AUTONOMOUS MOBILE ROBOTS WITH IMPROVED DYNAMIC STABILITY 1
... and classification of ferent kinds of wheeled mobile robots can be found in [1] Trang 3dif-For all these kinds of mobile robots, the nonholonomic constraints reduce therange of different motions ... withvarious casters); synchronous drive and steering robots; and omni-directional robots.Rajagopalan [6] analyzed the kinematics of WMR with various combinations of-driving and steering wheels It was shown ... 1Background and Literature Review Perspec-tive Most mobile machines and, particularly mobile robots, roll on wheels [1] Althoughlegged and treaded locomotion were intensively studied and corresponding mobilerobots
Ngày tải lên: 14/09/2015, 08:37
DESIGN AND CONTROL OF AUTONOMOUS MOBILE ROBOTS WITH IMPROVED DYNAMIC STABILITY 2
... way so that the center offlywheel remains below the center of the wheel As a result of this design, there is nohorizontal offset between the center of Gyrobot and the center of flywheel According ... the central shaft of the axle of the wheel There is a verticaloffset of the flywheel from the center of the Gyrobot wheel We designed the internalmechanism, the outer gimbals and the inner gimbals, ... wheel, and (2) the spinningflywheel Energy of the Wheel The kinetic energy of the wheel is given by, Trang 7Energy of the Internal Mechanism and FlywheelContrary to the design used by researchers of
Ngày tải lên: 14/09/2015, 08:37
Slip modelling, estimation and control of omnidirectional wheeled mobile robots with powered caster wheels
... concept of force distributionand internal force analysis for wheeled mobile robots.• Mobile manipulation is an important application for wheeled mobile robots Full dynamic control of the whole mobile ... study of slip problem for wheeled mobile robots. • Practical slip detection and estimation schemes for wheeled mobile robots. • General slip control structure for wheeled mobile robots. • Robust and ... smooth surface, one of the typical environments forwheeled mobile robots Image of the Pioneer P3-DX mobile robot Source:http://www.mobilerobots.com.1.1.2 Vehicle Dynamics Vehicle Dynamics is an old
Ngày tải lên: 14/09/2015, 08:43
Báo cáo y học: "Kinematic and dynamic gait compensations in a rat model of lumbar radiculopathy and the effects of tumor necrosis factor-alpha antagonis" ppsx
... Copyedited andfully formatted PDF and full text (HTML) versions will be made available soon Kinematic and dynamic gait compensations in a rat model of lumbar radiculopathy and the effects of tumor ... the use of quantitative measures of gait kinematics, dynamics, and weight distribution Moreover, we investigate the ability of a TNF antagonist, sTNFRII, to reverse gait abnormalities and hypersensitivities ... number of pre-clinical models, including mechanical constriction of a nerve root via suture ligation, application of exogenous pro-inflammatory mediators to a nerve root, and application of autologous
Ngày tải lên: 12/08/2014, 17:22
Dynamic path planning of multiple mobile robots
... coordinate The kinematic and dynamic models of the nomic mobile robot are studied A tracking controller is designed based on themodels and the models are validated through simulation and experiments ... 6The main aim of the thesis is to develop dynamic path planning methods for mobilerobots in dynamic environments This research consists of multi-agents mobilerobot system construction and online ... kinematic and dynamicmodels are specified in individual application cases In [36] the dynamic model of con-a wheeled inverted pendulum is con-ancon-alyzed from con-a controllcon-ability con-and
Ngày tải lên: 14/09/2015, 10:43
A behaviour based algorithm for encirclement of a dynamic target using multiple mobile robots
... fields of circle formation of distributed mobile robots and behaviour-based control of multiple robots Inspired by [1] and [2], our work studied the encirclement problem of a target Instead of global ... encirclement problem using multiple mobile robots in simulation and hardware experiments We will develop an algorithm for multiple mobile robots to encircle a dynamic target and finally find out the relationship ... a survey of research work related to the encirclement problem They are divided into two parts: circle formation of distributed mobile robots and behaviour-based control of multiple robots 2.1
Ngày tải lên: 15/09/2015, 22:43
applying-3d-printing-to-enhance-learning-in-undergraduate-kinematic-and-dynamic-of-machinery-course
... Economy and Learning Process He is teaching Kinematic and Dynamic Analysis of Machinery, Machine Design, En-gineering Economics, EnEn-gineering Optimization and Vibration to Undergraduate and Graduate ... Enhance Learning in Undergraduate Kinematic and Dynamic of Machinery Course Trang 3Abstract This paper presents the application of 3D printing to enhance the learning of undergraduate students about ... analysis and synthesis of different types of mechanism including Linkage Mechanism, Cam-Follower System, Gears and etc They will learn how to do the displacement, velocity and acceleration analysis of
Ngày tải lên: 01/11/2022, 22:36
an adaptive unscented kalman filter based adaptive tracking control for wheeled mobile robots with control constrains in the presence of wheel slipping
... velocities of left and right driving wheels of mobile robot without slipping are given as follows vL¼ r!L where !L and !R are the angular velocities of the left and right wheels, respectively and r ... controller for mobile robots in the presence of unknown longitudinal and lateral slipping is designed, and the stability of the pro-posed control system is analyzed In ‘‘Adaptive adjustment of control ... slipping ratio of the WMR is defined as35 where is the lateral slipping angle of a mobile robot (see Figure 1), it is the angle between the velocity of the mobile robot v and the x axis of a local
Ngày tải lên: 08/11/2022, 15:01
Static and Dynamic Analysis of Space frames
... result list of load cases, superposition files and influence lines 3.64 Version 8.38.03 • Use of combination codes “SupOrX” and “SupAndX” for superposition files cor-rected • New command “PLSCFAC” ... choose between E- and F-format of the written values • Information about units added to the plot file of the action PlInfl, screen plot Re-sults/ PlInfl and to the list file of the action DoList/Influence ... new program release! 1.2 Unit dependency of Import/Export of RM2000 Export and Import of RM2000 database is now UNIT dependent! In this case: • Import of PARTIAL project, created by RM2000 Version
Ngày tải lên: 06/09/2012, 15:18
Báo cáo toán học: " Exchange Symmetries in Motzkin Path and Bargraph models of Copolymer Adsorption" ppsx
... The length of the period of the colouring changes the behaviour of the system There are also other directed path models of polymer adsorption which could be ied These include models of partially ... line In models of Motzkin paths, the adsorbing line will be the maindiagonal of the lattice, and it is possible for both vertices and edges to lie on this line,and so one may define two models ... (these are models of adsorbing copolymers),except in the simplest of cases [16] Further investigation of these models [26] suggestsinstead that a general solution would be unlikely, and only asymptotic
Ngày tải lên: 07/08/2014, 06:23
Báo cáo y học: " Dimensional and hierarchical models of depression using the Beck Depression Inventory-II in an Arab college student sample" pot
... the“goodness of fit” indices of the original dimensional three-and two-factor first-order models, and their modifications, with the corresponding hierarchical models (i.e., higher - order and bifactor models); ... dimensional three-and two-factor first-order models, and their modi-fications (Figs 1, 2 and 3), with the corresponding hier-archical models (i.e., higher - order and bifactor models) (Figs 4 and 5) We ... [36]; (vi) the higher order models of each of these lower - order factor models (Fig 4); (vii) the bifactor model of each of the lower-order factor models (Fig 5); and (viii) the one-factor general
Ngày tải lên: 11/08/2014, 16:22
Báo cáo y học: "Coverage and error models of protein-protein interaction data by directed graph analysis" pptx
... separately by Walhout and coworkers [31], Mrowka and colleagues [19], and Aloy and Russell [32] have reported on this type of arti-fact and have discussed a relationship between it and some bait proteins' ... assumption of randomness we expect the number of unre-ciprocated in-edges and out-edges to be similar More pre-cisely, under the assumption that the direction of the edge is random, the number of unreciprocated ... accurate enumeration of the sets of tested baits and tested prey in an experiment, and often the published data do not contain sufficient detail to allow iden-tification of these sets As a proxy,
Ngày tải lên: 14/08/2014, 08:20
Static and Dynamic Analysis of Spaceframes
... Disclaimer and Copyright â TDV Technische Datenverarbeitung Ges.m.b.H. Heinz Pircher und Partner Disclaimer Much time and effort have gone into the development and documentation of RM2000 and ... must understand the assumptions of the program and must apply engineering knowledge and skill to independently verify the results. Copyright The computer programs RM2000, GP2000 and all ... associated documentation are proprietary and copyrighted products. Ownership of the program and the documentation remain with TDV Austria. Use of the program and the documentation is restricted to...
Ngày tải lên: 06/09/2012, 15:55
Static and Dynamic Analysis of Spaceframes
... Definition of loading and construction stages. "RECALC Definition of calculation parameters and start of the calculation. "RESULTS Viewing of results and creating of output files (plots and ... the icons at the top of the RM2000 screen), write the sequence of commands and save it as ‘filename.tcl’. The summary and the syntax of the commands to be specified and used in the TCL script ... elements and their attributes. #TENDON Definition of tendons and their attributes. #SPECIAL Comparison of elements and nodes, subdivision of beam or ca- ble elements On selection of "LOADS...
Ngày tải lên: 06/09/2012, 15:55
02 three dimensional static and dynamic analysis of structure
... 2002 Three-Dimensional Static and Dynamic Analysis of Structures A Physical Approach With Emphasis on Earthquake Engineering Edward L. Wilson Professor Emeritus of Structural Engineering University of California ... significance of both the potential and kinetic energy is the behavior of a pendulum shown in Figure 3.3. If the mass of the pendulum has an initial position of max h , the kinetic energy is zero and ... and does not have a unique stress field as a physical interpretation. Clearly, the use of forces and moments is fundamental in structural analysis and design. However, a clear understanding of...
Ngày tải lên: 12/01/2014, 21:45