... the longitudinal slipping of the kinematic model for mobile robots without lateral slipping The study by Zhou et al.35only considered the lateral slip-ping of the kinematic model for the WMR without ... 2they presented control approaches for trajectory tracking ofmobile robots considering skidding and slipping.31,32 How-ever, the information of skidding and slipping is measured by the global ... Lateral 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
Ngày tải lên: 08/11/2022, 15:01
... Systematic 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. • ... schemes for slip control Internal force and its relationwith slip of wheeled mobile robots is analyzed General slip control structure forwheeled mobile robots is derived based on the internal 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 manipulator leads
Ngày tải lên: 14/09/2015, 08:43
control of wheeled mobile robots an experimental overview
... later both for asymptotic trajectory tracking (Sect 5.) and forposture stabilization (Sect 6.) 3.4 Chained forms The existence of canonical forms for kinematic models of nonholonomic robotsallows ... always be transformed in chained form bystatic feedback transformation [23] As a matter of fact, most (but not all)WMRs can be transformed in chained form For the kinematic model (3.3) of the unicycle, ... Vendittelli Dipartimento di Informatica e Sistemistica, Universit`a degli Studi di Roma “LaSapienza”, Italy The subject of this chapter is the motion control problem of wheeled mobilerobots (WMRs) With
Ngày tải lên: 26/10/2014, 14:32
Adaptive sliding mode based fault tolerant control of wheeled mobile robots
... control of wheeled mobile robots Mustafa Ayyıldız & Umut Tilki To cite this article: Mustafa Ayyıldız & Umut Tilki (2023) Adaptive sliding mode based fault tolerant control of wheeled mobile ... 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 ... energy formula of the mobile robot body without wheels is as follows: T c= 1 2m c v c 2+ 1 through the centre of mass Trang 6Figure 2.Coordinates of points on DDMR.The kinetic energy of the right
Ngày tải lên: 05/02/2025, 07:44
Motion planning for constrained mobile robots in unknown environments
... Mobile Robots 18 2.2 Modeling of Differential Drive Mobile Robots 21 2.2.1 Kinematic Modeling 21 2.2.2 Forward Kinematics 22 2.3 Modeling of Car-like Mobile Robots 23 2.3.1 Rear-wheel ... 2.1.2 Kinematics of Nonholonomic Mobile Robots There are two kinds of commonly used nonholonomic mobile robots: differentialdrive robots and car-like robots A differential drive mobile robot has ... intersection of the drive axis and the line formed by the end points of the vectors Trang 392.2 Modeling of Differential Drive Mobile RobotsFigure 2.3: Kinematics of a differential drive mobile robot
Ngày tải lên: 14/09/2015, 13:00
Characterization and modeling of MOSFETS for RF applications
... 1CHARACTERIZATION AND MODELING OF MOSFETS FOR RF APPLICATIONS MAHALINGAM UMASHANKAR (B E (Hons.), Birla Institute of Technology and Science, Pilani) A THESIS SUBMITTED FOR THE DEGREE OF MASTER OF ENGINEERING ... de-embedding of the probe impedance using RF MOSFET modeling and parameter extraction techniques for both on-state and off-state behavior of the device The given method employs small-signal modeling ... y22 of GD and SD configurations yield y dd of the device Similarly, y22 of GS and y11 of SD both yield y ss Figure 2 5 Redundancy of main diagonal elements As all three configurations are for
Ngày tải lên: 03/10/2015, 20:31
DSpace at VNU: Reinforcement learning-based intelligent tracking control for wheeled mobile robot
... control of wheeled mobile robots with actuator saturation IEEE Transactions on Control Systems Technology 17(2): 449–457 Chwa D (2010) Tracking control of differential-drive wheeled mobile robots ... problem for the system of wheeled mobile robots (WMRs) is the trajectory tracking This problem has been extensively studied in past few decades Generally, a variety of control algorithms for the ... Transactions of the Institute of Measurement and Control Nguyen Tan Luy, Nguyen Thien Thanh and Hoang Minh Tri Reinforcement learning-based intelligent tracking control for wheeled mobile robot
Ngày tải lên: 16/12/2017, 02:29
simulation-modeling-of-hypotheses-for-african-development
... Trang 1Simulation Modeling of Hypotheses for African DevelopmentMarch 2001 Trang 2Task Order No 35Contract No PCE-I-00-96-00002-00Simulation Modeling of Hypotheses for Office of Sustainable Development ... understanding of the differences between these two modeling approaches, and the relative advantages of each, are encouraged to read “DynamicModeling of Ecological-Economic Systems: An Introduction for ... process for expressing, amending, and reviewing further development hypotheses well-The importance of the participatory component of this modeling effort should not be understated Involvement of several
Ngày tải lên: 20/10/2022, 17:19
A behaviour based algorithm for encirclement of a dynamic target using multiple mobile robots
... ALGORITHM FOR ENCIRCLEMENT OF A DYNAMIC TARGET USING MULTIPLE MOBILE ROBOTS LOW YEE LEONG (B.Eng.(Hons.), NUS) A THESIS SUBMITTED FOR THE DEGREE OF MASTER OF ENGINEERING DEPARTMENT OF MECHANICAL ... LITERATURE SURVEY 5 2.1 Circle Formation of Distributed Mobile Robots 5 2.2 Behaviour-Based Control of Multiple Robots 7 2.3 Chapter Summary 9 3 DESIGN OF ROBOTIC BEHAVIOURS FOR ENCIRCLEMENT 10 3.1 ... addition, we will study the performance of this algorithm for different number of robots used and for different speed ratio (target speed / robot speed) Part of the results of this project has been
Ngày tải lên: 15/09/2015, 22:43
Performance analysis of a random search algorithm for distributed autonomous mobile robots
... Trang 1PERFORMANCE ANALYSIS OF A RANDOM SEARCH ALGORITHM FOR DISTRIBUTED AUTONOMOUS MOBILE ROBOTS CHENG CHEE KONG (B.Eng.(Hons.), NUS) A THESIS SUBMITTED FOR THE DEGREE OF MASTER OF ENGINEERING ... benefit of increasing the number of robots We found that ten robots is the optimal number of robots to search in an environment approximately four times the target sensing range for the type of sensors ... OF ROBOTS 85 FIGURE 7-6:STANDARD DEVIATION AGAINST NUMBER OF ROBOTS 86 FIGURE 7-7:DIFFERENT ROBOTS’ STARTING POSITION AND TARGETS POSITION 87 FIGURE 7-8:EXPERIMENTAL RESULTS OF DIFFERENT ROBOTS’
Ngày tải lên: 28/11/2015, 13:34
Summary of Engineering Doctoral Dissertation: Researching and developing some control laws for a wheeled mobile robot in the presence of slippage
... results of addressing slippage for wheeled mobile robots to be published 1.3 Foreign study There have been reports researching on control problems compensating slippage for wheeled mobile robots ... field of mobile robot because the performance of control laws affects the efficiency of the application of mobile robots in production and life Thus, this problem is chosen as the goal of this ... days, motion control problem for wheeled mobile robots has attracted the consideration of researchers all over the world Needless to say, a wheeled mobile robot is one of the system subjected to
Ngày tải lên: 10/01/2020, 07:10
Summary of Engineering Doctoral Dissertation: Researching and developing some control laws for a wheeled mobile robot in the presence of slippage
... results of addressing slippage for wheeled mobile robots to be published 1.3 Foreign study There have been reports researching on control problems compensating slippage for wheeled mobile robots ... field of mobile robot because the performance of control laws affects the efficiency of the application of mobile robots in production and life Thus, this problem is chosen as the goal of this ... days, motion control problem for wheeled mobile robots has attracted the consideration of researchers all over the world Needless to say, a wheeled mobile robot is one of the system subjected to
Ngày tải lên: 16/01/2020, 07:23
A Scalable, Decentralised Large-Scale Network of Mobile Robots for Multi-target Tracking
... sim-ulation results illustrate scalability properties of the large-scale network of mobile robots in terms of number of robots and types of scenarios Keywords: Decentralised Control, Multi-Target ... [3] for control of mobile robot and manipulator, has been extended to widely apply for development of the decentralised control of multi-robot systems for connectivity maintenance Synthesis of ... connectivities for data exchange Hence, a decentralised control for connectivity maintenance and network preservation is the key factor for large-scale networks of mobile robots for multi-target
Ngày tải lên: 21/01/2021, 04:43
RESEARCH ON THE DEVELOPMENT OF AN ADAPTIVE ALGORITHM AND REINFORCEMENT LEARNING BASED ON ACTOR-CRITIC STRUCTURE FOR TRAJECTORY TRACKING CONTROL OF OMNIDIRECTIONAL MECANUM MOBILE ROBOTS
... uncertain factors of the model 3.1 Design of the Reinforcement Learning Algorithm for Trajectory Tracking Control of FMWR Transform the dynamic model of FMWR into the following form: ... types of mobile robots today, omnidirectional mobile robots have the advantage of moving flexibly in all directions without being dependent on the robot's orientation, making them ideal for working ... adaptive and reinforcement learning algorithms to improve the quality of trajectory tracking control for four-wheeled mecanum omnidirectional mobile robots with changing center of gravity The thesis
Ngày tải lên: 15/04/2025, 10:09
ISOTOPE HYDROGRAPH SEPARATION FOR MODELING OF RUNOFF MECHANISMS OF ATMOSPHERICALLY DERIVED CHEMICAL AND RADIOACTIVE POLLUTANTS
... SEPARATION FOR MODELING OF RUNOFF MECHANISMS OF ATMOSPHERICALLY DERIVED CHEMICAL AND RADIOACTIVE POLLUTANTS T Matsunaga*, N Yanase*, Y Hanzawa*, K Tsuduki* and H Naganawa* *Department of Environmental ... amount-weighed mean δD of the precipitation samples (-28.1 ‰), and C2was set to the δD of the river water just before the precipitation event (-47.9 ‰) For the main part of the runoff that is described ... and by setting C1 and C2 as mentioned above, the fraction of new water evaluated for the main part of the runoff (0000 of Oct 22 to 1600 of Oct 23, 40 h in total) was found to be as shown in Fig
Ngày tải lên: 05/09/2013, 09:08
Hybrid Control Design for a Wheeled Mobile RobotThomas Bak 1 docx
... to slip, the planes of each of the wheels must at all times be tangential to concentric circles with the center in the Instantaneous Center of Rotation (ICR) The orientation of the plane of the ... space of the con-trolled system has some fundamental singular points The stability of the hybrid control scheme is nally analyzed using Lyapunov-like arguments 1 Introduction Wheeled mobile robots ... wheel orientations From an operational point of view a relevant specication of the ICR is to give the orientation of two of the four wheels We therefore partition β into β c ∈ S2containing the
Ngày tải lên: 22/03/2014, 11:20
Báo cáo hóa học: " Research Article Dynamic Modeling of Internet Traffic for Intrusion Detection" docx
... number of arrivals dur-ing a sample period and the average utilization durdur-ing a informa-tion of the utilizainforma-tion is the same as the mutual informainforma-tion of the number of packet ... rate of decay of correla-tion and mutual informacorrela-tion does not appear to hold with-out a stronger version of mixing, it is believed that mutual information adds, next to rate of decay of ... potential utility of signal processing techniques such as mutual information for the detection of network traffic anomalies A comprehensive examination of the performance in terms of false positives
Ngày tải lên: 22/06/2014, 23:20
THERMODYNAMIC MODELING, ENERGY EQUIPARTITION, AND NONCONSERVATION OF ENTROPY FOR DISCRETE-TIME pptx
... space of a matrixM, respectively, spec(M) for the spectrum of the square matrixM, rank(M) for the rank of the matrix M, ind(M) for the index of M; that is, min{ k ∈ Z+: rank(M k)=rank(M k+1)},M# for ... involving volume states for eachsubsystem [13] Since this slight extension does not alter any of the results of the paper, it is not considered here for simplicity of exposition For our large-scale ... Rsatisfyingfor anyk2≥ k1≥ k0andS( ·)∈ ᐁ, is called the entropy of Ᏻ. Next, we show that (3.13) guarantees the existence of an entropy function forᏳ For this result, define, the available entropy of the
Ngày tải lên: 23/06/2014, 00:20
Mobile User Experience: The Intricacies Of Designing For Mobile Devices
... Trang 1MOBILE USER EXPERIENCEthe intricacies of designing for mobile devices Antony Ribot, CEO, Ribot UX Corner - 08.01.2009 http://www.flickr.com/taraethers Trang 2First of all, some contextthen ... REWARD-BASED MOBILE BROWSER Trang 20Short-cuts in the soft key menuOpera Mini A REWARD-BASED MOBILE BROWSER Trang 21ProcessTrang 22Mobile UX - the easier pathWorkshop Idea exploration Paper wireframesFormalised ... 10Time for a snack small snippets of info 30-60 seconds simple, but repetitive regular DATA-SNACKING Trang 11Re-use learnt behavioursRe-use interactions inherent in the device Minimise the number of
Ngày tải lên: 20/07/2014, 15:21
on feedback linearization of mobile robots
... Schematic of the mobile robot 2 Dynamics of a Wheeled Mobile Robot the radius of the driving wheels r / 2 b the mass of the mobile robot without the driving wheels and the rotors of the motors ... input-output linearization of the system for two types of output equations which are chosen for the trajectory tracking of the mobile robot The first output takes the coordinates of the center point ... of the system is unstable Although motion planning of mobile robots have been an active topic in robotics in the past decade [9, 10, 11, 12, 131, the study on the feedback control of mobile robots
Ngày tải lên: 26/10/2014, 14:39