robust nonlinear control of a hypersonic aircraft

... tri-rotor UAV is a vertical take-off and landing aircraft with rotors in which rotors’s angles can change to allow the flights are more flexible compared to * Email: chinhhq@mta.edu.vn 43 Journal of ... moment of inertia around the z-axis Izz Mass of quadrotor -2 g m.s Gravitational acceleration l m The distance between the center of the tri-rotor and the center of a propeller ωmi rad/s Speed of ... J Escareno (2008) Triple tilting rotor mini-UAV: Modeling and embedded control of the attitude in American Control Conference R L a J E S Salazar-Cruz (2009) Stabilization and nonlinear control

Ngày tải lên: 28/06/2021, 08:58

... occur at higher angles of attack due to delay of flow separation Earnshaw and Lawford7 found that these vortices start to appear at an angle of attack of 5° The boundary layer flow separating ... University, Tainan, Taiwan, Republic of China ** FAMU-FSU College of Engineering, Tallahassee, FL, USA † California Institute of Technology, Pasadena, CA, USA ± University of Illinois at Urbana-Champaign, ... California Institute of Technology, Pasadena, CA 91125, USA ± Assistant Professor, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA †† Professor, University of California, Los Angeles,

Ngày tải lên: 18/10/2022, 11:30

... July 2009 [14] R.M.T. Raja Ismail, M .A. Ahmad, M.S. Ramli, F.R.M. Rashidi, Nonlinear Dynamic Modeling and Analysis of a 3-D Overhead Gantry Crane System with Payload Variation, ems, pp.350- 354, ... (1998). Nonlinear dynamic modeling and analysis of a 3D overhead gantry crane system with system parameters variation was introduced Ismail et al. (2009). These researches developed 3D models of ... horizontal rails and vertical rails). In crane control, there are two approaches, semi- automated and automated approaches. In the first approach, operator is kept in the loop and Tuyển tập

Ngày tải lên: 16/08/2015, 15:47

... adaptive neural control of uncertain nonlinear systems with unknown nonlinearities, and a great deal of progress has been made both in theory and practical applications The idea of ... high-frequency gain in [74][75] A nonlinear. .. addition, the adaptive control law formulated in [74] and [75] are discontinuous As stated in Section 1.1.1, global adaptive control of nonlinear ... stability analysis and control design for uncertain systems. .. for the same problem In Chapter 5, an adaptive control is proposed for a class of parameter-strictfeedback nonlinear

Ngày tải lên: 17/09/2015, 17:20

... length of any part of the wing to be as large as 13.4in Hence the average wing chord is obtained from Tobalske (1996) instead Dynamics and Control of a Flapping Wing Aircraft 134 Appendices A2 Prototype ... speed constant will be: (A2 .12) Dynamics and Control of a Flapping Wing Aircraft 136 Appendices A2 .2 Material Density Table A2 .1: Densities of common materials Material Density (g/cm3) Aluminum ... understanding of flapping flight and it can be used for further development of the EPO Dynamics and Control of a Flapping Wing Aircraft viii Nomenclature AR Wing aspect ratio b Wingspan c Aerofoil

Ngày tải lên: 04/10/2015, 17:06

... space and time As a matter of fact, their dynamics are described by parabolic partial differential equations (PDEs) [1–3] The distributed parameter process systems are usually highly nonlinear ... asymptotically In particular, a simple proportional passive controller with a relaxing condition for the control gain matrix is adopted The infinite dimensional nature of the original distributed parameter ... example, [16] for predictive control of transport reaction processes, [17–19], with robust control of parabolic PDE systems using classical Lyapunov based approach and [20] for passivity based

Ngày tải lên: 12/02/2020, 22:10

... nonlinear system of partial differential equations The system also has a large time delay because of the slowness of the heat exchange The goal of the paper is to develop a controller that will maintain ... was created to simulate the temperature of the exterior wall of the room This temperature curve simulated the exterior surface and was assumed to be at a constant value of 320K A 3-D Cartesian ... displacement ventilation HVAC system Zhicheng Li1, Ramesh K Agarwal1, Huijun Gao2 Department of Mechanical Engineering and Materials Science, Washington University in Saint Louis, MO 63130, USA

Ngày tải lên: 05/09/2013, 16:11

... Principal components analysis based control of a multi-dof underactuated prosthetic hand Giulia C Matrone1*, Christian Cipriani2, Emanuele L Secco3, Giovanni Magenes1, Maria Chiara Carrozza2 Abstract ... Ferrata 1, 27100 Pavia, Italy 2ARTS Lab, Scuola Superiore Sant’Anna, V.le Piaggio 34, 56025 Pontedera (PI), Italy 3EUCENTRE Foundation, Via Ferrata 1, 27100 Pavia, Italy Page 12 of 13 Authors’ contributions ... to have a (N × M) dataset matrix, where N is the dimension of the original amount of data and M is the dimension of each datum, its covariance matrix is a (M × M) matrix whose eigenvectors are

Ngày tải lên: 19/06/2014, 08:20

... (eberdahl@ccrma.stanford.edu) Claude Cadoz (Claude.Cadoz@imag.fr) Nicolas Castagne (Nicolas.Castagne@imag.fr) ISSN 1687-4722 Article type Research Submission date 20 April 2011 Acceptance date ... instrument Edgar Berdahl ∗ (edgar.berdahl@imag.fr), Claude Cadoz (claude.cadoz@imag.fr) and Nicolas Castagn´e (nico- las.castagne@imag.fr) Association pour la Cr´eation et la Recherche sur les ... For example, Ajay Kapur has designed a robotic drummer that automatically plays along with real human performers, such as sitar play- ers [4]. Similarly, researchers at the Georgia Institute of

Ngày tải lên: 21/06/2014, 17:20

... X, Safa AR: RNA helicase A in the MEF1 transcription factor... 2',5'-oligoadenylate synthesis (2-5OAS) pathway that typically results in RNAseL activation and cleavage of viral doublestranded ... genome-length RNA [5]. Results of in vitro translation assays determined that Gag can modulate translation of a reporter RNA that contains the HIV-1 5' UTR [6]. The translational output of the tran- ... interferon-treated HeLa cells and assays that used... translational control is that an RNA structural motif interacts with viral or cellular protein to modulate balanced levels of structural and

Ngày tải lên: 13/08/2014, 05:21

... chains of spherical(West and Asada 1992) or cylin- drical wheels (Hirose and Amano 1993), orthogonal wheels (Killough and Pin 1992), and ball wheels (West and Asada 1994). All of these mechanisms, ... bile manipulator platforms. Each platform was ∗ and Nomadic Technologies Inc., Mountain View, CA equipped with a PUMA 560 arm, and a base which consists of three “lateral” orthogo nal universal- ... caster pro- totype robot was demonstrated (Wada and Mori 1996). A dynamically-controlled, holono mic mobile robot is particularly desirable in a mobile manipulation system for many reasons. A

Ngày tải lên: 26/10/2014, 14:32

... ~ ( ~ )(              T aa T a Ndsbaadb ddbaaadb aa T a ddaad ddaaad T aa T a ddaad ddaaad T aa T a d T a dd daaa T a rr qCqqkqC SSMqkrkqM rr FSCqkqC SSMqkrkqM rr FSCqkqC ... follows: aada aada qqq qqq     ~ ~ (22) Also, the filter tracking error and its derivative, ) ~ ( ~~ 0, ~ ~ aaaadaaa T aaa qkrkqqqkqr kkqkqr       (23) The manipulator dynamics ... respectively. Also, the manipulator has a 3-dof end-effector function as roll, pitch and yaw; and a parallel gripper attached to the yaw. The length and the center of mass of each link are presented as

Ngày tải lên: 06/04/2015, 10:36

... to a wide range of applications that require fast, and precise manipulation over a large workspace [2] There are several advantages offered by the manipulator of a Macro- Mini approach ... performance. Fourth, a Macro-Mini approach enables dynamic control of higher degrees -of- freedom manipulators. Dynamic analysis is a rather complicated issue. See Appendix for a sample equations -of- motion of a ... several advantages offered by the manipulator of a Macro-Mini approach. First of all, this enables a modular approach in manipulator designs. The Mini manipulator can be designed locally to meet

Ngày tải lên: 03/10/2015, 21:56

... to a wide range of applications that require fast, and precise manipulation over a large workspace [2] There are several advantages offered by the manipulator of a Macro- Mini approach ... performance. Fourth, a Macro-Mini approach enables dynamic control of higher degrees -of- freedom manipulators. Dynamic analysis is a rather complicated issue. See Appendix for a sample equations -of- motion of a ... several advantages offered by the manipulator of a Macro-Mini approach. First of all, this enables a modular approach in manipulator designs. The Mini manipulator can be designed locally to meet

Ngày tải lên: 04/10/2015, 07:58

... that the actuators require The advantage of planning in Cartesian space is that path planning is on parameters with resultant of motions of many actuators, instead of going... linkages ... mathematical models derived from laws of physics are used to generate control algorithm. Approximations are made to vary the complexity of the mathematical model. Using this approach, Kajita ... hardware, (2) walking control and (3) artificial intelligence. CHAPTER 2: LITERATURE REVIEW 2.1 8 Mechanical Design and Hardware In the area of mechanical design, one of the important areas

Ngày tải lên: 04/10/2015, 10:25

... human that can do repetitive and hazardous tasks can be dated back to the era of ancient Greek and Egyptian with their automata. More recently, Leonardo da Vinci, a talented and famous Italian artist ... bipedal walking capabilities are just basic features of a robot The features... advanced commercial humanoid robot nowadays, can walk at nearly 0.44m/s on average and a maximum of ... rate of mutation is zero. The parameters of GA are summarized in Table 6.1. CHAPTER 6: LEARNING ALGORITHM 81 Table 6.1. Value of GA’s parameters GA’s parameters 1. Crossover rate 2. Mutation

Ngày tải lên: 04/10/2015, 10:25

... where all parameters, processes and variables are modelled mathematically. Furthermore, the MATLAB program can convert a MATLAB design into a C-code design in a relatively straightforward manner. ... the MATLAB analysis, we get an adequate transient response from this. Also, the transient response does not feature rapid, sharp transients of any kind. It seems to be a reliable and safe option. ... This is a program that allows the user to create mathematical blocks with inputs and outputs; highly suited to designing a control system of this nature. A proper explanation of MATLAB is beyond...

Ngày tải lên: 27/10/2013, 23:15

... Management Framework - Introd uced Marine Pests Priorities and hazards for Economies  Variable levels of activity and management capability  Ships’ ballast water and hull fouling are ... results of the November 2001 Workshop Management Framework - Introd uced Marine Pests Management capabilities and approaches  APEC and the MRCWG have a role in liaising with IMO, FAO, NACA to ... Introd uced Marine Pests Phase 1 – Consultancy  Identified current management capabilities and approaches  Priorities and hazards for APEC Economies  Considerations for a Risk Management Framework  Conclusions,...

Ngày tải lên: 28/10/2013, 11:15

... REPRESENTATIVES John B. Bass, Jr., M.D. American Thoracic Society University of South Alabama Mobile, AL Nancy E. Dunlap, M.D. American College of Chest Physicians University of Alabama at Birmingham Birmingham, ... management of BCG adenitis are variable (i.e., the recommended management ranges from no treatment to treatments such as surgical drainage, administration of anti-TB drugs, or a combi- nation of ... effectiveness of mass neonatal BCG vaccination among Canadian Indians. Am J Public Health 1986;76:783–6. 38. Shapiro C, Cook N, Evans D, et al. A case -control study of BCG and childhood tuberculosis in Cali,...

Ngày tải lên: 15/02/2014, 13:20