robust nonlinear controller for turbocharged diesel engines

... uniform mesh converges μ-uniformly to the solution of problem 1.1. A robust monotone iterative method for solving the nonlinear difference scheme is constructed. In Section 3, we construct a robust ... algorithms for solving nonlinear discrete problems. Our goal is to construct a μ-uniform numerical method for solving problem 1.1,that is, a numerical method which generates μ-uniformly convergent ... ordering see 5, Chapter 13 for details. The purpose of this paper is to construct μ-uniformly convergent monotone iterative methods for solving μ-uniformly convergent nonlinear diff erence schemes.

Ngày tải lên: 21/06/2014, 20:20

... Hình 11. Performance of the controlled system with current controller for frozen value for The performance of the closed-loop system at with two controllers designed for the frozen ... performance of the closed-loop system with controller designed for different frozen values of for other rotor angular speeds is investigated. The performance analysis is also extended for ... figure for the purpose of comparison of the achieved performance among these controllers. Figure 10 shows the performance of the closed-loop system at with two controllers designed for the

Ngày tải lên: 26/10/2014, 14:39

... natural signal can be made sparse by applying orthogonal transforms such as wavelet transform, Fast Fourier transform, discrete cosine transform This step is represented as s = Ψ T x, (2) where x is ... upon acceptance It can be downloaded, printed and distributed freely for any purposes (see copyright notice below) For information about publishing your research in EURASIP Journal on Advances ... outputs The L noisy outputs are then averaged for denoising The proposed method in this article is designed for CS reconstruction of image signal The performance of our proposed method was compared

Ngày tải lên: 21/06/2014, 17:20

... One notes that for the obtained test statistic there is no closed-form expression for its pdf. This means that we cannot set the excision threshold analytically. We will use therefore an alternative ... check the performance of this method, we consider again the same situation as before. The results obtained are shown in column A. Younsi et al. 7 Table 6: Performance of the NHD for N = 8, μ ... will investigate the performance of these two methods in homogeneous clutteraswellasinnonhomogeneousclutter. 4. PERFORMANCE ANALYSIS In this section, we analyze the performance of our proposed

Ngày tải lên: 21/06/2014, 22:20

... notation Mx to k denote the binary mask k of facial feature x, where x is e for eyes, m for mouth, n for nose, and b for eyebrows, and Lx denotes the respective luminance masks Additionally, feature ... in chromatic components is a good indicator for color noise presence Therefore, σCr , σCb are less than tσ for good color quality and much larger for poor quality images Regarding resolution, ... each of the intermediate masks WIx denotes WI for single mask x and WI f is the WI for the final mask for each facial feature; WIx denotes the average WI for mask x calculated over all test frames

Ngày tải lên: 22/06/2014, 19:20

... algorithms are robust to MAI, since their accuracy remained almost constant for all tested SIR values. DPE algorithm ex- hibits again superior performance. The simulation results presented before were ... BS, for example, by using an information theoretic criterion (AIC, MDL). However, in practice, P can be overestimated or underestimated. To this end, we evaluated the performance of DPE for  ... B and its inverse are strongly diagonally domi- nant. To apply the aforementioned proposition in our prob- lem, for example, for matrix D(τ)in(12), three conditions should be satisfied. (1) P 

Ngày tải lên: 22/06/2014, 22:20

... diversity scheme for several chan- nels of a digital subscriber line [4]. The performance im- proves significantly for Rayleigh faded channels by taking into account a small performance loss for the AWGN ... is still present for a robust pilot-aided channel estimator. In a well-designed system, rotated spreading extends the perfor m ance by using a maximum likelihood detector with robust channel estimation ... The performance of OFDMA compared to MC-CDMA for a fully loaded system depends on the channel coding rate and the ability of the channel code to exploit diversity. For higher channel codes, for

Ngày tải lên: 23/06/2014, 00:20

... compression engines could be built on any scale from the fractional horsepower to the 2400-hp Italian Tosi of 1912 Compared to steam engines, the diesel was compact and clean Rudolf Diesel ... many diesel engine manufacturers mostly on their smaller-size engines Larger engines used some sort of pump -and- line-type system with fuel nozzles to provide the engine... quality Diesel ... intentionally left blank Troubleshooting and Repairing Diesel Engines This page intentionally left blank 1 CHAPTER Rudolf Diesel Rudolf Diesel was born of German parentage in Paris in 1858

Ngày tải lên: 04/07/2014, 14:20

... generation for... provisions, and alignment procedures for installing diesel engines in motor vehicles, stationary applications, and small boats What I have tried to do here is to provide information ... relatively smooth and diesel engines are sometimes called “constant pressure” devices to distinguish them from “constant volume” SI engines (shown back at Fig. 2-4). 14 Diesel basics 2-4 These ... with gasoline engines. Diesel pickups and SUVs appeal in ways other than fuel economy. Owners of these vehicles tend to become diesel enthusiasts. I’m not sure why, but it probably 18 Diesel basics

Ngày tải lên: 04/07/2014, 14:20

... Liquid Sprays Characteristics in Diesel Engines 19 Liquid Sprays Characteristics in Diesel Engines Simón Martínez-Martínez, Fausto A. Sánchez-Cruz, Vicente R. ... consequences are triggered that lead to an optimum combustion, and therefore in the improvement of the engines capabilities. In Diesel engines the combustion process basically depends on the fuel injected ... making this study of high importance for optimizing the injection process, and therefore reducing the pollutant emissions and improving the engines performance. Because of these, the importance

Ngày tải lên: 27/07/2014, 23:30

... requirements for a pri- ori information, clearly defined relationships between network characteristics and parameters, and greatly enhanced facility for customized analysis. The best-known examples of nonlinear ... state and that therefore steady- state information alone is not sufficient for the full char- acterization of a network. Mendes and Kell [37] used a neural network approach for an inverse problem ... only possibility for the effect of X 3 on both X 1 and X 4 , because the former is a pro- tein and the latter are RNA transcripts. For the mathemat- ical model in the S-system form, this is not

Ngày tải lên: 13/08/2014, 22:22

... fuzzy logic controller contains four main parts, two of which perform transformations... nonholonomic mobile robots is, therefore, a challenging problem which combines nonlinear control ... FUZZY MEMBERSHIP FUNCTIONS 59 5.3.1 Simulink Model for Robot and Fuzzy Toolbox for Fuzzy Rules 59 5.3.2 Simulink Model for Robot and M-File for Fuzzy Rules 60 5.4 RESULTS OBTAINED USING FLC ... microcontroller. The robot is driven by two independent servo motors. Three ultrasonic range sensors are used by the robot − two on one side (the controller inputs) and one in the front (for

Ngày tải lên: 26/10/2014, 14:35

... references therein. And many powerful methodologies for designing tracking controllers are proposed for uncertain nonlinear systems. The uncertain nonlinear systems may be subjected to the following ... systematic procedure for the synthesis of adaptive fuzzy robust tracking controller (AFRTC) is developed. In Section V, two application examples for designing the tracking control for the pole-balancing ... order for all , and is piecewise continuous. Let such that is bounded. Sup- pose . The (1) can be transformed into (2) In thispaper, we present a methodfor the adaptive robust con- trol design for

Ngày tải lên: 01/07/2015, 09:22

... path controller for the CWA that can resolve the instability. The drive for the control system was generated by the weighted sum of the internal restoring force and the external applied normal force, ... needing to apply a very large normal force. The performance of the nonlinear EPC was verified by simulation experiments. To improve the performance of the CWA, a force feedback joystick was used ... love, comfort and continual support to my work and care to my life, my lovely son, Zhou Peixin for his understanding that I cannot often accompany him for my studies, and my parents for their

Ngày tải lên: 11/09/2015, 09:59

... 182 v SUMMARY “Data rich but information poor” is a common problem for most chemical processes. Therefore, how to extract useful information from data for controller design is one of the challenges ... Learning Modeling Technique 2.2 Controller Designs for Nonlinear Processes 11 2.2.1 LQI controller design method 11 2.2.2 Adaptive control 12 2.2.3 Nonlinear internal model control 17 ... parameters for polymerization reactor 49 Table 4.3 Control performance comparison of three controllers 52 Table 4.4 Process model for example 60 Table 4.5 Gain-scheduling PI controller

Ngày tải lên: 12/09/2015, 08:20

... control technique Chapter 2 Robust and Nonlinear Control Techniques for Servo Systems 2.2 18 Robust and Perfect Tracking Control. .. the performance of head positioning ... techniques. This thesis begins with an investigation of some robust linear and nonlinear control techniques for servo system design. First, the Robust and Perfect Tracking (RPT) control technique is ... adverse effects on closed-loop performance. A parameterized track following controller is first designed for the microdrive using the RPT control combined with integral and nonlinear compensation. Next,

Ngày tải lên: 15/09/2015, 22:15

... restoring force and elastic force (See section 3.2). For the Scooter two parameters weight the relationship between restoring and elastic force/torque. Please refer to section 4.4 for more information. Figure ... program. Several controllers were tested for each kinematics model, including the feedback linearization based controller proposed by Samson [15, 19, 17] and a nonlinear Lyapunov-oriented controller ... Coordinates Transformation 68 B Coordinates Transformation 2 70 v Summary This thesis describes the development of an elastic path controller for assistive robotic devices. This controller combines

Ngày tải lên: 04/10/2015, 15:52

... CODES FOR THE DLPSO ALGORITHM 111 A FIRST LAYER OF PSO FOR STRUCTURAL OPTIMIZATION 111 B SECOND LAYER OF DLPSO FOR WEIGHT OPTIMIZATION 115 C FITNESS EVALUATION OF THE ANN CONTROLLER FOR ... the PI controller in terms of overshoot Hence, for this application, the dynamic performance of the ANN controller designed using the DLPSO algorithm is better than the conventional PI controller ... performance of the ANN controller by analyzing the actual output voltage The dynamic performance indicators used are typically, the overshoot voltages and settling times This is carried out for

Ngày tải lên: 05/10/2015, 22:04

... computer-numerical-control for machine-tool or robot controllers were developed for particular application areas Such controllers will contain a number of motion controllers for the axes of the machine ... the use of a z-transform, which is handled in a similar manner to a Laplace transform: the relationships for a number Laplace and ztransforms is given in Table 10.1 In order for the system to be ... ADCs are used for simultaneous sampling to maintain correct phase information, and can be integrated within the DSP CHAPTER 10 CONTROLLERS FOR AUTOMATION 259 10.2 Motion controllers In

Ngày tải lên: 28/12/2015, 17:05