stiffness control of biomimetic systems through recruitment of bundle elastomeric actuators

... 25 30 35 Time (days) Fig - TMP profiles of MBR at a) R4, b) R5 and c) R6 TMP profiles of MBR experiments with PSI addition Fig shows the fouling frequency in MBR systems when PSI and sole Fe(III) ... the schematic diagram of a typical laboratory-scale MBR experiment Each reactor was made of plexiglass and had a designed working volume of 10 L A flat sheet membrane made of chlorinated polyethylene ... 10 L/day with 1,000 mg/L of biological oxygen demand (BOD), 50 mg/L of nitrogen and 25 mg/L of phosphorus The experiments were conducted at a sludge retention time (SRT) of 33 days and the hydraulic...

Ngày tải lên: 05/09/2013, 10:15

... and Director Professor Michael A Johnson, Professor of Control Systems and Deputy Director Industrial Control Centre, Department of Electronic and Electrical Engineering, University of Strathclyde, ... Notions of Systems and Signals Signals and systems are basic notions of systems and control theory Therefore, we briefly summarize the most important concepts of the mathematical description of signals ... of some of the newer emerging control and signal processing technologies in the textbook series As most of the problems from linear control analysis have found solutions, advances in future control...

Ngày tải lên: 01/01/2014, 18:38

... methods 10 Control of Continuous Linear Systems In summary, the objective of this book is to provide the reader with a sound understanding of the foundations of the modelling and control of linear ... a method of teaching the theory of the control of linear continuous systems This method consists of introducing some basic definitions, and then presenting the theory related to these systems in ... volume V of the lake remains constant A simple model for the pollution of a lake was given in [AGU 99] On the basis of mass 32 Control of Continuous Linear Systems Figure 1.17 Schematic diagram of...

Ngày tải lên: 01/01/2014, 20:12

... aerospace systems, power systems, communications systems, network systems, transportation systems, large-scale manufacturing systems, integrative biological systems, economic systems, ecological systems, ... of Large-Scale Dynamical Systems Finite-Time Stabilization for Large-Scale Homogeneous Systems Decentralized Control for Finite-Time Stabilization of LargeScale Systems Chapter Coordination Control ... dynamical systems of discrete subsystems involving stored energy ow among subsystems based on the assumption of weak subsystem coupling or identical subsystems However, the ability of SEA to...

Ngày tải lên: 12/02/2014, 16:20

... Simulation of a Model of the F8 Aircraft The purpose of this example is to illustrate the effects of multiple saturations on the directions of the controls and consequently on the response of the control ... property of the new control structure, is that the saturation does not alter either the direction of the control vector or the magnitude of the controls Thus, if the compensator inverts part of the ... saturations on its control signals For multivariable systems, a major problem that arises (because of saturations) is the fact that control saturations alter the direction of the control vector For...

Ngày tải lên: 18/02/2014, 10:20

... the control The level of CP2 expression in each group of cells was confirmed by Western blotting, an example of which is shown (bottom panel) Expression of b-tubulin was used as a loading control ... (ROS) via production of free radicals [16] Increased oxidative stress can promote both formation of Ab [17] and hyperphosphorylation of tau in a manner that is reminiscent of neurofibrillar tangles ... dysfunction and death, based on studies of the effects of aggregated Ab in culture [19,20] Iron is involved in the generation of ROS by catalyzing the production of OH• from hydrogen peroxide (H2O2)...

Ngày tải lên: 23/03/2014, 03:20

... proposed, such as LQR/LQG control [2,3], H2/H∞ control [4,5], sliding mode control [6], saturation control [7], reliability-based control [8], fuzzy control [9], neural control [10] In fact, it ... tasks of active structural control problem is to determine a control strategy that uses the measured structural responses to calculate an appropriate control signal to send to the actuator Many control ... 2-dimensional vector The histories of components of E(t) are plotted in Fig and for each case of the location of sensor a) b) c) Fig The history of the 1st component of error term E(t), sensor locates at...

Ngày tải lên: 28/03/2014, 13:20

... proposed, such as LQR/LQG control [2,3], H2/H∞ control [4,5], sliding mode control [6], saturation control [7], reliability-based control [8], fuzzy control [9], neural control [10] In fact, it ... tasks of active structural control problem is to determine a control strategy that uses the measured structural responses to calculate an appropriate control signal to send to the actuator Many control ... 2-dimensional vector The histories of components of E(t) are plotted in Fig and for each case of the location of sensor a) b) c) Fig The history of the 1st component of error term E(t), sensor locates at...

Ngày tải lên: 28/03/2014, 13:20

... than eq (7.2), as well as the dynamical model of nonholonomic systems 7.3 Tools from Nonlinear Control Theory The analysis of nonlinear control systems requires many concepts from differential ... consequences on the design of feedback controllers for nonholonomic systems, as we shall see in Section 7.8 7.4 Classification of Nonholonomic Systems On the basis of the controllability results recalled ... involutive Proof (sketch of ) We make use of the condition given in the first remark at the end of Section 7.3.2 Assume that dim ∆C = m Then, the set of reachable states from any point of the configuration...

Ngày tải lên: 01/04/2014, 00:20

... Equations 201 4.9 Controllability of LTI Systems 203 4.9.1 Definition of Controllability 203 4.9.2 Controllability Condition 204 4.10 Observability of LTI Systems 205 ... basics of 1-D and 2-D tone control of color management systems are discussed State variable representation of imaging systems, control- based 1-D and 2-D tone management, and spot color control ... State-Space Equations of Electrical Systems 179 4.3.4 State-Space Equations of Mechanical Systems 182 State-Space Representation of General Continuous LTI Systems 185 4.4.1 Controllable Canonical...

Ngày tải lên: 05/06/2014, 12:01

... scalar representation equation of a control system in a controllable state space form Because of the specific nature of initial conditions for systems defined by means of Riemann-Liouville derivative, ... and uniqueness of solutions of (2.1) and (2.2) were considered by numerous authors, e.g., [4,8] 2.1 Linear control system in the form of a-integrator Consider a control system of the form (Dαs ... in optimal control of fractional systems can be found, e.g., in [12-14] Authors’ contributions All authors, together, carried out the studies of steering linear fractional control systems, edited,...

Ngày tải lên: 21/06/2014, 02:20

... performed via control of the real power of the uses as the constator Therefore, the speed controller trol input Using the control scheme of Fig 3, is (52) Embedding and controllers in the model of the ... first controller as an integral part of the system Based on the theory of Thus, must be designed so that the second subsystem in (51) remains stable 2) Rotor Speed Controller: Speed control of the ... stable if all of the designed subsystems during the sequential controller design procedure are stable B Design of the Machine-Side Controllers 1) Stator Real and Reactive Power Controllers: Considering...

Ngày tải lên: 27/06/2014, 16:04

... 27 CONTROL OF THE CHASSIS AND ‘BY WIRE’ SYSTEMS • Vehicle dynamics control systems, (VDC, Vehicle Dynamic Control, ESP, Enhanced Stability Program, DSC, Dynamics Stability Control) The goal of ... behavior of the system to be numerically simulated • To supply guidelines for the design of automatic control systems Automatic controllers are often inspired by the behavior of the human controller, ... actual 452 27 CONTROL OF THE CHASSIS AND ‘BY WIRE’ SYSTEMS FIGURE 27.9 Working of an anti-lock system (ABS) (a) Time history of the speed of the vehicle and of the peripheral velocity of the wheel...

Ngày tải lên: 03/07/2014, 19:20

... 1.2 Control Systems for IC Engines 1.2.1 Relevance of Engine Control Systems 1.2.2 Electronic Engine Control Hardware and Software 1.3 Overview of ... Modeling and Control of Internal Combustion Engine Systems Lino Guzzella and Christopher H Onder Introduction to Modeling and Control of Internal Combustion Engine Systems ABC Prof Dr Lino Guzzella ... without sophisticated control systems Fig 1.2 Substructure of a complete vehicle control system 1.2.2 Electronic Engine Control Hardware and Software Typically, an electronic engine control unit (ECU)...

Ngày tải lên: 04/07/2014, 00:20

... One of the earliest papers proposing MVM for engine systems is [195] A good overview of the first developments in the area of MVM of SI engine systems can be found in [167] A more recent source of ... pout mass flow through the valve; open area of the valve; discharge coefficient; density of the fluid, assumed to be constant; pressure upstream of the valve; and pressure downstream of the valve ... oriented aspects of fuel properties, combustion, and thermodynamic cycle calculation Mean-Value Models In this chapter, mean-value models (MVM) of the most important subsystems of SI and Diesel...

Ngày tải lên: 04/07/2014, 00:20

... Predictive Control 16 Proofs for Section 13 16.1 Proof of Theorem 13.11 This proof will follow the so-called “direct method" of establishing stability by directly proving strict decrease of J ∗ ( ... Predictive Control of Nonlinear Systems 53 16.4 Proof of Proposition 14.4 It can be shown that Assumption 13.3, together with the compactness of Σ x , is sufficient for an ∗ analogue of Claim ?? ... receding horizon control of nonlinear systems, Proc IFAC Symposium on Nonlinear Control Systems, Stuttgart, Germany, pp 1055–1060 Aubin, J (1991) Viability Theory, Systems & Control: Foundations...

Ngày tải lên: 27/07/2014, 23:44

... MODELING AND CONTROL OF ENGINEERING SYSTEMS THIRD EDITION This textbook is ideal for a course in Engineering System Dynamics and Controls The work is a comprehensive treatment of the analysis of lumped-parameter ... recognized expert in automatic control systems, computer simulations and control of industrial processes, systems dynamics, vehicle–road dynamic interaction, and transportation systems His fuzzy-logic ... Contents 5.5 5.6 5.7 521 86435 Systems of Differential Equations Stiff Systems of Differential Equations Synopsis Problems 133 133 138 139 SIMULATION OF DYNAMIC SYSTEMS 141 6.1 6.2 6.3 6.4 6.5...

Ngày tải lên: 28/07/2014, 19:10

... dissection of the contribution of transcriptional and translational control of gene expression in genome-wide studies http://jbiol.com/content/6/2/4 Control of metabolic fluxes at the level of enzyme ... flux through the pathway and the concentrations of intermediates within it To exploit metabolic control analysis in an initial systems biology analysis of the eukaryotic cell, two categories of ... major controller of eukaryotic cell growth) is not subject to growth-rate regulation Moreover, integrative studies reveal the extent and importance of post-transcriptional control, patterns of control...

Ngày tải lên: 06/08/2014, 18:21

... parameters of polynomials describing the shape of a segment of the ring density profile Linear correlation coefficients between the density of each point in the mean adjusted ring density profile ... There is no effect of the date of measurement A very high clonal effect is the main effect, despite the relatively low number of clones and the lack of data about the wood quality of the selected ... m of the stem of standing Douglas fir, i.e of the most valuable part of these trees The strongest relationship between the trunk MOE and a destructive sample MOE is obtained with the mean of...

Ngày tải lên: 08/08/2014, 14:21