steady state models for isothermal heterogeneous lumped systems

... Processing 1.1.2 Mixed -state models Mixed -state models have been used for several applications including activity modeling, air traffic management, smart highway system, and so forth (see [17–20]) ... the two values are as follows: 5.4 frames for open door, 4.1 frames for close door, 3.3 frames for pour water, 2.0 frames for erase board, and 6.2 frames for pick up object and put down elsewhere ... models Unlike HMMs, parameter estimation in mixed -state models is intractable Isard and Blake present a sampling technique for estimating a mixed -state model [17] They assume that the structure...

Ngày tải lên: 22/06/2014, 23:20

... window for a given frequency resolution small and thus the time resolution high 3.3 Performing tests How to perform the tests is dependent on the chosen test design We can therefore not state ... have been performed with different hearing instrument models, because test plans not necessarily foresee to sequentially perform all test cases with the same one The noise reduction subsystems of ... Synthetic stimuli for the steady- state verification of modulation-based noise reduction systems EURASIP J Adv Signal Process 2009 (2009) JG Lamm, AK Berg, CG Glück, Synthetic signals for verifying...

Ngày tải lên: 20/06/2014, 22:20

... periods [14] The described procedure requires a steady- state condition of the system under test Therefore all measurements described here are steady- state measurements 3.2 Subband Measurements with ... not only perform well in frequency response measurements, but they should also allow signal parameters to be set individually for different frequency ranges For example, the stimuli for verifying ... systems apply attenuation as a function of the signal’s modulation depth [8] Therefore, the dependency between modulation depth and attenuation is of interest in noise reduction testing For systems...

Ngày tải lên: 21/06/2014, 22:20

... be inappropriate for the validation of system dynamics models (Forrester and Senge, 1980) A review of methodologies for the validation of process models and decision support systems is given ... Quade, 1985): formulating the problem; identifying, designing, and screening the possible alternatives; forecasting future contexts or states of the world; building and using models for predicting ... data for validation are only available to a limited extent? The answers to the research questions mentioned above will lead us to a methodology for the validation of Integrated Systems Models for...

Ngày tải lên: 06/11/2012, 10:35

... of systems described by (1) and ask which of those states are stable equilibria For this purpose denote an arbitrary positive steady state of the system by X ∗ , i.e X ∗ is a placeholder for ... Generalized Models for high-throughput analysis of uncertain nonlinear systems Thilo Gross1,2 , Stefan Siegmund∗2 Max-Planck Technical Institute for the Physics of Complex Systems, N¨thnitzer ... i.e X ∗ is a placeholder for every positive steady state that exists in the class of systems For determining the stability of X ∗ one can use dynamical systems theory and evaluate the Jacobian of...

Ngày tải lên: 18/06/2014, 18:20

... conservative than for the homogeneous medium and thus it is very important to perform the study of in-body WBAN using heterogeneous models Since it is difficult to carry out measurements using heterogeneous ... homogeneous medium can still be used for validation and equipment testing However simulations using heterogeneous models will provide more conservative models for PL Table lists all the attenuation ... and heterogeneous VFB 65 60 Muscle Fit 55 50 PL [dB] Figure compares the simulated PL in human muscle tissue and the 162 simulations for the heterogeneous VFB as a function of distance d for...

Ngày tải lên: 21/06/2014, 01:20

... GPRS+WiMAX, respectively, as exemplary heterogeneous systems to study the spectrum sharing operations of these systems in the TDMA fashion Both of the heterogeneous wireless systems coexistence solutions ... bands available for heterogeneous wireless systems can either be shared by one system at a time or be shared by several systems at a time using finer granularity of spectrum separations For simplicity, ... the SDR platform as our implementation hardware Figure illustrates the hardware and software elements of a base station using the SDR platform for coexistence of heterogeneous wireless systems over...

Ngày tải lên: 21/06/2014, 23:20

... tracking systems is carried out The models so constructed are categorized in three groups: models based on points, models based on shapes, and hybrid models combining points and shapes The systems ... calibrated, the performance of the model was tested for two, three, and four LEDs Figure 15 shows the results obtained for users 1–5 For each subject, black dots represent the real values for the fixations ... projection is assumed for E; therefore, an error must be considered for the pupil center since E is not exactly contained in rm However, no approximations have been considered for the glints and...

Ngày tải lên: 22/06/2014, 19:20

... algorithm for each input sample performs the function of y[n] in a for- loop At the end of each block processing operation, the filter state is updated by copying the last K input data into a state ... a rapid prototyping methodology based on the SynDEx tool, which is suitable for transformation-oriented systems and heterogeneous multicomponent architectures Major contributions concern two points ... practice, systems are a combination of both Nevertheless, an important distinction can be made between systems with deterministic scheduling whose operators are mainly transformation-oriented, and systems...

Ngày tải lên: 22/06/2014, 23:20

... be inappropriate for the validation of system dynamics models (Forrester and Senge, 1980) A review of methodologies for the validation of process models and decision support systems is given ... Quade, 1985): formulating the problem; identifying, designing, and screening the possible alternatives; forecasting future contexts or states of the world; building and using models for predicting ... data for validation are only available to a limited extent? The answers to the research questions mentioned above will lead us to a methodology for the validation of Integrated Systems Models for...

Ngày tải lên: 10/08/2014, 01:22

... offer a complete picture of the socioeconomic state for most of the old in the United States AARP states that 40 percent of all older people in the United States live on incomes less than 200 percent ... Society for General Systems Research, Society for General Systems Research 1981:309-315 Witten TM: Modeling cellular systems and aging processes: I Mathematics of cell system models- A review Mech ... critical size of the tumor cells, the carrying capacity for the tumor cells, the carrying capacity for the normal cells, the per capita growth rate for the tumor and normal cells, and fT(N), fN(T) are...

Ngày tải lên: 13/08/2014, 16:20

... appropriate steady- state flux profiles Although steady- state flux profile data remains difficult to be measured directly and comprehensively, several methods of measuring steady- state flux profiles ... calculations using the steady- state concentrations, the steady- state fluxes, and the Jacobian The following four parameters could not be determined: α3, g33, β3, and h33 For example, h11 is a ... properties of the rate law for the component enzymatic reactions J Theor Biol 1969, 25(3):365-369 Savageau MA: Biochemical systems analysis II The steadystate solutions for an n-pool system using...

Ngày tải lên: 13/08/2014, 23:20

... contributes new models for performing variable selection at the individual level in discrete choice data The heterogeneous variable selection model extends current aggregate level models of Bayesian ... Perugini and Bagozzi (2000), p90 31 CHAPTER THE MODELS This chapter introduces models for individual level variable selection The first variant, the heterogeneous variable selection model extends ... fixed effect models estimated for each individual Academics in marketing have turned to hierarchical Bayesian models to coherently capture heterogeneity and provide 33 inference for both individual...

Ngày tải lên: 02/11/2014, 00:44

... perturbative master equations in the steady- state 18 iii 2.3 Second order steady- state density matrix 22 2.3.1 Dyson expansion for open quantum systems 22 2.3.2 Analytic continuation ... strongly anharmonic systems weakly coupled to heat baths The theory is then simplified for short-time transients and steady- state, where numerical validation for harmonic systems is provided Anharmonic ... Lamb-shifts in the steady state the equation takes the same form as the steady- state Pauli master equation Both the RWA and neglecting the Lamb-shifts are difficult to justify and unfortunately we...

Ngày tải lên: 08/09/2015, 19:35

... 8.2 Symbolic Test Generation for CTAS example 248 8.3 Structural information: (S)MSC-based models for CTAS 251 8.4 Comparing test generation times for (S)MSC based approaches ... objects and their interactions 2.1 State- based models Some of the widely used executable state- based notations in the design and analysis of reactive systems are Statecharts [48], Specification and ... notations for requirements specification and validation of complex reactive systems is an important area of research Use of such models during the early phases of system development forms an easy...

Ngày tải lên: 14/09/2015, 14:06

... combustion CO shift Steam–methane reforming (R6) (R7) (R8) (R9) H2S and NH3 formation reactions H2(v) + S(s) ? H2S(v) N2(v) + H2(v) ? NH3(v) H2S formation NH3 formation (R10) (R11) In a downdraft ... (PR-BM), which is 363 M Formica et al / Energy Conversion and Management 120 (2016) 358–369 appropriate for gasification processes where temperature is quite high  steady state conditions: as demonstrated ... Modelling of tar formation and evolution for biomass gasification: a review Appl Energy 2013;111:129–41 [34] Li C, Suzuki K Tar property, analysis, reforming mechanism and model for biomass gasification...

Ngày tải lên: 01/08/2016, 09:29

... it is difficult to formulate the exact reaction pathways and difficult to simulate Most of the models account for modeling for reduction reaction and often separate sub -models for pyrolysis, oxidation ... computational approaches for hydrogen production from biomass They have divided the models into two broad categories, i.e mathematical models and simulation models Mathematical models include equilibrium, ... individual components before feeding them into the gasification reactor (RGibbs) for further reactions to take place Ramzan et al [81] developed a steady state computer model for hybrid biomass gasifier...

Ngày tải lên: 02/08/2016, 09:34

... Continuous-contact moving-bed adsorption 725 Design models for adsorption systems in wastewater treatment 2.4 Steady- state moving-bed adsorbers Steady- state conditions require continuous movement of ... definition at the breakthrough time, 0b, zs=zE Therefore zE= u8b At the stoicheiometric time, 0,, z, =zo Therefore z o = ue, (7) Design models for adsorption systems in wastewater treatment 721 Combining ... m and methods for estimating HETU for any adsorbent are a ~ a i l a b l e ~The ~ - HETU ~~ for any adsorbent can be determined from Figure and the minimum adsorbent bed height for maximum product...

Ngày tải lên: 25/08/2016, 19:14