The design and operation of a differential polymer electrolyte membrane (PEM) fuel cell is described. The fuel cell design is based on coupled stirred tank reactors (STRs) coupled through a membrane; the gas phase in each reactor compartment is well mixed. The characteristic times for reactant flow, gas phase diffusion, and reaction were chosen so that the gas compositions at both the anode and...

The paper deals with simulation of continuous-time adaptive control of a continuous stirred tank reactor (CSTR). The control design is based on approximation of a nonlinear model of the process by a continuoustime external linear model.with parameters estimated using a corresponding delta model. The control system with two feedback controllers is considered. The controller design is based on th...

The paper deals with nonlinear control under input constraints of a non isothermal Continuous Stirred Tank Reactor (CSTR) using thermodynamic concepts. More precisely, the paper presents an extension of the previous work (Hoang et al. (2012)) where the jacket temperature is used as the only control input. Constrained input control strategy is based on the observation that the chemical reactor o...

In this paper we present a bond graph model of a Continuous Stirred Tank Reactor which represents the reaction kinetics as well as the heat and mass transport phenomena in the reactor. The consequences of reticulation of the phenomena and of the systematic use of the power conjugated variables on the formulation of the thermodynamic properties, the reaction kinetics and the energy and mass tran...

—The article deals with the cascade nonlinear control of a chemical continuous stirred tank reactor. The control is performed in primary and secondary control-loops where the primary controlled output of the reactor is a concentration of the main reaction product and the secondary output is the reactant temperature. A common control input is the coolant flow rate. The controller in the primary ...

This contribution presents program in MATLAB’s Graphical User Interface (GUI) which can be used for investigating of the static and dynamic behaviour and adaptive control of the nonlinear system represented by Continuous Stirred Tank Reactor (CSTR). Program provides computation for various values of the input variables which made this program universal for the wide range of the users without th...

An evaluation of the chromium(VI) adsorption capacity of four magnetite sorbents coated with a polymer phase containing polymethacrylic acid or polyallyl-3-methylimidazolium is presented. Factors that influence the chromium(VI) removal such as solution pH and contact time were investigated in batch experiments and in stirred tank reactor mode. Affinity and rate constants increased with the mola...

A non-linear modelling technique is presented which uses a non-parametric bilinear representation in the form of a linear and a series of bilinear impulse coefficients. The technique is applied in simulation to the identification of a non-linear continuous stirred tank reactor (CSTR) and the resulting model is shown to satisfy correlation based non-linear validity tests. It is also compared wit...

This paper deals with a catalytic continuous stirred tank reactor (CCSTR) example, mo deled as a two-input constrained nonlinear system. Based on the Lyapunov-based linearization strategy, the saturation-type parameterized control design can reduce the effect of actuator subject to amplitude and rate constraints, and the integrated two-input control framework can ensure the asymptotic output re...

In this paper, a method to build asymptotic estimators for continuous stirred tank reactor in the case of constant pressure and constant volume liquid phase is proposed. The estimator is based on the measurement of temperature and some concentrations. This method works for highly nonlinear reactions, with realistic thermodynamic properties and is based on the preservation of two fundamental con...