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IMC-PID controller tuning from closed-loop setpoint response
Mudassir Hasan,M. Shamsuzzoha,Moonyong Lee 제어로봇시스템학회 2012 제어로봇시스템학회 국제학술대회 논문집 Vol.2012 No.10
The proposed IMC-PID tuning method is extension of the recently published setpoint overshoot method (2010). It is one step procedure to obtain the PI/PID setting which gives the better performance and robustness. The method requires one closed-loop step setpoint response experiment using a proportional only controller with gain Kc0. Based on simulations for a range of first-order with delay processes, simple correlations have been derived to give PI/PID.filter controller settings. The controller gain (Kc/Kc0) is only a function of the overshoot observed in the setpoint experiment. The controller integral and derivative time (τI and τD) is mainly a function of the time to reach the first peak (tp). The proposed tuning method shows better performance than the setpoint overshoot method (2010) for broad range of processes.
Mudassir Hasan,Arghya Narayan Banerjee,이문용 한국공업화학회 2015 Journal of Industrial and Engineering Chemistry Vol.21 No.1
GN@PVC nanocomposite fiber was synthesized by simple facile deposition technique using THF as asolvent. The as-prepared GN@PVC nanocomposite fibers were characterized by BET, Raman, XPS, XRD,TEM, TGA, DRS and SEM. BET analysis of GN@PVC showed 70% enhancement in the surface area over PVCfibers. The thermal stability of GN@PVC nanocomposite fibers was found to be highly dependent on theweight percent of GN and nanocomposite with 3 wt.% GN showed 8% increase in glass transitiontemperature and 36% improvement in the activation energy for thermal degradation. Moreover,GN@PVC nanocomposite fibers showed lower band gap in comparison to PVC.
Mudassir Hasan,Muhammad Mohsin Hossain,이문용 한국공업화학회 2015 Journal of Industrial and Engineering Chemistry Vol.32 No.-
This paper reports the synthesis of camphor sulfonic acid (CSA) doped PANI/GN composite nanofibers bythe in situ chemical oxidative polymerization of aniline in the presence of cationic surfactant cetyl trimethyl ammonium bromide (CTAB). The as-synthesized composite nanofibers were examined by scanningelectron microscopy, transmission electron microscopy, X-ray diffraction, Raman spectroscopy, UV–visdiffused reflectance spectroscopy, and thermogravimetric analysis. The CSA-doped PANI/GN compositenanofibers showed higher DC electrical conductivity than PANI, which was attributed to the enhancedmobility of the charge carriers after the incorporation of GN into the PANI/GN composite nanofibers. ThePANI/GN composite nanofibers also showed improved DC electrical conductivity retention at 413 K, whichmight be due to the synergistic effects of GN and PANI in the composite structure.
Mudassir Hasan,모드안사리,조무환,이문용 한국공업화학회 2015 Journal of Industrial and Engineering Chemistry Vol.22 No.-
polymerization of aniline in the presence of V2O5 and cetyltrimethylammonium bromide, as a surfactant. The prepared composite nanofibers were characterized by scanning electron microscopy, transmissionelectron microscopy, X-ray diffraction, Raman spectroscopy, X-ray photoelectron spectroscopy, UV–visible diffused reflectance spectroscopy, thermogravimetric analysis, and differential scanningcalorimetry. The V2O5@Pani composite nanofibers showed higher DC electrical conductivity than Pani,which might be due to the increased mobility of the charge carriers after the incorporation of V2O5. V2O5@Pani also showed a better ammonia sensing and recovery response than Pani due to thesynergistic effect of V2O5 and Pani.
Mudassir Hasan,모드안사리,조무환,이문용 대한금속·재료학회 2015 ELECTRONIC MATERIALS LETTERS Vol.11 No.1
This paper reports the synthesis of HCl-doped Au@polyaniline(Pani) nanocomposite fibers by the in situ oxidative polymerizationof aniline in the presence of gold nanoparticles. Thusprepared nanocomposite fibers were characterized by SEM,TEM, XRD, Raman spectroscopy, XPS, UV-visible diffusedreflectance spectroscopy, TGA, and DSC. The Au@Paninanocomposite fibers showed superior DC electrical conductivityto HCl-doped Pani, which might be due to the increasedmobility of the charge carriers after the incorporation of goldnanoparticle in Pani. Au@Pani also exhibited a better ammoniasensing and recovery response than Pani, which might bedue to the increase in the surface area of Pani after the incorporationof gold nanoparticles.
Hasan, Mudassir,Hossain, Muhammad Mohsin,Lee, Moonyong Elsevier 2015 Journal of industrial and engineering chemistry Vol.32 No.-
<P><B>Abstract</B></P> <P>This paper reports the synthesis of camphor sulfonic acid (CSA) doped PANI/GN composite nanofibers by the <I>in situ</I> chemical oxidative polymerization of aniline in the presence of cationic surfactant cetyl tri methyl ammonium bromide (CTAB). The as-synthesized composite nanofibers were examined by scanning electron microscopy, transmission electron microscopy, X-ray diffraction, Raman spectroscopy, UV–vis diffused reflectance spectroscopy, and thermogravimetric analysis. The CSA-doped PANI/GN composite nanofibers showed higher DC electrical conductivity than PANI, which was attributed to the enhanced mobility of the charge carriers after the incorporation of GN into the PANI/GN composite nanofibers. The PANI/GN composite nanofibers also showed improved DC electrical conductivity retention at 413K, which might be due to the synergistic effects of GN and PANI in the composite structure.</P> <P><B>Highlights</B></P> <P> <UL> <LI> CSA doped PANI/GN composite nanofibers has been prepared under CTAB. </LI> <LI> Electrical conductivity retention was found to be more in case of PANI/GN compared to PANI. </LI> <LI> Conductivity was improved in case of PANI/GN composite nanofibers. </LI> </UL> </P>