By Steven X. Ding
Data-driven layout of Fault analysis and Fault-tolerant regulate structures provides uncomplicated statistical method tracking, fault analysis, and keep an eye on equipment and introduces complex data-driven schemes for the layout of fault prognosis and fault-tolerant keep an eye on platforms catering to the desires of dynamic business strategies. With ever expanding calls for for reliability, availability and protection in technical strategies and resources, technique tracking and fault-tolerance became very important concerns surrounding the layout of computerized regulate platforms. this article exhibits the reader how, because of the fast improvement of data know-how, key concepts of data-driven and statistical strategy tracking and keep an eye on can now develop into wide-spread in business perform to deal with those concerns. to permit for self-contained research and facilitate implementation in genuine purposes, very important mathematical and regulate theoretical wisdom and instruments are integrated during this e-book. significant schemes are provided in set of rules shape and validated on business case structures. Data-driven layout of Fault analysis and Fault-tolerant keep watch over platforms should be of curiosity to method and regulate engineers, engineering scholars and researchers with a keep an eye on engineering background.
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Extra resources for Data-driven Design of Fault Diagnosis and Fault-tolerant Control Systems
114 kgh−1 kgh−1 kscmh kscmh % % m3 h−1 m3 h−1 % m3 h−1 m3 h−1 a total of 8 components denoted as A, B, C, D, E, F, G and H. 4. The first TEP simulation was programmed in the FORTRAN code. In the past two decades, different program versions have been developed. html and can be downloaded. 5 Descriptions of process faults in TE process Fault number Process variable Type IDV(1) IDV(2) IDV(3) IDV(4) IDV(5) IDV(6) IDV(7) IDV(8) IDV(9) IDV(10) IDV(11) IDV(12) IDV(13) IDV(14) IDV(15) IDV(16) IDV(17) IDV(18) IDV(19) IDV(20) IDV(21) A/C feed ratio, B composition constant B composition, A/C ration constant D feed temperature Reactor cooling water inlet temperature Condenser cooling water inlet temperature A feed loss C header pressure loss-reduced availability A, B, C feed composition D feed temperature C feed temperature Reactor cooling water inlet temperature Condenser cooling water inlet temperature Reaction kinetics Reactor cooling water valve Condenser cooling water valve Unknown Unknown Unknown Unknown Unknown The valve fixed at steady state position Step Step Step Step Step Step Step Random variation Random variation Random variation Random variation Random variation Slow Drift Sticking Sticking Unknown Unknown Unknown Unknown Unknown Constant position the faults.
2 Technical data of CSTH Symbol Description Unit VT HT Th j V˙in , V˙out H˙ h j T H˙ in , H˙ out Water volume in the tank Enthalpy in the tank Temperature in the heating jacket Water flows in and out of the tank Enthalpy flow from the jacket to the tank Enthalpy flows from in- and out-flowing water Water mass in the heating jacket Electrical heater power Water level in the tank Water temperature in the tank Water mass in the tank Mass flows in and out of the tank Temperature of the in- and out-flowing water The base area of the tank Heat capacity of water L J ◦C l/s J/s J/s kg W = J/s m ◦C kg kg/s ◦C m2 J/kg ◦ C mh j Ph hT TT mT m˙ in , m˙ out Tin , Tout Ae f f cp the heat exchanger, the system dynamics can be represented by the tank volume VT , the enthalpy in the tank HT and the water temperature in the heating jacket Th j and modeled by ⎤ ⎡ ⎤ V˙in − V˙out V˙T ⎣ H˙ T ⎦ = ⎣ H˙ h j T + H˙ in − H˙ out ⎦ .
Fault detection results using liquid level measurements and control inputs Assume a leak fault occurs at t = 1200 s in Tank 1 with θ A1 = 5 %. 1 gives a result of the process measurements. Using the offline training results given in Sect. 2, Figs. 4 demonstrate the corresponding threshold and online test statistic, respectively. Fault detection results using only liquid level measurements Assume a sensor fault with an offset of 5 cm occurs at t = 1200 s in Tank 3. 5 gives the result of the liquid levels.
Data-driven Design of Fault Diagnosis and Fault-tolerant Control Systems by Steven X. Ding