Sökning: "Closed loop systems"

Visar resultat 11 - 15 av 190 avhandlingar innehållade orden Closed loop systems.

1. 11. Closed Force Loop Evaluation of Machining Systems

   Författare :Theodoros Laspas; Andreas Archenti; René Mayer; KTH; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; machine tool loaded test; stiffness measurement; static accuracy; machine tool stiffness; Production Engineering; Industriell produktion;

   Sammanfattning : Machine tools accuracy has been a cornerstone in defining machining system capability and directly affecting dimensional and geometrical tolerance of machined parts. The effort for achieving higher precision and accuracy can be distinguished in two general ideas. LÄS MER

3. 12. Circular Manufacturing Systems : A development framework with analysis methods and tools for implementation

   Författare :Farazee M A Asif; Amir Rashid; Peter Hopkinson; KTH; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Circular economy; circular manufacturing systems; resource conservative manufacturing; ResCoM; system dynamics; Production Engineering; Industriell produktion;

   Sammanfattning : The society today lives on the philosophy of ‘take-make-use-dispose.’ In the long run, this is not sustainable as the natural resources and the waste carrying capacity of the earth are limited. Therefore, it is essential to reduce dependency on the natural resources by decoupling the growth from the consumption. LÄS MER

4. 13. On Identification of Biological Systems

   Författare :Egi Hidayat; Alexander Medvedev; Peter Stoica; Elling Jacobsen; Uppsala universitet; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; system identification; biomedical systems; insect vision; endocrine systems; orthogonal basis functions; time delay; impulse response; Laguerre functions; Laguerre polynomials; excitation design; Elektroteknik med inriktning mot reglerteknik; Electrical Engineering with specialization in Automatic Control;

   Sammanfattning : System identification finds nowadays application in various areas of biological research as a tool of empiric mathematical modeling and model individualization. A fundamental challenge of system identification in biology awaits in the form of response variability. LÄS MER

5. 14. Symbolic Supervisory Control of Resource Allocation Systems

   Författare :Zhennan Fei; Chalmers tekniska högskola; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Resource Allocation System; Binary Decision Diagram.; Discrete Event System; Supervisory Control Theory;

   Sammanfattning : Supervisory control theory (SCT) is a formal model-based methodology for verification and synthesis of supervisors for discrete event systems (DES). The main goal is to guarantee that the closed-loop system fulfills given specifications. SCT has great promise to assist engineers with the generation of reliable control functions. LÄS MER

7. 15. Development and Verification of Dependable Software of Cyber-Physical Systems using Time-aware Computations

   Författare :Dmitrii Drozdov; Valeriy Vyatkin; Sandeep Patil; Andrei Lobov; Luleå tekniska universitet; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Abstract state machines; CPS; formal semantics; formal verification; IEC 61499; time-aware computations; Dependable Communication and Computation Systems; Kommunikations- och beräkningssystem;

   Sammanfattning : Wired and wireless networking is becoming a necessary part of industrial control systems’ design and is one of the reasons that required a new cyber-physical approach to modelling. The phenomenon observed in cyber-physical systems (CPS) is a variety of cross-dependencies and influences between physical processes, computational devices and communications, which needs to be taken into account at the design and verification stage. LÄS MER