dynamic scheduling and real time assignment

Ngày tải lên: 14/11/2014, 12:51

... period, the deadline, and the task execution time 18 Chapter Related Works Real- time scheduling has evolved from static to dynamic and adaptive Early research works on real- time scheduling aimed to ... schedulable with RM scheduling algorithm, and all tasks will meet their deadlines (Liu and Layland, 1973) In Equation (2.10), n is the number of tasks and ei and Ti are the task execution time and task ... Scheduling algorithm Real- time scheduling algorithms can be grouped into two categories: static cyclic executive scheduling and priority-based dynamic scheduling Static cyclic executive scheduling is...

Ngày tải lên: 04/10/2015, 17:06

... analysis of audio and video and arbitrary view and sound synthesis to encoding of 3D audio and video Understanding of real- time implementation issues, as well as system architectures and network aspects ... 11 Coding and Standardization by A Smolic and T Sikora outlines the basic coding strategies frequently used for audio, image and video storage and transmission International coding standards such ... the internet via a camera and where remote users could control a robotic arm to plant and water seeds, and subsequently watch their plants grow and flourish in real- time 1.6 TELECOMMUNICATIONS...

Ngày tải lên: 12/05/2013, 10:21

... oversized and exact-sized cartilage plugs in osteochondral grafting using osmotic loading and real- time ultrasound The main findings of the study are that osmotic loading and real- time ultrasound ... loading and real- time ultrasound and to demonstrate the accuracy of ultrasound in identifying the cartilage damage after osteochondral graft procedures To this end, we evaluated oversized and exact-sized ... and real- time ultrasound Under osmotic loading, the changes in the amplitude and echo shifts can support the evaluation of cartilage damage in osteochondral grafts Moreover, osmotic loading and...

Ngày tải lên: 09/08/2014, 14:22

... transplantation by real- time PCR of Page of which two were positive by pp65 antigenemia assay and 12 were negative by both real- time PCR and pp65 antigenemia assay One donor was positive only by realtime PCR ... antigenemia and real - time PCR The highest copy number detected by real - time PCR was 29, 768 copies/ml and lowest was copies/ml The highest positive pp65 cell count recorded among them was 78 cells and ... (chi-square test p = 0.037%) Correlation between pp65 and real time PCR results Among the 76 kidney donors 58 (73.68%) were positive for real time PCR and of the 56, 39 (51.0%) were positive for pp65...

Ngày tải lên: 12/08/2014, 02:20

... (miR159a and miR159b) have been sequenced more than 5,000 times in mature pollen Since the expression of these two miRNAs was not detected by either real- time PCR or regular RT-PCR (Table and Figure ... μl of each primers (900 nM), μl Taqman probe (250 nM), and 1.5 μl cDNA sample All real- time PCR reactions were performed in a StepOne real- time PCR machine (Applied Biosystems, Foster City, CA) ... Arabidopsis mature pollen using miRNA array and real- time PCR techniques Our results indicated that ~60% of known Arabidopsis miRNAs are expressed in mature pollen, and most of them are present at lower...

Ngày tải lên: 12/08/2014, 03:20

... assays, RNA extraction and realtime PCR analysis NJ drafted and wrote the manuscript MG developed the protocol for the binding assay, radiolabeled and purified the clinical isolate and performed the ... Coxsackie B viruses and adenoviruses and Science 1997, 275:1320-1323 Tomko RP, Xu R, Philipson L: HCAR and MCAR: the human and mouse cellular receptors for subgroup C adenoviruses and group B coxsackieviruses ... single-tube real- time reverse transcription-PCR assay J Clin Microbiol 2001, 39:4093-4096 Mohamed N, Elfaitouri A, Fohlman J, Friman G, Blomberg J: A sensitive and quantitative single-tube real- time...

Ngày tải lên: 12/08/2014, 04:21

... analyzed, and utilized to model specific medical procedures Figure 1.5 shows examples of a volume-rendered and a surface-rendered torso of a patient Producing realistic data models and providing real- time ... Kenneth Barner and Dr Karl Steiner; my committee members, Dr Charles Boncelet, and Dr Chandra Kambhamettu; Dr Javier Garcia-Frias and Dr Gonzalo R Arce for invaluable discussions; and Dr Denny ... the proposed model can simulate elastic deformations of soft 10 organs and tissues with both high visual realism and real- time performance utilizing tetrahedral meshes of varied resolutions In...

Ngày tải lên: 13/11/2014, 16:25

... monitoring requires in-line sensors and real- time algorithms to facilitate real- time analysis of sensor signals [14] Therefore, in order to implement real- time CD monitoring and control effectively, we ... measured and reference spectrums is proposed for real- time monitoring and control Result shows CD non-uniformity can be significantly reduced to less than 10nm With this system, real- time monitoring and ... equipment and each step has the possibility to induce some kind of error or defect and therefore stringent process monitoring and control along the line is required for real- time fault detection and...

Ngày tải lên: 09/09/2015, 18:50

... is an important and nontrivial task There are two time semantics in the definition of real- time systems Discrete -time semantics [11] requires that all time readings are integers and all clocks ... of concurrent and real- time systems In particular, we have tried to address four issues related to model checking: (i) proposing a formal language to model concurrent and real- time systems, (ii) ... real- time systems is based on the notation Timed Automata [10, 149] Timed Automata are powerful in designing real- time models with explicit clock variables Real- time constraints are captured by explicitly...

Ngày tải lên: 14/09/2015, 08:38

... Maximizing visual effect is a major problem in real- time animation One work was proposed on real- time hair animation based on 2D representation and texture mapping [Koh00, Koh01] Due to its 2D ... these techniques are not suitable for real- time hair animation Recently, Koh and Huang [Koh00, Koh01] proposed a strip based approach that animates in real- time But because of the 2D strip used, ... techniques and 3D textures [Neyr98, Kong99] and the lately proposal of modeling dense dynamic hair as continuum by using a fluid model for lateral hair movement [Hada01] However, they are not real- time...

Ngày tải lên: 28/09/2015, 13:21

... What Is Real- time? Real- time is harder to explain The basic idea behind real- time is that we expect the computer to respond to its environment in time Many people assume that real- time means real ... ix Audience and Prerequisites x Personal Biases xi Chapter 1: The Embedded and Real- time Space What Is Embedded? What Is Real- time? How and Why Does ... been written about Linux in embedded or real- time environments Linux Installation and Getting Started, Matt Welsh, et al ix Linux for Embedded and Real- time Applications I decided to climb the...

Ngày tải lên: 08/03/2016, 09:24

... used in real- time scheduling Basic Concepts 1.1 1.1.1 Real- Time Applications Real- time applications issues In real- time applications, the timing requirements are the main constraints and their ... the real- time application domain and real- time scheduling, expresses their differences with conventional systems (non -real- time systems) and their scheduling, and introduces the basic terminology ... distributed real- time systems 6.2 Task allocation in real- time distributed systems 6.3 Real- time traffic 6.3.1 6.3.2 Real- time traffic types End-to-end communication delay 6.4 Message scheduling...

Ngày tải lên: 08/03/2016, 10:36

... look first at real- time issues, then some specific embedded issues, and finally, at trends and issues that commonly apply to both realtime and embedded systems Real- Time Systems A real- time system ... environment Real- Time Embedded System (state) Figure 2.1 A real- time system reacts to inputs from the environment and produces outputs that affect the environment Hard Real- Time and Soft Real- Time Systems ... real- time portion of the scheduling optimization rules and the offline scheduling performance evaluation and analysis Types of real- time systems—reactive and embedded There are two types of real- time...

Ngày tải lên: 22/09/2016, 10:03

... SIFT and SURF need heavy computation, and they output many wrong corners (refer to Figures 3(d) and 3(e)) They are not suitable for real- time target detection algorithms (ii) The processing time ... (c, r) j and it is removed from P h , added to Hi (c, r), and set c = ph and Mi = 1, where Mi is the number of the j specular highlight points in Hi (c, r), and both i and j begin from 0, and Hi ... motion are Bruhn et al and Black and Anandan In our algorithm, we employed Bouguet’s method for optical flow detection Figures 6(a) and 6(b) show two input images, I t and I t The frame interval,...

Ngày tải lên: 21/06/2014, 16:20

... involved in the research and education on broadband mobile and wireless communication networks and on multimedia over IP Her main research interests related to mobile and wireless communication ... transmitting and for how long) This optimal timeslot, however, varies with the current data requirements, distance and Cim of each MU Indeed, the distance and traffic requirements vary and cannot ... for a lower load Energy-Efficient Real- time Packet Scheduling The proposed scheme however adapts and exploits the possibilities to save energy for each distance and load optimally Finally, we investigate...

Ngày tải lên: 23/06/2014, 00:20

... robot control systems and real- time scheduling His main research interests include real- time operating systems, dynamic scheduling algorithms, quality of service control, multimedia systems, advanced ... to sustain real- time communication Combining real- time communication and mobility is analyzed in [7], where mobility awareness and prediction are proposed to perform proactive routing and resource ... aspects related to real- time communication Two fundamental aspects that constrain the real- time behavior are the medium access control (MAC) protocol and the mechanisms to handle dynamic communication...

Ngày tải lên: 23/06/2014, 00:20

... a real- time computing system where the real- time constraint is the brakes release time to prevent the wheel from locking Real- time software may use synchronous programming languages, real- time ... Specification and Verification 95 Specification and Validation of Real- Time Systems Using UML Sequence Diagrams Zbigniew Huzar and Anita Walkowiak 97 Construction of Real- Time Oracle Using Timed Automata ... Partition Scheduling This book stresses architecture, scheduling, specification and verification and real world applications of real- time systems It includes a cross-fertilization of ideas and concepts...

Ngày tải lên: 28/06/2014, 11:20

... of real- time dynamic scheduling algorithms for adaptive applications Dynamic scheduling algorithms differ from their static counterpart in several ways For the static scheduling, task timings and ... priority-based scheduling methods that are widely studied and applied as the mainstream realtime scheduling strategy In [17], optimality and feasibility study of both fixedand dynamic- priority ... offline prior to task execution, and (2) Dynamic Scheduling, in which the task invocation time and execution speed are adjusted at runtime to reclaim any unused slack time and energy for further reduce...

Ngày tải lên: 10/09/2015, 15:52