REAL-TIME SYSTEMS DESIGN AND ANALYSIS phần 5 doc
... outstanding commercial software. Real-time engineers know that their systems are frequently subject to changes in hardware, algorithms, and even application. Therefore these systems must be designed ... Raton, FL, 2003. Real-Time Systems Design and Analysis, By Phillip A. Laplante ISBN 0-471-22 855 -9 2004 Institute of Electrical and Electronics Engineers 2 25 4.10 APPEN...
Ngày tải lên: 13/08/2014, 08:20
... THEORETICAL FOUNDATIONS OF REAL-TIME OPERATING SYSTEMS 95 Table 3.2 Sample task set for utilization calculation τ i e i p i u i = e i /p i τ 1 1 4 0. 25 τ 2 2 5 0.4 τ 3 5 20 0. 25 0 4 8 12 16 20 t 1 t 2 t 3 Figure ... is started. 4 P and V are the first letters of the Dutch “to test” – proberen – and “to increment” – verhogen. They were first suggested by Dijkstra [Dijkstra 65] ....
Ngày tải lên: 13/08/2014, 08:20
... instant in time. This functionality can be described by the pseudocode shown in Figure 5. 15. The pseudocode shown in Figures 5. 15 and 5. 16 can be coded easily in any procedural language, or even ... through Figure 9. 264 5 SOFTWARE SYSTEM DESIGN Same messages as between m_VehicleTrafficStandard[0] and m_Approach[0]. Same messages as between m_PedestrianTrafficStandard[0] and...
Ngày tải lên: 13/08/2014, 08:20
REAL-TIME SYSTEMS DESIGN AND ANALYSIS phần 8 doc
... [Kleinrock 75] . Applying Erlang’s Formula to the previous example gives m = 4,λ = 380, and µ = 16 .5; then p = (380/16 .5) 4 /4! 1 + (380/16 .5) + (380/16 .5) 2 /2 + (380/16 .5) 3 /3! +(380/16 .5) 4 /4! = ... easier to read and understand and likely more reusable and maintainable. There are many different standards for coding that are language independent, or language specific. Co...
Ngày tải lên: 13/08/2014, 08:20
REAL-TIME SYSTEMS DESIGN AND ANALYSIS phần 9 doc
... Press, Boca Raton, FL, 2001. Real-Time Systems Design and Analysis, By Phillip A. Laplante ISBN 0-471-22 855 -9 2004 Institute of Electrical and Electronics Engineers 4 45 420 8 ENGINEERING CONSIDERATIONS The ... STD 155 3 standard bus; therefore, assign a 5. ” Question 3 Are there distributed processing functions? “Yes, assign a 5. ” Question 4 Is performance critical? “Absol...
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Cryptographic Security Architecture: Design and Verification phần 5 doc
... Paradigms Workshop, ACM, 1993, p. 155 . [21] “An Access Control Language for Object-Oriented Programming Systems , Masaaki Mizuno and Arthur Oldehoeft, The Journal of Systems and Software, Vol.13, No.1 (September ... engineering) and plagued by notation that is cumbersome and hard to read and understand, with substantial effort being required to present the ideas in a manner...
Ngày tải lên: 07/08/2014, 17:20
Financial management and analysis phần 5 docx
... 2000 2001 $ 250 ,000 $238,0 95 $ 250 ,000 $227,273 2002 250 ,000 226, 757 250 ,000 206,612 2003 250 ,000 2 15, 959 250 ,000 187,829 2004 250 ,000 2 05, 676 250 ,000 170, 753 20 05 250 ,000 1 95, 882 250 ,000 155 ,230 Investment ... MIRR IRR NPV A 19 .55 % 28. 65% $51 6,3 15 B 20.12% 22.79% $55 2,619 4 The terminal values for C and D are $1,831 ,53 0 and $11 ,53 1 ,53 0, respectively....
Ngày tải lên: 09/08/2014, 16:21
REAL-TIME SYSTEMS DESIGN AND ANALYSIS phần 1 potx
... Change / 234 5. 2 .5 Generality / 2 35 5.2.6 Incrementality / 2 35 5.2.7 Traceability / 2 35 5.3 The Design Activity / 236 5. 4 Procedural-Oriented Design / 237 5. 4.1 Parnas Partitioning / 238 5. 4.2 Structured ... Structured Design / 239 5. 4.3 Design in Procedural Form Using Finite State Machines / 246 5. 5 Object-Oriented Design / 247 5. 5.1 Benefits of Object Orientat...
Ngày tải lên: 13/08/2014, 08:20
REAL-TIME SYSTEMS DESIGN AND ANALYSIS phần 2 pptx
... applications, including image processing, avionics systems, and medical systems, and the real-time design issues are the same for them as they are for most other systems. 44 2 HARDWARE CONSIDERATIONS FFFFFFFF FFFFFF00 FFFFFE00 FFC00000 DMA Memory-mapped ... Applications DRAM 50 –100 ns 64 Mbytes Main memory SRAM 10 ns 1 Mbyte µmemory, cache, fast RAM UVROM 50 ns 32 Mbytes Code...
Ngày tải lên: 13/08/2014, 08:20
real time systems design and analysis phần 4 ppt
... interrupt latency 1 0 .5 0.8 1 0 .5 1 m 2 Number of tasks supported 0.1 0 .5 0 .5 0 .5 1 1 m 3 Memory requirements 1 0.7 0.2 0 .5 1 0.9 m 4 Scheduling mechanism 0 .5 0. 25 0 .5 0. 25 1 0. 25 m 5 Intertask synchronization ... 1 0 .5 0 .5 0 .5 1 0 .5 m 12 Cost 0.4 0 .5 0 .5 0.1 0.1 0.7 m 13 Supported network protocols 0 .5 1 1 1 1 0.6 M 5. 66 5. 80 5. 24 6.94 6.73 Here th...
Ngày tải lên: 13/08/2014, 08:20