REAL-TIME SYSTEMS DESIGN AND ANALYSIS phần 5 doc
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...
REAL-TIME SYSTEMS DESIGN AND ANALYSIS phần 3 docx
... 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] ....
REAL-TIME SYSTEMS DESIGN AND ANALYSIS phần 6 docx
... 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...
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...
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...
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...
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....
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...
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...
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...