REAL-TIME SYSTEMS DESIGN AND ANALYSIS phần 1 potx

... Optimization 3 51 7 .1 Theoretical Preliminaries / 3 51 7 .1. 1 NP-Completeness / 3 51 7 .1. 2 Challenges in Analyzing Real-Time Systems / 352 7 .1. 3 The Halting Problem / 353 7 .1. 4 Amdahl’s Law / 355 7 .1. 5 Gustafson’s ... be scheduled. 20 1 BASIC REAL-TIME CONCEPTS Table 1. 5 Landmarks in real-time systems history (continued) Year Landmark Developer Development Innovati...

Ngày tải lên: 13/08/2014, 08:20

... Log 3.3 .1. 1, Table 14 (13 ) 3.3 .1. 4, Figur e 13 Set Phase 3.3 .1. 1, Table 14 (14 ) 3.3 .1. 4, Figur e 13 Get Phase 3.3 .1. 1, Table 14 (15 ) 3.3 .1. 4, Figur e 13 Check Phase 3.3 .1. 1, Table 14 (16 ) 3.3.4.4, ... Section Demonstrating Compliance Comments 3.3 .1. 1, Table 14 (1) 3.3 .1. 4, Figure 13 Initialization 3.3 .1. 1, Table 14 (2) 3.3 .1. 4, Figure 13 Set Default Phase...

Ngày tải lên: 13/08/2014, 08:20

... regions, 10 4 10 5, 11 4, 11 8 kernels, functions in, 73 mailboxes, 10 2 10 4 queues, 10 4 ring buffers, 10 1 10 2, 10 4, 12 6 semaphores, 73, 10 5 11 1, 11 9, 12 0 12 1, 14 3 14 5 significance of, 98 –99, 13 5 statecharts, ... timers, 14 9 15 3 condition variables, 14 2 14 3 memory locking, 15 4 15 6 messages, 14 5 14 8 mutex variables, 14 2 14 3 naming scheme, 14 1 real-t...

Ngày tải lên: 13/08/2014, 08:20

... fetch and execute sequence. Interrupt Signal 1 Interrupt Signal n . . . 1. 3. 2. 1 1 i n Interrupt-Handler Locations i n Interrupt-Return Locations Program Counter Figure 2 .16 The interrupt-handling ... 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....

Ngày tải lên: 13/08/2014, 08:20

... lowest priority. 96 3 REAL-TIME OPERATING SYSTEMS Now lim n→∞ n(2 n 1 − 1) = lim n→∞ (2 n 1 − 1) n 1 And, by L’H ˆ opital’s rule lim n→∞ (2 n 1 − 1) n 1 = lim n→∞ ln 2(2 n 1 )(−n −2 ) −n −2 = ... inductive argument [Shaw 01] . Basis Step Consider two fixed but non-RM priority tasks τ 1 = (e 1 ,p 1 ,d 1 ) and τ 2 = (e 2 ,p 2 ,d 2 ) where τ 2 has the highest prior...

Ngày tải lên: 13/08/2014, 08:20

... mechanism 1 0.5 1 0.5 1 1 m 6 Software support (warranty) 1 0.5 0.5 1 0.8 1 m 7 Software support (compiler) 1 1 0.75 1 1 0.5 m 8 Hardware compatibility 0 .1 0.8 0.5 0.2 1 0.2 m 9 Royalty free 0 1 1 1 1 m 10 Source ... free 0 1 1 1 1 m 10 Source available 1 1 1 0 0.4 1 m 11 Context switch time 1 0.5 0.5 0.5 1 0.5 m 12 Cost 0.4 0.5 0.5 0 .1 0 .1 0....

Ngày tải lên: 13/08/2014, 08:20

... Circuit Breaker 1 1.2 Input Transformer 1 1.3 Input Power Supply with UPS 1 1.4 Intersection Controller 1 1.5 Lamp Driver 20 1. 6 Lamp Current Sensor 40 1. 7 Green Signal Safety Relay 1 1.8 Manual Override ... Network 1 1 .12 RJ-45 Ethernet Connector – Maintenance 1 1 .13 Enclosure Wiring A/R 2 Vehicle Traffic Standard – Suspended 4 3 Vehicle Traffic Standard – Pole Mounted 4 4...

Ngày tải lên: 13/08/2014, 08:20

... VehicleTrafficStandard [1] 1. 1.3. m IntersectionController::m Approach[0]::m VehicleTrafficStandard[0] 1. 1.4. m IntersectionController::m Approach[0]::m PedestrianTrafficStandard [1] 1. 1.5. m IntersectionController::m ... IntersectionController::m Approach [1] 1. 2 .1. m IntersectionController::m Approach [1] ::m VehicleTrafficStandard[0] 1. 2.2. m IntersectionController::m Approach [1] :...

Ngày tải lên: 13/08/2014, 08:20

... execution trace looks like: 246 810 1 214 1 618 2022 Time in microseconds 24 26 F12 D12 E12 F 11 D 11 F10 D10 E10 (flush) F9 D9 E9 F5 D5 F4 D4 E4 (Flush) F3 D3 E3 F2 D2 E2 F1 D1 E1 This represents a total ... 10 ,000(3/4)  1 0 tdt+  1. 6 1 dt − 10 ,000(5/4)  1. 6 1 tdt = 10 ,000(3/8)t 2    1 0 + 10 ,000(2)t    1. 6 1 − 10 ,000(5/8)t 2    1. 6 1 = 10 ,000(3/...

Ngày tải lên: 13/08/2014, 08:20

... routine in question. Routines 3 The sequences of bit patterns: 000000 01, 00000 010 , 0000 010 0, and 11 111 110 , 11 111 1 01, 11 111 100, 8.4 SYSTEMS INTEGRATION 427 Display Memory Bus Buffers Control Clock Logic SUT Figure ... CCITT generator polynomial is X 16 + X 12 + X 5 + 1 (8 .11 ) whereas the CRC -16 generator polynomial is X 16 + X 15 + X 2 + 1 (8 .12 ) A CRC can...

Ngày tải lên: 13/08/2014, 08:20