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AŽD Praha s.r.o. CRV&AVV ATO system used on vehicles of Czech Railways Dr.Ing. Ivo Myslivec AŽD Praha, Plant Technics, R&D WG1.

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Presentation on theme: "AŽD Praha s.r.o. CRV&AVV ATO system used on vehicles of Czech Railways Dr.Ing. Ivo Myslivec AŽD Praha, Plant Technics, R&D WG1."— Presentation transcript:

1 AŽD Praha s.r.o. CRV&AVV ATO system used on vehicles of Czech Railways Dr.Ing. Ivo Myslivec AŽD Praha, Plant Technics, R&D WG1

2 ATO AVV presentation 09/20092 ATO today New class 471 EMUs were designed with ASR+ATB+ESD implemented as a inherent part of control system (Please wait for animated clip)

3 ATO AVV presentation 09/20093 ATO today New class 471 EMUs were designed with ASR+ATB+ESD implemented as a inherent part of control system How does ATO work…?

4 ATO AVV presentation 09/20094 ATO today New class 471 EMUs were designed with ASR+ATB+ESD implemented as a inherent part of control system How does ATO work…? What does it need…?

5 ATO AVV presentation 09/20095 ATO today After switching ATO on, following train data must be entered: (Please wait for animated clip)

6 ATO AVV presentation 09/20096 ATO today After switching ATO on, following train data must be entered : Train number

7 ATO AVV presentation 09/20097 ATO today After switching ATO on, following train data must be entered : Train number Braking ratio

8 ATO AVV presentation 09/20098 ATO today After switching ATO on, following train data must be entered : Train number Braking ratio Train length

9 ATO AVV presentation 09/20099 ATO today After switching ATO on, following train data must be entered: Train number Braking ratio Train length Initial speed

10 ATO AVV presentation 09/ ATO today After switching ATO on, following train data must be entered: Train number Braking ratio Train length Initial speed ATO now needs to orientate on the line

11 ATO AVV presentation 09/ ATO today For ATO positioning, magnetic balises type MIB-6 are used on SŽDC network: In future, ETCS balises will be used instead

12 ATO AVV presentation 09/ ATO today All necessary static informations are stored in Route Map: Track speed limits

13 ATO AVV presentation 09/ ATO today All necessary static informations are stored in route map: Track speed limits Signal positions Photo © Jan Mitlöhner

14 ATO AVV presentation 09/ ATO today All necessary static informations are stored in route map: Track speed limits Signal positions Platforms

15 ATO AVV presentation 09/ ATO today All necessary static informations are stored in route map: Track speed limits Signal positions Platforms Gradients Photo © Julius Janeba

16 ATO AVV presentation 09/ Target braking What is driving with ATO like…? (Please wait for animated clip)

17 ATO AVV presentation 09/ Target braking After closing the door driver pushes the Master Controller ahead…

18 ATO AVV presentation 09/ Target braking …and holds it until the speed reaches 3 km/h.

19 ATO AVV presentation 09/ Target braking Train driving is now controlled fully automatically.

20 ATO AVV presentation 09/ Target braking Driver may check the ATO activity on the display (details see later).

21 ATO AVV presentation 09/ Target braking Two horizontal bars above indicate required and real speed.

22 ATO AVV presentation 09/ Target braking Below them, the area for target parameters is reserved.

23 ATO AVV presentation 09/ Target braking We can see, that the braking curve to platform will appear.

24 ATO AVV presentation 09/ Target braking This bar-like arrangement makes the comparison...

25 ATO AVV presentation 09/ Target braking …between braking curves and real speed very easy.

26 ATO AVV presentation 09/ Target braking Aside this area, the expected signal aspect is displayed.

27 ATO AVV presentation 09/ Target braking On track with line transmission, it is derived from received ATP code.

28 ATO AVV presentation 09/ Target braking Where is no line transmission, signal aspects are entered…

29 ATO AVV presentation 09/ Target braking …using the keyboard below…

30 ATO AVV presentation 09/ Target braking …which is used also for setting of required speed.

31 ATO AVV presentation 09/ Target braking The vertical bar on right side indicates Proportional Traction.

32 ATO AVV presentation 09/ Target braking As the real speed becomes equal the required one…

33 ATO AVV presentation 09/ Target braking …the Proportional Traction decreases to maintain the speed.

34 ATO AVV presentation 09/ Target braking Train is approaching the platform and the target braking begins.

35 ATO AVV presentation 09/ Target braking The required speed starts to decrease…

36 ATO AVV presentation 09/ Target braking …and the Proportional Traction grows to negative values.

37 ATO AVV presentation 09/ Target braking Concurrently, the pneumatic brake of trailer coaches is used…

38 ATO AVV presentation 09/ Target braking …because the dynamic brake alone is not capable to reach…

39 ATO AVV presentation 09/ Target braking …the required braking deceleration, which is 0.8 m/s 2.

40 ATO AVV presentation 09/ Target braking Behind the window, we may already see the platform lamps…

41 ATO AVV presentation 09/ Target braking …waiting passengers…

42 ATO AVV presentation 09/ Target braking …and the End-of-platform board, which is the target now.

43 ATO AVV presentation 09/ ATO today And now: how does the Energy Saving Device work…?

44 ATO AVV presentation 09/ Energy saving Drive with us from Český Brod to Klučov. Our train departs just in time. (Please wait for animated clip)

45 ATO AVV presentation 09/ Energy saving After departure, arrival time and name of next stop appears on display.

46 ATO AVV presentation 09/ Energy saving As it is autumn morning and rails may be wet…

47 ATO AVV presentation 09/ Energy saving …driver uses ATO´s feature for limiting of Proportional Traction (to 80%).

48 ATO AVV presentation 09/ Energy saving Triangle markers below V-real indicate the speed to reach the platform in time.

49 ATO AVV presentation 09/ Energy saving When real speed approaches the optimal one, coasting will be set automatically.

50 ATO AVV presentation 09/ Energy saving The real speed is now 95 km/h, which accords to kinetic energy of 30 kWh.

51 ATO AVV presentation 09/ Energy saving Without ESD, the train would accelerate to 120 km/h, which accords to 47 kWh.

52 ATO AVV presentation 09/ Energy saving Thus, 17 kWh has been saved, which means approximately 37% saving.

53 ATO AVV presentation 09/ Energy saving Meanwhile, see the parameters of three concurrent target braking processes:

54 ATO AVV presentation 09/ Energy saving to track speed restriction from 130 to 120 km/h,

55 ATO AVV presentation 09/ Energy saving to 3rd signal at STOP (expected signal sequence is Free –> Warning –> Stop),

56 ATO AVV presentation 09/ Energy saving and to platform in Klučov.

57 ATO AVV presentation 09/ Energy saving The train is still coasting without any traction power consumption.

58 ATO AVV presentation 09/ Energy saving The regenerative braking may return part of kinetic energy back to catenary…

59 ATO AVV presentation 09/ Energy saving …but on DC it crucially depends on other consumption in the area of substation.

60 ATO AVV presentation 09/ Energy saving If there is none, the rheostatic braking is used instead of regenerative.

61 ATO AVV presentation 09/ Energy saving Saying part of energy we mean not only the efficiency of regeneration…

62 ATO AVV presentation 09/ Energy saving …but also the fact that both electric and pneumatic brakes are applied.

63 ATO AVV presentation 09/ Energy saving Due to limited power of electric brake, the regenerable part depends on speed:

64 ATO AVV presentation 09/ Energy saving the greater is the initial speed, the less is the regenerable part.

65 ATO AVV presentation 09/ Energy saving That´s why this driving strategy is the best, independent of use of regeneration.

66 ATO AVV presentation 09/ Energy saving The train will stop now. Observe the arrival time, which should be 06:54:00…

67 ATO AVV presentation 09/ Energy saving Just in time…

68 ATO AVV presentation 09/ ATO average results We have seen only single stop-to-stop trip

69 ATO AVV presentation 09/ ATO average results We have seen only single stop-to-stop trip What are the average results along the whole line?

70 ATO AVV presentation 09/ ATO average results We have seen only single stop-to-stop trip What are the average results along the whole line? Relative running time Relative power consumption Shortest running time (100%; 100%)

71 ATO AVV presentation 09/ ATO average results And what is the comparison between computer and human driver...?

72 ATO AVV presentation 09/ ATO average results Whole mission delayed Whole mission on time

73 ATO AVV presentation 09/ ATO as executive system Why did not we design ATO as an advisory system? Driver need not pay any attention to follow any ATO´s instructions Braking process is easily predictable, as the executive system performs it by itself Thus, time accuracy is better, making the ATO more credible for driver

74 ATO AVV presentation 09/ ATO in numbers In these days there are in regular operation with ASR+ATB+ESD: 50 double-decker suburban EMUs class 471 (next 10 in manufacturing) 250 km of equipped track 80 km of track should be newly equipped in year subway trains type 81-71M with derived ATO (Prague, line A, 12 km)

75 ATO AVV presentation 09/ Project 380

76 ATO AVV presentation 09/ Project 380

77 ATO AVV presentation 09/ The end Thank You for Your attention.


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