Real-time monitoring of berthing/deberthing operations process for entering/leaving vessels using VTS system in Busan northern harbor, Korea

Real-time monitoring of berthing/deberthing operations process for entering/leaving vessels using VTS system in Busan

northern harbor, Korea

Dae-Jae L

*

Division of Marine Production System Management, Pukyong National University, Busan 608-737, Korea

The process of berthing/deberthing operations for entering/leaving vessels in Busan northern harbor was analyzed and evaluated by using an integrated VTS(vessel traffic service) system installed in the ship training center of Pukyong National University, Busan, Korea. The integrated VTS system used in this study was consisted of ARPA radar, ECDIS(electronic chart display and information system), backup(recording) system, CCTV(closed-circuit television) camera system, gyro-compass, differential GPS receiver, anemometer, AIS(automatic identification system), VHF(very high frequency) communication system, etc. The network of these systems was designed to communicate with each other automatically and to exchange the critical information about the course, speed, position and intended routes of other traffic vessels in the navigational channel and Busan northern harbor. To evaluate quantitatively the overall dynamic situation such as maneuvering motions for target vessel and its tugboats while in transit to and from the berth structure inside a harbor, all traffic information in Busan northern harbor was automatically acquired, displayed, evaluated and recorded. The results obtained in this study suggest that the real-time tracking information of traffic vessels acquired by using an integrated VTS system can be used as a useful reference data in evaluating and analyzing exactly the dynamic situation such as the collision between ship and berth structure, in the process of berthing/deberthing operations for entering/leaving vessels in the confined waters and harbor.

Key words : Berthing/deberthing operations, VTS system, Busan northern harbor, Real-time tracking

*

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Service(VTS) system for the real-time monitoring of berthing/deberthing operations process to entering/

leaving vessels in Busan northern harbor, Korea. The VTS system used in this study is a fully integrated coastal surveillance system consisting of ARPA radar system, PC-based ECDIS, DGPS receiver, CCTV camera system, Gyrocompass, and AIS system.

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Fig. 2. An example of real-time monitoring of the berthing/deberthing situation for entering/leaving vessels in Busan northern harbor, Korea. The tracked information of AIS targets including two tugboats is displayed on the ENC of a PC-based ECDIS with ARPA radar image and CCTV camera image. This ECDIS information is used to evaluate the change in the movement of all selected vessels.

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Fig. 3. (A) Real-time monitoring of berthing operation process for the entering vessel(MMSI209109000) being approached toward the pier to be berthed along the entering waterway. (B) Running routes of leaving vessel(MMSI440080000) and two tugboats(MMSI 440110920/440103640) in Busan northern harbor, Korea.

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2400 480 960 1440 1920 2400

Ships heading(deg)

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-250 480 960 1440 1920 2400

ROT(deg/min)

Running time(sec)

Fig. 4. Relationship between ship s heading and ROT variations for the entering vessel being approached toward the pier to be berthed along the entering waterway of Busan northern harbor.

Gyro heading GPS heading

Rate of Turn(ROT) (09:08:01) (09:08:01)

(09:23:21) (09:23:21)

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09 24 25 35

06 .434N, 129 03 .681E

docking , 2(MMSI

440110920)

09 25 04 35 06 .454N, 129 03 .570E

docking . , 1

2

Fig. 5. Tracked results of maneuvering motions for a target ship(MMSI 209109000) approaching to the central wharf in order to get alongside to her berth in Busan northern harbour. The maneuvering motions for a tugboat(MMSI 440110920) approaching toward the entering vessel from Jaseongdae container terminal and a tugboat(MMSI 440103640) approaching toward the entering vessel from Gamman citizen wharf were simultaneously tracked, respectively.

14500 13100 11700 10300 8900

75005000 7100 9200 11300 13400 15500

0 480 960 1440 1920 2400 0 480 960 1440 1920 2400

0 480 960 1440 1920 2400

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12

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Diff. of latitude(m) Speed(knot) Speed(knot)

Diff. of longitude(m)

(A) (C)

(B) (D)

Tug 1(440103640) STBY tracking vessel s route Tug 1 route(440103640) Tug 2 route(440110920)

tug STBY Jaseongdae Container Terminal (09:25:04)

(09:24:25) Central Wharf

Tug 2(440110920) STBY Jaseongdae Container Terminal(Tug 2)

Gamman citizen wharf(Tug 1)

Gamman citizen wharf

tug STBY Tug 1 speed(440103640)

Tug 2 speed(440110920)

ship s speed

Running time(sec) Running time(sec)

Running time(sec)

Speed(knot)

docking

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a ,

Fig. 6. AIS data and ARPA radar images for the deberthing vessel(MMSI 440080000) and its tugboat(MMSI 440110920) towing the vessel that is berthed port side alongside to the NW face of the Jaseongdae container terminal out of the pier.

(A)

(B) Fig. 7. Changes in the maneuvering motion tracks for the deberthing vessel being towed by one tugboat from the berth and its tugboat during the deberthing operation process. The deberthing vessel being assisted out of the pier by one tugboat from central wharf and its tugboat are shown with ship mark(or white circle) and black circle, respectively.

13750 13690 13630 13570 13510 13450

Diff. of longitude(m) tug s position(440110920) deberthing vessel(440080000) gyro heading

reference point (35 N, 129 E)

a a b

b

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Fig. 8. Variations in ship s heading and speed of the deberthing vessel being towed by one tugboat from the berth during the deberthing operation process.

360 288 216 144 72 0 15 12 9 6 3 0

Ships heading(deg)

Running time(sec) Gyro heding GPS heading(COG)

Ship s speed self-running

self-running deberthing operation

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Speed(knot)

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2004

Fig. 9. AIS display and CCTV image for berthing vessel(MMSI 525019103) and two tugboats pushing the port bow and stern of berthing vessel towards the Sinseondae container terminal wharf to be berthed on the eastern face.

Fig. 10. ARPA radar and CCTV images for the deberthing vessel being assisted out of the pier by two tugboats from Sinseondae container terminal wharf and its tugboats towing the deberthing vessel that was berthed starboard side alongside to the eastern face of the pier.

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