Yoo Seong Jeong

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Active/passive type sonar systems have the receiving array that measures sound waves, transmitter towed body that converts sound waves, transmitter towing cable that controls the depth of the transmitter towed body, and array cable that connects the receiving array and transmitter towed body. With the research on the active/passive sonar system, a variety(More)
Machinery industry has constantly driven research on automation systems that use mechanical energy to increase the efficiency, productivity and convenience of production systems. In particularly the hydraulic systems using hydraulic fluid have higher power outputs than those of other systems, which is why they have long been used in construction and(More)
The hydraulic equipments using hydraulic fluid have higher power outputs than those of other systems, which is why they have long been used for automation in construction and machinery industry. Among the hydraulic equipments, the regulator used in the hydraulic winch, which is an item of the deck machinery, is one of the important parts that can improve(More)
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