Company Filing History:
Years Active: 2022
Title: Hee Seung Chang: Innovator in Pneumatic Control Valve Diagnostics
Introduction
Hee Seung Chang is a notable inventor based in Daejeon, South Korea. He has made significant contributions to the field of pneumatic control valve diagnostics, holding 2 patents that enhance the efficiency and accuracy of valve operations.
Latest Patents
Chang's latest patents include a "Method and apparatus for diagnosing pneumatic control valve by using positioner model." This innovative method establishes a relational expression for outputting valve stem displacement according to control pressure. It involves determining initial and diagnostic parameter values by adjusting parameters until the differences between measured values and output values are minimized. This process allows for the identification of abnormalities in pneumatic control valves.
Another significant patent is the "System and method for diagnosing pneumatic control valve online." This system incorporates a sensor set attached to the pneumatic control valve, which measures its state. A smart data analyzer processes the sensor signals in real time, generating state information for online automatic diagnosis. The system also includes a data server and an online diagnostic server that compares the state information with pre-stored normal state data to determine any abnormalities.
Career Highlights
Hee Seung Chang is currently employed at Korea Hydro Nuclear Power Co., Ltd. His work focuses on improving the reliability and performance of pneumatic control valves, which are critical components in various industrial applications.
Collaborations
Chang collaborates with talented individuals such as Yang Seok Kim and Dae Woong Kim, contributing to advancements in their field through teamwork and shared expertise.
Conclusion
Hee Seung Chang's innovative work in pneumatic control valve diagnostics showcases his commitment to enhancing industrial processes. His patents reflect a deep understanding of the complexities involved in valve operations, making significant strides in the field.