1 "Using Method of Proportional Valve and High Speed On-off Valve for Hydraulic System Control" 9 (9): 98-105, 2001
2 "The Simulation of Pilot-operated Relief Valve" 13 (13): 225-228, 1980
3 "Reducing Circuit of Proportional 3-Port Valve" 24 (24): 206-210, 1993
4 "Proportional Solenoid" 31 (31): 200-207, 2000
5 "Numerical Analysis of Dynamic Characteristics of Balance Piston Type Relief Valve" 28 (28): 232-238, 1990
6 "Modellbildung Von Proportional- magneten Mitttels Konzentrierter Parameter" 45 (45): 49-52, 2001
7 "Maxwell Ver.9.0" Ansoft. 2002
8 "Hydraulic Proportional Control Valve and Servo Valve" 21 (21): 42-46, 1986
9 "FEM Analysis of Solenoid for Proportional Valve" (6) : 1988
10 "Dynamic Analysis of Fast-Acting Solenoid Valves Using Finite Element Method" Kookmin University. 2000
1 "Using Method of Proportional Valve and High Speed On-off Valve for Hydraulic System Control" 9 (9): 98-105, 2001
2 "The Simulation of Pilot-operated Relief Valve" 13 (13): 225-228, 1980
3 "Reducing Circuit of Proportional 3-Port Valve" 24 (24): 206-210, 1993
4 "Proportional Solenoid" 31 (31): 200-207, 2000
5 "Numerical Analysis of Dynamic Characteristics of Balance Piston Type Relief Valve" 28 (28): 232-238, 1990
6 "Modellbildung Von Proportional- magneten Mitttels Konzentrierter Parameter" 45 (45): 49-52, 2001
7 "Maxwell Ver.9.0" Ansoft. 2002
8 "Hydraulic Proportional Control Valve and Servo Valve" 21 (21): 42-46, 1986
9 "FEM Analysis of Solenoid for Proportional Valve" (6) : 1988
10 "Dynamic Analysis of Fast-Acting Solenoid Valves Using Finite Element Method" Kookmin University. 2000
11 "Development and Optimization of Industrial Proportional Pressure- Relief Valves" 509-514, 2000
12 "AMESim Ver.4.0"