국문목차
표제지=0,1,4
목차=i,5,2
LIST OF FIGURES=ii,6,3
LIST OF TABLES=iv,8,1
Nomenclature=v,9,2
Abstract=vii,11,2
1. 서론=1,13,1
1.1 연구 배경=1,13,3
1.2 연구 동향=4,16,1
1.3 연구 목적 및 범위=5,17,1
2. 미터인 회로와 미터아웃 회로의 개요 및 특성 검토=6,18,1
2.1 미터인 회로와 미터아웃 회로의 개요=6,18,2
2.2 속도제어 시 정적특성 비교=7,19,3
2.3 압력보상형 유량제어 밸브의 특성=10,22,3
3. 실험장치 모델링 및 실험 방법=13,25,1
3.1 실험장치 구성=13,25,1
3.2 유압 구성 요소 모델링=14,26,1
3.2.1 유압 작동유의 특성=14,26,2
3.2.2 방향 전환 밸브(4/3 way)=16,28,2
3.2.3 속도 제어 밸브=18,30,1
3.3 유압 속도제어 회로 모델링=19,31,3
4. 결과 및 고찰=22,34,1
4.1 유압 기본회로=22,34,2
4.2 유압 속도제어 회로=24,36,14
5. 결론=38,50,2
참고문헌=40,52,1
감사의 글=41,53,1
Fig.1.1 Processing principle of hydraulic system=1,13,1
Fig.1.2 Characteristic of hydraulic system (a) Power density of hydraulic pump (b) power density of hydraulic motor (c) torque inertia of hydraulic motor=2,14,1
Fig.2.1 Meter_in and Meter_out circuit=6,18,1
Fig.2.2 Hydraulic speed_control system=8,20,1
Fig.2.3 Unidirectional flow control valve=10,22,1
Fig.2.4 Pressure Compensated Flow Control Valve=11,23,1
Fig.3.1 Experimental test circuit=13,25,1
Fig.3.2 Result of simulation on working fluid model=15,27,1
Fig.3.3 Schematic diagram and symbol of directional control valve(4/3 way)=16,28,1
Fig.3.4 Input signal for operating directional control valve(4/3 way) for double acting cylinder=17,29,1
Fig.3.5 Schematic diagram and symbol of speed control valve=18,30,1
Fig.3.6 Hydraulic speed_control circuit using AMESim (a) meter_in circuit, (b) meter_out circuit=20,32,1
Fig.4.1 Test circuit for simulation=22,34,1
Fig.4.2 Results of test circuit (a) time vs pressure, (b) time vs flow rate=23,35,1
Fig.4.3 Pressure at port 1 (a) meter_in circuit, (b) meter_out circuit=25,37,1
Fig.4.4 Pressure of meter_in/meter_out circuit at port 1=26,38,1
Fig.4.5 Pressure at port2 (a) meter_incircuit, (b) meter_out circuit=27,39,1
Fig.4.6 Pressure of meter_in/meter_out circuit at port 2=28,40,1
Fig.4.7 Flow rate at port 1 (a) meter_in circuit, (b) meter_out circuit=29,41,1
Fig.4.8 Flow rate at port2 (a) meter_in circuit, (b) meter_out circuit=30,42,1
Fig.4.9 Flow rate of meter_in/meter_out circuit (a) at port 1, (b) at port 2=31,43,1
Fig.4.10 Cylinder rod displacement of meter_in/meter_out circuit=32,44,1
Fig.4.11 Cylinder rod velocity (a) meter_in circuit, (b) meter_out circuit=33,45,1
Fig.4.12 Cylinder rod velocity of meter_in/ meter_out circuit=34,46,1
Fig.4.13 Cylinder rod acceleration (a) meter_in circuit, (b) meter_out circuit=35,47,1
Fig.4.14 cylinder rod acceleration of meter_in/meter_out circuit=36,48,1
Fig.4.15 Results of meter_in circuit(load weight 9800N) (a) pressure (b) flow rate (c) rod displacement (d) rod velocity (e) rod acceleration=37,49,1
Fig.4.16 Results of meter_out circuit(load weight 9800N) (a) pressure (b) flow rate (c) rod displacement (d) rod velocity (e) rod acceleration=37,49,1
Table3.1 Parameters for simulation of working fluid=14,26,1
Table3.2 Input signal for operating directional control valve(4/3 way) for double acting cylinder=17,29,1
Table3.3 Input signal for operating speed control valve for douIble acting cylinder=18,30,1
Table3.4 Apparatus and specification=21,33,1