Fig. 1. Configuration of motor using in the power seat. 그림 1. 전동 시트에 사용되는 모터의 배치도
Fig. 2. Comparison of the motor current profile in the power seat. 그림 2. 전동 시트에서 모터에 흐르는 전류 형상 비교
Fig. 3. Control variables of voltage applying to motor for generation of soft-start and soft-stop current profile. 그림 3. 소프트 스타트와 소프트 스톱 형태의 전류 형상생성을 위해 모터에 인가되는 전압의 제어변수
Fig. 4. Control block diagram of DC motor driver. 그림 4. DC 모터 드라이버의 제어 블록선도
Fig. 5. Schematic diagram of DC motor and seat. 그림 5. DC 모터 및 시트의 개요도
Fig. 6. Block diagram of power seat for simulation. 그림 6. 시뮬레이션을 위한 전동 시트의 블록선도
Fig. 7. Simulation result of current profile according to control variable of input voltage. 그림 7. 입력 전압의 제어변수 값에 따른 전류 형상 시뮬레이션 결과; (a) Vi=6, Ti=0, Vd=6 및 Td=0, (b) Vi=4, Ti=0.4, Vd=4 및 Td=0.4, (c) Vi=2, Ti=0.4, Vd=2 및 Td=0.4
Fig. 8. Simulation result of current profile according to equivalent moment of inertia. 그림 8. 등가 관성질량 값에 따른 전류 형상 시뮬레이션 결과; (a) Jeq=0.8, (b) Jeq=1.0, (c) Jeq=1.2
Fig. 9. Simulation result of current profile according to equivalent damping coefficient. 그림 9. 등가 감쇠계수 값에 따른 전류 형상 시뮬레이션 결과; (a) Deq=4, (b) Deq=5, (c) Deq=6
Table 1. Electrical and mechanical constant of power seat. 표 1. 전동 시트의 전기적 및 기계적 상수
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