Page 597 - Mechatronics with Experiments

October 9, 2014 8:41 254mm×178mm
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JWST499-c07
JWST499-Cetinkunt
ELECTROHYDRAULIC MOTION CONTROL SYSTEMS 583
ECM
Joystick (2 DOF)
2

1

SS SS SS

Solenoids (6): 2 per pump, 1 per motor Speed sensors: engine,
Track 1 and 2
Hydrostatic drive 1
Motor 1 Track 1
Pump 1
Gear
D_p1 D_m1
reducer
w_eng V_track
T_eng F_load
Engine
Motor 2
Pump 2
Gear
D_p2 D_m2 reducer
Track 2
Hydrostatic drive 2

FIGURE 7.112: Control system: electronic control module, operator I/O, machine I/O.

®
®
Matlab /Simulink /Stateflow/RTW/SFC/C compiler
ECM flash memory download, memory R/W tool
+
– CAN bus monitor

Communication ECM
adaptor

2
1
SS SS SS

Solenoids Sensors:
Joystick (2 DOF)
Inputs/Outputs

FIGURE 7.113: Control system with development tools: PC with code development, download
and reads/write to ECM memory capability, electronic control module, operator I/O,
machine I/O.