Project 1

AIM: Develop a double-acting actuator model using Simscape Multibody and Simscape components.

INTRODUCTION:

Cylinder Model:

The schematics show the cylinder in three configurations: half-retracted, fully retracted, and fully extended.

Double Acting Hydraulic Actuator System:

a double-acting hydraulic cylinder, the plunger retracts when hydraulic fluid is pumped under high pressure into the top port, forcing the plunger back to its original position. This can be done quickly, if required, or very gradually with precise control.

Double-acting hydraulic cylinders have the ability to pump hydraulic fluid to both sides of the plunger. Connection ports positioned near both ends allow the piston rod to move both forwards and backwards. The extra port also allows more control of the plunger during retraction and ensures it always returns back to its starting point.

Comparison Table: Single-Acting and Double Acting Cylinders:

SIMULINK MODEL:

Mechanical system:

1.Cylinder Assembly:

Bottom Cap:

Barrel Cap:

Cross section values:[0.08, 0.5/2; 0.08, -0.5/2; 0.1, -0.5/2; 0.1, 0.5/2]

Head Cap:

Cross section values:[0.04, 0.05/2; 0.04, -0.05/2; 0.1, -0.05/2; 0.1, 0.05/2]

2. Prismatic Joint:

3. Piston Assembly:

Piston:

Rod:

Hydraulic system:

Chamber A:

Chamber B:

C:

Hydraulics:

Valve Control:

Valve:

Iso thermal liquid properties:

Result: