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7/30/2019 2008LECT01 Introduction
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TSM 363: Fluid Power Systems
Introduction
and
Basic Concepts
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TSM 363, Lect 01
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Hydraulic Power
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Goals of this Lecture
Course preview
Expectation communications
Basic concepts introduction
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Course Goals
Through the study of this course, you are expected to be
able to:
describe how a typical mobile hydraulic system work;
determine proper parameters for simple hydraulic
systems;
select right components for simple hydraulic systems; and
create schematics of simple hydraulic system usingstandard symbols.
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Course Outlines
1 1/14, M Introduction to mobile fluid power Ch. 1 & 2
2 1/16, W Energy and Power in Hydraulic Systems Ch. 16 & 17
3 1/23, W Hydraulic Power Generation: Pumps Ch. 11 & 12
4 1/28, M Control of Hydraulic Power Generation Ch. 11 & 12
5 1/30, W Hydraulic Power Distribution: Valves Ch. 6, 8 & 9
6 2/04, M Control of Hydraulic Power Distribution Ch. 6, 8 & 9
7 2/06, W Electrohydraulic controls in hydraulicsystems
Ch. 3 & 7
8 2/11, M Hydraulic hoses and pipelines Ch. 14 & 15
9 2/13, W Hydraulic Power Deployment: Actuators Ch. 4 & 5
10 2/18, M Hydrostatic Transmission Ch. 13
11 2/20, W Hydraulic Power Regulation: Ch. 18
12 2/25, M Hydraulic Fluids and Conditioning Ch. 16
13 2/27, W Hydraulic Systems Maintenance Ch. 18
14 3/03, M Basic Hydraulic Circuits Ch. 18
15 3/05, W Integrated Hydraulic Circuits Notes
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Learning Expectation & Assessments
Activities Points
Weekly quiz (random, no make-up)(5 counted, 10 pts each)
50
Weekly Homework(5 counted, 20 pts each)
100
Laboratory Reports(5 counted, 30 pts each)
150
Final Exam 200
Total 500
[A, B, C, D, F] =
[450, 400, 350, 300, 0]
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Three Power Transmission Methods
Mechanical
Electrical
Fluid
o multiplies forces
o constant torque at all speeds
o can work remotely and aroundcorners
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Advantages of Hydraulic Power
Variable Speedo Actuators can be driven from a high to low speed
using a flow control valve.
Reversibleo Hydraulic actuators can be instantly reversed in
direction of motion.
Overload Protectiono A pressure relief valve protects a hydraulic circuit
from overload.o Also, a pressure relief provides a set clamping force.
Can Be Stalledo A load can stall a fluid power circuit without damage.
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An Overview of Off-road Equipment
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A Typical Hydraulic Power System
M
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Components of Hydraulic Systems
PowerGeneration
PowerDistribution
PowerDeployment
FluidsConditioning
Power
Regulation
Core Knowledge Base
Hydraulic Pumps Control of Hydraulic Pumps
HydraulicValves & LinesControl ofHydraulic Valves
Electro-hydraulicValves
HydraulicCylinders & Motors
HydrostaticPower Transmission
PowerAbsorbing Device
PowerStoring Device
PowerRegeneration Device
Hydraulic Fluids Fluids ConditioningHydraulic Systemsmaintenance
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Fluid Power Energy Transmission
M
Energy
Level
ni, TiP1,Q1
P4
Q4
vo, Fo
no, To
PH-out PM-out
PM-in PH-in
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Example of Hydraulic Systems
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Example of System Schematics
6 01
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Power Generation Component Symbols
TSM 363 L 01
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Power Distribution Component Symbols
TSM 363 L t 01
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Power Deployment Component Symbols
TSM 363 L t 01
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Power Regulation Component Symbols
TSM 363 L t 01
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Fluid Conditioning Component Symbols
TSM 363 Lect 01
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Lecture Summary
Introduced course goals and expectations
Introduced a few basic concepts:
Typical hydraulic systems
Core knowledge bases
Energy transmission process
Commonly used symbols used in hydraulic system
schematics