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LPS 3000
MAHA LPS 3000 User Manual
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BA052301-
en
39
2.9.6
Calculate Engine Factor fm
In most cases fm =
0.3 applies but this value can be ch
anged.
The following equations
are
used:
Engine factor fm b
ased on ISO 1585:
65
2
,
37
r
q
14
,
1
.
036
,
0
−
=
r
q
fm
2
,
37
r
q
2
,
0
=
fm
65
r
q
2
,
1
=
fm
Engine factor fm b
ased on EWG 80
/1269, SAE J1349 and JI
S D1001:
65
40
r
q
14
,
1
.
036
,
0
−
=
r
q
fm
40
r
q
3
,
0
=
fm
65
r
q
2
,
1
=
fm
Pressure behavior of the su
percharging:
E
L
P
P
r
=
Specific fuel consump
tion based on SAE
J134
9:
4-Takt Motoren
n
D
F
q
=
.
12000
0
2-Takt Motoren
n
D
F
q
=
.
600
00
with
•
fm
Engine
factor
•
r
Pressure behavior
of the s
upercharging
•
q
Specific fuel consumpti
on based
on SAE J13
49
•
p
L
Absolute
boost pressur
e
•
p
E
Absolute press
ure in front of t
he compress
or
•
F
Fuel flow (mg/s)
•
D
Cubic capacit
y
volume
•
n
Engine RPM
38
40
Table of Contents
Table of Contents
3
Safety
7
Introduction
7
Symbols
7
Intended Use
7
Safety Instructions for Commissioning
7
Safety Instructions for Operation
8
Safety Instructions for Servicing
9
Danger Zone
10
Safety Information about Tires
11
Safety Information about the Eddy Current Brake
11
Safety Information about Motorcycle Testing
11
Safety Information about the Anchoring Device LPS 3000 Truck
11
Safety Features
12
Accessories
12
What to Do in the Event of an Accident
13
Description
14
General Information
14
Technical Data
15
Communication Desk
15
Roller Sets
16
Main Switch
19
Remote Control
19
Description of the Interface Box
21
RPM Module (Standard)
23
Environmental Module (Standard)
25
OBD Module (Optional)
26
Pressure/Temperature Module (Optional)
26
Analog Input Module (Optional)
27
Analog Output Card (Optional)
27
Lambda Broadband Sensor
28
Measurement Programs
33
Calculation Basis
34
Road Load
34
Torque
35
Extrapolation of the Engine Power with Gasoline Engines
36
Extrapolation of the Engine Power with Diesel Engines (Naturally Aspirated or Supercharged)
37
Extrapolation of the Engine Power with Turbodiesel Engines
38
Calculate Engine Factor Fm
39
Extrapolation of Drag Power by 2Nd Coast down Trial
40
Wheel Drive Operation
41
Installation
42
Requirements for the Place of Installation
42
Safety Measures
42
Heat Balance
42
Exhaust Suction System
44
Fresh Air Supply for the Test Room
45
Transport and Storage
45
Installation and Initial Operation
45
Software
46
System Requirements
46
Starting the Setup
46
Selecting the Setup Language
47
Selecting the Destination Folder
48
Selecting the SQL Server
48
Selecting the Dyno Type
49
Selecting Features
49
Installing Drivers
50
Finishing the Setup
50
Additional Settings under Windows 7 or Higher
51
Preparations for Testing
53
Switch on the Dyno
53
Drive Onto Dyno
53
Set Wheelbase (Only 4WD Dynos)
53
Fix Vehicle
54
Fix Car/Truck
55
Fix Motorcycle
56
Attach Weight Simulator (Optional)
57
Connect the RPM Sensor
57
Connect Oil Temperature Probe
57
Attach Exhaust Suction System
58
Position Cooling Air Fan
58
Bring the Vehicle up to Operating Temperature
58
Vehicle Ready for Testing
58
Program Structure
59
General Information
59
Tree Model
60
Screen Design
61
Status Line
61
Main Screen
63
Button Bar
63
Starting the Program
64
End Program / Switch off Dyno
64
Measurements
65
Load Simulation
65
Identical Functions
65
Constant Traction
70
Constant Speed
72
Driving Simulation
73
Constant Engine RPM
75
Standstill
75
Measure Engine Power
76
Display Last Measurement
76
Continuous Measurement
77
Discrete Measurement
80
Engine Flexibility Test
82
Speedometer Check
83
Vehicle Speed
83
Mileage
84
Load Adaption (Optional)
85
Coefficient Adaption Based on ECE
85
Coefficient Adaption Based on SAE J2264
86
Lug-Down Test (Option)
87
Settings
88
Database
88
Identical Functions
88
Performance Curves
91
Time Diagram
95
Vehicle Data
96
Load Simulation Profile
97
Driving Cycle Data
99
Vehicle Data
100
RPM Setting
101
Driving Trial
102
Special Settings
103
Select Dyno Type
104
Units
104
Language
105
Device / Interfaces
105
OBD Settings (Optional)
106
Diagnosis / Service
107
Dyno Status
107
Driver's Aid Setup (Optional)
107
Test Driving Cycle
108
Edit Profile
109
New Profile
109
Delete Profile
110
Backup/Restore Database
110
Backup Database
110
Restore Database
110
Delete Table
111
Delete Database
111
Maintenance
112
Important Information
112
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MAHA LPS 3000 Specifications
General
Brand
MAHA
Model
LPS 3000
Category
Measuring Instruments
Language
English
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