| Inertial Navigation System |
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HK221 RuggedInertialNavigation System
MH-HK221 was designed as
an integrated inertial navigation system for airborne platform. Featuring a laser
gyroscope and a perfect quartz accelerometer and advanced alignment technology
on navigation algorithm,HK221 can perform initial
alignment and navigation functions in harsh environment. The miniature rugged
navigation system can continuously and real-timely provide with carrier’s position
(latitude and longitude), speed, acceleration, attitude and heading, and detailed
navigation information according to flight mission.
HK221
MAIN FEATURES AND CAPABILITIES
1)The
navigation system is characterized by high precision, small size and high
reliability.
2)HK221
has an ability of alignment on base swaying.
3)With
higher reliability, the latest instrument is highly adaptable to environment.
HK221
MAIN APPLICATIONS
HK221 gives best
performance at a consumer price and has been widely applied to civil aviation,
airborne test equipment and other fields.
SYSTEM
SPECIFICATIONS
|
NO.
|
ITEM
|
INDEX
|
NOTES
|
|
Class A
|
Class B
|
|
1
|
Heading Accuracy
|
0.05°/h
|
0.1°/h
|
1σ
|
|
2
|
Attitude Accuracy
|
0.05°/h
|
0.1°/h
|
1σ
|
|
3
|
North-seeking Time
|
5min
|
5min
|
1σ
|
|
4
|
Positional
Accurac
y(Gyroscope free)
|
0.8nm/h
|
1.2nm/h
|
|
|
5
|
Position
Accurac
y(According to single point GPS or BDII)
|
5m
|
10m
|
(CEP)
|
|
6
|
Laser Gyro Zero Bias
Stability
|
0.01°/h
|
0.02°/h
|
1σ
|
|
7
|
Laser Gyro Scale
Factor
|
2PPm
|
5PPm
|
|
|
8
|
Acceleration Zero
Bias Stability
|
0.05mg
|
0.1mg
|
1σ
|
|
9
|
Impact Force
|
20g
|
20g
|
|
|
10
|
Operating Temperature
|
-40°C～60°C
|
-40°C～60°C
|
|
|
11
|
Dimensions
|
333m
mX157mm
X219mm
|
|
|
12
|
Weight
|
≦12kg
|
|
|
13
|
Power
|
18VDC～36VDC
|
|
|
14
|
Data Communication
|
RS232、RS422、CAN
|
Selectable
|
|
15
|
MTBF
|
≦1500h
|
|
|
16
|
Data Refresh Rate
|
160Hz
|
|
|
17
|
Baud
Rate
|
115200bps
|
|
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