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To fully realise the environmental and efficiency benefits of electric ROVs, Saab Seaeye has developed the eM1-7 electric manipulator, the world’s most advanced electric manipulator yet.
The Seaeye eM1-7 electric manipulator features an advanced control system allowing both manual and automated operation. Highly accurate, modular electric joints enable enhanced arm control, path planning solutions and actuator re-use. Lift capacity and range of motion exceed the eM1-7 manipulator's hydraulic equivalents, while its aluminium construction ensures high reliability.
Active power management helps regulate demand and manages the regenerative power created with free-fall loads. Dual seven-function electric manipulator configurations provide maximum dexterity.
The Seaeye eM1-7 offers significant advantages over hydraulic alternatives, including more precise positioning with force feedback, increased dexterity, lower water weight and greater reliability - expanding the potential for more autonomous and resident applications.
Advanced arm control comes from position and force feedback, repeatability and in-built intelligence.
Direct end effector control can be achieved when coupled with an intuitive human input device and an inverse kinematics system. Adding our advanced perception systems will lead to a blend of supervised and fully autonomous manipulation. These future control options will be backward compatible and available as upgrades to existing manipulators.
On-board processing for advanced kinematics
|
Material |
Aluminium |
|
Dexterity |
7 functions (6 degrees of freedom) |
|
Maximum reach |
1,990 mm |
|
Lift capacity (full extension) |
122 kg |
|
Lift capacity (min. extension) |
454 kg |
|
Wrist torque |
330 Nm |
|
Weight (in water) |
84 kg |
|
Weight (in air) |
116 kg |
|
Depth |
4,000 m (7,000 m option) |
|
Power |
Compatible with a wide range of AC or DC voltages |
|
Consumption |
Intelligent power management to regulate demand to available power. Maximum unregulated demand 4 kW |
|
Control |
Ethernet 100 Mbit/s |
|
Input device |
Pendant master arm |
|
Fully electric, mechanically braked |
|
|
Repeatability/accuracy |
< 0.5 deg (nominal value, load dependent) |
|
Shoulder movement |
140 deg elevation / 360 deg azimuth |
|
Elbow movement |
240 deg |
|
Wrist movement |
180 deg elevation / 180 deg azimuth |
|
Wrist rotation |
360 deg unlimited 20 rpm (nominal value, load dependent) |
|
Wrist rotate torque |
330 Nm |
|
Maximum powered jaw closing force |
4,450 N |
|
Jaw opening aperture |
100 mm |
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