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Three-Axis (3DOF) Motion Base Platforms
Servos & Simulation offers a comprehensive line of three-axis (3DOF) motion base platform systems, engineered to support a wide range of applications and payload capacities. Each system is fully customizable, featuring an integrated top platform that can be modified to meet your specific requirements. For added convenience, we also offer pre-drilling services for mounting seats, cockpits, cabins, or other equipment (additional costs apply).
Applications - Industries
Three-axis motion base platform systems are versatile tools used in a multitude of applications. From military training simulations to commercial entertainment rides and medical testing, our platforms enhance realism and immersion, making them invaluable across various industries.
For instance, in the entertainment sector, our platforms are utilized for virtual reality experiences that require precise motion feedback to create an engaging user experience. In military applications, these systems simulate real-world scenarios for training purposes, ensuring personnel are well-prepared for their operational roles. The adaptability of our platforms makes them a critical asset in any professional setting.
Applications - Industries
Three-axis motion base platform systems are versatile tools used in a multitude of applications. From military training simulations to commercial entertainment rides and medical testing, our platforms enhance realism and immersion, making them invaluable across various industries.
For instance, in the entertainment sector, our platforms are utilized for virtual reality experiences that require precise motion feedback to create an engaging user experience. In military applications, these systems simulate real-world scenarios for training purposes, ensuring personnel are well-prepared for their operational roles. The adaptability of our platforms makes them a critical asset in any professional setting.
Customization Options
At Servos & Simulation, we understand that no two projects are alike. That’s why we offer extensive customization options, including:
- Payload capacities
- Platform dimensions
- Control system configurations
- Motion profiles
Whether you require a specific stroke length, angular range, or integration with existing systems, our engineering team will work closely with you to deliver a solution that fits seamlessly into your operational framework.
Key Benefits
Investing in a motion base platform provides several advantages:
- Enhanced training realism
- Greater user engagement
- Improved operational flexibility
- Durability and long-term reliability
Moreover, our platforms feature advanced motion control technology for smoother, more responsive movement—critical for high-stakes environments such as flight simulation and medical testing.
Weight Capacities
We offer a range of standard payload capacities to suit different applications:
- 500 lbs (227 kg) – Ideal for gaming rides, VR setups, and small equipment testing
- 1,000 lbs (454 kg) – Suitable for rides with 1–4 passengers
- 2,000 lbs (907 kg) and up – Designed for multi-seat configurations with walkways
- 4,500 lbs (2,041 kg) and 8,000 lbs (3,629 kg) – Built for large-scale entertainment rides
Custom stroke and payload combinations are also available upon request.
Technical Specifications
All three-axis motion base platform systems have the following axes:
roll, pitch, and heave.
Mechanicals and Dynamics for our standard systems are listed below.
All our platforms are servo-controlled with a closed feedback loop between the motor and the motor controller. This ensures responsive and precise movements based on signals received from either the computer or an analog control voltage. The system operates without the need for encoders, limits, or stops typically required in linear systems.
Mechanicals and Dynamics:
| Product Number | 710-3-500-220 | 710-3-1000-220 | 710-3-2000-220 | 710-3-4500-220 |
|---|---|---|---|---|
| Payload Specification | 250 Kgs or 550 Lbs | 500 Kgs to 1100 Lbs | 1000 Kgs or 2200 Lbs | 2000 Kgs or 4400 Lbs |
| Standard Top Dimensions (customizable) | 355mm (14″ sq) | 1219mm x 1828mm (4′ x 6′) | 1219mm x 1828mm (4′ x 6′) | 1219mm x 1828mm (4′ x 6′) |
| Bottom Dimensions for floor loading (customizable) | 457mm sq (18″ sq.) | 914mm x 1524mm (3′ x 5′) | 914mm x 1524mm (3′ x 5′) | 914mm x 1524mm (3′ x 5′) |
| Standard Height (customizable) | 482mm (19″) | 610mm (24″) | 762mm (30″) | 863mm (34″) |
| Vertical Translation (Heave) | ±50mm (±2″) | ±100mm (±4″) | ±100mm (±4″) | ±100mm (±4″) |
| Standard Angularity (customizable) | ±20 degrees (up to ±45 deg) | ±20 degrees (up to ±32 degrees) | ±20 degrees (up to ±32 degrees) | ±20 degrees (up to ±32 degrees) |
| Standard Velocity (customizable) | ±60 deg/sec | ±100 deg/sec | ±100 deg/sec | ±100 deg/sec |
| Standard Acceleration (customizable) | ±1000 deg/sec/sec | ±1000 deg/sec/sec | ±1000 deg/sec/sec | ±1000 deg/sec/sec |
| Standard Vertical Velocity (customizable) | ±2″ /sec | ±4″ /sec | ±4″ /sec | ±4″ /sec |
| Standard Vertical Acceleration (customizable) | 0.75g | 0.75g | 0.75g | 0.75g |
| Center of Gravity (overhung loads can be accommodated) | center of top | center of top | center of top | center of top |
Optional Control Systems
All motion base platform systems from Servos & Simulation are plug-and-play ready, offering flexible control options to suit a wide range of applications and user preferences.
With several three-axis (3DOF) models available—starting at 500 lbs (227 kg) and scaling upward—each system is designed to operate using a simple ±7.5VDC analog control input, making integration straightforward and versatile.
Included Components
Every motion base platform system includes:
- Integrated electronics in a COTS rack-mount chassis
- Up to 50 feet of interface cabling
- Hubbell 220VAC plug, mating input connector, and generic system manual
- Integrated safety braking system and e-stop integration
- Full system manual (ICD and maintenance) with complete drawing set
- One-year warranty and lifetime email/phone technical support
Computer Control
If the customer chooses to purchase the computer system for motion base control, the package includes:
- Custom Interface Control board
- Input cable
- Operating system
- Keyboard and mouse
- Maintenance software for the motion base
Additionally, for entertainment ride profile playback, the computer can broadcast video while simultaneously controlling the motion base. Customers may specify video card output requirements at contract time (additional cost applies). Systems rated at 8,000 lbs or larger include the computer as a standard component.
Sensoray 826 Card
The Sensoray 826 is our standard interface card, included with the computer control option. It supports:
- ADC and DAC functions
- Digital I/O
- Watchdog capabilities
This card ensures reliable and precise control across all supported motion base platforms.
The customer is more than welcome to choose their interface. Be aware that if you require excellent movement of the system, 16-bit resolution on the DAC output is required. We are here to help with engineering and advice where and when you need it.
Raspberry Pi & Phidgets
Because the system accepts analog signals, it can also be controlled using:
- A Raspberry Pi with a 16-bit DAC installed
- A Phidget card, such as the 1002_0B or OUT1002_0
This option is ideal for home-built flight simulators and supports integration with platforms like Prepar3D, Flight Simulator Steam, and X-Plane. Note: This option is not recommended for larger systems due to limited fidelity.
Measurement Computing Devices
All Measurement Computing ±10VDC analog output devices are compatible with our motion base systems. For optimal performance, we recommend consulting our engineering team to identify the fastest available device to avoid any limitations in motion responsiveness.
Power Requirements
Servos & Simulation’s motion platforms are fully electric and designed to be environmentally green, offering flexible power configurations to suit a variety of operational environments. By default, standard power requirements are 220VAC, though other voltage options are available upon request.
Power Configurations by Platform Size
Smaller Bases
Can be configured to operate on a standard 120-volt, 20-amp circuit using a transformer. Note: The transformer may be supplied by the customer or provided by Servos & Simulation at an additional cost.
Mid-Size Bases (1,000 to 4,000 lbs)
Require 220 volts, available in either single-phase or three-phase configurations.
Large Bases (6,000 lbs and up)
Require 220 to 440 volts, three-phase power.
Additionally, we can wire the system to meet customer-specific electrical requirements, ensuring seamless integration into your facility’s infrastructure.
FAQ
What is a 3DOF motion platform?
A 3DOF (Three Degrees of Freedom) motion platform moves in three axes, typically pitch, roll, and heave, adding vertical motion to basic tilt.
What are 3DOF motion platforms used for?
They are used in mid-level flight simulation, research and testing, training applications, and VR or motion-based entertainment systems.
Why choose a 3DOF system over 2DOF?
3DOF systems add vertical motion (heave), improving realism by simulating effects such as turbulence, bumps, and vertical acceleration.
How does a 3DOF platform work?
It uses three actuators to control pitch, roll, and vertical movement, providing a more dynamic motion response than 2DOF systems.
What are the limitations of a 3DOF system?
3DOF systems lack full translational motion (surge and sway) and do not provide the complete realism required for certification-level simulation.
Can 3DOF systems be customized?
Yes. They can be tailored for payload, motion characteristics, and integration with specific applications and simulation environments.