As products become larger, lighter, and more structurally complex, traditional single-shaker vibration testing often fails to reproduce real-world operating environments accurately. Large aerospace structures, vehicles, satellites, bridges, and industrial equipment are exposed to vibration loads from multiple directions and multiple sources simultaneously.

The MI-8100 Series MIMO Vibration Controller is designed to meet these challenges. Utilizing advanced multi-DSP parallel processing architecture and distributed modular design, it enables precise control of multiple inputs and outputs, allowing engineers to perform highly realistic vibration testing while improving accuracy, efficiency, and confidence in test results.

Key Benefits at a Glance

• Up to 136 input channels per controller
• Up to 16 simultaneous drive channels
• Supports synchronous, asynchronous, and multi-axis vibration control
• Adaptive matrix control for complex test environments
• High-speed 24-bit acquisition with 204.8 kHz simultaneous sampling
• Automatic test reporting and comprehensive safety protection

Designed for Complex Multi-Shaker Testing

Modern vibration qualification often requires multiple shakers working together to reproduce real operational environments.

• Supports multiple-input multiple-output (MIMO) vibration control
• Enables coordinated control of multiple electrodynamic and servo-hydraulic shakers
• Suitable for large structures where a single shaker cannot provide sufficient force or coverage
• Improves vibration energy distribution across the entire test article

Advanced Adaptive Matrix Control

Achieving accurate control across multiple excitation points requires sophisticated compensation algorithms.

• Adaptive matrix control automatically compensates for coupling effects
• Matrix decoupling technology improves control accuracy
• Diagonal-first matrix compensation enhances stability
• Partial coherence and complex heterodyne techniques improve control performance in challenging applications
• More than two decades of proven MIMO control technology development

High-Fidelity Data Acquisition

Reliable control starts with reliable measurement.

• Up to 136 input channels per standalone controller
• Expandable to thousands of channels through controller cascading
• 24-bit resolution and 120 dB dynamic range
• Simultaneous sampling up to 204.8 kHz on every channel
• Excellent channel matching:
  • Phase matching < 1°
  • Amplitude matching < ±0.05 dB (DC–20 kHz)

Built for Reliability and Laboratory Efficiency

Testing schedules are demanding. Downtime is expensive.

• PXI-bus architecture over standard network cable connection
• Supports hot disconnection and reconnection without data loss
• No dedicated controller cards or special drivers required
• Windows-based graphical user interface for intuitive operation
• Automatic report generation upon test completion
• Simplifies setup, operation, and data management

Comprehensive Safety Protection

Protecting valuable test articles is critical.

• Open-loop detection
• RMS cutoff protection
• Drive limit protection
• Over-limit line monitoring
• Emergency stop functionality
• Shaker protection and system fault monitoring

ApplicationsMultiple Synchronous Vibration Control

For large vehicles, marine structures, aerospace assemblies, and heavy equipment requiring multiple shakers operating simultaneously.

Multiple Asynchronous Vibration Control

For long structures such as rockets, launch vehicles, bridges, and rail systems where realistic vibration distribution is essential.

Multi-Axis and Multi-Degree-of-Freedom Testing

For satellites, aerospace equipment, precision instruments, and advanced electronic systems requiring realistic multi-directional vibration simulation.

Why Engineers Choose MIMO Control

Real products rarely experience vibration from a single direction. Traditional single-axis testing can lead to overtesting in some areas and undertesting in others, reducing confidence in reliability assessments.

The MI-8100 Series MIMO Controller enables engineers to reproduce more realistic operating environments, improve test correlation with real-world conditions, and obtain higher-quality data for product validation and durability evaluation.