Design and Sensitivity Analysis Simulation of a Novel 3D Force Sensor Based on a Parallel Mechanism

Area of Science:

• Robotics and Automation
• Mechanical Engineering
• Sensor Technology

Background:

• Automated force measurement is crucial for intelligent automation.
• Existing micro-force sensing methods are insufficient for large 3D forces.
• Measuring large three-dimensional (3D) forces and loads presents a significant challenge.

Purpose of the Study:

• To propose a novel 3D force sensor.
• To address the challenge of measuring large 3D forces and loads.
• To enhance the capabilities of force measurement in intelligent automation systems.

Main Methods:

• Development of a novel 3D force sensor based on a parallel mechanism.
• Analytical derivation of the sensor's transformation function.
• Analytical derivation of the sensor's sensitivity index.

Main Results:

• The proposed sensor demonstrates a larger effective measuring capability than traditional force sensors.
• Simulation results indicate greater measurement sensitivity for horizontal forces over vertical forces.
• The sensor exhibits higher sensitivity to shear forces compared to normal forces.

Conclusions:

• The novel parallel mechanism-based 3D force sensor offers improved performance.
• The sensor is more sensitive to shear forces, which is advantageous for certain applications.
• This development advances the field of large 3D force measurement for intelligent automation.