Asynchronous Actuator System for No-Back Testing
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Solution Overview
Problem
Testing no-back systems, which resist back driving forces in actuators, is challenging due to the complexity of applying large external loads, making it cumbersome and time-consuming to determine if these systems are operational before field use.
Innovation Solution
A system and method where multiple actuators are driven asynchronously to create internal forces mimicking external loads, allowing for the monitoring of no-back systems' performance by analyzing data such as electrical current and motor rotations to determine if they effectively resist forces.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If large external loads are applied to test no-back systems, then the testing accuracy and reliability are improved, but the testing process becomes cumbersome and time-consuming
Solution Approach 1:
The patent uses multiple actuators to generate internal forces that copy or mimic the effect of large external loads. Instead of applying actual large external loads to the tested actuator, the system creates equivalent internal loading conditions through coordinated actuator movements, thereby achieving accurate no-back system testing without the time-consuming and cumbersome process of applying real external loads
Solution Approach 2:
The patent introduces a testing system with multiple actuators as an intermediary between the test controller and the no-back system under test. These intermediary actuators generate the necessary internal forces to simulate external load conditions, enabling indirect but accurate testing of no-back system performance without directly applying large external loads
2Measurement precision
If large external loads are applied to test no-back systems, then the testing accuracy is improved, but the device complexity and operational difficulty increase
Solution Approach 1:
The system copies the effect of large external loads through internal force generation by multiple actuators. This approach maintains high measurement precision for no-back system performance while avoiding the operational complexity of physically applying and controlling large external loads, making the testing process much easier to operate
Solution Approach 2:
The patent replaces the mechanical system of applying external loads with an actuated system that generates internal forces. Instead of using external mechanical loading devices, the system uses controlled actuators to create equivalent internal loading conditions, thereby improving ease of operation while maintaining measurement precision
3Productivity
If actuators are driven asynchronously to create internal forces, then the testing efficiency is improved, but the device complexity increases
Solution Approach 1:
The system uses dynamic, asynchronous actuation of multiple actuators to create the necessary internal forces for testing. By controlling actuators to move at different times and rates, the system efficiently simulates various loading conditions without requiring complex static loading mechanisms, thereby improving testing efficiency despite the increased device complexity
Data Source
AI summary
A system and method for testing no-back systems. In one embodiment, the system and method includes multiple actuators that are driven in an asynchronous manner as to impart internal forces that mimic external loads on the system. The actuators can be monitored to determine whether the no-back systems are performing as expected when loads are applied to the actuators.