Developing 3-axis force sensor
3 - axis force sensor has been developed in recent years, but this sensor is a new concept in the SGU Robotic Development. This force sensor is a sensor that can be used and calibrate with another robot as a gripper. The main purpose of this thesis is to make the external load as a variable input from the information given based on load sensor. The force sensor is developed based on strain-gauge. Mechanical consideration, digital to analog conversion and linear regression is developed in this project. This development starts from mechanical analysis and mechanical design. The strain gauge that is attached in the mechanical design will give signal to the electrical. It will be calibrated and amplified in the signal conditioning process. It will produce an output voltage that will be used to make a graph between output voltage and force. Then, linear regression method is used to make a linear line to know the error in the system. Several tests were performed to check the strain gage response on the system. They are, among other, the reliability of the strain gage, and calibration test to see the maximum error of the system.
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