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At the present time, industrial robots for assembly tasks only constitute a small portion of the annual robot sales. One of the main reasons is that it is difficult for conventional industrial robots to adapt to the complicity and flexibility of assembly processes. Therefore, intelligent industrial robotic systems are attracting more and more attention. However, because of the modeling difficulty...
High precision assembly processes using industrial robots require the process parameters to be tuned in order to achieve desired performance such as cycle time and First Time Through (FTT) rate. Some researchers proposed methods such as Design-of-Experiment (DOE) to obtain optimal parameters. However, these methods only discuss how to find the optimal parameters if the part and/or workpiece location...
This paper introduces a vision-guided alignment method that aims at closing the gap between a manual assembly and a fully automatic assembly. It is intended to be used for assembly of small parts in a highly agile production scenario, which employs both human workers and robots in the same line, with a frequent need for reconfiguration. The proposed method is for precisely aligning assembly features...
Many consumer and industrial electronics assemblies are predominantly repetitive manual tasks due to low startup costs and high flexibility. This allows the producer to easily scale back, increase or modify production to respond to the rapidly changing marketplace. However with the rising wages in low-cost countries, and ergonomics and other health concerns, the electronics industries look the automation...
This paper presents a study on the Design Of Experiments (DOE)-based parameter optimization technique to adapt to the manufacturing environment changes in robotic force control assembly. Based on a real-world transmission torque converter assembly production process, investigation and analysis are performed in production. An on-pendant robotic assembly parameter optimization tool is introduced. When...
In our previous work, we developed an automated wheel loading system for the trim-and-final assembly in automotive manufacturing. Since the actual system is difficult to set up to evaluate the performance of a wheel loading system, a simulation package should be available to estimate the performance of the system with a chosen robot. This paper presents a method to analyze the performance of a wheel...
This paper presents the objective metric study on design of experiments (DOE)-based robotic force control parameter optimization in transmission torque converter assembly. Based on a real-world assembly production process, investigation and analysis are performed on the optimization metrics of assembly cycle time mean (MEAN), its mean plus three times of standard deviation (MEAN+3*STDEV), and first...
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