Human and Machine Stick Balancing

2007 ◽  
Author(s):  
Shigeru Tajima ◽  
Toru Ohira ◽  
Yukinori Tonosaki
Keyword(s):  
Random Walk ◽  
Control Systems ◽  
Psychological Factors ◽  
Simplified Model ◽  
Feedback Delay ◽  
Hunting Behavior ◽  
Machine Control ◽  
Similarities And Differences

We compared the similarities and differences in stick balancing for the human fingertip and that by a servo-controlled machine. The motion of the stick in both cases exhibited a swinging or hunting behavior, which appears to be related to feedback delay. However, human stick balancing appears also to be affected by psychological factors, such as attention, which are not present in machine control systems. We discuss how machine control systems compare with human stick balancing. We also discuss about the repulsive delayed random walk as a simplified model of the stick balancing.

Approach to the Diagnosis and Configuration of Servo Drives in Heterogeneous Machine Control Systems

2017 ◽  
pp. 586-594 ◽  
Author(s):  
Georgi M. Martinov ◽  
Sergey V. Sokolov ◽  
Lilija I. Martinova ◽  
Anton S. Grigoryev ◽  
Petr A. Nikishechkin
Keyword(s):  
Control Systems ◽  
Servo Drives ◽  
Machine Control

A Study of the Running Accuracy of Re-Circulating, Linear Bearings

2004 ◽  
Author(s):  
David H. Myszka
Keyword(s):  
Control Systems ◽  
Extensive Study ◽  
Linear Motion ◽  
Machine Control ◽  
Guidance Systems

The demand for faster operation, higher quality output and increased efficiency in automation and machine control systems has led to increased demands on guidance systems. Innovation of re-circulating, linear bearing guide technology has launched that option as the preferred choice for most precision linear motion stages. As the use of re-circulating linear guides increases, many vendors have entered the market, producing nearly identical products. All vendors promote similar load capabilities, running speeds and accuracies. A machine designer has difficulty in selecting a specific brand. An extensive study was conducted to evaluate the running accuracy of several commercially available, re-circulating bearings and configurations. This paper will describe the results of the study and explain the reasons for various inaccuracies. These results will help understand the subtle details of the different styles.

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