4905
Meanwhile , it evidently demonstrates the feedback control system ’ s satisfactory performance in achieving the setpoint of total height , despite the presence of ECPL process uncertainties , ICM & M noises and computing interruptions .
 feedback, control system, s, performance, process
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: manufacturing standard, machanical property, manufacturing process, material, engineering feature, process parameter, machine or equipment, application, process characterization, enabling technology, biomedical, concept or principle 
Text: {0} 
Answer:
 feedback, control system, s, performance, process