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The Estimation of Frictional Unemployment: A Stochastic Frontier Approach

The Review of Economics and Statistics, 1991
This paper reports an estimate of the frictional unemployment rate in U.S. manufacturing that is derived from a parametric, statistical method for estimating stochastic frontiers. The steady-state, perfect-foresight solution to an estimated employment growth frontier provides a locus of technically efficient (frictional) rates of unemployment. The mean
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Slip-based tire-road friction estimation

Automatica, 1997
An approach to estimate the tire-road friction during normal drive using only the wheel slip, that is, the relative difference in wheel velocities, is presented. The driver can be informed about the maximum friction force and be alarmed for sudden changes.
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A novel estimation scheme of tyre–road friction characteristics based on parameter constraints on varied-µ roads

Measurement: Journal of the International Measurement Confederation, 2022
Jianjun Hu, Chenghao Deng
exaly  

A fusion estimation of the peak tire–road friction coefficient based on road images and dynamic information

Mechanical Systems and Signal Processing, 2023
Hong Chen, Hongyan Guo, Xu Zhao
exaly  

Tire-Road Friction Estimation

2022
Nan Xu, Hassan Askari, Amir Khajepour
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Estimation of Friction Function

38th IAHR World Congress - "Water: Connecting the World", 2019
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Parameter Estimation and Adaptive Control for Servo Mechanisms With Friction Compensation

IEEE Transactions on Industrial Informatics, 2020
Jing Na, Shubo Wang
exaly  

Method for Estimating of the Friction Potential

ATZ worldwide, 2016
Gerd Müller, Steffen Müller
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