Abstract: When the operating conditions are changed suddenly, the model mismatch for the servo system using model-based methods occurs during the identification convergence, which will lead to the ...

Wm. K. Walthers Inc., a manufacturer and distributor of model railroad products, is sponsoring the Pacific Southern model ...

I first encountered the Lone Star Treble-O-lectric system when one of my old school friends had a box full of play-worn equipment, which we would just set up on the carpet and get them to go! At that ...

News & Products for the week of December 22nd 2025 Model railroad operators and builders can get the latest information about locomotives, freight cars, passenger cars, tools, track, and more by ...

For more than 10 years, the Central Wyoming Model Railroad Association has graced the National Historic Trails Center in Casper during the month of December to draw in ...

Abstract: The proposed technique systematically incorporates the low-pass filter (LPF) and disturbance observer (DOB) into the model-free order reduction filter as auxiliary systems to improve the ...

Jordan Love and the Green Bay Packers have a matchup in Denver where our projection model sees value. John Fisher / Getty Images Week 15 of NFL action could spell the end of postseason hopes for some ...