Abstract: A low-pass filter is essential for stabilizing strictly proper repetitive-control systems, but it inevitably degrades steady-state tracking accuracy due to gain attenuation and phase lag.

Comfort Systems USA, Inc. FIX benefits from a supportive demand environment that is improving long-term revenue visibility. The company operates in markets linked to infrastructure, technology and ...

Governor Maura Healey on Tuesday said she would vote against a proposal to establish rent control statewide in Massachusetts should it reach the ballot next year, arguing the initiative would stanch ...

The Transportation Department is pushing hard for the new system to go online in 2028, with a price tag for modernization that could reach $31.5 billion. Peraton has won the massive contract to lead a ...

COVER THE COST BEING INCURRED BY THE STATE. WHAT WE’RE TALKING ABOUT HERE IS PROBABLY THE SINGLE BIGGEST. PROJECT FAILURE IN THE LAST DECADE. STATE OFFICIALS SAY THEY DON’T WANT TO SUGARCOAT IT. THE ...

The settlement will allow work to resume on the new secure psychiatric unit at the state hospital complex in Concord, but executive councilors are upset that the settlement doesn't fully cover the ...

In 2018, as California was laying the groundwork to build a new 911 system for the state, a massive fire ripped through Butte County, decimating several Northern California communities and killing ...

WASHINGTON, Nov 20 (Reuters) - The Federal Aviation Administration said on Thursday it wants to adopt a new comprehensive system to overhaul how air traffic controllers receive flight data and move ...

Over the past decade, those of us in the power industry have witnessed a remarkable transformation. Power needs have not only grown, but with each generation they have advanced — driven by smarter ...

Positioned between emerging high-rise developments and Hamburg's historic waterfront, the design draws from the city's long-standing relationship with the harbor. The opera is envisioned as a ...

AUSTIN, Texas--(BUSINESS WIRE)--Allen Control Systems (ACS), a leader in autonomous precision robotics, today announced the release of Treillis, its next-generation Hardware-in-the-Loop (HIL) test ...