Casey Murphy has fanned his passion for finance through years of writing about active trading, technical analysis, market commentary, exchange-traded funds (ETFs), commodities, futures, options, and ...

Abstract: Linear compressors have become more common in refrigeration applications due to their high efficiency. However, in order to achieve efficient and reliable operation of the machine, the ...

Abstract: To optimize the efficiency of the linear compressor, its operating frequency must be controlled equal to the system resonant frequency. The traditional resonant frequency tracking control ...