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Facing the energy crisis and environmental problems, saving energy of construction machinery, especially in the hydraulic excavator is very important. Regeneration of the potential energy is an effective solution to save energy. However, the conventional hybrid excavator can't regenerate the potential energy. This paper proposes a new structure of hydraulic excavator as well as a control strategy...
One of the major key wholesale market competition strategies proposed by Federal Energy Regulatory Commission is to promote demand response resources as a source of energy and ancillary services (AS). As the third generation in the development of DR programs, price responsive demand (PRD) refers to the process by which residential and small commercial consumers voluntarily adjust their consumption...
The locational marginal price (LMP) is critical information provided by real-time market clearing engines. Under congestion situations, transmission constraint prices affect the LMP substantially. Usually, shadow price (SP) of a transmission constraint is considered as the constraint price. When a transmission constraint is violated, its SP will be set by the penalty price. As the penalty price is...
A new Channel Allocation (CA) policy by employing a hysteresis mechanism and guard channel scheme is considered for use in Low Earth Orbit (LEO) satellite networks. The aim is to provide for handoff call with priority attempts over new call attempts so as to avoid the forced call terminations due to handover failures without unduly affecting the performance seen by new call attempts. In addition,...
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