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1990 results about "Hybrid system" patented technology

A hybrid system is a dynamical system that exhibits both continuous and discrete dynamic behavior – a system that can both flow (described by a differential equation) and jump (described by a state machine or automaton). Often, the term "hybrid dynamical system" is used, to distinguish over hybrid systems such as those that combine neural nets and fuzzy logic, or electrical and mechanical drivelines. A hybrid system has the benefit of encompassing a larger class of systems within its structure, allowing for more flexibility in modeling dynamic phenomena.

Continuous liquid stream digital blending system

The present invention consists of a method and apparatus providing for the continuous stream blending, preferably on a mass ratio basis, of two or more liquids. Each individual liquid stream is synchronously dosed in precise mass ratio to a common mixing point. The flow of each stream is on-off or digital. Repeated mass ratio doses of defined and matching flow interval, referred to as synchronous digital flow, interspersed with a defined interval of no flow, constitutes digital flow at a net rate sufficient to meet or exceed some required take-away of the blended liquids. In one preferred embodiment, each dose stream flow is produced and measured by a four element apparatus preferably consisting of a servo motor and controller, a precision positive displacement pump, a Coriolis mass meter and a precision flow stream shut-off device. The servo motor and controller establish and control a periodic and intermittent flow rate necessary to displace a defined mass dose in a precisely defined flow interval. The flow interval is measured against a precision millisecond digital clock. The Coriolis mass meter is used only to totalize mass flow to define the desired mass dose during the defined digital flow interval. The flow stream shut-off device ensures precise delivery of the mass dose to the common mixing point. The flow rate of a stream is automatically adjusted by the control electronics until the required mass dose is delivered in the defined flow interval.
Owner:ODEN MACHINERY

Systems and methods for voice and data communications including hybrid key system/PBX functionality

A method for operating an integrated communications system providing voice and data communications to a plurality of users and simulating a key system. An outside line appearance is provided on a telephone coupled to the system; the outside line appearance is associated with a predetermined outside telecommunications trunk and has associated therewith a button and a lighting implement. In response to activation of the button, a lighting condition of the lighting implement is changed and a dial tone to the telephone by the integrated system. Digits are entered by a user depressing keys on the telephone and collected by the system. Restriction rule are applied to determine if a telephone number dialed by the user is restricted, and if restricted an error tone is provided. Caller ID information may be determined for the user. A determination is made as to whether the outside telecommunications trunk is available, and if not available an error indication is provided, and if available the caller ID information is applied and a call is initiated via the predetermined outside telecommunications trunk. Upon completion of the call, call statistics for the call in the integrated system are recorded within the system. The integrated system simulates a key system for the user and the particular telecommunications trunk, wherein for other users the integrates provided PBX telephone services.
Owner:VERTICAL NETWORKS +1

Novel ultra-large-displacement ultrahigh-pressure well cementing equipment

The invention discloses novel ultra-large-displacement ultrahigh-pressure well cementing equipment. The novel ultra-large-displacement ultrahigh-pressure well cementing equipment comprises a loading carrier. A hydraulic system, a power transmission system, a metering tank, an electrical system, an air path system, a control system, an operating platform, a plunger pump, a clean water manifold, a mud manifold, a high-pressure manifold, a mixing system and an ash feeding manifold are mounted on the loading carrier, wherein the plunger pump is a five-cylinder plunger pump. The five-cylinder plunger pump is adopted to increase the pressure and displacement of the well cementing equipment, and the requirements of high pressure and large displacement are met; slurry mixing is carried out by double mixing devices, the mixing efficiency is improved, the stability of the slurry mixing density is improved, and the requirement of long-time uninterrupted operation is guaranteed; a mixing system pipeline is optimized, multiple sets of mixing systems are integrated on one slurry mixing tank, and the stability of the equipment is improved; and the clean water manifold is optimized, so that watersupply requirements of the multiple mixing devices can also be met at the same time by using one injection pump, and the requirement of large displacement is met.
Owner:YANTAI JEREH PETROLEUM EQUIP & TECH CO LTD

Novel ultra-high-power cementing equipment integrated with remote control

The present invention relates to the technical field of petroleum equipment, in particular to novel ultra-high-power cementing equipment integrated with remote control. The novel ultra-high-power cementing equipment integrated with remote control comprises a loading system and a secondary beam, wherein the secondary beam is connected with a hydraulic system, a power transmission system, a meteringtank, an electrical system, a gas circuit system, a control system and a mixing system from front to rear in sequence, the lower portion of the gas circuit system is provided with a plunger pump, theplunger pump is connected with a high-pressure discharge system; a control platform is arranged at the lower part of the electrical system; the control system is positioned above the control platform; and the control system is connected with the remote control system. The novel ultra-high-power cementing equipment integrated with remote control meets the requirements of high pressure, large displacement, long time and continuous uninterrupted operation during the ultra-deep cementing operation and the ultra-high pressure gas well operation; and the occupied area is small, the pipeline connection is simple, and the maintenance frequency is low.
Owner:YANTAI JEREH PETROLEUM EQUIP & TECH CO LTD
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