131results about How to "Continuous control" patented technology

A modular junction box receptacle includes parallel high and low voltage circuitry portions separated by a barrier. A base housing of the receptacle receives a termination block that includes high and low voltage connections to respective high and low voltage portions of the base housing. A housing cover is installed over the base housing and termination block; the cover has an opening for passage thereinto of a face portion of the block. The receptacle accommodates a plug and play unit containing smart circuitry, the unit including high and low voltage circuitry connections for respective high and low voltage portions of the termination block. The unit can act as a variety of interchangeable devices in a smart system that incorporates pluralities of receptacles, including electrical outlets and simple electrical toggle switches, each containing low voltage connections. A plurality of such units may be incorporated in, for example, a household circuitry system.

A variable focus lens comprising a chamber (12) filled with a first liquid (13), a drop of a second liquid (11) being disposed at rest on a region of a first surface of an insulating wall of the chamber, the first and second liquids being non miscible, of different optical indexes and of substantially same density. The first liquid is conductive and the second liquid is insulating. The lens further comprises means for applying a voltage between the conductor liquid and an electrode (16) placed on the second surface of said wall; and centering means for maintaining the centering of the edge of the drop while the voltage is applied and for controlling the shape thereof.

The present invention provides an endoscope with a watertight and air-tight endoscope handle that in preferred embodiments contains in its interior a solid-state light source and a gas permeable and liquid impermeable sealed compartment holding a battery and an electronic circuit, where the sealed compartment is preferably transverse to the long axis of the endoscope handle, and, in certain embodiments, at least partially surrounded by a movable structure.

A method and a device for controlling an electrically operated supercharger are proposed, which cooperates with an exhaust-gas turbocharger for compressing the air supplied to the internal combustion engine. The controlling of the electrical supercharger (ES) is implemented via a control signal, which is generated as a function of a predefined value for the compressor-pressure ratio of the electrical supercharger.

A lighting control system allows user control of the color features of controllable light fixtures. Controlled color features may include the color, color temperature, tint, or other qualities related to the color of the light. Control of the color features may be independent from control of the intensity of the light fixtures. The system may use light-emitting diode (LED) light fixtures, or fluorescent or incandescent light fixtures. The system may enable control of the color feature using a controllable driver/ballast and a dimmer control. The color feature may be adjusted along a color path of adjacent values in a suitable color space model.

A heating unit is presented for use in a heating device for surface heating of a body to enable maintaining a required temperature of the body. The heating unit is composed of first and second elements each made of a material with a specific resistivity in a range of about 0.01-0.01 Ohm·mm²/m, thereby enabling substantial flatness and flexibility of the heating unit. The first and second adjacent elements are accommodated in spaced-apart planes, are electrically insulated from each other, and have different resistance and different surface areas as compared to each other. The first element having the relatively high resistance and the relatively low surface area serves as a heater, and the second element, which is located closer to the body, when the heating unit is in the operation, serves as a distributor of heat created by the first element when connected to a power source. The heating unit is arranged such as to provide for compensating a magnetic field created by the heating unit when connected to the power source.

A programmable fluid treatment system including a mechanical subsystem and a computer control subsystem where the mechanical subsystem includes a fluid collection sump for capturing a fluid medium, a chemical mixing tank for injecting engineered chemicals into the fluid medium for separating a plurality of targeted compounds, an air flotation tank for creating a floating agglomeration of targeted compounds and engineered chemicals for mechanical removal, the computer control subsystem including a control unit for continuously monitoring a plurality of sensed parameters, a computer for continuously to comparing the sensed parameters with pre-programmed input data for continuously generating correction signals fed back to the mechanical subsystem via the control unit for maintaining the sensed parameters within limitations set by regulation, and for continuously adjusting and realtime reporting to regulators, the operation of the mechanical subsystem including the engineered chemicals in accordance with a dynamic concentration of the is targeted compounds.

The invention provides a flexible satellite neural network backstepping sliding mode attitude control method, relates to a flexible spacecraft attitude control method, and aims at solving a problem of perturbation generated by plate flexible vibration and antenna rotation and a problem of enhancement of steady state precision and stability of existing attitude control methods. According to the method, a flexible satellite attitude kinetic model is established firstly according to a spacecraft, and then a model formula is processed; a sliding mode attitude controller (which is expressed in the specification) based on a backstepping method is designed; then an RBF neural network approach (eta+htau)sgn(sigma) is adopted; the controller (which is expressed in the specification) is designed; and finally a complete attitude controller (which is expressed in the specification) is obtained. A three-axis attitude controller is designed respectively according to the aforementioned process. The flexible satellite neural network backstepping sliding mode attitude control method is suitable for the field of flexible spacecraft attitude control.

In the present invention, the fine particle composite process is carried out with the step of reacting fine core particles and a raw material for coating layer by mixing them and continuously supplying a resulting mixture into a micro flow path. The micro flow path is specified to 1-4000 in Reynolds number. With this arrangement, the present invention ensures, in a technology using a reactor having a micro flow path, accurate control of reaction condition, uniformity of coating amount distribution, easy layer formation, and successive production of fine composite particles.

A fuel injector for use in an internal combustion engine, comprising a nozzle body being provided with a nozzle bore and at least one set of one or more outlets for fluid, an outer valve member received within the nozzle bore and being engageable with a first seating region of the nozzle body to control the flow of a first fluid from a first delivery chamber, the outer valve member being provided with an outer valve bore, and an inner valve member received within the outer valve bore and being engageable with a second seating region of the nozzle body to control the flow of a second fluid from a second delivery chamber. In various embodiments, the fuel injector can be arranged to allow the first and second fluids to be injected separately and/or together. In one embodiment, the first and second fluids can be mixed within the injector before injection.

The invention discloses a temperature compensation method of an output torque of a permanent magnet synchronous motor for a vehicle based on a neural network. The method aims at the influence of temperature on stator resistance and a permanent magnetic flux linkage and comprises the following steps: building a neural network model for describing non-linear coupling action of the temperature on multiple parameters of a vehicle-mounted permanent magnet synchronous motor; and based on the built neural network model, designing a temperature compensator on the output torque, so that the motor can be effectively and continuously controlled and an ideal and smooth output torque is obtained. The method disclosed by the invention has the advantages that a temperature compensation control system is adopted, the controller regulates the control quantity according to different motor temperatures, and then real-time control is carried out on the motor, so that the smooth output torque is obtained, and the operation difficulty of a technician is lowered; and the voltage control quantity does not need to be adjusted according to an efficiency map in real time and can be adjusted in real time according to the continuous change of the temperature, so that the control precision is greatly improved.

The invention discloses an intelligent driving local track fault tolerance planning method based on lane lines and GPS following. The method includes steps: firstly initializing a following mode and establishing an intelligent driving vehicle coordinate system; secondly discriminating the recognition states of GPS data and the lane lines according to GPS and lane line information; then calculating a fault tolerance deviation according to the discriminated recognition states, and updating the following mode; and finally performing local path and track planning based on the new following mode. According to the method, the validity of various data is determined, the accuracy of subsequent calculation is improved, the fault tolerance deviation is designed based on various data states, the fault tolerance deviation is dynamically updated in real time, the system complexity is simplified, the practical application is easy, and the robustness of data processing is improved; and real-time state transition of the following mode is performed according to multi-sensing data including the GPS and the lane lines, continuous and smooth control of multiple following states is realized, and the comfort and the stability of intelligent-driving vehicles are improved.

A control device for an electric power steering apparatus has a motor which applies a steering assist force and a driving control device which drives the motor, the driving control device has a gate driving circuit which drives a motor driving bridge circuit based on a command from a computer, the power supply portion of the gate driving circuit has a voltage limit unit, and there is provided with a function of driving the lower side driving elements of the motor driving bridge circuit when the voltage limit unit detects the abnormally high voltage of the power supply voltage.

A growing room for providing a controlled growing environment comprises a thermally insulated, light-transmissive inner enclosure (8) for containing the controlled growing environment (4). The inner enclosure 8 encloses, in use, a controlled atmosphere for the controlled growing environment (4). A light-transmissive outer enclosure 6 surrounds the inner enclosure (8) and is arranged to protect the inner enclosure (8) from the external environment, in use. A ventilated cavity (10) is defined between the out er enclosure (6) and inner enclosure (8). The outer enclosure (6) has at least one lower ventilation opening (11) and at least one upper ventilation opening (12) for allowing controlled ventilation of the ventilated cavity (10). A radiation control layer is located in the ventilated cavity (10) between the outer enclosure (6) and the inner enclosure (8) and is arranged to provide controlled absorption of incident solar radiation, whereby to control the level of solar radiation within the controlled growing environment (4).