66results about How to "High cost of control" patented technology

In a motor, a stationary member is provided with a number M (M is a positive integer) of first poles within 360 electrical degrees at spaces therebetween. A plurality of windings are at least partly wound in the spaces, respectively. A movable member is movably arranged relative to the stationary member and provided with a number K (K is a positive integer) of second poles. The number K of second poles is different from the number M of first poles. A unidirectional current supply unit supplies a unidirectional current to at least one of the windings so as to create an attractive force between at least one of the first poles and a corresponding at least one of the second poles to thereby move the movable member relative to the stationary member.

An equipment overload successive approximation adaptive control method based on centralized real-time decisions is provided. The method estimates in real time permissible current for long-term running of equipment and continuous running time according to current and temperature actual measurement information of the equipment. Control modes are decided according to the continuous running time of the equipment instead of current. On the basis of mixed integer nonlinear programming algorithm, a target function which aims to control the total cost and minimize comprehensive indexes of proportions of load control quantities of different regions is adopted, discreteness and cost of a control measure are taken into consideration, flow restraint of an electric system is measured, a centralized optimization decision and successive approximation control strategy are adopted, coordination to real-time scheduling operation control and emergency control for overload of equipment of the electric system is realized.

A combustion chamber of a combustion system has a combustion space, a support structure, a support element, and a heat shield. The heat shield has at least two segments, and each segment includes a liner element facing the combustion space and has an edge region, a gap communicating with the combustion space being formed between edge regions of adjacent segments, and a retaining device. The retaining device fixes the respective liner element on the support structure via the support element and forms a flange region that fits over the edge region of the respective liner element. The retaining device forms a first cooling passage with the support element and has at least one through-opening in the flange region. A cooling gas flows through the through.opening from the first cooling passage to the edge region.

The invention concerns an aerating device for a water filtering system with immersed membranes (9) designed to be installed substantially beneath said membranes (9). The invention is characterized in that it comprises a floor (1) separating an upper chamber wherein said membranes are immersed and a lower chamber comprising means for feeding a liquid to be treated and means for feeding an aerating gas, said floor being provided with plural strainers (2) and with at least one system (5) for balancing pressures between said upper and lower chambers, and in that each strainer (2) includes a substantially tubular element (13) passing through said floor and having in its upper part at least one orifice (4), and an air chamber forming element (3) mounted atop said upper part.

The invention discloses an assembled half-exposed framework high-pressure seal ring, which not only can seal in a rotating way, but also can seal in a reciprocating way. The seal ring includes a rubber body with a sealing lip, a metal framework vulcanized in the rubber, and a half-exposed framework, a pressure bearing ring taking a metal or non-metal composite material and a spring that are assembled on the rubber body. The half-exposed framework, the composite material pressure bearing ring and the rubber body of the seal ring are designed in an assembling way; and the composite material pressure bearing ring is arranged between the half-exposed framework and the sealing lip, and the pressure bearing ring bears a large amount of working pressure. The assembled half-exposed framework high-pressure seal ring has extremely high high-pressure resistance, outstanding and stable extrusion resistance, excellent heat dissipation and friction lubricating property, good eccentricity adaptability, extremely long service life, simple process, and efficient and stable machining.

A capacitive occupant detection system comprises at least one antenna electrode to be arranged in a seat and an evaluation unit operatively coupled to said at least one antenna electrode, said evaluation unit being configured for applying, during operation, an alternating voltage signal to said antenna electrode and for detecting an amplitude and/or phase of a displacement current flowing from said antenna electrode towards ground. According to the invention said antenna electrode comprises an antenna electrode conductor and at least one dedicated ground electrode, said ground electrode being arranged at a predetermined distance of said antenna electrode conductor and extending along said antenna electrode conductor.

The invention relates to an aluminum alloy material for manufacturing a lead wire. The aluminum alloy material comprises the following components in percentage by weight: 0.2%-0.8% of Fe, 0.01%-0.05% of Zr, 0.08%-2.5% of Si, 0.01%-0.35% of Mg, 0.02%-0.06% of Ni and the balance of aluminum and inevitable impurities.

A method and apparatus are provided for the display of extended roaming messages to a user of a WWAN device. The method includes the steps of retrieving a list of one or more available wireless networks, loading a roaming rule list which contains an ordered list of records, matching each of the available networks against said roaming rule list, selecting a roaming message for at least one match and, and displaying at least one roaming message to the end user.

A solar comprehensive heating system capable of supplying heat and hot water integrally for a house comprises a vacuum tube solar collector, a collector water inlet pipe, a collector water outlet pipe, a heat storage pipeline, a heat exchanger, a domestic hot water pipe and a hot water use terminal. The collector water inlet pipe and the collector water outlet pipe are communicated with the solar collector. The collector water outlet pipe is communicated with the heat storage pipeline and is part of the heat storage pipeline. The heat storage pipeline is communicated with the collector water inlet pipe through connecting water pipes provides with switch valves. The collector water inlet pipe and the heat storage pipeline are connected with a low temperature radiation heating manifold through heating pipes so as to form water circulation. Water circulation between the vacuum tube solar collector and municipal heating hot water pipes are formed by the aid of the collector water inlet pipe and the heat storage pipeline. The solar comprehensive heating system is simple in structure, low in manufacture and maintenance cost, and low in maintenance difficulty.

The invention provides a motor shell of a new-energy vehicle,a sand core,a mold and a motor shell processing method,and relates to the technical field of motor shell casting. The motor shell comprisesa cylindrical main body,and a water channel is formed in the side wall of the main body; the water channel comprises multiple annular passages and connecting passages,the multiple annular passages are arranged at intervals in the depth direction of the main body,the connecting passages are connected between any two adjacent annular passages,and the connecting passages are used for making any twoadjacent annular passages communicated. By using the integrated sand core,in the die-cast formation process,the integrated water channel can be formed,welding or other combination modes are avoided,therefore,the sealing property is improved,and the water leakage problem can be solved. The integrated water channel exists in the inner wall of the main body,one-step molding is only needed for processing,and the production cost is low; the shell water channel is good in sealing property; the water circulation cooling effect is good,and reliability is high.

There can be obtained a fuel injection control device for an internal combustion engine capable of reliably preventing fuel from leaking from an injection nozzle while the engine is stopped. Contains various sensors (5), (6), (14), (15) for detecting operating conditions, fuel pump (24) and fuel piping (22) for supplying fuel in the fuel tank (23), and nozzles for injecting fuel (8) An engine stop detecting device (17) for detecting a stopped state of the internal combustion engine (1), a fuel temperature estimating device (17) for estimating a fuel temperature, a fuel pressure reducing device (17) for reducing a fuel pressure, the fuel pressure reducing device is After the internal combustion engine stops, the fuel pressure in the fuel pipe (22) is reduced according to the fuel temperature estimation value of the fuel temperature estimation device.

The invention discloses a material access system and a control method, comprising a shelf system and a material retrieving system arranged in a warehouse, the shelf system including a cargo location controller, and a storage device connected to the cargo location controller , the storage device is provided with an encoding unit, and the reclaiming system includes a reclaiming car, a retrieving piece arranged on the reclaiming car, and a control device arranged on the reclaiming car and electrically connected and a scanning device, the manipulation device is electrically connected to the cargo position controller, and the scanning device cooperates with the coding part. Through the above-mentioned material access system, the production capacity and cost control of the production workshop can be effectively improved and enhanced, the work efficiency is high, the system structure is simple and easy to operate.

Embodiments of the present disclosure disclose a method and an apparatus for operating a control system, a storage medium, and an electronic apparatus. The method includes: obtaining, by using a target recording device in a control system, first image information of a target object moving in a real scene; obtaining a first distance corresponding to the first image information, the first distance being a distance between the target recording device and the target object; and adjusting a target parameter of the control system according to the first distance, the target parameter being used for outputting media information to a virtual reality (VR) device, the VR device being connected to the control system, the media information being corresponding to movement information of the target object moving in the real scene, and the movement information comprising the first distance.

The invention discloses an unmanned aerial vehicle rotor structure and an unmanned aerial vehicle are disclose, the rotor structure of the unmanned aerial vehicle comprises a cross plate connecting assembly, a power connecting rod assembly and a rotor assembly, wherein, the cross plate connecting assembly comprises a cross tilting plate, an articulated bearing and a bracket, an outer ring of the articulated bearing is embedded in the bracket, and the articulated bearing is fixedly connected with the inner ring of the articulated bearing; the output end of the power connecting rod assembly is rotatably connected with the cross tilting plate; the rotor assembly comprises a main rotor and a driving device, wherein the driving device is used for driving the main rotor to rotate, and the driving device is arranged on a cross tilt plate; as for that rotor structure of the unmanned aerial vehicle, only one power connecting rod assembly is required to realize the reciprocating swing of the cross tilt plate in one direction, the rotor structure and control logic can be simplified, which helps to control the cost and reduce the failure rate.

The invention discloses a vacuum pressure impregnation system, comprising: a pressure impregnation tank, a circulating water tank, a liquid medicine pool, a centrifugal pump, a vacuum pump, a pressure pump, a suction and discharge valve, a partial pressure pump, a pressure gauge, a vacuum gauge, and a press; The circulating water tank is fixedly connected to the centrifugal pump and the vacuum pump, the centrifugal pump is connected to the empty pump, the centrifugal pump is connected to the vacuum gauge, the vacuum gauge is connected to the pressure gauge, the pressure gauge is connected to the pressure dipping tank, and the pressure gauge is connected to the press machine. The partial pressure pump is fixedly connected to the pressure dipping tank, and the partial pressure pump is fixedly connected to the liquid medicine pool; the pressure dipping tank is fixedly connected to the booster pump, and the booster pump is fixedly connected to the liquid medicine pool. Pool fixed connection. The vacuum pressure impregnation of the present invention can not only make the modifying agent enter the deeper part of the material in a short time, but also can use the size of the pressure and vacuum to adjust the entering depth and amount, adapt to different requirements of material property changes, and improve processing efficiency and control costs.

The invention discloses an injection mould and a mould opening method thereof. The mould opening method includes the steps that a part template to be subjected to injection moulding is manufactured, a part to be subjected to injection moulding is divided into at least two portions according to different shrinkage amounts, reserved shrinkage amounts are set on the portions with the large shrinkage amounts, and the at least two portions are in transition connection in sequence; and a mould cavity is manufactured according to the part template to be subjected to injection moulding. In the mould opening method mentioned above, differences between the shrinkage amounts of all the portions of the part to be subjected to injection moulding are taken into consideration, the part to be subjected to injection moulding is divided into the at least two portions, and in other words, the portions with the large shrinkage amounts are separated from the portion with the small shrinkage amount. When the template is manufactured, the reserved shrinkage amounts are set on the portions with the large shrinkage amounts, then, the portions with the large shrinkage amounts are in transition connection with the other portion in sequence, and therefore in the cooling shrinkage process, all the portions gradually tend to be consistent, in this way, it can be effectively ensured that injection moulding meets the design requirement, meanwhile, the appearance quality effect can be ensured, mould repair does not need to be repeatedly conducted in the production process, and cost control is facilitated.

The invention discloses a lock catch reinforcing plate which comprises a body. The appearance of the body is trapezoid, the middle portion of the body is concaved inwards, protruding reinforcing ribs are arranged on the body, and a reinforcing plate body is welded to the back face of the body. The lock catch reinforcing plate is simple in structure and reasonable in design, the reinforcing ribs are additionally arranged, and the reinforcing plate body is welded to the back face of the body, so that the strength of parts is better improved; meanwhile, the process requirement for the body is lowered, the rate of finished products is improved, the control cost is lowered, the processing operability is increased, the quality is guaranteed better, the cost of the parts can be lowered better, and the quality of the parts is improved.

The invention provides a construction engineering process control and project management system, and belongs to the technical field of a construction engineering management system. The construction engineering process control and management system comprises terminal equipment, a data caching server and a main server which interacts information with the terminal equipment through the network, wherein the terminal equipment includes a sub-communication device, an information acquisition module, a bill output module and an information processing device; the sub-communication device, the information acquisition module and the bill output module are connected with the information processing device; the main server includes a chart output module, a storage device, a retrieval device, a main communication device and an analysis computer; the chart output module, the storage device, the retrieval device and the main communication device are connected with the analysis computer; and the structure of the data caching server is the same as that of the main server, and the data caching server is in real-time connection with the terminal equipment and is in real-time synchronization with the main server. The construction engineering process control and management system has the technical advantages of high link response speed, visual output chart, convenient information acquisition and highsecurity performance.

The invention discloses a packaging structure and a forming method thereof. The packaging structure comprises a wafer which comprises a chip region and a peripheral region which surrounds the chip region; a first wiring layer distributed on the wafer of the chip region in a discrete manner; an upper passivation layer covering the top and the side wall of the first wiring layer and extending to thewafer; and an isolation layer located on the upper passivation layer, arranged on the chip region and extending to a part of the peripheral region, wherein an isolation groove surrounding the chip region is formed in the isolation layer on the peripheral region, and the isolation groove penetrates through a part of the thickness of the isolation layer. The isolation groove can block the conduction of the internal stress action of the isolation layer to realize the release of the internal stress action of the isolation layer, thereby reducing the cracking probability of the upper passivation layer, reducing the occurrence of the exposure phenomenon of the first wiring layer, and improving the performance of the packaging structure.