790results about How to "Control operation" patented technology

A circuit in accordance with the invention includes a safety switch device coupled with, and between, a thermally activated voltage source and a primary switch. The circuit also includes a safety switch control circuit coupled with the safety switch device and a controller circuit; and a voltage generation circuit for turning on the safety switch device. The voltage generation circuit is coupled with the safety switch control circuit, the controller circuit and the safety switch device, such that the controller circuit substantially controls operation of the voltage generation circuit, the safety switch control circuit, and a primary switch circuit that includes the primary switch.

In one embodiment, a system and a method for cooling a storage device pertain to determining the temperature of the storage device and adjusting computer operation so as to reduce the temperature of the storage device if that temperature is deemed to be too high.

A dedicated hydraulic line for transmission of a signal device capable of generating one or more unique signals to one or more tools within a subterranean well. Each tool can be equipped with a reader device for receiving signals from and transmitting signals to the signal device. Each reader device can control operation of the tool associated therewith if the reader device is programmed to respond to signals received from the control device. Hydraulic fluid used to operate the tool can be conveyed via the dedicated hydraulic line or a separate hydraulic line. A separate hydraulic line can be used to reset the tool.

The invention provides a determination method used for determining the initial position of a permanent magnet motor magnetic pole by adopting an incremental encoder, relating to a control method used for precisely determining the initial position of the motor rotor within 60DEG of electric angle when an incremental encoder servo system is started; the method aims at solving the problem that the initial position of the magnetic pole can not precisely determined when the existing permanent magnetic motor adopts the incremental encoder to start. The method collects the once jumping information of Hall signals U, V and W when the rotor runs by less more than 60DEG of electric angle, utilizes the relationship between the feedback information of the incremental encoder of the system and the reverse electromotive force phase and the symmetric structural and electric relationship between the multi-polar motor to achieve the precise positioning of the magnetic pole, and converts the electric angle between the position where the jumping event occurs to Hall signals U, V and W and the Z signal position into the line-number relationship of corresponding incremental encoder, so as to control the running of the motor by pulses A and B output by the incremental encoder and plays an important role on AC servo products which require stable starting process.

A system and method for providing end user speech applications. The system is embodied in an application environment framework which exchanges messages with a target execution platform having a local call flow interpreter. A speech application comprised of a plurality of generic call flow objects is executed on the application environment framework. While the speech application executes, the application environment framework translates the generic call flow objects into platform specific call flow objects having a format recognizable by the local call flow interpreter of the target execution platform, formats the platform specific call flow objects into reply messages using a protocol recognizable by the target execution platform, and transmits the messages to the target execution platform. In this manner, a platform independent speech application effectively controls the operation of a platform dependent call flow interpreter to provide voice interaction with an end user.

The invention discloses a wireless remote PLC (Programmable Logic Controller) monitoring system comprising a host server, remote monitoring client sides, a ZigBee coordinator node, ZigBee router nodes, PLC control nodes and PLCs. The PLC control nodes are in connection and communication with the PLCs, and the host server is in communication with the remote monitoring client sides and the ZigBee coordinator node; control information of the remote monitoring client sides is transmitted to the PLC control nodes by virtue of the ZigBee coordinator node, and the remote monitoring client sides are used for receiving operation state information of the PLCs and workshop equipment, which is transmitted by virtue of the PLC control nodes; and the ZigBee coordinator node is used for controlling ZigBee wireless sensor networks, the PLC control nodes are in connection and communication with the ZigBee router nodes, and the control information or the operation state information is transmitted between the PLC control nodes and the ZigBee coordinator node by virtue of the ZigBee router nodes. The invention also discloses a method for acquiring the PLC operation information and controlling the PLCs by virtue of the monitoring system. The wireless remote PLC monitoring system can be used for flexibly controlling the PLCs and timely acquiring the control and operation state information of the PLCs and controlled targets on the basis of a wireless sensor network technology, and is simple to operate and easy to maintain and expand.

The invention provides a refrigeration anti-freezing protection control method and device for an air conditioner and the air conditioner. The control method comprises the following steps that after the air conditioner is started and is subjected to refrigeration operation, the temperature of an inner disk is acquired; whether the condition of entering an anti-freezing protection mode is met or notis judged according to the temperature of the inner disc; and if the condition of entering the anti-freezing protection mode is met, the air conditioner enters the anti-freezing protection mode, andthe operation state of an inner fan, a bypass control valve and a compressor is controlled according to the temperature of the inner disk, the exhaust temperature of the compressor of the air conditioner and a current wind gear of the inner fan of the air conditioner after the air conditioner enters the anti-freezing protection mode so as to prevent an indoor heat exchanger from freezing, whereinthe bypass control valve is arranged between the indoor heat exchanger and an outdoor heat exchanger. According to the refrigeration anti-freezing protection control method for the air conditioner, the evaporation temperature is improved through the adjustment of the air conditioner so as to achieve the defrosting purpose of an inner machine, frequent restart of the compressor is avoided, the pressure reduction and defrosting effects of the air conditioner are achieved.

The invention discloses a train operation control method, an automatic train protection (ATP) system and a China train control system 3 (CTCS-3) control unit. The train operation control method comprises: when a train is in the CTCS-3 state, receiving a running licence transmitted by a track circuit and a running licence transmitted by a radio signal; and controlling the train operation according to the running licence transmitted by the track circuit and the running licence transmitted by the radio signal. The ATP system comprisesa track circuit receiver (TCR) and the CTCS-3 control unit, wherein the TCR is used for receiving the running licence transmitted by the track circuit; and the CTCS-3 control unit is used for receiving the running licence transmitted by the track circuit through the TCR, receiving the running licence transmitted by the radio signal provided by a radio blockade center (RBC), and controlling the train operation according to the running licence transmitted by the track circuit and the running licence transmitted by the radio signal. The invention can be used for obviously the train operation safety.

The invention discloses a position detecting system for the edge of a winding-up H-shaped wheel of a wire drawing machine and a control method thereof. The method comprises the following steps that: (1) two extreme positions are calibrated; in the process that a controller adopts a motor to drive a bracket to move on a lead screw, the controller acquires distances from displacement sensors to theinner edge of the H-shaped wheel by the two displacement sensors and calibrates the two extreme positions according to the distances; angle values of encoders corresponding to the two extreme positions are acquired; and (2) the bracket is controlled to do reciprocating movement between the two extreme positions, and the controller drives the bracket to move along the lead screw by the motor, and controls the motor to rotate reversely when the bracket reaches the extreme positions, so that the purpose that the bracket moves between the two extreme positions in a reciprocating manner till the wire arranging procedure on the H-shaped wheel is finished. The position detecting system has the characteristics of high detection accuracy and easiness in implementation and the like and can effectively avoid the phenomenon of wire stacking at the edge of the H-shaped wheel.

The invention discloses an extensible intelligent home network control system, aims at ironing out defects of zigbee and Bluetooth communication distance, achieves a large coverage, and aims at adapting to communication modes at a very high popularizing rate, such as a smartphone, a tablet PC, and a home wireless gateway. WiFi is employed for communication among a control terminal, a controller and the home wireless gateway, and the operation of a plurality of household electrical appliances is controlled. The system is characterized in that the system comprises the control terminal which outputs a control instruction for controlling the household electrical appliances; the system also comprises at least one controller which is used for controlling the household electrical appliances; the controller comprises a WiFi communication module, a route module, and an extension function module; the control terminal comprises an equipment management module, a control command module, a movement detection module, a route module, and a WiFi communication module; and the control terminal and the route module of the controller operate the same route protocol.

The invention relates to a self-anti-interference starting method for a permanent magnetic synchronous motor, and belongs to the technical field of motor driving. The method comprises the steps as follows: detecting and judging the bus current and counter-electromotive force of a permanent magnetic synchronous motor inverter in real time to enable the permanent magnetic synchronous motor inverter to execute waiting, compulsive stop instruction or to be switched into a pre-start mode; setting periodic start time Tn and restart times w to enable the permanent magnetic synchronous motor to be started at a time after the periodic start time Tn, the start times of the permanent magnetic synchronous motor is less than or equal to the restart times w, and fault information is sent to the permanent magnetic synchronous motor if the start fails; and as regards an initial position detection module, exerting a series of voltage pulse with the same size and different directions to a stator winding and detecting the corresponding current of the stator winding to acquire an initial position. The starting method improves the start reliability of the permanent magnetic synchronous motor, reduces damages to the motor caused by frequent controller start, increases the angle control precision of a wireless sensor, and improves the performances of a motor control system.

The invention discloses an intelligent education system which comprises a display interactive device, a course end, a school end, a teacher end, a parent end and a server end. The server end includesa database. The course end, the school end, the teacher end and the parent end communicate with one another through the database of the server end. The course end includes a host and a course controlend. The host has a course module and a hardware control module. A class module includes a class selection module, a student information module, and a course control module. The school end includes aschool-end login module, a personnel management module, a course management module, a class management module and a setting module. The teacher end includes a message notification module and a teacherpersonal module. The parent end includes a parent message notification module and a parent personal module. The intelligent education system of the invention is particularly suitable for teaching children 3 to 6 years old, and has the advantages of convenient control operations, an excellent course display effect, a timely interactive function and multi-end interconnection.

The invention relates to a control method for controlling operation of a compressor and an associated heat pump unit. According to one aspect of the invention, the control method for controlling operation of the compressor is provided. The control method comprises the steps of: obtaining an exhaust pressure (Pd) of the compressor (1); obtaining a suction pressure (Ps) of the compressor (1); comparing the obtained exhaust pressure (Pd) and the obtained suction pressure (Ps) with a preset pressure ratio limiting value; and controlling the operation of the compressor (1) based on the pressure ratio comparing result. According to the control method, the range exceeding of the operation pressure of the compressor can be prevented, so that the compressor can be effectively protected, and the service life of the compressor is prolonged.

The invention belongs to the field of electric equipment management, and in particular relates to an electric equipment control and management method for performing double control on the power load of users under the condition that a power grid is often in overload operation. The equipment control and management method needs to arrange a control center for regulating and controlling overall situations by an independent power producer; the control center is communicated with circuit control devices of circuit branches through a communication network, and not only can receive information from the circuit control devices, but also can send certain instructions to the circuit control devices; and the instructions include modifying setup parameters of the circuit control devices, and commanding the circuit control devices to open circuits and other actions. The method can provide the control center arranged by the independent power producer to control the circuit control devices in various circuit branches of the users to integrally control the load of the power grid, and regulate and control the load of the users through intelligent type circuit control devices arranged in the circuit branches of the users.

An electric refrigerator consists of refrigerating chamber, chilling room, compressor, condenser, and throttle unit, evaporator of refrigerating chamber, evaporator of chilling room and control unit for controlling operation of compressor. It is featured as setting electronic temperature transducer on evaporator of refrigerating chamber for detecting temperature of said evaporator and controlling operation of compressor by control unit according to relation between signal detected by said transducer and the first set temperature.

The invention provides a channel big data oriented collection system and collection method. The system comprises a smart collection device which is deployed around a channel and is used for collecting data; a configuration management center module which is used for configuring the configuration information of the smart collection device; a processing center module which is used for obtaining and updating the configuration information and carrying out protocol analysis, conversion and forwarding on the collected data according to the configuration information; an instruction issuing center module which is used for carrying out instruction assembly according to protocol information of the smart collection device searched by a service system and issuing an instruction to the smart collection device in a network or short message mode, wherein the instruction assembly is realized in a factory mode; and a data life cycle monitoring center module which is used for collecting log information of a whole data collection and instruction issuing process, analyzing the log information through utilization of a big data processing technology and compressively monitoring the life cycle of the collected data.

A method of producing a functional vehicle component includes fixing a leather sheet over a surface of a vehicle component, applying a flexible electronic circuit to an A-surface of the leather sheet, and arranging a pigmented coating over the circuit. The pigmented coating inhibits or prevents the circuit from being visible through the pigmented coating. The method may include attaching an electronic element, such as a light source, a sensor, a wireless transmitter, or a switch, to the circuit. When the circuit includes a light source, the pigmented coating inhibits or prevents the light source from being visible through the pigmented coating, but light emitted by the light source is visible through the pigmented coating.

The invention discloses a nonlinear compensation and control method and system for an inductance model of a switched reluctance motor. The method comprises the steps of designing a fuzzy reasoning rule by using a torque deviation capable of reflecting errors of an SRM linear model and a change rate of the torque deviation as fuzzy reasoning input information, constructing a fuzzy compensator, andachieving the nonlinear feedforward compensation for a linear inductance model; and introducing reinforcement learning, designing a return function, and matching the return function with the fuzzy compensator to further realize nonlinear adaptive optimization compensation of the inductance model and achieve the purpose of indirectly describing strong nonlinear characteristics of the inductance. According to the invention, the dynamic quality of the control system can be effectively improved, and the SRM torque ripple is inhibited. The system can form an embedded system, avoids direct modelingof nonlinear characteristics, is small in calculation amount, and facilitates the online control of the switched reluctance motor.

Embodiments of the invention disclose a control method and device for starting applications in a service manner, a storage medium and a terminal. The method comprises the following steps of: obtainingan event for starting an application program through a starting service manner; when the event is obtained, obtaining caller information, application information of a to-be-started application process and an associated starting authority of an application program corresponding to the application process; matching a preset starting service control strategy according to the caller information, theapplication information and the associated starting authority; and allowing or forbidding starting of the application process according to the matching result, so as to effective control the operationof carrying out associated starting on the application process in the starting service manner. By adoption of the technical scheme, the conditions that systems are slower and slower during the usingand advertisements pop up at application backgrounds to influence the user operation experience can be avoided, the power consumption of the terminal is reduced and the duration time of the terminalis prolonged.

The embodiment of the invention discloses a range extender control method and device, a computer readable storage medium and a vehicle. The range extender control method comprises the following stepsof counting daily trip characteristic data; calculating predicted power consumption data and allowable power generation data of a range extender according to the daily trip characteristic data; controlling running of the range extender according to initial remaining electric quantity, the predicted power consumption data and the allowable power generation data. According to the range extender control method and device, the computer readable storage medium and the vehicle, the driving habits and daily driving conditions of a driver can be analyzed by counting the daily trip characteristic dataof the vehicle and inputting the data to an electric quantity consumption prediction model, and the power consumption condition is predicted on the basis of the driving habits and the daily driving conditions. Because the power generation capacity of the range extender is related to the speed of the vehicle, the allowable power generation condition of the range extender can be predicted, and the range extender is controlled to be started at appropriate time in combination with the acquired initial remaining electric quantity, so that an operation control strategy and related control parametersof the range extender are more reasonably optimized.

The invention provides an intelligent kitchen system, and a control method and a server thereof. The server is connected with a plurality of household appliances. The control method includes: acquiring appliance state information and indoor environment information of the household appliances, predicting living habits of users according to the appliance state information and the indoor environment information to acquire a predicted value of the living habits, comparing the predicted value of the living habits with an initial set value, and controlling operation of the household appliances according to a comparison result. By the technical scheme, inconvenience in input setting of the users can be reduced, more comfortable kitchen environment can be provided for the users, electricity waste can be reduced, and users' satisfaction on products can be improved.

A treadmill and a control method for controlling the treadmill belt thereof are provided. The treadmill includes a treadmill belt, a first sensor, an image sensor and a controller. The first sensor retrieves a light pattern or the image sensor measures the characteristic properties of the image of the user so as to control the treadmill belt. The light pattern can be generated by a signal member, which can be disposed on a side or both sides of the treadmill belt.