42results about How to "Save control resources" patented technology

The invention discloses an intelligent home network system, a control device and a control method. The system comprises a plurality of different wireless terminals and a home control device, wherein the wireless terminals transmit various wireless access request signals to the home control device respectively; and the home control device correspondingly sets matched access parameters for the different wireless terminals, receives the wireless access request signals according to the configured access parameters, resolves and processes the signals to obtain corresponding data, simultaneously analyzes and judges the data and converts the processed data into corresponding real-time monitoring information for storage. The intelligent home network system, the control device and the control method have the advantages of solving problems on the simultaneous access of the intelligent home network system by the wireless signals adopting different transport protocols and bringing great convenience to integrated management on the diversified wireless terminal products in the market so as to promote the development of wireless terminal product technology.

The invention discloses a method and device for data transmission, relates to the field of electronic equipment application and aims at saving system control resources and improving data transmission efficiency. The method for the data transmission comprises the steps that a source device receives data guide-in indication of a user; the source device conducts guide-in selection on original data so as to obtain target data; the source device sends target data to a target device, so that the target device can conduct classification processing on the target data according to the attribute of the target data. The method and device for the data transmission are mainly used in the data guide-in process between electronic equipment.

Disclosed are a method for sending and receiving downlink control channel, and corresponding device thereof. The method for sending downlink control channel includes the following steps: network side device sends the downlink control channel to Machine Type Communication (MTC) device, wherein, the downlink control channels sent to MTC device do not contain Physical Control Format Indicator Channel (PCFICH), said network side device predetermines Orthogonal Frequency Division Multiplexing (OFDM) symbol occupied by Physical Downlink Control Channel (PDCCH) with the MTC device, or said network side device notifies OFDM symbol occupied by PDCCH to the MTC device by broadcasting a system message to the MTC device. The solution in the present invention provides the design scheme of downlink control channel applied in MTC technology.

The invention provides an intelligent home control method, device and system. The method comprises: a control message that is forwarded by a rich communication suite (RCS) and is from a mobile terminal is received, wherein the control message is used for indicating at least one household appliance to execute a corresponding operation; according to a pre-stored household appliance list, the control message is parsed to obtain a control instruction corresponding to the at least one household appliance; and the control instruction is sent to the at least one household appliance. Therefore, a problem that compatibility of intelligent household control systems can not be realized because of multiple APPs pushed for intelligent household controlling by multiple manufacturers and thus control resources are wasted can be solved; and thus effects of control resource saving and control efficiency improvement are realized.

The present invention provides a drafting controlling method for the drafting system (5) of the textile machinery (1), wherein, for the continuous fragments (AB1, ellipsis, ABn-2, ABn-1, ABn) of the fiber strip (FGzu) of the inputting drafting system (5), the feeding sensor unit (4) at the upriver of the drafting system (5) gets the measured value (MLM1, ellipsis, MLMn-2, MLMn-1, MLMn) of weight at unit length of each fragment; to regulate the weight at unit length of the inputting fiber strip (FGzu) when the fragment (AB1) which is relative to a certain measured value (MLM1) reaches a control action point (REP) assigned by the appointed control value (MLM1), it will do controlling and regulation to the drafting (V) of the drafting system (5) on the basis of the measured value (MLM1); it modifies the appointed value (RP) used to control the action point (REP) in the making process of the textile machinery (1), wherein, the appointed value (RP) is from the predefined setting value (ERP) and corrected value (delta RP), at the same time the corrected value (delta RP) is confirmed by the values (MEG, GM, GM', SEG) relative to the feeding velocity (EG) of the fiber strip (FGzu) of the inputting drafting system (5) and the values (MLG, SLG) relative to the outputting velocity (LG) of the fiber strip (FGab) of the outputting drafting system (5). The invention also provides a textile machinery.

The invention discloses a control system and method of a series DC motor. The control system comprises a communication unit, a speed acquisition unit, a control unit and a driving unit, wherein the communication unit is used for sending received control information to the control unit of the control system and is also used for sending the control information and state information of a DC motor corresponding to the control system to at least one control system which is connected in series, the speed acquisition unit is connected with the DC motor and is used for acquiring rotational speed information of the DC motor, the rotational speed information comprises a pulse output parameter of the DC motor, the control unit is used for generating a rotational speed regulation parameter according to the control information and the rotational speed information, and the driving unit is connected with the control unit and the DC motor and is used for adjusting a driving voltage according to the rotational speed regulation parameter. By the control system, the technical problem of large resource occupancy when a plurality of motors are needed to be controlled by the motor control system is solved.

This invention relates to a stable demagnetization method, which controls de-magnet according to the time sequence at the state when a generator is faulty: 1, at the time when an excitation regulator gets an excitation trip order from a set protection device, it starts up inversion de-magnet, 2, sending the trip order to an AC de-magnet switch and a DC de-magnet switch, 3, the excitation regulator executes the inversion to set a pulse control angle an inversion angle after delta-t1, 4, closing down the output pulse of the regulator with software or hardware after inverting for delta-t2, in which, delta-t1 is in the sphere greater than 0ms but smaller than or equal to 10ms, and delta-t2 is in the sphere greater than 4ms and smaller than or equal to 10ms, and the demagnetization methods of DC, AC, inverted and non-linear resistor energy-moving and closing pulse of thyristor are used inter-grate to realize stable demagnetization.

The invention provides a method of controlling demonstration equipment used for a guiding robot. The method comprises steps that the guiding robot is used to generate demonstration instruction information according to acquired exhibit information, and demonstration instruction information is transmitted to a controller, and comprises demonstration equipment address code identification informationand demonstration identification information; a controller is used to receive the demonstration instruction information, and is used to generate control information according to the demonstration instruction information, and then the control information comprises the demonstration equipment address code information and the demonstration information; the controller is used to transmit the control information to the demonstration equipment at the same time by a plurality of wireless communication ways; the demonstration equipment is used to receive control information, and the demonstration equipment corresponding to the demonstration equipment address code information is used for demonstration motion according to the demonstration information, and the demonstration equipment can be used toreceive the control information transmitted by two or more than two wireless communication ways. Various communication ways are integrated together, and different control requirements in a complicatedexhibition hall can be satisfied, and the method can be adapted to the environment of the complicated exhibition hall, and therefore control over all demonstration equipment is facilitated, and goodcontrol effect is provided.

The invention discloses a diverter valve integrated with a waterway switch, a waterway control method and a cleaning waterway. The diverter valve comprises a valve element, a valve seat and a rotary driving part, a plurality of water outlets communicated with water use channels are formed in the end face, making contact with the valve element, of the valve seat, water passing holes communicated with a water inlet are formed in the end face, making contact with the valve seat, of the valve element, and the rotary driving part drives the valve element to rotate relative to the valve seat; and the water outlets and the water passing holes are distributed in a circular ring with the relative rotation center as the circle center, a blocking piece used for blocking the water inlet when the valve element rotates to the set position where the water passing holes and the water outlets are not communicated is further included, and the blocking piece and the valve element rotate synchronously. The diverter valve has the advantages of being simple in structure, flexible and convenient to adjust, integrated in function and the like; the waterway control method has the advantages of being high in adjusting sensitivity, eliminating the delay phenomenon, optimizing the use feeling of a user and the like; and the cleaning waterway has the advantages of being high in stability, obvious in cost optimization and the like.

The invention provides a bi-directional balanced hybrid MMC topological structure based on a diode clamping circuit. The bi-directional balanced hybrid MMC topological structure is composed of n/2 half-bridge sub-modules, n/2 full-bridge sub-modules and n-1 additional series devices. The topology is explained by taking five-level hybrid MMC topology as an example. The topology is composed of two half-bridge-type modules, two full-bridge-type modules and three additional units. The additional unit connected between the HBSMs is the same as the additional unit connected between the HBSM and the FBSM. Each unit comprises two parallel branches. A branch circuit 1 only comprises a diode, a branch circuit 2 is formed by reversely connecting the diode and a switch in series (an IGBT and a reverse parallel diode), and the inductor is connected to a common branch circuit of the branch circuit 1 and the branch circuit 2. In the additional unit connected between the FBSMs, the branch circuit 1 and the branch circuit 2 have the same structures, and each of the branch circuit 1 and the branch circuit 2 consists of a series diode, an inductor and a switch (an IGBT and an anti-parallel diode). Compared with a traditional software voltage balance method, the topology mainly has the two advantages that firstly, a control framework is simplified, a voltage balance control link is omitted, and control resources are saved; and secondly, the number of voltage sensors is reduced, the complexity of the control system is reduced, and the communication pressure is reduced. In addition, compared with other hardware voltage balance circuits, the topology not only can realize bidirectional balance, but also reduces the number of inductors in the circuit, and effectively reduces the hardware cost.

The invention discloses a vehicle insulation resistance detection circuit, method and device, and relates to the technical field of automatic control, and the vehicle insulation resistance detection circuit comprises a switch KP, a divider resistor R1, a divider resistor R2, a divider resistor Rf, a voltage sampling resistor Rs, an insulation resistor Rp, an insulation resistor Rn and a vehicle-mounted power battery pack. The divider resistor R1, the divider resistor R2, the insulation resistor Rp, the insulation resistor Rn and the vehicle-mounted power battery pack form a Wheatstone bridge; according to the invention, the control resource of the MCU chip and the AD sampling resource of the MCU chip can be saved, devices used by the system are few, the device cost is low, the economic applicability is high, the insulation fault occurring under the working condition that the insulation resistance is seriously unbalanced is directly judged by detecting and judging the balance of the insulation resistance bridge, and the reliability of the system is improved. In the process, detection of an insulation resistance value is not needed any more, shutdown and alarm operation are directly carried out, insulation fault alarm is timely and effective, and the insulation detection process is simple and reliable.