40results about How to "Simplify Control Design" patented technology

A method for acquiring scheduling control information in a high speed grouping interface is disclosed in the present invention, comprising steps: to obtain this time scheduling control information through processing the scheduling control information acquired by one time scheduling on the uplink and downlink channels in the system according to the scheduling user service kind, and sending this time scheduling control information by the uplink and downlink channels. A base station is also disclosed in the present invention, comprising a base station acquiring scheduling control information unit, and a user terminal, comprising the terminal acquiring scheduling control information unit. The present invention leads the user applying the HSDPA or HSUPA service to be able to acquire scheduling control information without DPCH companion, reduces effectively physical resource spending brought by companion DPCH, leads the HSDPA/HSUPA speciality to be able to realize.

The present invention deals with wireless control of a lamp such as a fluorescent lamp controlled by a ballast with a wireless control interface for RF communication. The receiver input and the transmitter output of the control interface module are connected to one or more mains wires by means of (a) coupling capacitor(s) or a Lecher line transformer. During operation the one or more mains wires serve as the lamp antenna.

An LCD module applicable to various devices is disclosed. The LCD module includes a color filter substrate on which color filter patterns are arranged; a TFT substrate spaced apart from the color filter substrate at a predetermined distance and having one side on which TFT electrodes are arranged, wherein liquid crystal is filled between the color filter substrate and the TFT substrate; a first reflective plate installed outside the TFT substrate at a predetermined distance therebetween and selectively serving as a reflective plate; a second reflective plate installed outside the color filter substrate at a predetermined distance therebetween and selectively serving as a reflective plate; and a lamp installed at a side of the LCD module and emitting particular light. Accordingly, using the single LCD module, images can be displayed on both sides of the display device.

The invention discloses a voltage source inverter control method for decoupling electric current in a virtual synchronous coordinate system. The method comprises the step of conducting error PI adjustment and decoupling compensation calculation on dq axis current outputted by an inverter in a virtual synchronous rotating coordinate system, so that an AC output voltage command can be directly generated. The control method disclosed by the invention can eliminate a phase-locked loop link aiming at detecting the phase and the frequency of the rotating vector of grid voltage, and has obvious self-adaptability to frequency deviation; and furthermore, the control method can also be used for supplement and extension of a vector control method based on grid voltage orientation under the condition of deviation of voltage phase and frequency detection. According to the voltage source inverter control method, a grid voltage phase-locked loop is eliminated, the control design of a voltage source inverter is simplified, and the system computing burden and the realization complexity are reduced.

A battery module includes a plurality of battery devices, a circuit board, a control board and a bus wire. The circuit board includes a circuit layout to which a plurality of conductive sheets of the battery devices are electrically connected. The bus wire is electrically connected between the circuit layout of the circuit board and the control board

The invention relates to a generalized prediction control algorithm of a continuous stirring tank reactor system. A nonlinear model is established for the continuous stirring tank reactor system and is converted into an output prediction model based on a U model. A reference trajectory is set, the generalized prediction control of the output prediction model is carried out, and a pseudo input of the system is obtained. Then a secant method is used to carry out iterative calculation to obtain an actual input of the system. According to the generalized prediction control algorithm, the combination of the secant method and the U model is used, thus when a nonlinear equation about the actual input is solved, a derivation problem in using a Newton iterative algorithm is avoided, the computation time is reduced, at the same time the convergence rate is fast, and a nonlinear system control design problem is simplified.

A memory controller includes an address decoder and a protocol controller, where the address decoder is arranged for decoding a received signal to generate a plurality of command signals, where the plurality of signals are for accessing a plurality of banks of the memory and the protocol controller is arranged for re-scheduling an executing order of the plurality of command signals according to opening banks and pages, and for accessing the memory according to the plurality of command signals.

A ventilation device (1) for a fuel container (2) with a liquid trap (3) and a suction jet pump (8) which is provided for emptying the liquid trap (3) has a filling-level limit switch (11) for detecting the filling level of fuel in the liquid trap (3). A valve (10) which is connected to the filling-level limit switch (11) is connected upstream of the suction jet pump (8). The suction jet pump (8) is first activated by means of the valve (10) when the intended filling level of fuel in the liquid trap (3) is exceeded.

The invention provides loading and unloading equipment for oil pump housings. The loading and unloading equipment for the oil pump housings comprises a loading frame and an unloading frame, wherein aloading tray is arranged on the loading frame; an unloading tray is arranged on the unloading frame; a first positioning fixture is arranged on one side of the loading frame; a second positioning fixture is arranged on one side of the unloading frame; the first positioning fixture and the second positioning fixture are respectively used for positioning the front and the back of an oil pump housing; a clamping tool is arranged at the end part of a mechanical arm and can clamp the oil pump housing from the front or the back; a transfer frame is further arranged between the loading frame and theunloading frame; and a support seat for enabling the oil pump housing to be erected is arranged on the transfer frame. According to the loading and unloading equipment for the oil pump housings provided by the invention, the oil pump housings are automatically loaded and unloaded, the oil pump housings are turned over in the feeding process through transition by the transfer frame, and the assembly line layout and the control design are simplified, so that the production efficiency and the quality are improved, and the production cost is reduced.

The invention provides a half-bridge modular multi-level single-phase inverter and a modulation method. The half-bridge modular multi-level single-phase inverter comprises a capacitor bridge arm and amodular multi-level bridge arm, the modular multi-level bridge arm comprises a two-port sub-module and a multi-port sub-module, each of the capacitor bridge arm and the modular multilevel bridge armcomprises a direct-current positive end point, a direct-current negative end point and an alternating-current end point; the direct-current positive electrode end point of the capacitor bridge arm isconnected with the direct-current positive electrode end point of the modular multi-level bridge arm and is connected with the positive electrode of the direct-current power supply; the direct currentnegative terminal of the capacitor bridge arm is connected with the direct current negative terminal of the modular multilevel bridge arm and is connected with the negative electrode of the direct current power supply; the alternating-current endpoints of the capacitor bridge arms and the alternating-current endpoints of the modular multilevel bridge arms jointly form an alternating-current output port of the single-phase inverter. According to the novel nearest level approximation modulation strategy provided for the topology, accurate topology output can be achieved, and effective work of the system is maintained.

The invention provides a method for analyzing a bilinear control model of a distributed wind power system and a solution to the bilinear control problem of the distributed wind power system based on wavelet transformation. By means of the method, tediousness and difficulty in the direct analytical solution process of a bilinear distributed parameter system described through a partial differential equation are avoided, and the control design process of the bilinear distributed parameter system is simplified; the algorithm is simple, the calculated amount is small, the control effect is good, and a new solution to control of the bilinear distributed parameter system is put forward.

The invention provides a vehicle having an active balancing device. The vehicle includes chassis, a vehicle body, wheels and an active balancing device; two sets of the chassis are in opposite arrangement along the longitudinal axis direction of the vehicle; each chassis includes a chassis main shaft and a chassis column, the chassis main shafts are cylinder bodies extending along a direction parallel to the longitudinal axis direction of the vehicle and are provided with chassis pedestals, the chassis columns are vertically arranged on one ends of the chassis main shafts, and the vehicle bodyis connected to the chassis through the chassis pedestals; the active balancing device includes vehicle body balance driving systems matching the chassis main shafts, the vehicle body balance drivingsystems include motors, decelerators and shaft couplings; the shaft couplings are arranged on the other ends of the chassis main shafts; the decelerators are connected to the shaft couplings, and themotors are connected to the decelerators; and two sets of suspension systems are in opposite arrangement along the longitudinal axis direction of the vehicle, and are connected to the corresponding chassis and the vehicle body. The wheels and the vehicle body can be in automatic synchronous tilt, so that the vehicle can still guarantee high whole vehicle stability and security with a narrow size.

The invention provides a vehicle having an active stabilization device. A chassis is installed under a vehicle body; wheels are installed on the chassis; the chassis includes a chassis main shaft, a front chassis column and a rear chassis column; the chassis main shaft extends along a direction parallel to the longitudinal axis direction of the vehicle; the front chassis column and the rear chassis column are respectively and vertically arranged on the two ends of the chassis main shaft; the chassis main shaft is provided with at least one chassis pedestal; the vehicle body is rotatably connected to the chassis through the chassis pedestals; an active stabilization device includes a vehicle body balance driving system and two sets of suspension systems in opposite arrangement along the longitudinal axis direction of the vehicle; the vehicle body balance driving system matches the chassis main shaft to connect the vehicle body and the chassis; two wheels are installed on each set of thesuspension systems; and each set of the suspension systems is installed on the chassis and connected to the vehicle body. The wheels and the vehicle body can be in automatic synchronous tilt, so thatthe vehicle can still guarantee high whole vehicle stability and security with a narrow size.

The invention discloses a power source management architecture and a boost converter applied to the power source management architecture. The power source management architecture comprises a boost converter; the input end of the boost converter is connected with a pin VIN and a digital circuit, wherein the pin VIN is used for providing a low-voltage power source for the digital circuit, and the digital circuit is located in an SoC (system-in-chip); the output end of the boost converter is connected with the power source of a low-dropout output linear voltage regulator (LDO); and the output ofthe low-dropout output linear voltage regulator (LDO) provides a high-voltage power source for analog and radio frequency circuits. The boost converter has the advantages of high efficiency, low ripple and wide input and output range. With the power source management architecture adopted, overall power supply efficiency is improved. The power source management architecture is suitable for SoC power supply solutions under advanced processes.

The invention discloses a full-automatic electric heater for a water tank. The full-automatic electric heater comprises U-shaped electrical heating components, a controller, a protection cover, a radiating protection sleeve, a flanged connecting piece and a first temperature measuring device. The controller is mounted in the protection cover. An opening is formed in one end of the protection cover. One end of the radiating protection sleeve is connected with the opening, and the other end of the radiating protection sleeve is connected with the flanged connecting piece. The port of each U-shaped electrical heating component is connected with the flanged connecting piece. The first temperature measuring device is mounted in parallel with the U-shaped electrical heating components, and is at a certain height. The U-shaped electrical heating components and the first temperature measuring device are electrically connected with the controller. The full-automatic electric heater has the advantages of being convenient to disassemble and assemble, long in service life and compact in space.

The invention discloses a three-branch two-rotation ankle joint rehabilitation parallel robot mechanism. The ankle joint rehabilitation parallel robot mechanism comprises a movable platform, a fixed platform, two driving branch chains and an exact constraint branch chain. The two driving branch chains have the same kinematic chain structure composed of a parallelogram structure, a rotating pair and a universal hinge. The parallelogram structure comprises two rotating pairs with parallel axes and two universal hinges. The exact constraint branch chain is formed by connecting two rotating pairs with vertical axes in series. One end of a third universal hinge of the first driving branch chain is connected with the exact constraint branch chain, and one end of a sixth universal hinge of the second driving branch chain is connected with the movable platform. The speed Jacobian matrix of the parallel robot mechanism is a diagonal matrix, and the one-to-one control relation between input motion and output motion of the mechanism is achieved.

The invention relates to a novel footboard structure. The novel footboard structure comprises a skeleton, andan upper footboard and a lower footboard, which are arranged on the skeleton in parallel, wherein the upper footboard and the lower footboard are separately connected onto the skeleton in a rotating manner, the lower footboard is connected with a drive assembly driving the lower footboard to rotate, a control assembly controlling the upper footboard and the lower footboard to rotate synchronously is arranged between the lower footboard and the upper footboard, and the drive assembly is connected with a clutch. The novel footboard structure has the advantages that the skeleton is provided with the upper footboard and the lower footboard, and the upper footboard and the lower footboard are connected with the skeleton in a rotating manner, so that compared with the existing single footboard, the application range is wide; the overall attractiveness of a vehicle body can be improved due to the rotating connection; the novel footboard structure is applicable to a recreational vehicle relatively large in a lift-off distance and convenient for passengers to get on and off the vehicle; the universality is improved; by arranging the clutch, the circuit control design can be simplified, and the hand injury safety potential hazard can be effectively prevented.