32results about How to "Improve load driving capability" patented technology

A circuit with a large load driving capability, which is structured by single polarity TFTs, is provided. With a capacitor (154) formed between a gate electrode and an output electrode of a TFT (152), the electric potential of the gate electrode of the TFT (152) is increased by a boot strap and normal output with respect to an input signal is obtained without amplitude attenuation of an output signal due to the TFT threshold value. In addition, a capacitor (155) formed between a gate electrode and an output electrode of a TFT (153) compensates for increasing the electric potential of the gate electrode of the TFT (152), and a larger load driving capability is obtained.

In a superconducting random access memory according to this invention, drive lines such as a word line and a bit line, and a sense line for accessing a memory cell array are each divided into a plurality of blocks and an in-block signal propagation circuit having a level-logic drive circuit and sense circuit each with high load drive capability is used for signal propagation in each of the blocks. Further, for long-distance signal propagation between the blocks, superconducting passive transmission lines formed by single flux quantum (SFQ) devices and capable of high-speed operation are used. As a result, the high-speed operation as a whole is enabled. It is possible to additionally use splitters or confluence buffers and latch circuits and, further, a binary tree structure may be adopted.

A switching power supply including an oscillator frequency tuner to enhance its load driving capability is presented. The oscillator frequency tuner includes a plurality of capacitors connected between a reference voltage output of the switching control circuit and a ground terminal, at least one bypass switch coupled across at least one of the capacitors for controlling the charging and discharging operation of the capacitor coupled therewith, and a bypass switch controller for controlling a switching state of the bypass switch. When the switching power supply is operating under a peak load condition, the bypass switch controller receives a feedback control signal and instructs the bypass switch to bypass current, and thus reducing the equivalent timing capacitance of the switching control circuit for increasing the maximum duty cycle of the switching control circuit.

The present invention discloses a device of realizing the fire-fighting bus long-distance large-current driving. The device comprises a signal obtaining module, a signal isolation device, a signal amplification module, an output signal module, a current signal detection module and a current signal amplification and feedback module. The present invention additionally provides a realization method of the device. The device and the realization method of the present invention are simple in structure, are convenient to use and achieve the purpose of the fire-fighting bus long-distance large-current driving very well, thereby effectively breaking through the technical bottleneck, and overcoming the industry problems. Moreover, the device and the realization method of the present invention both adopt the conventional circuits, devices and modules, and are simple in structure design, so that the cost is reduced greatly, the problems are solved, at the same time, the effective technical guarantee is provided for the extension and mounting of the intelligent parts and the peripheral parts, and accordingly, the device and the realization method of the present invention are suitable for being popularized and applied.

The invention discloses a high-steady-state multi-port PUF (Poly Urethane Foam) circuit comprising a decoding circuit module, a PUF circuit unit array, a sense amplifier, a selector, a latch, a time sequence control circuit module and an FIFO (First Input First Output) circuit unit, wherein the decoding circuit module is connected with the PUF circuit unit array which is connected with the sense amplifier, the sense amplifier is connected with the selector which is connected with the latch, the latch is connected with the FIFO circuit unit, and the time sequence control circuit module is respectively connected with the decoding circuit module, the PUF circuit unit array, the sense amplifier, the selector and the latch, and the PUF circuit unit array comprises at least two PUF circuit units. The high-steady-state multi-port PUF circuit has the advantages that a plurality of keys are output in one access, the frequent visit of the PUF circuit can be avoided, the time is saved, and the circuit power consumption is lowered.

The invention discloses a shift register unit and a driving method thereof, and a shift register. The shift register unit comprises a node potential controller and an output unit; the node potential controller is used for generating node potential signals on the basis of first voltage signals of a first voltage input end and second voltage signals input by a second voltage input end under the control of first clock signals input by a first clock signal end and displacement voltage signals input by a displacement signal end; and the output unit is used for generating first output signals of the shift register unit on the basis of the first voltage signals of the first voltage input end and the second voltage signals input by the second voltage input end under the control of the node voltage signals and second clock signals input by a second clock signal end. According to the scheme provided by the invention, the driving capability is high, and node voltages are stable.

The invention relates to an electro-hydraulic hybrid servo system. The electro-hydraulic hybrid servo system comprises a pusher oil cylinder unit executing specified actions, an electronic control unit used for detecting the actions and torque of the pusher oil cylinder unit in real time, and a hydraulic control unit used for controlling the oil pressure and oil circuit of the pusher oil cylinder unit. The servo system further comprises a controller used for acquiring detecting information of the electronic control unit and sending control instructions to the hydraulic control unit according to a preset program. By means of the electro-hydraulic hybrid servo system, the precision advantage of a servo motor and the high-load drive capability of a hydraulic system are combined; compared with a traditional electric servo pusher, larger drive capability can be achieved; and compared with a hydraulic servo system, low cost and maintenance cost are achieved.

The invention discloses a transistor-based charging control guide circuit for electric vehicles that meets national standards, belongs to the field of electric vehicles, and includes a power supply connection detection module, a level conversion module and a level detection module. According to the output voltage of the power supply connection detection module, the connection state of the power supply plug and the power supply socket is judged; the level conversion module uses the transistor as the main device, receives the PWM signal output by the power supply control device, and converts it into an amplitude of ±12V according to the national standard The PWM signal; the level detection module keeps the voltage peak value output by the level conversion module for the power supply control device to collect the voltage peak value and judge the connection status of the charging interface and the state of the vehicle control device accordingly. When the conditions are met, the power supply control device Powering electric vehicles. The level detection module of the present invention has the function of maintaining the voltage peak value and improving the load driving ability, and the device adopted by the present invention is low in price, saves cost and has popularization value.

The invention relates to an exchange type power supply and oscillator frequency adjuster thereof, wherein the oscillator frequency adjuster comprises a reference voltage outlet connected to a switching control circuit, a plurality of capacitors connected to an ground-engaging end, at least a by-pass switch in cross-over connection with at least a capacitor for controlling the charging and discharging operation for the capacitor connected therewith, and a by-pass switch controller for controlling the switching status of the by-pass switch.

The invention discloses an analogue switch-based electric vehicle charge control guide circuit conforming to the national standard, and belongs to the field of electric vehicles. The analogue switch-based electric vehicle charge control guide circuit comprises a power supply connection detection module, a level conversion module and a level detection module; the connection state of a power supply plug and a power supply socket is judged according to output voltage of the power supply connection detection module; with an analogue switch as a main device, the level conversion module receives a pulse-width modulation (PWM) signal output by a power supply control device and converts the PWM signal into the PWM signal of which the amplitude is + / -12V according to the national standard; the level detection module keeps the level conversion module outputting a voltage peak value, so that the power supply control device collects the voltage peak value and judges the connection state of a charge interface and the state of a vehicle control device according to the voltage peak value; and when the condition is met, the power supply control device supplies electricity to the electric vehicle. The level detection module disclosed by the invention has the effects of keeping the voltage peak value and improving the load drive ability; the adopted device is low in price; the cost is reduced; and the analogue switch-based electric vehicle charge control guide circuit has promotional value.

The invention discloses a cooperative driving and passive active braking method for a large inertia load. The method is used for a driving working condition and a braking working condition of the large inertia load. A driving working condition cooperates with a driving control system to jointly drive the load to operate through cooperative control over a positive displacement pump control closed subsystem and an inlet and outlet independent adjusting subsystem, the driving rigidity of the system is improved, and the driving capacity of the system is improved. A braking working condition positive displacement pump control closed subsystem actuator works in a pump mode, load braking energy is converted into hydraulic energy to be supplied to an inlet and outlet independent adjusting subsystem, the inlet and outlet independent adjusting subsystem achieves active control over recycled load braking energy by controlling an inlet and outlet independent adjusting flow valve according to the given load braking track and the load state fed back in real time, and therefore passive active braking for the load is achieved. Cooperative driving and passive active braking for the load are achieved, the problems that braking stability is poor and braking energy is difficult to store can be effectively solved, and the method is particularly suitable for the large inertia load working condition.