47results about How to "Addressing Low Power Requirements" patented technology

The invention relates to an ignition system for the ignition of fuel in a vehicle engine by means of a corona discharge, comprising a voltage converter which has an input side for connection to a voltage source, and an output side, and an electric oscillating circuit connected to the secondary side for HF excitation of an ignition electrode. According to the invention, by an energy accumulator for charging from the electrical system of a vehicle, the energy accumulator being connected to the input side of the voltage converter to even out the electrical system load. The invention furthermore relates to a method according to the invention for the ignition of fuel.

A method is disclosed for controlling an internal combustion engine in a vehicle powertrain. A filtered driver demand for torque at vehicle traction wheels is used to determine an engine torque command. The engine torque command is initialized to a percentage of a target engine torque as a function of variables that may include a smoothness factor.

A heat exchanger comprising a plurality of heat transfer modules disposed side by side so as to define a multilayer body of the heat exchanger. Each heat transfer module has at least one heat transfer medium channel configured to allow a flow of a heat-carrying medium therethrough. At least one portion of the multilayer body of the heat exchanger has a curvature configured to allow the heat exchanger to be used as a curved outer skin section of a craft. Adjacent heat transfer modules of the at least one portion of the multilayer body are arranged with a tilt angle of their central axes towards each other such that each heat transfer module is aligned towards the center of a local osculating circle defined by an outer surface of the heat exchanger.

The invention relates to a fault diagnosis device based on a WIA-PA wireless vibration instrument. An industrial Ethernet is connected with an upper computer, a server and a wireless gateway; and the wireless gateway is in wireless communication with the wireless vibration instrument arranged on industrial equipment. The method comprises the following steps: the wireless vibration instrument is connected to a WIA wireless network; if the wireless vibration instrument is used for the first time, the upper computer sets diagnosis process parameters and sends down the diagnosis process parameters, and the wireless vibration instrument keeps the diagnosis process parameters; if the wireless vibration instrument is not used for the first time, the wireless vibration instrument judges whether run time reaches a data acquisition refresh period of itself; if the run time does not reach the data acquisition refresh period, the diagnosis is terminated; if the run time reaches the data acquisition refresh period, the wireless vibration instrument is started to finish the operation; the upper computer receives the processed data and gives terminating command; and the data is uploaded to a database for fault analysis. The fault diagnosis device and method can meet the low power consumption requirement of the self-powered wireless instrument, and thus the work life of the battery of the instrument is improved.

The invention relates to a method for controlling the driving engine (M) and hydraulic pumps (PUMP1, PUMP2) of a hydraulic machine (10), the method comprising: —driving at least one hydraulic variable displacement pump (PUMP1, PUMP2) that supplies pressurized medium to the hydraulic system of the machine by the driving engine (M), —determining the working pressure pi, p2) and volume flow (Qip, Q2p) output from at least one hydraulic pump (PUMP1, PUMP2), —determining the torque (T-ip, T2p) required of at least one hydraulic pump (PUMP1, PUMP2) or the total torque (Tpk0k) required by two or more hydrau¬lic pumps (PUMP1, PUMP2) by means of the working pressure (p-i, p2) and volume flow (Qip, Q2p) of pressurized medium output from at least one hydraulic pump (PUMP1, PUMP2), as well as the rotation speed (i) of the driving engine (M); —controlling the rotation speed (i) of the driving engine (M) and the dis¬placement (V1p, V2p) of at least one hydraulic pump (PUMP1, PUMP2) auto¬matically so that the torque (Td, Tdeff) produced by the driving engine approaches the torque (Tip, T2p) required by at least one hydraulic pump (PUMP1, PUMP2) driven by the driving engine (M), or the total torque (Tpk0k) of two or more hydraulic pumps (PUMP1, PUMP2) in such a way that the volume flow (Q1p, Q2p) produced by at least one hydraulic pump (PUMP1, PUMP2) will remain unchanged. The invention also relates to a system for controlling the driving engine (M) and hydraulic pumps (PUMP1, PUMP2) of a hydraulic machine (10), as well as a pile driving rig comprising the system according to the invention.

A thermoanalytical instrument, and especially a differential scanning calorimeter, has first and second measurement positions, a heater and a temperature sensor associated with each of the measurement positions, and a controller. The controller, which has an associated means for setting a predetermined temperature program, controls a heating power of the first heater to cause the temperature measured at the first position to follow the temperature program. The controller also controls both heaters to eliminate any temperature difference between the measured first and second temperatures. The controller also provides a means for determining the lower of the measured first and second measured temperatures and applies additional power to the heater associated with that lower measured temperature.

A drive apparatus with at least one synchronous motor, a converter and a mechanical energy buffer able to be fed from an energy supply network, which, for converting mechanical energy into electrical current, includes a first asynchronous machine, and a method of operation for such a drive apparatus are specified, with which or in which the energy buffer, especially its first asynchronous machine is directly electrically connected via a switchover device to the at least one synchronous motor, so that the converter included in the drive apparatus is bypassed for such a switch position of the switchover device and the converter accordingly does not have to be designed for currents which flow in such a switch position of the switchover device.

A power control device of an electric tool has a control or regulating device for adjusting a power output to an electric motor of the electric tool by means of a pulse width modulation, and a frequency transmitter that varies a frequency of the pulse width modulation in dependence on a required power output; also a method for power control in an electric tool, as well as an electric tool with a power control device are provided as well.

Dryer/cooler (2) for oil bearing vegetable matter meal is provided wherein the dryer/cooler (2) has a cooling zone (22) and a drying zone (24) separated by a double bottom air plenum (28). The first surface (100) of the air plenum comprises a plurality of countersink bores (102) each receiving a slotted disc member (104) therein to provide open communication between the air plenum (26, 28) and one of the cooling or drying zones (22, 24).

The invention provides a tandem type hybrid electric vehicle energy management method and device and a hybrid electric vehicle for a tandem type hybrid power system. By means of the characteristics ofa power battery, an engine can be promoted to avoid a high-oil-consumption and high-emission area and only work in an efficient working area; and efficient cleaning of the hybrid power assembly is realized under the condition of considering power, economy and emission performance. The method comprises the following steps: collecting the whole vehicle demand power of a vehicle at the current moment and the state of charge (SOC) of a battery; comparing the required power of the whole vehicle with each power in an engine working MAP to obtain a first comparison result; comparing the SOC of the battery with a state of charge upper limit value SOC_high and a state of charge lower limit value SOC_low corresponding to the economic working area of the engine to obtain a second comparison result;according to the first comparison result and the second comparison result, dividing the working modes of the power assembly of the vehicle; and controlling each power assembly of the vehicle to work according to the divided working modes.

The invention discloses a powersplit hybrid powertrain with overdrive clutch.A hybrid vehicle powertrain includes an internal combustion engine, first and second electric machines, traction wheels, and an output shaft having meshing gears configured to establish a final drive ratio between the output shaft and the traction wheels. The powertrain additionally includes a first mechanical linkage and a second mechanical linkage. The first mechanical linkage is configured to selectively transmit engine torque to the fraction wheels and selectively transmit electric machine torque to the traction wheels. The second mechanical linkage is configured to selectively transmit engine torque to the traction wheels. When transmitting engine torque to the wheels, the second mechanical linkage defines a fixed overdrive speed relationship between the engine and the fraction wheels.

The present invention discloses an electric drive train comprising: a rotor or propeller shaft (R), an electric motor assembly (GEMD) configured to drive the rotor or propeller shaft (R), the electric motor assembly (GEMD) comprising a plurality of stacked electric motor elements (Ee1, Ee2, Ee3, Ee4), a power branch of a first topology feeding a stacked electric motor element (Ee1) of the electric motor assembly (GEMD), said power branch (b1) comprising a RESS and an electric generator (G) supplying a power signal to said power branch (b1), a power branch (b3) of a second topology dissimilar from the first topology, said power branch feeding another stacked electric motor element of the electric motor assembly (GEMD), said power branch (b3) comprising: # an electric generator (G) supplying a power signal to said power branch, a matrix converter (Mc3) feeding the another stacked electric motor element (Ee3), # or, an electric generator supplying Direct Current to said power branch and a motor controller feeding the second stacked electric motor element (Ee3).

The invention discloses an installation method of a water-cooling electric induction module installed on a printed wiring board and application thereof. The water-cooling electric induction module comprises a pedestal and an upper cover which are oppositely arranged and correspondingly fastened to form a hollow cavity, as well as a resin potting inductor arranged in the hollow cavity, end covers arranged at two ends of the hollow cavity and a water-cooling pipe, wherein two ends of the resin potting inductor are respectively provided with inductance outgoing lines which are pierced out of thehollow cavity, two sides of the pedestal are integrally and symmetrically provided with U-shaped grooves with upward openings, and the water-cooling pipe is fixedly arranged in the U-shaped grooves. The water-cooling electric induction module is used for integrating together the inductor, the water-cooling pipe and a cooling fin, and good heat dissipation efficiency is guaranteed when the volume of the water-cooling electric induction module is shrunk; the water-cooling electric induction module can be installed on the printed wiring board (PCB), thereby meeting the usage requirement of high power density power electronic conversion equipment; a main body is divided into two parts, i.e., a pedestal and an upper cover, the disassembly and assembly are convenient, and the resin potting inductor is convenient to maintain and replace; during use, the use of multiple water-cooling electric induction modules connected in series can be realized, thereby meeting requirement of high power.

The invention relates to a marine gas machine high pressure-stable pressure injection system and a control method. According to the adopted technical scheme, a manual stop valve, a double-stop ventilation valve assembly, a filter, a pressure regulating valve, a double-layer wall gas rail, a purging electromagnetic valve, a gas injection valve, a gas nozzle, an air cylinder, a matched pipeline and a plurality of sensors; and the double-stop ventilation valve assembly comprises a main gas fuel valve, an automatic stop valve and an automatic ventilation valve, and is used for being matched for adjusting and controlling the pressure of the high-pressure gas. The marine gas machine high pressure-stable pressure injection system has the beneficial effects that the dynamic responsiveness of an engine is improved, the average molar stable value of methane in mixed gas is improved through high-pressure gas injection, the lean-burn upper limit of the engine is further improved, and pollutant emission is reduced. The high-power requirement can be met by adopting high-pressure gas injection and matching with the small-specification gas injection valve, and by adopting stable-pressure injection, the supply pressure consistency before each injection valve is ensured, the combustion consistency of each cylinder and the air-fuel ratio control accuracy of each cylinder are improved, and fire and knocking of a single cylinder are avoided.

A radar circuit for use with a vehicle or other host system includes a radio frequency (RF) signal generator, an RF antenna connected to the signal generator configured to transmit an RF waveform toward a radar target and receive a radar return signature reflected therefrom, and an analog-to-digital converter (ADC) in communication with the antenna and having a different sampling frequencies. The ADC may have multiple channels outputting sampled radar return signature data at the different sampling frequencies. An ECU is in communication with the ADC to receive the sampled radar return signature data from the ADC, generate a set of range hypotheses describing a possible range from the host system to the radar target, select a correct range hypothesis, and execute a control action using the correct range hypothesis. The correct range hypothesis corresponds to a true range to the radar target.

The invention aims to provide a power supply sequential circuit and a power supply method. The power supply sequential circuit of a time sequence device comprises a detection circuit, a conversion circuit and a normal circuit; the detection circuit is used for switching a circuit for supplying power to the time sequence device, so that the power supply sequential circuit supplies power to the timesequence device through the conversion circuit if an abnormal condition occurs, and if the abnormal condition does not occur, the power supply sequential circuit supplies power to the time sequence device through the normal circuit; and the conversion circuit is used for converting a power end voltage of the time sequence device into an input end voltage of a load point power supply to supply power to the time sequence device. The power supply sequential circuit has the advantages that: the voltage of a control end or an auxiliary power supply of the time sequence device can be effectively ensured to be powered on earlier than a power end and powered off later than the power end, and devices are prevented from being damaged; the power supply sequential circuit can be suitable for variousdevices or modules with time sequence requirements, and can meet the high-power requirements of 5G communication for wireless products.

In a magnetic resonance imaging method and apparatus, a double echo sequence having a gradient echo and a spin echo is implemented with a flow compensation for the gradient echo in at least one direction. The flow compensation gives the double echo sequence an insensitivity to flow phenomena.