37results about How to "Reduce control unit" patented technology

A power inverter comprises at least a box-shaped housing; and a power module, a smoothing capacitor, a base plate made of a flat plate, and a rotating electric machine control circuit board arranged in order in the housing. The base plate is arranged with the fringes fixed to the inner wall surfaces of the housing, and the smoothing capacitor and rotating electric machine control circuit board are fixed.

A control system including control devices with each control device including a control unit and a display device connected with the control unit via a dedicated communication line and being capable of display corresponding to a control state of the control unit. The display device includes a communication port connected with a control unit and a communication port connected with a data processing device, and a data processing section. Further, the data transmission method includes a dedicated protocol communication transmitting data with a processing device and a common protocol communication transmitting data with another processing device. In addition, the control-host computer used in the control system includes a control unit controlling a control target and a display device.

An electronic device includes first display means that displays an image in monochrome, first control means that controls the display of the monochrome image, and interface means that is used to communicate with the first control means. When second control means that controls second display means is connected to the interface means, the first control means communicates with the second control means via the interface means.

A method for operating the electrical system of a motor vehicle having a control unit with an operating mode and an energy-saving standby mode is described. A wake-up operator control event is detected by a sensor and has an associated time interval from the preceding wake-up operator control event. The time interval is ascertained when a wake-up operator control event is detected, and the control unit is woken up or not woken up. Each wake-up operator control event has an associated switch-off indicator which is ascertained each time a wake-up operator control event is detected, and the control unit is woken up or not woken up as a function of the level of the switch-off indicator with reference to a switch-off threshold. A change in the current switch-off indicator relative to the preceding switch-off indicator is all the greater the smaller the current time interval.

The present invention particularly relates to an exhaust gas purification system abnormality diagnosing device and abnormality diagnosing method and to an exhaust gas purification system that determines the abnormality of the exhaust gas purification system without making the NOX concentration of the downstream side or the Ammonia concentration of the downstream side obviously rise. The abnormality diagnosing device includes: a sensor value detecting means that reads a sensor signal of a specified gas concentration sensor to detect a gas concentration; a limiting device controlling means which, when the gas concentration has become equal to or greater than a predetermined start-of-diagnosis threshold value or when a difference obtained by subtracting from the gas concentration an estimated NOX concentration on a downstream side of a selective reduction catalyst obtained by computation has become equal to or greater than a predetermined start-of-diagnosis threshold value, increases the quantity of ammonia capable of being adsorbed by the selective reduction catalyst by raising the pressure inside an exhaust gas passageway with a passageway area limiting device disposed on the downstream side of the selective reduction catalyst; and a determining means that determines the abnormal state on the basis of the gas concentration or the difference after the pressure inside the exhaust gas passageway has been raised.

The invention achieves a further downsizing of an actuator control unit. The actuator control unit has a control circuit controlling an actuator, and a bus bar electrically connected to the control circuit and arranged such as to be partially embedded in an inner portion of a resin case and be partially exposed to an outer portion of the resin case. It is preferable to have a projection portion extending in a wiring direction of the bus bar between two bus bars wired adjacently, having a greater height than an embedded plane of the bus bar in the resin case, and made of an insulating material.

Various methods and systems are provided for an auxiliary power unit. In one embodiment, an auxiliary power unit comprises a plurality of independent modules configured to be installed in respective different locations within a rail vehicle or other vehicle. Each module of the plurality of independent modules is configured to carry out one or more respective functions of the auxiliary power unit for providing auxiliary power in the vehicle.

A control system including control devices with each control device including a control unit and a display device connected with the control unit via a dedicated communication line and being capable of display corresponding to a control state of the control unit. The display device includes a communication port connected with a control unit and a communication port connected with a data processing device, and a data processing section. Further, the data transmission method includes a dedicated protocol communication transmitting data with a processing device and a common protocol communication transmitting data with another processing device. In addition, the control-host computer used in the control system includes a control unit controlling a control target and a display device.

The invention discloses an oil mud two-stage thermal desorption system with a high water content and integrated skid-mounted equipment, and belongs to the technical field of oil mud treatment devices.The system includes a feeding system, a first-stage thermal desorption system, a second-stage thermal desorption system, a discharge system, a steam condensation and oil-water separation system and anitrogen protection system, which are integrated in the integrated skid-mounted equipment. The system aims at deficiencies of high energy consumption and limited treatment capacity in the oil mud thermal desorption method treatment process, reduces the water content of the oil mud through microwave thermal desorption pretreatment of first-stage thermal radiation, uses the indirect thermal desorption of second-stage heat conduction to separate oil from the soil, and improves the thermal efficiency and the processing capacity of the equipment by a first-stage thermal desorption distributor, a second-stage thermal desorption flame retardant plate and a fire blocking wall to increase the flue gas residence time. The system solves the problem that a microwave belt discharge belt adheres to theoil sludge, a steam releases on the discharge port and the sealing and the safety concern people, the structure is reasonable and compact, and the system is convenient to relocate and install, and has good application prospects.

A preheating system for preheating fluid medium to be fed into the HRSG is disclosed. The system includes a feed line and a recirculation line. The feed line is adapted to feed the fluid medium to a Low Pressure Economizer (LPE) of the HRSG. The feed line is adapted to be adjoined to an inlet of the LPE, and an outlet of the LPE enables therefrom the flow of the fluid medium in further portion of the HRSG. The recirculation line is adapted to be connected between the outlet and the inlet of the LPE, in parallel to LPE to recirculate the fluid medium to the LPE. A particular method of preheating using such a system is equally disclosed.

A fluid conveying device includes: a tube; a cam having protrusions; fingers arranged along the tube between the tube and the cam; a driving rotor which rotates the cam to sequentially push the fingers by the protrusions in a flowing direction of a fluid, repeatedly pressuring and opening of the tube, driving the cam; a detection unit which detects a rotating position of the cam; a control unit which calculates a cam rotation angle along a cumulative ejection volume, using a first approximation formula for an ejection area H where the cumulative ejection volume increases substantially in proportion to the rotation angle of the cam and a second approximation formula for a constant area J where the cumulative ejection volume little increases or decreases even if the cam rotates, driving the driving rotor until a rotating position of the cam corresponding to a designated cumulative ejection volume is reached.

The invention discloses a split type umbrella mechanical shaking device for a laser gyro, and the device comprises a shaking unit and a laser gyro carrying unit, wherein the laser gyro carrying unit comprises a triangular gantry, the center of the triangular gantry forms a boss, three first fixing blocks are evenly spaced on the boss, each of the first fixing blocks is provided with a screw hole and is fixed with the screw hole through a bolt to fix a laser gyro resonant cavity, the position of the boss located at the center of the triangular gantry is defined with a first opening, second openings are formed at three corners of the triangular gantry, the shaking unit comprises a first shaking rib and a second shaking rib connected in a direction along the center of the circular ring, and the shaking unit fixes the laser gyro carrying unit through a through hole. The split type umbrella mechanical shaking device for the laser gyro provided by the invention improves the accuracy of navigation measurement while reducing the volume and cost.

In a motor control apparatus in which a higher voltage is directly applied to a driving unit for a motor from a battery and a lower voltage stepped down by a switching regulator from the battery is also supplied to a control unit, the switching regulator is started its switching by a starting signal supplied from the outside of the motor control apparatus and is stopped its switching by the first stopping signal from the outside of a motor control apparatus and the second stopping signal derived from the control unit.

Under management by a main microcomputer, an LED controller performs, along at least two directions within a plane of planar light formed by LEDs arranged in a matrix, brightness correction processing for adjusting the distribution of brightness of the planar light on light source color video signals to convert them into light source color video signals.

A fluid conveying device includes: a tube; a cam having protrusions; fingers arranged along the tube between the tube and the cam; a driving rotor which rotates the cam to sequentially push the fingers by the protrusions in a flowing direction of a fluid, repeatedly pressuring and opening of the tube, driving the cam; a detection unit which detects a rotating position of the cam; a control unit which calculates a cam rotation angle along a cumulative ejection volume, using a first approximation formula for an ejection area H where the cumulative ejection volume increases substantially in proportion to the rotation angle of the cam and a second approximation formula for a constant area J where the cumulative ejection volume little increases or decreases even if the cam rotates, driving the driving rotor until a rotating position of the cam corresponding to a designated cumulative ejection volume is reached.

A gas generating apparatus with separated water pump, comprising a delivery device, an electrolytic device and a water pump. The delivery device accommodates electrolyzed water. The electrolytic device is configured for electrolyzing electrolyzed water to generate hydrogen. The water pump comprises a stirring fan and a drive motor. The stirring fan is configured inside the delivery device to promote the electrolyzed water flowing. The drive motor is coupled to an outer surface of the delivery device and is configured for driving the stirring fan to promote the electrolyzed water flowing. In present invention, the flowing electrolyzed water driven by the separated water pump cools down the electrolytic device, and the drive motor is prevented from corroding by the electrolyzed water and the cooling efficiency of the drive motor is increased. Therefore, the operational safety is improved and the life of the gas generating apparatus with separated water pump is extended.

A data converter, a signal transmission method, and a signal transmission system for transmitting a signal to a programmable logic controller are provided. The data converter: performs sampling multiple times with respect to data detected by a sensor in one communication period of communication with a programmable logic controller; acquires statistical data by statisticizing a plurality of sampling data in the communication period; and transmits the statistical data to the programmable logic controller when the communication period is reached. On the basis of an embodiment of the present invention, a signal sampling density is improved, and thus control accuracy can be enhanced. At the same time, a data transmission amount of a bus is reduced, a load on the programmable logic controller is reduced, and user convenience is improved.

The invention discloses a split-type umbrella-shaped mechanical shaking device for a laser gyroscope, which includes a shaking unit and a laser gyroscope bearing unit; the laser gyroscope bearing unit includes a triangular stand, and the center of the triangular stand forms a boss, and the boss is evenly spaced with three A first fixed block, each first fixed block is provided with a screw hole, and each first fixed block cooperates with the screw and the screw hole to fix the laser gyro resonator cavity, and the boss is located at the center of the triangular pedestal to open a first hole , the three corners of the triangular pedestal are provided with second openings, the shaking unit includes the first shaking ribs and the second shaking ribs connected in turn along the direction of the center of the ring, the shaking unit cooperates with the fixed laser gyro carrying unit through the through hole . The split umbrella-shaped mechanical shaking device of the laser gyroscope of the present invention improves the accuracy of navigation measurement while reducing volume and cost.

A gas generating apparatus with separated water pump, comprising a delivery device, an electrolytic device and a water pump. The delivery device accommodates electrolyzed water. The electrolytic device is configured for electrolyzing electrolyzed water to generate hydrogen. The water pump comprises a stirring fan and a drive motor. The stirring fan is configured inside the delivery device to promote the electrolyzed water flowing. The drive motor is coupled to an outer surface of the delivery device and is configured for driving the stirring fan to promote the electrolyzed water flowing. In present invention, the flowing electrolyzed water driven by the separated water pump cools down the electrolytic device, and the drive motor is prevented from corroding by the electrolyzed water and the cooling efficiency of the drive motor is increased. Therefore, the operational safety is improved and the life of the gas generating apparatus with separated water pump is extended.

The invention discloses an integrated control system comprising a control computation module and a safety monitoring module. The safety monitoring module is connected with the control computation module, and the control computation module is integrated with a TCU, a VCU and a BMS control unit; the TCU is connected with a sensor and an actuator of a gearbox through wire harnesses; the VCU is used for control and fault diagnosis of the actuator through receiving of analog signals and digital signals and output the analog signals and digital signals; and the BMS control unit is connected with a battery acquisition board through network signals, and the TCU, the VCU and the BMS control unit are integrated into an integrated controller with high integration level. The number of the control units and the wire harnesses is reduced, and the manufacturing cost and the fault rate are reduced.

A method for data transmission from a programming device to a control unit, the data being compressed by Huffman coding and transmitted with a Huffman coding tree for decoding from the programming device to the control unit, are decompressed and stored in the control unit, by performing, for a predetermined number of data words of N-bits, a first Huffman coding with a first coding tree; performing, for the remaining data words consisting of M-bits, a second Huffman coding with a second coding tree, N greater than M, the predetermined number of data words of N-bits and the remaining data words of M-bits consisting of more than two data words, generating coding trees for the N-bit and the M-bit data words, and transmitting them to the control unit, and providing all coded N-bit data words and N / M of successive M-bit data words with a preceding code bit.