14752results about How to "Work reliably" patented technology

An anti-interfering method of short-range FMCW radar includes designing a set of pseudo-random code according to occasion of radar, distributing different pseudo-random code to different radar operated at different area, applying different pseudo-random code to modulate frequency start-point of FM emission signal for the same radar on each cycle, making frequency-mixture on received echo signal by utilizing emission signal, using filter to filter off interference signal and applying FM signal processing means to treat reserved usable signal for obtaining object distance and speed information in high resolution.

The invention discloses an equipment for sorting and packaging goods and a method thereof, wherein, the equipment comprises turning box baskets, a box basket transporting device, a goods-providing device, a radio frequency reader, a wireless radio frequency card, an electronic control system and a system of computer information management, wherein, each box basket box has the wireless radio frequency card; a side on a stopping position of a plurality of box baskets on the box basket transporting device is provided with the goods-providing device; the radio frequency reader is arranged near the stopping positions for the box backsets on the box basket transporting device. The method comprises the following steps: A. configuring devices for the whole line and determining the brands and specifications of goods to be delivered; B. setting the information of device configuration as well as the brands and specifications of the goods; C. setting the allocation proposal; D. preparing and implementing the allocation proposal; E. starting the whole line and pre-allocation; F. inputting empty box baskets; G. applying the box baskets for delivery and allocation; H. unloading the baskets. The equipment for sorting and packaging goods has the advantages of high speed, reliable work, low operation cost, compact structure, and small land occupancy, so the invention is applicable for various goods delivery centers with different delivery requirements and scopes.

The invention relates to an embedded permanent brushless DC motor non-position sensor control system, composed of a microprocessor controller, a IPM module and a drive unit, a current detection circuit, a phase voltage detection circuit, an output display circuit, a control input circuit, an embedded rotor structured permanent brushless DC motor, a drive and control power source, etc. The invention judges the position of rotor by detecting variation of inductance of stator winding indirectly according to the character that the inductance of rotor winding of the embedded rotor structured permanent brushless DC motor is the function of rotor position theta. In the embedded rotor structured permanent brushless DC motor with star-shaped connection adopted by stator winding, when self inductance of two phase windings therein are equal, the position is the counter potential zero-crossing point without phase connection. Therefore, adopting non-connection phase voltage to ground continuously in one PWM period, and comparing the difference value, to judge non-connection phase counter potential zero-crossing point, and lagging behind for 30 degrees electric angel as phase-exchange time of next time. The method of the invention is indirect induction method. The non-position sensor control method of indirection induction method is nothing to do with rotating speed of motor, so that the invention overcomes the problem of malfunction at low speed of the conventional non-position sensor control method-the detection method of counter potential zero-crossing point. The invention can work reliably at ultra-low speed even if the rotating speed of motor is close to zero.

This pressure regulator is specifically designed to operate with a portable compressed gas cartridge thus reducing the high vapor pressure found in compressed gas cartridges down to a substantially consistent outlet pressure. Due to the nature of the crowded regulator art, the soon to be embodied pressure regulator has been specifically embodied for use in the portable compressed gas cartridge harnessing art and this specific use is carried into the claims. Exemplified in the pressure regulator embodiments is a reduced amount of components over existing designs. Additionally, safety and reliability features have been integrated into the design and will shortly be taught in the following paragraphs. A burp-off feature in all embodiments will be exemplified that vents back-pressure spikes as well as a method of adjusting the burp-off back-pressure spikes independent of regulated pressure in some embodiments.

The invention discloses a drilling and lead inserting system for assembling a firework. The system comprises a needle bar, a lead feeding device, a numerical control system and a driving and transmission system, wherein the needle bar can move upwards and downwards in a reciprocating way; the lower end of the needle bar is provided with an n-shaped drilling and lead inserting device which consists of two parallel drilling needles; a large movable tongue and a small movable tongue are arranged between the two drilling needles; the lead feeding device consists of at least one lead supply wheel and a lead guide groove; and the driving and transmission system comprises at least one driving motor and a plurality of transmission devices, is connected with an electromagnet of the numerical control system and is used for driving and controlling every component of the drilling and lead inserting system to run synchronously. The drilling and lead inserting system is arranged above a firecrackerbarrel conveying passageway, can be used for accurately finishing a series of works such as lead supply, lead cutting, lead inserting and the like, has high degree of automation, high working efficiency and working reliability; and drilling and lead inserting are finished synchronously, and the lead inserting quality of is effectively ensured.

The invention provides an integrated millimeter wave active phased-array antenna. The integrated millimeter wave active phased-array antenna is reliable in performance, ensures that the number of chips can be reduced, and reduces cost. According to the technical scheme, an antenna bearing layer is integrally connected to a feed network through an antenna array surface and a TR assembly; micro-strip patches of the antenna array surface are arranged below the antenna bearing layer according to a rectangular grid array and are connected with power amplifier chips of the TR assembly according to a 8*8 array scale, and every four power amplifier chips are connected with a four-channel integrated phase shifter to constitute a 2*2 sub-array circuit to be integrally connected with the feed network downwards; a radio frequency signal is input to a power dividing network through the feed network and is disseminated into four paths of radio frequency signals through a plurality of four-channel integrated phase shifters, and the radio frequency signals are input into corresponding power amplifier chips, are transmitted to the micro-strip patches and are transmitted; sixteen four-channel integrated phase shifters and sixty-four power amplifier chips are controlled by control signals through a low-frequency signal network to finish radio frequency signal space power synthesis and beam scanning.

The invention relates to a method for managing the whole vehicle energy of a parallel hybrid power vehicle and assembly coordination control, which belongs to the field of drive system control of the hybrid power vehicles. According to the running state of the hybrid power vehicle, the method respectively controls a control module for a control algorithm to enter the whole vehicle for electrified self-check and fault diagnosis, an ABS coordinated control module, a coordinated control module assisting an AMT to shift gear initiatively, a control module for motor initiative compensation, a control module for mode switching and energy management, a module for processing and displaying whole vehicle state information, and an initiative control module for the idling stop of an engine so as to control the energy distribution of a hybrid power drive system and the coordinated operation of each assembly of the system. The method can perform energy management on the hybrid power drive system and coordinated control on each assembly so as to achieve the optimal energy distribution among the assemblies of the hybrid power drive system, improve the fuel economical efficiency of the whole vehicle to the utmost extent, and reduce the exhaust emission of the engine, ensure that the while drive system can work reliably and efficiently to obtain the optimal performance of the whole vehicle running.

The invention relates to a sensing method with an optical-fiber Bragg grating laser device. An optical-fiber Bragg grating is used as a reflector of the resonant cavity, an active optical fiber capable of generating sufficient gains is added, and a double wavelength/multiple wavelength optical-fiber Bragg grating laser device is formed under the action of a pump light source and used as a sensor. When the outside strain, temperature and other physical quantities act on the sensing system, the beat signal frequency among the double wavelength or multiple wavelength laser can shift, and counter stress, temperature and other physical parameters can be measured precisely by detecting the beat signal frequency information. The invention has the advantages of simple manufacture, stable and reliable operation, stable measurement result and high precision, and is free from the interference of light intensity, polarization and other optical information quantities. The multipoint distribution sensing measurement can be realized in a frequency-division multiplexing mode. An electrooptical modulator is added before the spectrum analyzer starts detection so as to randomly adjust the beat signal frequency, thereby greatly reducing the spectral range of the spectrum analyzer and reducing the detection cost.

A medical manipulator system includes a manipulator including a working unit having a distal-end working unit, the attitude of which can be changed by a motor, and a controller for controlling the manipulator. When the controller performs an origin return process for moving a gripper of the distal-end working unit to an origin position at an end of an operating range thereof, the controller issues a first control target value to the motor indicative of a virtual position beyond the origin. Thereafter, the controller issues a second control target value to the motor indicative of the origin. The first control target value represents a position, which is over from the origin P0 by a distance greater than a value corresponding to an error ε between a control target position for the gripper and the actual position thereof.

The invention provides an intelligent photovoltaic array washing car used for washing photovoltaic arrays of a large-scale ground photovoltaic power station. A washing head supporting and locating unit and a power unit are arranged on the head portion and the tail portion of a crawler base respectively, a water storage unit is arranged adjacent to the power unit, and a washing head unit is provided with range finder sensors used for measuring the distance between the washing head unit and solar cell panels; the washing head supporting and locating unit comprises a movable base capable of rotating and transversely moving and a working arm set provided with a main arm and an end arm, wherein the main arm and the end arm can pitch respectively; a water pump of a water supply unit is driven by a hydraulic motor; a computer is used as a control kernel of a main control module of an operation control unit; a pair of proportional directional valves of the hydraulic control unit controls two base crawler traveling motors, and other directional valves are electromagnetic directional valves controlled by the main control module. According to the intelligent photovoltaic array washing car, the position and the posture of the washing head unit relative to photovoltaic array panels and the position and the posture of a car body relative to the photovoltaic arrays can be automatically controlled, and the intelligent photovoltaic array washing car is intelligent, efficient, flexible in operation, high in adaptability, easy and convenient to operate, concise in structure and good in washing effect.

The invention relates to a multi-point forming device for a plate. The device comprises a die carrier, a plurality of upper pressure head pressurizing units and a plurality of lower pressure head supporting units, wherein the plurality of upper pressure head pressurizing units are arranged on an upper flat plate of the die carrier; the plurality of lower pressure head supporting units are arranged on a lower flat plate of the die carrier; each upper pressure head pressurizing unit consists of an upper pressure head, a spring and a travel adjusting component; an upper pressure head is arrangedin a positioning hole on the upper flat plate of the die carrier, and can move up and down along the axis of the hole; the spring is arranged between the upper pressure head and the upper flat plate of the die carrier; each lower pressure head supporting unit consists of a lower pressure head, a plunger and a hydraulic cylinder; the hydraulic cylinder is fixed on the lower flat plate of the die carrier; and the plunger is connected with the lower pressure head. A forming curved surface can be formed optionally and is easy and convenient to adjust. Any element is not required to be adjusted inreal time in a forming process, and stable and uniform normal pressure always acts on the plate, so that effective normal constraint is formed and the plate can be effectively prevented from wrinkling. The device has a reasonable structure, is easy to operate, works reliably, and is an ideal multi-point forming device for the plate.

The invention discloses a powder spreading device for rapid forming equipment. The device mainly comprises a quantitative powder conveying device, a movable silo, a movable arm, a movable frame and the like. The quantitative powder conveying device is used for supplying powder to the movable silo. Whether the powder falls down or not is controlled through a rotating sheet. According to the section of parts, the movable silo does regular translational motion within a working plane under the drive of the movable arm and the movable frame, and a scraper on the silo can realize dynamic powder spreading. By combining the movable arm and the movable silo with the movable frame, defining the powder within the area of the parts and adjusting the magnitude and the position of spread powder according to the change of the section of the parts, not only can the amount of the used powder is greatly saved, but also the powder spreading speed is high; and the structural design of the powder spreading device is simple, the powder spreading device is convenient to disassemble and assemble, the realization is easy, the cost is lower and the powder spreading device has an important application value to the improvement of the overall technical level of a powder bed quick forming technology.

The invention discloses a laser-cutting automatic loading and unloading manipulator in the field of lathes, which comprises a grid-shaped sucking disk rack, wherein a plurality of sucking disks are arranged at the lower side of the sucking disk rack, a support rack connected with a feeding mechanism of a lathe is arranged above the sucking disk rack, and a lifting mechanism that drives the sucking disk rack to do ascending and descending motion is arranged on the support rack; a reducer motor is also arranged on the support rack, the middle part of a transmission shaft is connected with the reducer motor by a transmission way, the transmission shaft is arranged on the support rack through a bearing, two ends of the transmission shaft are respectively provided with gears, the upper side and the lower side of each gear are respectively meshed with a gear rack, the gear racks are arranged on four parallel beams, the beams and the support rack are connected by a guide slider mechanism, outer end parts of the two beams positioned at the lower side of the gear and outer end parts of the two beams positioned at the upper side of the gear are respectively connected with a horizontally-arranged unloading fork, the two unloading forks are positioned in a same horizontal height, and stopping rods are respectively arranged at the upper sides of the adjacent ends of the two unloading forks. The invention can automatically load and unload and improve the production efficiency.

The invention relates to the field of the monitoring of a transmission line conductor, in particular to a real-time monitoring method of ice coated on an overhead transmission line conductor and a system thereof. The method comprises the following steps of: firstly, arranging tilt-temperature monitoring devices on each line conductor so as to monitor the suspension point tilt and the conductor temperature of line conductors in real time; secondly, arranging deviation angle-wind deflection angle monitoring devices on each suspended insulator string so as to monitor the deviation angles of the suspended insulator strings along the conductor direction and the wind deflection angles vertical to the conductor direction in real time; and calculating the ice coating comprehensive load and the ice coating thickness of each line conductor in real time through monitoring the suspension point tilt and the conductor temperature of the line conductors and the deviation angles of the suspended insulator strings in real time. The method has the beneficial effects that not only the ice coating thickness of the conductor can be measured, but also the comprehensive load of the ice-coated conductor can be measured, furthermore, the measure is reasonable and correct, the algorithm is simple, and the result is accurate, and the method can be applied to the comprehensive load calculation of the strain section of the lines, on which ice is evenly coated or unevenly coated.

The present invention relates to a semiconductor photosensitive unit and a semiconductor photosensitive unit array thereof, including a floating gate transistor, a gating MOS transistor and a photodiode that are disposed on a semiconductor substrate. An anode or a cathode of the photodiode is connected to a floating gate of the floating gate transistor through the gating MOS transistor, and the corresponding cathode or anode of the photodiode is connected to a drain of the floating gate transistor or connected to an external electrode. After the gating MOS transistor is switched on, the floating gate is charged or discharged through the photodiode; and after the gating MOS transistor is switched off, charges are stored in the floating gate of the floating gate transistor. Advantages like a small unit area, low surface noise, long charge storage time of the floating gate, and large dynamic range of an operating voltage are achieved.

The invention provides an LEACH protocol improvement method capable of lowering energy consumption. A basic system comprises normal nodes, cluster header nodes, forwarding nodes and a base station. The specific cycle operation steps comprise network topology determination, initialization, selection of the cluster header nodes, cluster forming, data transmission, selection of the cluster header nodes and cluster forming. According to the defects of an LEACH protocol, improvement is conducted from the aspects of selection of cluster heads, cluster forming and a data transmission mode. In selection of the cluster heads, the comprehensive influences of the energy of the nodes, the distance to the base station and density are considered, the burdens of the cluster heads are balanced, and distribution and energy consumption of the selected cluster header nodes are made balanced in a network. In cluster forming, the mode of grid clustering is used, the nodes calculate the two-dimensional values of grids where the nodes are placed by themselves, and the effectiveness of node energy is guaranteed. In data transmission mode, a routing mode with single-hop and multi-hop combined is used according to the distance of the cluster header nodes and the base station, the energy consumption of network nodes is lowered by the purpose that the energy utilization rate is highest.

The invention discloses an electric vehicle braking system (EVBS) capable of reclaiming braking energy. The EVBS comprises a hydraulic braking subsystem, a braking energy reclaiming subsystem and a whole vehicle controller. The hydraulic braking subsystem comprises a braking pedal, a vacuum booster, a braking main cylinder, an oil storage chamber, an EVBS hydraulic unit, and an EVBS electric control unit for controlling the operation of the EVBS hydraulic unit; the braking energy reclaiming subsystem comprises a storage battery, a reversible motor controller, a motor, a transmission and a main speed reducer; and the whole vehicle controller is respectively connected with the EVBS electric control unit and the reversible motor controller. According to the system, a hydraulic brake and a motor reclaiming brake are coordinated; the whole vehicle controller cooperatively controls the reversible motor controller and the EVBS electric control unit, so that the braking safety is ensured; when the motor reclaiming brake fails, the hydraulic braking system can still work reliably; the whole hydraulic unit has a simple structure and is easy for batch production; and the EVBS has a consistent braking effect in a reclaiming or non-reclaiming state, and has the same braking sensation.

The invention discloses a wireless data-image dual acquirement anti-electricity-theft monitoring system and method which uses a microwave body sensor to conduct the real time detection to activities of people around an electricity meter box. Based on the method of the image shooting of a camera, the monitoring system provided by the invention uses a camera to continuously shoot and store the images of the activities of people around the electricity meter box and can real time transmit alarming information, electricity meter data and image information to a motoring server through GPRS network; and then, the motoring server can send the received alarming information to the mobile phones or computers of users in time, and users can read the alarming information from the mobile phones or computers of users in distance. Besides the functions of remote electricity meter data acquiring, the anti-electricity-theft monitoring and real-time alarming, the monitoring system also can transmit field images in time and obtain images stored by field equipment later for providing convincible proofs during handling the electricity theft of illegal users.

The invention provides a photosensitive drum driving assembly which comprises a gear wheel and an adjusting assembly, wherein the gear wheel is closely fitted at one end of a photosensitive drum; the adjusting assembly comprises a rotary driving force receiving head which extends out of the gear wheel; the adjusting assembly can be arranged in the gear wheel to move in reciprocating translation relative to the gear wheel along the axial direction of the photosensitive drum and a first direction vertical to the axial direction, and an elastic support part and an axial limit part are arranged between the adjusting assembly and the gear wheel; and the rotation driving force receiving head can be rotatably arranged on the adjusting assembly around the axis per se. Compared with the prior art, the photosensitive drum driving assembly allows simple and convenient assembly, and has stable structure performance; and a processing box in which the photosensitive driving assembly is adopted ensures stable disembarking and stable operation and has reliable performance.