49results about How to "No complexity" patented technology

The invention discloses a hardware-in-the-loop test system for a whole vehicle controller for an electric vehicle and a test method. The hardware-in-the-loop test system comprises a whole electric vehicle controller, a fault injection hardware unit, an SCALEXIO, and a vehicle simulating module, a vehicle driving animation simulating module and a vehicle state operating and monitoring module in a computer. Connection and communication among the SCALEXIO, the fault injection hardware unit and the whole electric vehicle controller is achieved through a wire harness, and connection and communication between the SCALEXIO and the computer is achieved through a network line; through the corresponding SCALEXIO software in the computer, SCALEXIO channel selection is achieved, and communications of a vehicle simulating model, vehicle driving animation and vehicle state operation and monitoring interact in the computer. The hardware-in-the-loop test system can effectively save the development time and reduce the development cost of the whole vehicle controller, can achieve performance testing on the whole vehicle controller under the limit driving condition of the vehicle, can achieve systematic, integrated and automatic testing on the whole vehicle controller and generate a test report, effectively reduces the testing cost and improves the testing efficiency.

The present invention discloses a numeric control code compiler, and also discloses a method for creating numeric control system software by using said numeric control code compiler. It is characterized by that it includes the following several steps: (1), constructing PIDP_NC code compiler; (2), in upper-position machine adopting PIDP_NC code compiler to compile NC program into object code file with specific data format and complete sequence execution signification; (3), upper-position machine can feed the PIDP object codes into lower-position machine circulation buffer zone in batches according to sequence; and (4), lower-position machine can read out PIDP object codes from circulation buffer zone according to sequence, identify the data in PIDP and judge the significance correspondent to NC command, at the same time obtain correspondent data and call correspondent motion control function according to significance of command so as to implement processing control.

The invention provides an automatic mapping technique converting device based on Modbus-ZigBee protocol link addresses and an automatic mapping technique method based on the Modbus-ZigBee protocol link addresses. A Modbus technique and a ZigBee technique are combined. A ZigBee wireless network is connected with a Modbus industrial bus through a Modbus protocol converter. Meanwhile, a method of using Modbus addresses to automatically map Zigbee node addresses is utilized to enable ZigBee node data to be stored and taken quickly and conveniently. The automatic mapping technique method and converting device can be applied to special environments and special requirements such as wiring-free quick application, battery power supply sensor environment monitoring and the like. Thus, the automatic mapping technique method and converting device can be optional schemes with advantages.

The invention relates to a hybrid component part comprising a local stiffening made of a two-stage-crosslinked polyurethane-based fibre composite material, more particularly to the production of such a hybrid component part. Said invention has for its object to specify a technology which makes it possible in cost-effective fashion to effect local stiffening of metal parts with a fibre composite material in order thus to obtain a hybrid component part. It is a fundamental concept of the process according to the present invention to use a particular polyurethane formulation which in a first crosslinking reaction can be converted into a thermoplastic polymer and later in a second crosslinking reaction is fully crosslinked to afford a thermoset matrix material. The thermoplastic polymer is characterized by a good adhesion to metal surfaces. The metal can be subjected to further forming with the attached thermoplastic material. The polyurethane is subsequently thermosettingly cured and achieves its final stiffness.

A safe and effective instant authentication method in a wireless Mesh network belongs to a computer network field. The method comprises three stages of preassigning authentication certificate, signing and releasing passport and instant authenticating. In the stage of preassigning authentication certificate, an off-line CA and an authentication center reasonably distribute authentication certificate to guarantee that a local network, an access network authentication center and a mobile terminal hold an authentication certificate released by the off-line CA and the wireless Mesh access point hold the authentication certificate released by the authentication center. In the stage of signing and releasing passport, the local network authentication center signs and releases a passport for the mobile terminal. Finally, the mobile terminal and the wireless Mesh access point realize the safe and effective bidirectional instant authentication. The method according to the invention has the advantages of full use of common key base facility resources which are widely disposed, resource consumption reduction in roaming authentication, delay reduction in roaming authentication, without complexity in using the common key base facility certificate, and facilitated disposition and realization.

A method for sending signals from a base station is provided, which includes: setting an energy-saving flag when intending to enter an energy-saving mode; notifying the energy-saving mode corresponding to the energy-saving flag to a User Equipment (UE); and sending signals in the energy-saving mode applied after setting the energy-saving flag. The energy-saving flag may be a Reference Symbol (RS) energy-saving indication, data transmission bandwidth indication, or an indication of reducing antennas for sending data. When the cell load is light, the method and the energy-saving base station provided herein change the bandwidth of transmitting downlink RSs of the cell dynamically to reduce energy consumption of the base station without changing the cell bandwidth which is a critical parameter, and relieve impact on the service caused by power consumption reduction but add no complexity to the UE.

The invention discloses a method for measuring the content of pyridine in decitabine impurities. A methyl alcohol-N-methyl-pyrrolidone-triethylamine mixed solution is used as a solvent, and a direct injection gas chromatographic method is adopted for measurement. The problems that decitabine raw material glucoside stability is poor, dissolution is not easily achieved, the recycling rate of an existing detection method is seriously low and interference is likely to be caused by solvent peaks are solved. According to the method, it is tested that a blank solvent has no interference peaks for residual solvent pyridine measurement, the precision is good, the relative standard deviation (RSD) is only 0.46%, the reproducibility is good, the linear relation is good, the average recycling rate is high, and pyridine possibly remaining in glucoside can be accurately and quantitatively detected. Effective quality control is achieved for preparing second-class solvent pyridine in the decitabine raw material glucoside, and the quality of decitabine and drug use safety are ensured at the same time.

The present invention relates to a steering shaft (10) for a motor vehicle, said steering shaft comprising: an outer shaft designed as a hollow shaft (20); an inner shaft (30) which is coaxially arranged in the hollow shaft (20), is telescopic relative to hollow shaft (20) in the direction of the longitudinal axis of the steering shaft (10), and which is torque-transmittingly connected to the hollow shaft (20) via at least one positively-locking element (40); and comprising a locking device having at least one stop element (70, 700) which is fitted to the end region, facing the inner shaft (30, 300), of the hollow shaft (20, 200) and which has a stop face (78, 780) that is arranged in the opening cross section of the hollow shaft (20, 200) and that faces the hollow shaft (20, 200) in the direction of the longitudinal axis. In order provide an improved steering shaft which comprises a simple and easily mountable locking device for preventing pulling-out, the stop element (70, 700) according to the invention has at least one connecting means (74, 75, 76, 740, 741 ) which can be secured from the inside to the inner lateral surface (23) of the outer hollow shaft (20, 200) in the opening cross section.

A motorcycle 10 in which the clutch on-off operation and the gear-shift operation of the transmission are automated that can be driven when the actuator fails without complication of the structure and upsizing of the power unit 28. A crankcase 35 of a power unit 28 accommodates a transmission including a plurality of gears, a gear-shift clutch that is engaged or disengaged at gear-shift operation, and a shift shaft that engages or disengages the clutch and provides gear change of the transmission. Part of the shift shaft projects from the crankcase 35. A projecting portion 70a of the shift shaft and an output shaft 81 of an actuator 35 are connected together on the outside of the crankcase with a connecting device 61. The connecting device 61 is detachably connected to the projecting portion 70a of the shift shaft or the output shaft 81 of the actuator 75.

The invention discloses a spraying jig which comprises an upper cover and a lower cover, wherein the lower cover is provided with a plurality of first positioning posts; the upper cover is provided with a plurality of first positioning holes corresponding to the first positioning posts; the upper cover is also provided with a plurality of spraying grooves used for exposing products to be sprayed and a plurality of yielding holes; the jig also includes screw caps which form locking structures with the first positioning posts; the upper cover is formed by etched molding. The invention further discloses an etching process applied to the upper cover of the spraying jig and a spraying process using the spraying jig for spraying. The spraying jig is simple in design, mature in technology, simple to manufacture, low in cost, high in production efficiency, easy to store and not liable to damage; the jig is infinitely reusable, and undesirable phenomena of spraying leakage or oil accumulation of the product due to over coverage do not occur no matter how complex the product is.

The invention discloses a method for preparing 1,1,1,3,3-pentachlorobutane. According to the method, carbon tetrachloride and 2-chloropropene have a telomerization reaction through a telomerization catalyst to prepare 1,1,1,3,3-pentachlorobutane, wherein the reaction temperature ranges from 25 DEG C to 100 DEG C, and the reaction time ranges from 0.5 h to 5 h. The telomerization catalyst is prepared from a main catalyst, an auxiliary catalyst and an organic active agent, wherein halogenated copper salt or halogenated iron salt serves as the main catalyst, alkyl phosphate or diisopropyl phosphate or organic tertiary amine serves as the auxiliary catalyst, azodiisobutyronitrile, 2,2-azobis(4-methoxy-2,4-dimethylvaleronitrile), 1,1-azo-Biscyclohexanecarbonitrile, ascorbic acid, 2,3,4,5,6-5-hydroxy aldehyde, phenylhydrazine or metoxyphenol serves as the organic active agent, and the molar ratio of the main catalyst to the auxiliary catalyst to the organic active agent is 1:(0.5-20):(0.1-20). The telomerization catalyst has the advantages of being mild in reaction conditions and stable in air and can be used for catalyzing the telomerization reaction between carbon tetrachloride and 2-chloropropene to prepare 1,1,1,3,3-pentachlorobutane.

The invention relates to a method for detecting the ghosting effect of a liquid crystal display, and the method comprises the following steps: providing human vision persistence time; providing the maximum color change speed of the liquid crystal display; calculating the product of the human vision persistence time and the maximum color change speed, so as to obtain a threshold value; calculating density level variation of a pixel element of the liquid crystal display; comparing the threshold value with the density level variation, and enabling the threshold value to be greater than the density level variation, so as to detect and eliminate the ghosting effect.

Provided is a population global optimization method for regional dynamic subdivision based on local Lipschitz estimation. The population global optimization method is combined with the Lipschitz estimation theory under the framework of a population evolutionary algorithm and comprises the steps of constructing a Lipschitz estimation lower bound bearing surface by extracting neighborhood information of new individuals to achieve dynamic subdivision of a search region; effectively identifying part of an invalid region by means of lower bound estimation information and guiding population update; performing local reinforcement by means of the general declining direction of a linear fit convex envelope, and performing secondary subdivision on the search region according to evolution information; reinitializing part of poor individuals in a population according to lower bound estimation selection information. The population global optimization method for regional dynamic subdivision based on local Lipschitz estimation is low in computing cost, and high in rate of convergence and reliability.

A cam-assisted flexible continuum robot unit comprises an upper unit block, a flexible structure, a cam higher pair and a lower unit block; the upper unit block and a lower unit block are connected through the flexible structure; the cam higher pair is arranged between the upper unit block and the lower unit block; and a plurality of threading through holes for wire driving are uniformly distributed on the peripheries of the upper unit block and the lower unit block. After the tail end of the continuum robot is subjected to pressure applied by driving wires, every two adjacent unit blocks are pressed, the unit blocks rotate around cylindrical contact auxiliary units, meanwhile, the corresponding flexible structures are bent and deformed, and therefore relative movement is generated between every two adjacent unit blocks. Furthermore, the deformation of the whole continuum robot in a larger space can be realized through the tightening and loosening of the driving wires.

The invention provides a mobile communication system and a base station therein. The mobile communication system comprises a base station and a mobile station which wirelessly communicates with the base station in a cell of a wireless communication area formed by the base station and which may mix and then transmit unicast data and broadcast/multicast data as downstream data from the base station to the mobile station. The base station enables same differences of two following initial phases: the difference between the initial phase of a cell inherent pilot signal transmitted in a subframe that the unicast data is transmitted and the initial phase of a cell inherent pilot signal transmitted in a following subframe, and the difference between the initial phase of a cell inherent pilot signal transmitted in a subframe that the broadcast/multicast data is transmitted and the initial phase of a cell inherent pilot signal transmitted in a following subframe.

The invention discloses an air source built-in air sac waist bag for preventing fall injury and a manufacturing method thereof. The air source built-in air sac waist bag comprises a base band, an airsac waist bag is arranged on the base band, an air sac assembly is fixed in the air sac waist bag, and the air sac assembly comprises a plurality of air sac individual bodies; the plurality of air sacindividual bodies are adjacent and are arranged in parallel. Storage function and human body protection function can be achieved at the same time, and the use convenience is improved; the human bodyprotection area can be increased, human hip bones are effectively prevented from being injured, and the protection performance is improved; air source equipment can be arranged in the air sacs to improve the wearing comfort, meanwhile, secondary injury of the air source equipment to the human body after the human body falls down is avoided, and the use safety is improved; the protection position can be adjusted according to personal body types, the protection effect is improved, and the practicability is high; the working noise of the air source equipment can be reduced, and the wearing comfort and experience of the human body are improved.

The invention discloses a laser-assisted conformal 3D printing method for a complex curved surface special-shaped structure, and relates to a conformal 3D printing method for a curved surface special-shaped structure. The problems that conformal manufacturing of the surface of a complex non-unfolded curved surface structure is difficult to achieve and the printing line width precision is low in an existing direct writing type and other contact type 3D printing technologies are solved. The laser-assisted conformal 3D printing method comprises the following steps that 1, weighing is carried out; 2, laser curing slurry is prepared; 3, coating is carried out; 4, a laser and a base plate are fixed; 5, 3D laser printing is carried out; 6, cleaning is carried out; and 7, sintering is carried out. The laser-assisted conformal 3D printing method is used for laser-assisted conformal 3D printing of the complex curved surface special-shaped structure.

The invention discloses a multi-unmanned aerial vehicle sliding mode formation control method based on median deviation, which comprises the steps of establishing a formation constraint condition of n unmanned aerial vehicle clusters and an unmanned aerial vehicle model with uncertainty, and then defining a position tracking error ed, i (t), a synchronization error ei, i + 1 (t), a median deviation ei, m (t) and the position coupling error Ei (t) of the unmanned aerial vehicle clusters according to the formation constraint condition, giving a formation control target of the n unmanned aerial vehicle cluster, then establishing a position coupling error sliding mode controller of the n unmanned aerial vehicle cluster in combination with a sliding mode surface of the position coupling error, so as to obtain PWM pulse width modulation signals required for controlling the rotating speed of motors on all the unmanned aerial vehicles, and then sending the PWM pulse width modulation signals to electronic speed regulators of all the unmanned aerial vehicles, and then driving motors on the unmanned aerial vehicles to rotate, and achieving formation control of the n unmanned aerial vehicle cluster.