31results about How to "Simplify debugging difficulty" patented technology

The invention discloses an alignment system applied in a lithography device, which uses three periods phase grating with crude precision combination in a substrate marker or a substrate station reference marker, uses a first order diffraction light of the three periods as an alignment signal, simultaneously realizes a big capture range and gets high alignment precision, gets labeled deformation information and other useful information, and through the optimum design of the match and/or the layout of the three periods, the influence on an alignment position by asymmetrical deformation of the marker is effectively reduced.

An electronic device is disclosed in embodiments of the present invention. The electronic device has a metal frame, and also comprises an antenna feeding point, an antenna ground, a feeding branch, a grounding branch, an antenna resonance arm, a variable capacity and a control circuit. The antenna resonance arm is a part of the partitioned metal frame, and the antenna feeding point is set on the feeding branch. A first connector and a second connector are set on the antenna resonance arm. The first connector is set on a first end of the antenna resonance arm, and the second connector is set between the first end and a second end of the antenna resonance arm. The feeding branch is set between the second connector and the antenna ground, and the grounding branch is set between the first connector and the antenna ground. The variable capacity is set on the feeding branch and between the antenna feeding point and the second connector. The control circuit is used for adjusting the capacitance of the variable capacity. According to above disclosed contents, the technical solution provided in the present invention gives attention to both the bandwidth and efficiency of the antenna, and keeps appearance uniformity of the metal frame of the whole device.

The invention discloses an adaptive synchronous rectification control system and a control method of an active clamp flyback converter. The control system includes sampling and signal processing circuits, control circuits based on microcontroller and gate driver. The control method can realize the on-state of the secondary synchronous rectifier of the active clamp flyback converter, turn off too early, turn off too late, and directly detect the off-state, and can control the accurate on-state of the synchronous rectifier and the on-time of the synchronous rectifier in the next cycle accordingto the detection result. After several cycles of adaptive control, the synchronous rectifier enters the just-off state, avoids the output waveform oscillation of the active clamp flyback converter, reduces the loss and improves the efficiency. According to different state detection time periods, the comparator inside the microcontroller is multiplexed by time-sharing, which saves hardware resources, reduces circuit cost and debugging difficulty.

The invention discloses a networked train broadcasting system and an implementation method, and belongs to the technical field of urban rail transit vehicles and motor train units. A full Ethernet topology is adopted and is matched with a digital multimedia terminal. The POE power supply IEEE 802.3 af/at technology is adopted for the low-power-consumption terminal device. The switch adopts a dynamic host configuration protocol DHCP to automatically allocate the IP address of the terminal device. A VoIP technology is adopted to realize visual digital intercom. Based on a gigabit Ethernet communication technology, an embedded processor is used as a core, a full Ethernet topology, a digital multimedia terminal and an integrated control host are adopted, three subsystems are integrated with the Ethernet, and terminal device uses a POE power supply and DHCP technology.

The invention relates to a small two-stroke four-cylinder horizontally-opposed aero-engine compact and simple in structure, high in mechanical strength, wide in environment applicability, small in weight, high in efficiency and reliably, good in manufacturability and high in adaptability. According to the small two-stroke four-cylinder horizontally-opposed aero-engine, the manufacturing and debugging difficulty of an air door control system is simplified, the lubrication condition of a two-stroke engine crankshaft mechanism is effectively improved, and the problem about cooling during runningof a crank connecting rod motion pair is solved. The small two-stroke four-cylinder horizontally-opposed aero-engine meets the aviation high-strength flight requirement through a crankshaft, a connecting rod, a piston, a cylinder and a crankshaft box structure, and continuous cruising running for 10 h can be achieved at the altitude of 3,500 m or above under the work condition of 5,000 r/min.

The invention discloses an extraction zero-point micro-strip filter. One or more extraction zero-point units are arranged on input and output resonators of a parallel coupling line micro-strip filteror any one stage of resonator in the middle. Compared with the prior art, the extraction zero-point micro-strip filter has the beneficial effects that the parallel coupling micro-strip filter which can flexibly design transmission zero points through single coupling to improve out-of-band rejection, and can lower design and debugging difficulty is provided; by virtue of the extraction zero-point units, the transmission zero setting is quickly and flexibly achieved on the basis that the topological structure of the filter is not changed; and by adoption of the method provided by the invention,the out-of-band rejection of the micro-band filter is improved, and meanwhile, the design and debugging difficulty of the filter is simplified.

The invention discloses a cable-equipped waveguide component with a small-size tail part. The cable-equipped waveguide component comprises a waveguide tube and a cover plate which is fixedly connected with one end of the waveguide tube through screws. The waveguide tube has a rectangular structure, the internal part is provided with steps, and the steps are provided with blind holes. The center of the cover plate is provided with a through hole which is internally provided with position limiting steps. The external end of the through hole is provided with chamfers. A cable is welded in the through hole of the cover plate. The cable and the cover plate are welded. Connection and fixing of the waveguide tube are performed through the screws so that assembling is simplified. The position limiting steps are arranged in the through hole of the cover plate so that the cable-equipped waveguide component has great weldability and accurate position limiting. The external end of the through hole is provided with the chamfers so that installation of the cable is facilitated, assembling difficulty and debugging difficulty of the conventional waveguide cable component can be simplified, the number of processing components can be reduced, miniaturization of the product can also be realized, and operation is simple and convenient and the performance is stable and reliable.

The invention discloses a rapid fault detection method and detection system, so that a fault of a to-be-detected product is detected rapidly. The to-be-detected product is formed by connection of an electronic cabin and a position marker by a connection wiring harness; and the position marker is provided with an X1 wiring terminal plate for welding of the connection wiring harness. The detection method comprises: an auxiliary device for generating a reference signal is placed on a test stand; a signal ground wire of the auxiliary device is fixed on a to-be-tested product; the auxiliary device is provided with a signal output probe, the signal output probe is in contact with the X1 wiring terminal plate, and a signal acquisition system collects a static map of the to-be-tested product; if the static map is normal, a fault is located at the position marker; and if the fault still exists, the fault is located at the electronic cabin. With the method disclosed by the invention, the trouble elimination efficiency is improved; and the hidden damage on the connection wiring harness caused by repeated docking is reduced, so that the product reliability is improved.

The invention discloses a hydraulic type mould pressure system. The hydraulic type mould pressure system comprises an upper mould base and a lower mould base; a hydraulic rod and a cooperatively used piston rod are arranged between the upper mould base and the lower mould base; a hydraulic mechanism is arranged below the upper mould base; transmission air cylinders are symmetrically arranged below the hydraulic mechanism; each transmission air cylinder is connected with a synchronous module; a mould punch is arranged on the synchronous module; a material popping device connected with the hydraulic mechanism is arranged at the middle part of each mould punch; a lower mould used cooperatively with the mould punch is arranged on the lower mould base. The hydraulic type mould pressure system is simple in structure, realizes constant, adjustable and quantitative management of pressure, simplifies the mould adjusting difficulty, and meets the actual use requirement.

The invention discloses a new 8-shaped combination cable used for transmitting the communication signal of TD-SCDMA base station to a launch tower top, comprising an optical cable, a electric power cable and a woven cable which are coated in an outer sheath with the section being 8-shaped; the optical cable and the electric power cable are coated in a first sheath unit of the outer sheath; the woven cable is coated in a second sheath unit of the outer sheath; the first sheath unit and the second sheath unit are all in a shape of round tube and form the outer sheath with the 8-shaped section asa whole; the electric power cable connection is positioned on the power port of photoelectric conversion device of the launch tower top, and the optical cable connects the signal input end of the photoelectric conversion device. The new eight-shaped combination cable of the invention transmits by adopting the optical cable. The optical cable has small transmission loss, light product weight, lowcost and convenient and flexible use, enables the distance between antennae and a machine room to be farther, and is beneficial for the construction of distributed base station.

The embodiment of the invention discloses a human-computer interaction method, device and equipment and a readable storage medium. The method comprises the steps: carrying out the multi-intention understanding of input information after the input information is obtained, and obtaining a plurality of intention understanding results; determining a target intention according to the plurality of intention understanding results; calling a target sub-process corresponding to the target intention to respond to the input information; wherein the target sub-process is one sub-process in the plurality of sub-processes; wherein intentions corresponding to different sub-processes are different. According to the embodiment of the invention, the method comprises the steps: carrying out the processing, dividing a conversation process into a plurality of sub-processes according to intention; each sub-process is only responsible for the service logic related to the corresponding intention, so that a developer only needs to pay attention to the service logic related to the sub-process during development, a plurality of developers can develop different sub-processes at the same time, the developmentdifficulty of the developer is greatly reduced, and the debugging and design difficulty is simplified. Meanwhile, the developed sub-process can be reused, so that developers are prevented from repeatedly creating similar functions.

The invention discloses a fan-type air flow indicator, which comprises a transparent short pipe, flanges and a fan assembly, wherein the flanges are arranged at two ends of the transparent short pipe for connecting the transparent short pipe in an air pipeline; and the fan assembly is arranged inside the transparent short pipe for indicating the air flow state and the air direction. The operation is simple; the cost is low; defects in the prior art can be overcome; the problem of insufficient air suction or air exhaust balance at the tail end of an air gathering processing or ventilation system can be effectively solved; the system debugging, operating and maintaining difficulty is greatly simplified; the number of air valves and the number of flow meters can be reduced; and the pipeline system cost is saved.

According to a dynamic cascade predictive control method based on a current error threshold value, different control targets are subjected to priority ranking according to the importance degree, then multi-target control is achieved in the mode that switching vectors are screened according to the priority sequence, so that the problem that a traditional model is numerous in control right coefficient and complex in debugging, and the problems of multi-target mixing and priority confusion are solved. According to the method, the number of the switching vectors screened by a first-stage current controller is automatically adjusted through current error calculation, and the problem of poor control performance of a lower-priority target caused by the fixed screening switching vectors in traditional cascade prediction control is solved. In addition, the method also improves the effect of first-stage current control, and improves the grid-connected power quality of a permanent magnet synchronous fan. The method has a wide application prospect in the field of wind power integration.

The invention discloses an intelligent digital display angle sensor. The angle sensor comprises a high sensitivity angle sensing chip, an embedded industrial microprocessor, a pulse width modulation and control module, a digital display and an infrared remote control. The intelligent digital display angle sensor is characterized in that the microprocessor is connected with the angle sensor, the pulse width modulation and control module and the digital display, and is in wireless communication connection with the infrared remote control. The microprocessor outputs signals in the form of pulse width modulation signals in real time, and outputs voltages of 0-10V, 0-5V and +/-5V, 4-20mA current, and serial digital communication respectively through an analogue voltage output port, a current output port and a serial communication port. The three types of output signals can be used as control source input signals for industrial control application; and the infrared remote control is used for controlling field application of the angle sensor in a non-contact way in real time. The angle sensor can be widely applied to multi-unit synchronous control in fields of textile, paper making, leather, cable and iron and steel.

A broadcasting television receiver-transmitter monitoring system based on a single chip computer comprises a single chip computer and is characterized by also comprising an asynchronous receiving and transmitting module, a monitoring and collecting module, a storage module, a man-machine conversation module, an electrically controlled attenuator and a switching quantity control module, wherein the asynchronous receiving and transmitting module is connected with the single chip computer, and the monitoring and collecting module is connected with the single chip computer by an A/D converter module; the man-machine conversation module is connected with the single chip computer, and the electrically controlled attenuator is connected with the single chip computer by a D/A converter module; the switching quantity control module is connected with the single chip computer by a flip-latch; and the single chip computer is internally integrated with the A/D converter module, the D/A converter module and the storage module. The invention supplies various parameter monitoring, outputs multipath analog control quantity and switching control quantity, has a good man-machine conversation platform, memories the last operation capacity during breaking off, well communicates with a host computer and a lower computer, has a warning and error-reporting function and achieves remote monitoring by sending messages.