45results about How to "Reduce the number of cores" patented technology

The invention discloses a radar signal processor external communication control system. The radar signal processor external communication control system comprises an FPGA, which comprises a transceiving module used for interface management and transceiving of serial communication; a DSP, which is connected with the FPGA, and is used for control of transceiving time sequences, processing of communication protocol content, and configuration of communication parameters; and a connector, which is in a bidirectional connection with the FPGA. The radar signal processor external communication control system is advantageous in that the internal resources of the FPGA and the DSP are fully used, and a special 422 communication chip is not required, and corresponding peripheral circuit design is reduced, and therefore the communication control of the signal processor over other components of the radar is realized stably, and power consumption of a single device and device costs are reduced; parameter configuration is realized, and the requirements of the system on the diverse working modes are satisfied.

The invention provides a digital trusted instrument with a CAN interface. An external mechanical rotation angle variation quantity is transferred to a second automatic angle adjusting machine, and a fine channel angle digital quantity is obtained through an SDC module. The external mechanical rotation angle variation quantity is transferred to a first automatic angle adjusting machine through a speed reducer, and a coarse channel angle digital quantity is obtained through an SDC module. The coarse channel angle digital quantity and the fine channel angle digital quantity are subjected to coarse and fine combined operation of a single chip microcomputer, and a 17-bit trusted instrument position digital quantity is obtained. The trusted instrument position digital quantity is transmitted to a servo controller by a CAN bus driver module through a CAN data bus. A power supply module supplies power to the SDC modules, the single chip microcomputer and the CAN bus driver module. According to the digital trusted instrument, the direct influence on precision by excitation power supply interference is small, the conversion precision is ensured, and the calculation workload of a servo control computer is reduced.

The invention discloses an underwater unmanned ship communication system for achieving communication connection between an underwater unmanned ship body and an above-water base station of an unmanned ship, wherein the above-water base station is provided with a first electric power modem which is in communication connection with a second electric power modem on the unmanned ship body through a cable. A method combining an image transmission and data transmission common link with an electric power carrier technology is adopted by the underwater unmanned ship communication system disclosed by the invention, so that a man-machine interaction device can watch videos acquired by the unmanned ship while the unmanned ship is controlled and managed, and communication signals can be transmitted for a longer distance; and meanwhile, by adopting the method, the number of cable cores between the underwater unmanned ship body and the above-water base station is reduced to the utmost extent, so that the total weight of cables is reduced, and the maneuverability of the unmanned ship is improved.

The invention discloses an adaptive radiation dose calculation and simulation method for an irregular-shaped radiation source, which belongs to the field of nuclear facility decommissioning simulation. The invention includes establishing a three-dimensional geometric model of an object in three-dimensional modeling software and exporting it as an initial input; reading the three-dimensional model file of the object to obtain a grid model of the object; space division; using a cuboid to approximate the object model; An adaptive point kernel is generated from the overlapping part with the object; an adaptive point kernel is generated from the cuboid segmentation inside the object; the point kernel method is used to calculate the gamma radiation dose. The invention adopts the self-adaptive point kernel technology to improve the calculation efficiency, and can adjust the distribution density of the point kernel according to the position of the detection point to meet the requirements of radiation dose calculation time and accuracy, and can process any shape geometry, so that the modeling of the dose evaluation can be achieved. , The calculation process is more flexible and efficient.

The distributive underwater robot control system has RS-485 network as distributive control kernel and consists of computer system unit nodes and RS-485 network nodes. The computer system unit nodes to disperse the task to the network nodes include computer system unit and RS-232 / RS-485 converter. The RS-485 network nodes with monochip computer as kernel includes mainly state detecting nodes, equipment power supply controlling nodes, power supply controlling nodes, motor controlling nodes, emergency treating nodes, datan acquiring nodes and serial port device nodes. The network nodes are for the tasks of sensor datan acquisition and processing, device control, motor control, fault detection, water leakage detection and emergency treatment. All the nodes are connected together via RS-485 interfaces to constitute RS-485 network; and the software consists of computer system unit programs and monochip computer programs.

The invention relates to a medical pendant system. The medical pendant system includes movable parts, executive parts and a bus. The movable parts include a button control module, which includes brake system control buttons and pendant lifting control buttons. The executive parts include a main control board module, a drive board module, and a bus power supply. , Pendant motor and brake system, the main control board module is connected to the drive board module, bus power supply and brake system, the drive board module is connected to the pendant motor, the movable parts and executive parts are respectively connected to the bus, and the bus is used to transmit power supply and commands, the pendant lifting control buttons include the pendant up button and the pendant down button, both of which are two-step buttons. The invention can have the following beneficial technical effects: the height direction can be adjusted steplessly without changing the cable length; the number of cable cores is reduced; the circuit design is optimized, easy to install and maintain; it is convenient for function integration and expansion; Failure condition requirements; improved reliability.

The invention relates to the technical field of elevator communication, and discloses an elevator communication method based on a low-delay wireless network, a storage medium and a system thereof. The method includes: setting a first wireless module on the car top that is data-connected to a car top control board, The second wireless module is set in the control cabinet, and the first wireless module and the second wireless module are both wirelessly connected to the same cloud server; the first wireless module collects the status data in the car top control panel, and sends the status data to the cloud server; The cloud server sends the status data to the second wireless module, the control cabinet receives the status data through the second wireless module, and sends control commands to the cloud server through the second wireless module; the cloud server sends control commands to the car top control board through the first wireless module command, the car top control board receives and executes the control command; there is no need for expensive elevator communication cables, and when the accompanying cable fails to communicate, only the wireless module needs to be replaced, and maintenance is also convenient.

The present invention relates to the field of no-synchronization line technology, and in particular to a light curtain detection method and equipment without a dedicated synchronous line. The present invention uses a special lighting sequence and a lighting cycle to control the emission light source of the TX light curtain to complete a round of lighting; during the lighting process , RX performs reception synchronization; if it is not synchronized, the RX receives and selects the cycle of the headlight for continuous sampling at the first time; when there are signals continuously for N times, the timer is started, and after entering the timer, ADC data collection is performed and compared; If there is no signal for the first time and the tail light signal is successfully collected for the second time, the synchronization is successful; otherwise, the synchronization fails in any other way; if the synchronization is successful, the status is calculated according to the collected signal. If the synchronization fails and times out, it is directly judged as the blocked state, and finally Output the result according to the state of the light curtain; after output, the light curtain repeats the above steps. The method of the invention is simple, can reduce the number of cable cores and the anti-interference and protection circuit of the synchronous line, reduces the cost, and has the same performance as the light curtain of the synchronous line.