122 results about "Arm microcontroller" patented technology

The invention discloses an intelligent 360-degree multi-dimensional mechanical arm of an automobile equipment line, and relates to a mechanical arm. A large side plate is provided with a pressure energy accumulator, one end of a composite lifting arm I and one end of a composite lifting arm II are respectively connected with the pressure energy accumulator, the other end of the composite lifting arm I and the other end of the composite lifting arm II are connected with a connecting plate I, one end of a lifting air cylinder is connected with the large side plate, the other end of the lifting air cylinder is connected with the composite lifting arm II, one end of a front-and-back swinging air cylinder is connected with the pressure energy accumulator, and the other end of the front-and-back swinging air cylinder is connected with a composite swing arm I. Due to the adoption of a pneumatic clamp device capable of being rotated by 360 degrees under servo control, material grabbing and rotating are achieved, clamping time is saved, and labor intensity of workers is reduced in the assembling process. Meanwhile, a sensor network and an advanced ARM microcontroller are adopted in the mechanical arm to achieve intelligent detection and digital fuzzy control, state sensing and intelligent feedback control of the assisting mechanical arm are achieved in the working process, and safety and the automation level of products are improved.

The utility model discloses an embedding type digital multifunctional invert soft switch arc welding power based on ARM, and the embedding type digital multifunctional invert soft switch arc welding power comprises a main circuit, a control circuit, and a high frequency arc ignition circuit; wherein, the main circuit comprises a rectifying and filtering module, a high frequency inverter module, a power transformer module, and a rectifier smoothing and arc stabilizing module, the control module comprises an over-voltage and under-voltage protecting and detecting module, a current and voltage sampling, detecting, and feedback module, an ARM microcontroller, and a high frequency drive module. The invention realizes the fully digital control; the refinement control for the transient energy of the welding arc can be realized in real time, to lead the control of the welding process to be more precise and flexible; by adopting the soft switch high frequency 1GBT invert technology, the efficiency and invert frequency are further improved, the production material is saved while the electric-magnetic compatible ability and the reliability of the inversion welder is improved; the multifunctional application of manual welding / direct current argon-arc welding / impulse argon-arc can be provided, and the interface function of networked management is provided beforehand.

The invention discloses a special-purpose controller of an electronic press, and a control method, and belongs to the field of equipment manufacturing. The controller comprises an ARM microcontroller and an FPGA, wherein the FPGA and the ARM microcontroller communicate through a high-speed bus; the ARM microcontroller is connected with an external sensor, a host computer and the like through interfaces for realizing high-speed acquisition and operation of pressure data, real-time monitoring and determining of a pressing process, real-time display of pressure and displacement, communication, system management and the like; and the FPGA is the core of motion control, is connected with a servo driver through a servo interface module, controls the speed, the accelerated speed, the torque, the displacement and the like of a servo motor by use of an embedded fuzzy nerve network PID special-purpose motion control algorithm under the cooperation of the ARM microcontroller, realizes accurate pressing and positioning, and carries out real-time monitoring and determining through a touch screen, and thus the quality of assembled products is improved.

The invention discloses a data recording analysis system and method for a maneuver missile launching device. The data recording analysis system comprises a missile launching device data recording device and an upper computer. The missile launching device data recording device comprises an ARM microcontroller module, a power module, a digital signal processor (DSP) module, a data storage card slot, a universal serial bus (USB) interface circuit module, a power switch, a video decoder, an analog to digital (A / D) conversion circuit module, a first voltage conversion circuit module, a camera, a second voltage conversion circuit module, a data storage card, a keyboard, a video output interface and a display. A USB interface of the upper computer is connected with a card reader. The method comprises a first step of installation, a second step of benchmark data collection and recording, a third step of shooting data collection and recording and a fourth step of data download, analysis and process and display. The data recording analysis system and method are novel and reasonable in design, convenient to achieve, high in data recording precision, good in judgment accuracy, and complete in function and high in practicality and popularization application value.

The invention discloses an intelligent digital micro-mirror driving time sequence configuration method and device. The device comprises a PC (Personal Computer) machine, a digital micro-mirror driving plate and a digital micro-mirror device DMD (Digital Micro-Mirror Device), wherein the digital micro-mirror driving plate is connected with the PC machine and the digital micro-mirror device DMD respectively; the digital micro-mirror driving plate comprises an ARM microcontroller, an FPGA (Field Programmable Gate Array) and a color wheel; the ARM microcontroller is connected with the FPGA and the color wheel, respectively; the FPGA is connected with the color wheel and the digital micro-mirror device DMD, wherein the FPGA is internally provided with a driving circuit; the driving circuit comprises an SPI (Serial Peripheral Interface) interface module, a driving sequence table storage and a general state machine; the SPI interface module is connected with the driving time sequence table storage; and the general state machine is connected with the driving time sequence table storage, and is capable of reading the content in the driving sequence table storage and then generating a corresponding driving time sequence. With the adoption of the intelligent digital micro-mirror driving time sequence configuration method and device, the problem that the digital micro-mirror device has high difficulty in the driving of time sequence can be solved; the DMD driving time sequence can be flexibly configured; the DMD driving time sequence is convenient and flexible to be modified; and the development efficiency of the DMD driving is greatly improved.

The invention discloses an underground coal mine environment information monitoring system based on the Internet of Things is composed of an underground coal mine environment information monitoring center and a plurality of underground coal mine environment information monitors. The underground coal mine environment information monitoring center comprises a central control unit, a Zigbee wireless network coordinator and an early warning device. Each underground coal mine environment information monitor comprises a gas concentration measuring instrument, a CO concentration measuring instrument, a dust concentration measuring instrument, a temperature measuring instrument, a humidity measuring instrument, an ARM microcontroller, a Zigbee communication module, a power source and an alarm device. The underground coal mine environment information monitoring system based on the Internet of Things has the advantages of being simple in structure, wide in coverage, intelligent, comprehensive in information collection, good in real-time performance and the like, the gas and other inflammable gases can be accurately monitored in real time, early warning can be carried out on the underground coal mine gas, the fire disaster and other danger sources and hidden dangers, the safety of mine production can be improved, and accidents are prevented.

The invention provides a 3D (Three-dimensional) printer control system based on ARM. The 3D printer control system based on the ARM is characterized by comprising an upper computer design side and a core control panel integrated with an ARM microcontroller. The upper computer design side is used for carrying out initial configuration on the core control panel integrated with the ARM microcontroller through a firmware; a three-dimensional model of a printing material object is processed through a slice software so as to generate a G code command; and the G code command is stored in a data storage module. The core control panel integrated with the ARM microcontroller is used for reading the G code command in the data storage module, analyzing the G code command, and generating a corresponding control command for controlling a 3D printer to work, wherein the G code command comprises information of a motion trajectory planner and motion control. The 3D printer control system based on the ARM provided by the invention adopts an ARM microcontroller chip with a high performance, stores a design scheme in an SD (Secure Digital) card so as to realize high-accuracy 3D printing, and has highwork reliability and stability.

The invention discloses a portable automobile exhaust analyzer based on state IV standards, which consists essentially of an ARM microcontroller module, a human-computer interaction module, a sensor module, an external expansion interface module, a combustion analysis and fault diagnosis module and the like, wherein the ARM microcontroller module is respectively connected with the human-computer interaction module, the sensor module, the external expansion interface module and the combustion analysis and fault diagnosis module; and the invention fully complies with relevant national standards, has high accuracy and good dynamics, is applicable to the real-time measuring and analyzing of automobile exhaust for the institutions such as scientific research institutions, exhaust detecting stations, environmental protection departments and the like, and simultaneously is characterized by simple and convenient operation, low cost and the like. The advanced instrument and technology are utilized to strengthen the detection of automobile emission pollutant so as to further accurately monitor the automobile emission pollutant level, thus having important significance in making pollution control policies, improving the ambient air quality and guaranteeing the health of people.

The invention discloses an intelligent solar street lamp system. The system comprises an LED lamp, a universal pan-tilt, a solar cell panel, a solar ray detection sensor, a solar street lamp control box, an infrared microwave dual technology detector and a storage battery. The solar ray detection sensor comprises a bottom plate, four light-transmitting material plates, four photoelectric elements and a transparent protection cover. A solar street lamp control circuit comprises an ARM microcontroller module, a voltage conversion circuit module, a crystal oscillation circuit module, a reset circuit module, a GPRS wireless communication module, a key operation circuit module, an amplifying filtering circuit module, a solar charging circuit and a relay. The universal pan-tilt is connected with the output end of the ARM microcontroller module. Power consumption of the solar street lamp is reduced, energy sources are saved, the intelligence degree of the solar street lamp is improved, the convenient and clean energy is supplied, the function of the solar street lamp is increased, the use effect is good, and the intelligent solar street lamp system is convenient to use and popularize.

The invention discloses a dedicated multi-channel intelligent gateway for industrial metering pump set cluster remote monitoring. The intelligent gateway is composed of an ARM microcontroller, a periphery circuit, a CAN communication module, an Ethernet communication module, and a 4G communication module, and used for realizing two-way data passthrough communication among a remote PC work station,a mobile phone side and a detected digital frequency-variable controller for the metering pump, and realizing the stable remote networked monitoring on the industrial metering pump set cluster system. The communication quality and the network stability can be maximally guaranteed through a multichannel redundancy communication scheme and a communication abnormal emergency mechanism. The effectiveness and the instantaneity of the communication and the control are satisfied by adopting an advanced underlying network priority policy and a scheduling algorithm and an upper layer network efficientblocking technology. And meanwhile, the working efficiency of the metering pump set can be maximally guaranteed by adopting an effective underlying network node management mechanism, and the loss onthe production quality caused by the offline of individual node is avoided.

The invention discloses an intelligent control device of an electric oven. An upper heating pipe, a lower heating pipe and a direct current motor for driving the electric oven are arranged inside the electric oven; the intelligent control device of the electric oven comprises an ARM microcontroller and a rechargeable battery, wherein the input end of the ARM microcontroller is connected with a clock circuit module, a key operation circuit module, a time setting knob, an upper digital temperature sensor and a lower digital temperature sensor; the output end of the ARM microcontroller is connected with a nixie tube display circuit module, a sound-light alarm driving circuit module, an upper two-color LED indicator lamp, a lower two-color LED indicator lamp, a direct current motor driver module, an upper solid-state relay, and a lower solid-state relay; the upper solid-state relay and the lower solid-state relay are respectively connected in series with power supplying loops of the upper heating pipe and the lower heating pipe; the output end of the sound-light alarm driving circuit module is connected with a sound-light alarm device. The intelligent control device disclosed by the invention is simple to operate, high in control precision of the heating temperature, uniform in heating, and high in operational reliability.

The invention provides an on-satellite energy control system based on an ARM (Advanced RISC Machine). The system utilizes an ARM microcontroller which is high in on-chip resource integration level, small in size and low in power consumption to form an intelligent component used as a core processing module for energy management; multiple on-chip resources such as an analog / digital converter and a CAN (Controller Area Network) which are integrated on an ARM processor are utilized, so that corresponding peripheral circuits are not required to be additionally established so as to realize the control function in a minisatellite energy management process. Therefore, the complexity of a minisatellite energy management system is simplified, the cost of the minisatellite energy management system is lowered, the real-time performance and the integrated level of energy management are improved; and in addition, dynamic management is carried out on loads, during an ontrack running period of a minisatellite, telemetry parameters such as the voltage of a storage battery, the current of a matrix and the load current are periodically monitored, slicing management is carried out on an energy space, and then the divided energy spaces are used by different loads, so as to guarantee the reasonable, safe and effective use of satellite energy and further improve the energy utilization.

The invention provides an automatic cherry sorting robot system and method. The system comprises a cherry conveying unit, an image acquisition unit, a sorting execution unit and a processing control unit, wherein the cherry conveying unit comprises a main track conveyor, a first auxiliary track conveyor and a second auxiliary track conveyor, wherein the image acquisition unit comprises a first visible near infrared light source, a second visible near infrared light source, a first visible light near infrared camera and a second visible light source near infrared camera, the sorting execution unit comprises a sorting mechanical arm and a tail end executor, and the processing control unit comprises an upper computer, a mechanical arm microcontroller and a transmission circuit. According to the robot sorting system, the damage rate of cherries in the cherry sorting process can be reduced, the grading standard and the sorting efficiency of the cherries are improved, and the economic benefit of the cherry industry is increased.

The invention discloses a system for monitoring the safety of the production, storage and conveying processes of fireworks and crackers, and the system comprises a production workshop monitoring terminal, a warehouse monitoring terminal, a conveying vehicle monitoring terminal, a monitoring server, and a monitoring computer. The production workshop monitoring terminal, the warehouse monitoring terminal, the conveying vehicle monitoring terminal, the monitoring server and the monitoring computer are connected and communicate with each other through the Internet. The production workshop monitoring terminal comprises a workshop environment detection device and a workshop environment analysis and processing device. The warehouse monitoring terminal comprises a first ARM microcontroller module, a first DSP digital signal processor, a first camera, a second camera, a third camera, and a fourth camera. The conveying vehicle monitoring terminal comprises a carriage environment detection device and a carriage environment monitoring device. The system is convenient to use and operate, avoids fire and explosion accidents, improves the safety of the production, storage and conveying of the fireworks and crackers, and is high in work stability and reliability.

The invention discloses a household coarse cereal food flour mill with a mobile phone remote control function. The household coarse cereal food flour mill comprises a coarse cereal food flour mill main body and a coarse cereal food flour mill controller. The coarse cereal food flour mill main body comprises a frame, a casing , a top cover, a stirrer, a stirring propeller, a stirring breaking cutter, a cutter head, a filter sieve, an electric vibrator, a material outlet, a material collection box, a power adapter and a battery socket. The coarse cereal food flour mill controller comprises an ARM microcontroller module, a voltage conversion circuit module, a crystal oscillation circuit module, a reset circuit module, a GPRS wireless communication module, grinding starting and stopping keys, a LED bar lamp and a vibration control relay. The household coarse cereal food flour mill has a simple structure and a reasonable design, is convenient for implementation, has a low cost, can be operated conveniently, is healthy and environmentally friendly, has high milling efficiency, good effects and a high automation degree, realizes mobile phone remote control, has strong practicality and is convenient for promotion and application.

The invention discloses a multifunctional environment quality detection and publishing system. The system comprises an ARM microcontroller module, a solar power supply source, a crystal oscillator circuit module, a reset circuit module, an SD card interface circuit module, a CDMA wireless communication module, an Ethernet communication circuit module, an SD card, a button circuit module, a clock circuit module, an air quality detector, a meteorology sensor, a multipath module switch, a signal conditioning circuit module, a noise sensor, an electromagnetic radiation sensor, an ionizing radiation sensor, a liquid crystal display screen, a fault alarm circuit and an over-limit alarm circuit, wherein the ARM microcontroller module is integrally integrated with an A / D converter, and the solar power supply source comprises a solar cell panel, a solar charge circuit, a storage battery, a voltage conversion circuit module and a battery electric quantity detection circuit. The system is simple in structure, convenient to realize, wide in detection range, high in intelligentization, stable, reliable and safe in operation, high in energy conservation and environmental protection and high in promotion and application values.

The invention discloses a general AC motor driving detection system. The system comprises an ARM microcontroller, a power supply module, a touch screen display, a serial port communication module, and a motor driving circuit. The input end of the ARM microcontroller is connected with a phase current acquisition module, a position information acquisition module and a rotation speed torque information module; the output end of the ARM microcontroller is connected with a CPLD; the input end of the motor driving circuit is connected with the CPLD; and the phase current acquisition module comprises a phase current sampling circuit, a first photoelectric isolation circuit and a first signal amplification circuit; the position information acquisition module comprises a position sensor, a second photoelectric isolation circuit and a second signal amplification circuit; and the rotation speed torque information module comprises a torque rotation speed sensor, a third photoelectric isolation circuit and a third signal amplification circuit. The general AC motor driving detection system has the advantages of novel and reasonable design, wide application scope, simple operation, reliable performance, low cost, reliable control, high precision and high practicality.

Disclosed in the invention is a solar-photovoltaic-generating intelligent bus stop board system comprising a bus stop board support, a bus stop board body, a photovoltaic panel support, and a solar photovoltaic panel. An antenna support and a camera support are installed on the top of the bus stop board body; a wireless communication antenna is installed on the antenna support; and a wide-angle monitoring camera is installed on the camera support. A bus stop board controller and a storage battery are installed in the bus stop board body; the bus stop board controller consists of an ARM microcontroller module, a voltage conversion circuit module, a hard disk interface circuit module, a USB communication interface circuit module, a CDMA wireless communication module, a key operation circuit module, a clock circuit module, and a charging control circuit. A stop name writing plate, an LED video player, and a plurality of LED bus arrival information display screens are installed on the external surface of the bus stop board body. According to the invention, the functions of the system are complete; the limited power resources are substantially saved; and the great convenience is provided for people going out by bus.

The invention discloses a portable water quality analyzer. The portable water quality analyzer comprises a shell, a water quality analysis circuit board and a shell cover, and the water quality analysis circuit board is integrated with a water quality analysis circuit; the shell cover comprises a supporting plate, a photometer, a surface membrane and a surface membrane button disc, the middle position of the top surface of the supporting plate is connected with a display screen, the display screen and the surface membrane button disc are arranged side by side, and the top surface of the supporting plate is provided with a photometer protection plate, a power socket, an electrode socket and a switch; and the water quality analysis circuit comprises an ARM microcontroller module, a crystal oscillator circuit module, a reset circuit module, a data storage circuit module, an A / D converter, an amplification circuit module and an I / V converting circuit module, the output end of the photometer is connected with the input end of the I / V converting circuit, the surface membrane button disc is connected with the input end of the ARM microcontroller module, and the display screen is connected with the output end of the ARM microcontroller module. The portable water quality analyzer has the advantages of small size, portability, realization of timely obtaining of water quality parameters, and high working stability and reliability.

The invention discloses a natural gas well safety monitoring system which comprises multiple gas delivery pipeline pressure measurement and control terminals and a security monitoring and control server in remote wireless connection with the gas delivery pipeline pressure measurement and control terminals through a 3G network and an Internet network. Multiple security monitoring and control computers are connected onto the security monitoring and control server through switches, and each security monitoring and control computer is connected with a safety alarm. Each gas delivery pipeline pressure measurement and control terminal comprises an ARM microcontroller module, a solar charging battery, a crystal oscillator circuit module, a reset circuit module, a data storage circuit module, a 3G module, a battery electricity quantity detecting circuit module, a press key operation circuit module, a pressure transmitter, an electric stop valve and a charging control circuit, wherein a solar cell panel is connected onto the charging control circuit. The natural gas well safety monitoring system achieves remote control of the electric stop valves, is high in intelligentization degree and working reliability, high in electric stop valve control efficiency and good in practicability and saves manpower and material resources.

The invention discloses an expressway traffic fault information collection and transmission system comprising multiple traffic fault collection and release networks formed by multiple traffic fault collection terminals, a traffic fault release terminal and a monitoring computer. Each traffic fault collection terminal comprises a DSP (digital signal processor) module, a first voltage conversion circuit module, a first ZigBee wireless communication module, a data storage circuit module, an RFID card reader module, a CCD camera, an early warning lamp and an anti-fog lamp. The traffic fault release terminal comprises an ARM microcontroller module, a second voltage conversion circuit module, a second ZigBee wireless communication module and a GPRS wireless communication module. The expressway traffic fault information collection and transmission system has the advantages of novel and reasonable design, quick response, convenient use and operation, high reliability and complete functions. The defects and shortcomings in the prior art, for example, fault treatment and early warning are inconvenient, response is slow, warning and prompt information cannot be timely sent to subsequent vehicles, are solved.

The invention discloses a drying temperature intelligent control system for a clothes dryer. A resistive heater, a mini air pump, a gas ejector pipe and an air pressure adjustment solenoid valve are arranged in the clothes dryer. The drying temperature intelligent control system comprises an ARM microcontroller module, a power source module, a crystal oscillating circuit module, a reset circuit module, a data storage circuit module, a touch-type liquid crystal display, a temperature sliding window, an air pressure sliding window, a power switch, a temperature sensor, a signal processing circuit module, a humidity sensor, a pressure sensor, a PID controller, an air pump drive circuit, a solenoid valve opening adjustment circuit and a heating power adjustment circuit. The drying temperature intelligent control system for the clothes dryer is simple in structure, reasonable in design and convenient and fast to use and operate, and is capable of conveniently controlling the drying temperature in the clothes dryer, and is applicable to the drying needs of clothes in various materials, and is high in working stability and reliability, strong in practicability, good in using effect, and is convenient to promote and use.

The invention discloses a real-time on-line monitoring system for an overloaded truck passing a bridge. The real-time on-line monitoring system includes an RFID card, a management computer, a plurality of pressure sensors, a speed bump, an RFID card reader, a plurality of monitoring cameras, and an overload controller. The overload controller includes an ARM microcontroller module, a power supply module, a crystal oscillation circuit module, a reset circuit module, an SD card data storage circuit module, an RS-485 communication circuit module, a touch type liquid crystal display screen, an Ethernet communication circuit module, a power switch, a multipath simulation switch, a clock circuit module, a signal conditioning circuit module, and a voice prompt circuit module. The real-time on-line monitoring system has the advantages of simple structure, reasonable design, convenient use and operation, high vehicle overload detection accuracy, complete function, high working stability and reliability, high practicability, and easy popularization and use.

The invention discloses an intelligent building fire control system. The intelligent building fire control system comprises a smoke sensor, a temperature sensor, an ARM microcontroller, a nitrogen fire extinguisher, a fire sprinkler system, a camera and an alarm. The intelligent building fire control system is provided with the smoke sensor and the temperature sensor, and the smoke sensor and the temperature sensor are in signal connection with the nitrogen fire extinguisher and fire sprinkler system through a control unit. The combined structure increases detection means and fire control methods, so that the fire can be monitored in multiple aspects to avoid fire monitoring paralysis caused by faults in one aspect, a monitoring unit is arranged, and is in signal connection with a background monitoring server through the control unit, therefore, the fire situation and floor information can be monitored in real time, and then fire fighters can make corresponding rescue measures. The intelligent building fire control system disclosed by the invention is simple in structure, various in detection and control methods, real-time in monitoring, beneficial to fire control, and safe and convenient to use.

The present invention discloses a bearing heat radiation remote monitoring system which comprises a water-cooled bearing seat, a cooling water circulation system, and a heat radiation control system. The water-cooled bearing seat comprises a bearing seat body, a water-cooled cavity, a first semiconductor refrigeration chip, and a bearing seat temperature sensor. The cooling water circulation system comprises a cooling water tank, a first water pump, a first water pressure sensor, a first water temperature sensor, a cooling water circulation inlet pipe, a second water pump, a second water pressure sensor, and a second water temperature sensor. The heat radiation control system comprises a user mobile phone, a monitoring computer, an ARM microcontroller module, an SD card data storage circuit module, a GPRS module, an Ethernet communication module, a third water temperature sensor, a signal conditioning circuit module, a key operation circuit module, a second semiconductor refrigeration chip, a liquid crystal display, a first water pump driver, a second water pump driver, a first switch circuit, and a second switch circuit. The bearing heat radiation remote monitoring system has no cooling dead angle, the cooling is uniform, and the life of a bearing can be prolonged.

The invention discloses a bus gearbox control device based on an ARM microcontroller. The bus gearbox control device comprises an ARM microcontroller, a crystal oscillator circuit module, a reset circuit module, a SD card data storage circuit module, and a GPRS wireless communication module. The input end of the ARM microcontroller is connected with a clock circuit module, a key operation circuit module, and a signal conditioning circuit module. The signal conditioning circuit module is formed by an amplifying circuit module, a filtering circuit module, and an A / D conversion circuit module. The input end of the amplifying circuit module is connected with a temperature sensor, a fuel quantity transducer, an oil pressure sensor, and a vehicle speed sensor. The output end of the ARM microcontroller is connected with an LED display screen, a charging control circuit, a first flow valve, a second flow valve, and a relay. The device solves problems of gearbox early damage, clutch early damage, and transmission system early damage, so development of buses meets low carbon technology requirements, and the low carbon technology is suitable for urban development.

The invention relates to a magnetic isolation data input-output module based on ARM self-adaptive direction control. The module comprises an ARM microcontroller, a self-adaptive control magnetic isolation RS-485 receiving-transmitting reversing circuit, a magnetic isolation input-output free conversion circuit and a starting mode selection circuit, the self-adaptive control magnetic isolation RS-485 receiving-transmitting reversing circuit, the magnetic isolation input-output free conversion circuit and the starting mode selection circuit are connected with the ARM microcontroller respectively, the self-adaptive control magnetic isolation RS-485 receiving-transmitting reversing circuit comprises a chip ADuM2483 and a triode collector, two ADuM1400 chips of the magnetic isolation input-output free conversion circuit totally have 8 input-output channels, a three-pin jumper wire is added at the input-output end of each input-output channel, and the starting mode selection circuit comprises a resistor R18, a resistor R19 and a two-pin jumper wire. By the magnetic isolation data input-output module based on ARM self-adaptive direction control, data transceiving efficiency is improved, stability and interference resistance are high, and two methods for updating system firmware by a special programmer and a serial port are provided.

The invention discloses a coal mining machine intelligence control system based on an ARM microcontroller. The system comprises an ARM microcontroller module, a power supply module, a crystal oscillator circuit module, a reset circuit module, a data storage circuit module, a USB communication circuit module, an analog quantity input interface, a signal conditioning circuit module, a first current sensor, a second current sensor, a first temperature sensor, a second temperature sensor, a third temperature sensor, a gas sensor, a position sensor and an angle sensor. The input end of the ARM microcontroller module is connected with a switching quantity input interface and a button operation circuit module, the input end of the switching quantity input module is connected with a left remote controller, a right-end station, a panel button, a right-end station and a right remote controller, and the output end of the ARM microcontroller module is connected with a switching quantity output interface, a first frequency converter and a second frequency converter. The system provided by the invention has the advantages of stable and reliable work, high control precision, high efficiency and convenient installation and maintenance, thereby facilitating promotion and application.

The invention relates to an automatic human eye tracking system for a computer optometry instrument, which is characterized by comprising a key module, a signal acquisition module, an image processingunit, an ARM microcontroller, a three-dimensional moving module and an SD card module, wherein the image processing unit comprises a scanning module, an identification module, a tracking module and afocusing module. The invention also relates to an automatic human eye tracking method for a computer optometry, which is characterized in that the tracking method comprises the following steps of: 1)mode selection; 2) signal acquisition; 3) signal processing; 4) three-dimensional tracking adjustment; 5) data storage. The system is scientific and reasonable in design, accurate in positioning andfocusing and capable of realizing automatic and intelligent tracking and positioning of human eyes, improving vision testing precision and testing speed, and improving working efficiency.

The invention relates to a semiconductor laser therapeutic instrument power correction system and method, and belongs to the technical field of medical instruments. The system comprises a man-machineinteraction module, a 32-bit ARM microcontroller, a DA conversion module, a laser output control module, a power feedback module, and a laser device module, wherein after the man-machine interaction module selects a laser tube needing to be corrected and presets a power value, an actual laser device output power value is tested, and when the actual measurement value is inconsistent with a preset value, the required power value is adjusted and corrected through a key for correction. According to the invention, accurate correction of the laser power of the semiconductor laser therapeutic instrument can be realized only through human-computer interface adjustment without opening equipment, so that the problem of inaccurate and inconvenient correction of the laser power of the semiconductor laser therapeutic instrument in the prior art can be solved.