4207results about How to "Realize remote control" patented technology

Disclosed is a remote control method for appliances in an intelligent home system. The method comprises that a remote control device is used for responding the input of a user and sending corresponding control commands to an intelligent gateway through the internet, control commands contain operation commands and appliance information executing the operation commands, the intelligent gateway receives the control commands, the intelligent gateway extracts operation commands in the control commands and the appliance information executing the operation commands, the intelligent gateway sends controlling signals containing operation commands to appliances executing operation commands, and appliances receive control signals and execute corresponding operations. The intelligent gateway of the intelligent home system can receive control commands sent by a central sever and the remote control device and control corresponding appliances to execute corresponding operations. The invention also provides a remote-control intelligent gateway and the remote-control intelligent home system.

The invention discloses a fracturing manifold quick connecting device. A first movable elbow, a linear pipe, a second movable elbow, a plug valve and a check valve are connected in sequence. A supportis fixedly connected with the second movable elbow. One end of an oil cylinder is connected with the linear pipe. The other end of the oil cylinder is connected with the support. The oil cylinder candrive the linear pipe to rotate around the second movable elbow. A control unit controls the oil cylinder through a hydraulic system, and accordingly, rotation of the linear pipe is controlled. The fracturing manifold quick connecting device has the beneficial effects that a one-way valve enables one-way flowing of fracturing fluid from fracturing equipment to a manifold package to be achieved, the situation that reflux of the fracturing fluid damages the fracturing equipment is avoided, the one-way valve can further gather fluctuation caused by a pressure difference to the position where thequick connecting device is connected with the manifold package, vibration of the whole quick connecting device is reduced, and the service life is prolonged; the plug valve achieves on-off of drainage of the single fracturing equipment, and the maintenance cost is lowered; and the hydraulic system achieves automatic adjustment of the quick connecting device, no manual uplifting or pressing is needed, the control unit enables remote control to be achieved, time and labor are saved, and the manual operation difficulty is lowered.

The invention discloses an intelligent household control system based on a cloud service network, which comprises a storage transfer service unit, a front-end master control unit, an environment monitoring subsystem, a household appliance control subsystem and a monitoring subsystem. The front-end master control unit is respectively connected with the environment monitoring subsystem, the household appliance control subsystem and the monitoring subsystem, and the storage transfer service unit acquires data via the environment monitoring subsystem and the monitoring subsystem, outputs the data to a user, receives control commands from the user, and transmits the control commands to the household appliance control subsystem via the front-end master control unit so as to control household appliances. The intelligent household control system has the advantages of safety, reliability, intelligence, convenience, comfortableness in use, energy conservation, environmental protection and low cost.

The invention discloses an intelligent housing system based on a cloud computing service, and belongs to the technical field of intelligent homes and the Internet of Things. The intelligent housing system comprises a household appliance control system, a security alarm system, a community service system, a door control system, a video doorphone system, a cloud server, an information processor, a mobile terminal and an intelligent gateway. The household appliance control system, the security alarm system, the community service system, the door control system and the video doorphone system are respectively connected with the cloud server through the intelligent gateway. The mobile terminal and the information processor are respectively connected with the cloud server. According to the intelligent housing system based on the cloud computing service, the powerful storage capacity and the computing power of the cloud server are utilized, the real-time operating data of household appliances and the real-time monitoring data of the environment are uploaded, and thus a user can use the personal mobile terminal to achieve real-time knowing and remote controlling of household conditions according to the analysis and processing results of various data by a cloud terminal.

The invention discloses an internet of things system, which comprises a sensing control layer, a transmission layer and an application layer. Furthermore, the invention discloses an implementation method of the internet of things system, wherein the method comprises the following steps that: a user logins into the internet of things system from a browser of the internet of things via a user account and inputs a registered domain name of a certain managed sensing control component in an address bar; the registered domain name is analyzed by a domain name server, and things page of the corresponding sensing control component is loaded by the browser of the internet of things; a corresponding quantum object is loaded by the browser of the internet of things from a quantum piece server in accordance with a things page element of a corresponding things page; the sensing information, which is transmitted to the browser of the internet of things via the transmission layer, is acquired by a sensing module in real time, and is processed by the browser of the internet of things via various quantum objects; and the sensing information processed by the quantum objects is displayed by the browser of the internet of things in real time.

The invention relates to an intelligent pesticide applying system and a control method of a plant protection unmanned aerial vehicle. The system is provided with a meteorological station used for measuring environment parameters and sending collected data to a ground station. The ground station sends the environment parameters, pesticide applying control parameters and control commands to an onboard pesticide applying controller on the plant protection unmanned aerial vehicle through a wireless data transmission module. Meanwhile, a flight controller measures real-time geographic information parameters and flight parameters of the plant protection unmanned aerial vehicle and sends collected data to the onboard pesticide applying controller in real time. The onboard pesticide applying controller conducts autonomous programmed decisions by combining the flight parameters, the environment parameters, the pesticide applying control parameters and the control commands, a miniature diaphragm pump and two centrifugal atomization disc sprayers are independently controlled, and therefore the pesticide liquid flow, the mist drop diameters and spraying width parameters of the plant protection unmanned aerial vehicle are intelligently controlled. By means of the intelligent pesticide applying system and the control method, it is guaranteed that pesticide in an operation area is quantitative and evenly sprayed in a fully covering mode, the phenomena of repeated spraying and miss-spraying of the pesticide are avoided, the pesticide applying quality is improved, and effective prevention and treatment of farmland pest and disease damage are guaranteed.

The invention relates to an agricultural Internet of Things platform system. The agricultural Internet of Things platform system comprises an agricultural data resource integration module, a system professional support module and a terminal demonstration platform, wherein the agricultural data resource integration module, the system professional support module and the terminal demonstration platform are connected in sequence. The agricultural data resource integration module comprises a cloud data center, a cloud computing center, a cloud service center, an agricultural information acquisition center and multiple agricultural data resource databases. The system professional support module comprises a lean production decision control module and a processing warehousing logistics real-time monitoring module. The lean production decision control module receives a dispatching request of the cloud service center and then establishes dynamic requirement models including the disease and pest remote diagnosis model and the livestock feeding diagnosis model. The processing warehouse logistics real-time monitoring module receives the dispatching request of the cloud service center and then performs real-time monitoring on agricultural product processing, warehousing and logistics information. Real-time monitoring of the agricultural production process can be achieved, and the level of lean management of agricultural production and operation is increased.

The invention relates to a smart home wireless network element management system which comprises a controller, a smart wireless gateway, a wireless node and a subgateway. The smart wireless gateway is a core part and comprises a data processing module, a communication interface module, a general packet radio service (GPRS) module, a wireless fidelity (WIFI) module, a Bluetooth module, an infrared module and a zigzag bee (ZIGBEE) module, and the smart wireless gateway has a wireless communication function of various modes such as GPRS, Bluetooth, ZIGBEE, infrared and WIFI. A smartphone is used as the controller so as to achieve remote control of smart home facilities of living rooms of a house, enable the smart home facilities to be controlled simply and conveniently. Meanwhile, the smart home wireless network element management system has a monitoring function of the smart home facilities and understands state information of the smart home facilities.

The invention relates to a home gateway, an intelligent system and an energy control method thereof. The technical scheme provided by the invention is that: the home gateway comprises a master control module, a wide area network communication module, a sensor network communication module, a wireless local area network communication module, a memory, a power module and the like; the intelligent system comprises the home gateway and an intelligent electricity utilization information platform; and in the method, the home gateway and the intelligent system are used. By the technical scheme provided by the invention, not only configuration management over services born by the home gateway can be realized, but also electrical equipment can be subjected to remote state query, control management, parameter configuration and software upgrading.

The invention discloses a vehicle monitoring system based on Beidou system. The invention is characterized in that the system is composed of a Beidou ground monitoring centre, a Beidou navigating and locating satellite and a Beidou vehicle-mounted system, wherein the Beidou navigating and locating satellite is dependent on current satellite system built by Beidou network system. The Beidou vehicle-mounted system comprises a Beidou terminal and a train network. The train network is a current TCMS system, wherein the TCMS system comprises a vehicle dragging sub-system, a vehicle braking sub-system, a vehicle signal sub-system and a vehicle broadcasting sub-system. The TCMS system is communicated with a Beidou terminal via an RS232 interface to provide vehicle state information to the Beidou terminal on one hand, and to receive Beidou navigating and locating information, time service information and control instruction from the ground monitoring centre on the other hand so as to control the operation of the vehicle. The Beidou terminal is communicated with the locating satellite. The locating satellite is used for transmitting the locating information and vehicle state information to the ground monitoring centre. The centre is used for transmitting the information to all ground monitoring terminals so that the operated vehicle can be monitored and all operated vehicles can be monitored and controlled.

The invention provides a smart home remote control system and method. The system comprises a mobile terminal, a wireless remote control, a plurality of home devices and a home gateway. The mobile terminal is connected with the home gateway through a public network, the home gateway is in wireless connection with the wireless remote control, and the wireless remote control conducts remote control over the smart home devices. A special 2.4G network is established for the wireless remote control and the smart home devices. The smart home remote control system and method achieve remote control over the smart home devices.

The invention discloses a remote control system and a remote control method of a heading machine. The remote control system comprises a sensor arranged on the heading machine, an onboard detection system, an onboard controller, a data communication module and a heading machine remote monitoring platform, wherein the heading machine remote monitoring platform comprises a heading machine virtual control table, a database, a virtual reality system data interface, a heading machine control model module, a heading machine working condition parameter monitoring module and a heading machine virtual prototype platform. The system and the method solve the problems that the working environment of the heading machine in underground coal mine has abundant dust and high noise, an operator has difficulty in mastering the specific situation of the heading cross section, and controls blindly due to lacking of working condition data and pose information of the heading machine, thereby promoting the roadway drifting quality and the drifting safety. The remote control system has good interaction, good reality sense, reasonable design, strong practicability and high popularization and application values.

The invention relates to an agricultural things-internet platform architecture. The agricultural things-internet platform architecture comprises an agricultural data resource integration module, a professional system supporting module and a terminal demonstration platform which are sequentially connected. The agricultural data resource integration module comprises a cloud data center, a cloud computing center, a cloud service center, an agricultural information acquisition center and a plurality of agricultural data resource databases. The professional system supporting module comprises a fine production decision control module and a processing warehouse logistics real-time monitoring module. The fine production decision control module conducts dynamic demand modeling after receiving a dispatching request of the cloud service center and comprises a fertilizer applying model and a water and fertilizer regulating and control module. The processing warehouse logistics real-time monitoring module conducts agricultural product processing and warehouse and logistics information real-time monitoring after receiving the dispatching request of the cloud service center. The terminal demonstration platform is a things-internet demonstration platform containing field crop information, facility greenhouse information and agricultural material information. By means of the agricultural things-internet platform architecture, real-time monitoring in the agricultural production process can be achieved, and the agricultural production and management fine management level is improved.

The invention discloses an authentication method for a remote control network information domestic appliance. The authentication method comprises the steps that after a logging request of a terminal device user is received, a WEB server conducts identification authentication to the user, provides a control order input interface for the user after authentication is passed, receives a control order input by the user and sends the control order to the internet domestic gateway; after receiving the control order, the internet domestic gateway obtains authentication information of a terminal device, matches the authentication information with authentication information stored in the internet domestic gateway, and analyzes and sends the control order to a corresponding network appliance when the information are matched completely, otherwise the internet domestic gateway dumps the control order. At the same time, the invention discloses an authentication system and an internet domestic gateway which realize the method, for the remote control network information appliance. The authentication method for the remote control network information domestic appliance, and the system and the internet domestic gateway greatly improve safety of remote control to the network information appliance.

The invention relates to a disaster condition acquisition system capable of quickly acquiring disaster conditions after a disaster. Disaster condition images of a disaster area are acquired in real time by controlling an unmanned aerial vehicle to fly over the disaster area and using image acquisition equipment such as a video camera, a digital camera, a forward looking infrared unit and the like carried by the unmanned aerial vehicle, and the disaster condition images are transmitted to an image analysis device on the ground in real time; and the image analysis device processes the disaster condition images returned by the unmanned aerial vehicle in real time to acquire the disaster condition images of the disaster area in shortest time. The system breaks through the adverse situation that disaster relief is delayed because the communication of the disaster area is interrupted and the disaster conditions of the disaster area cannot be acquired in time after a catastrophe such as an earthquake and the like; and the system can provide first hand information for activities of quickly organizing rescue and relief work and reconstruction work after the disaster.

The invention relates to a satellite universal automatic testing platform and a data interaction method thereof, aims to solve the technical problem that existing satellite test equipment has poor universality and a low automation degree, and belongs to the technical field of satellite testing. The satellite universal automatic testing platform provided by the invention consists of a peripheral equipment layer, an intermediate service layer and a user terminal layer, wherein the peripheral equipment layer comprises measurement and control system automatic testing equipment, control system automatic testing equipment, CAN (Controller Area Network) monitoring equipment, plug-failure signal monitoring equipment and solar cell array simulating equipment, and is used for making a response to aremote control command of a comprehensive testing server, uploading the remote control command to a satellite, finishing signal collection of the satellite data simultaneously, transmitting a collected signal to the comprehensive testing server to perform signal processing and data storage. According to the testing platform and a data interaction way thereof, the rapid testing demand at each stageof the satellite is met; a system of satellite distribution test control and comprehensive integration management is formed, and universal and automatic satellite testing is realized. The satellite universal automatic testing platform has the advantages of high universality and high automation degree.

The invention discloses a control method for an air conditioner. The control method comprises the following steps: reading geographical position information of a user, and calculating, according to the geographical position information, a current distance between the user and the air conditioner; obtaining a current indoor temperature; and when the current indoor temperature is within a preset temperature range, controlling the starting and / or operating of the controller according to a condition that whether the current distance meets preset control conditions or not. The invention further discloses a control terminal and a control system for the air conditioner. According to the control method, the control terminal and the control system for the air conditioner, not only can remote control on the air conditioner be realized, but also the current indoor temperature can be taken as a condition for judging whether to start remote control or not, thereby avoiding waste of energy resources due to the fact that the air conditioner is started under the condition that the current indoor temperature meets the user requirements.

The invention discloses a smart home control method and device, and a terminal. The method comprises the following steps: carrying out networking of smart appliances in a smart home, so that the smart appliances form a network; and when it is determined that any of the smart appliances in the network satisfies preset enabling conditions, enabling the smart appliance to trigger at least one of the other smart appliances in the network, so that joint control of the smart appliances in the network is achieved. The smart home control method and device and the terminal adopting the technical scheme have the beneficial effects that defects in the prior art such as a simple control mode, inconvenience in use and a low user experience degree are overcome, diversified control modes are achieved, the use is convenient, and the user experience degree is high.

The invention provides a 3G video transmission method and system based on compression sensing in a video monitoring scene, and belongs to the field of data compression and video transmission. After the format of video information collected by a camera is converted into the YUV format through color space conversion, H.264 coding is conducted, compression processing of compression sensing is conducted on coded data, video data streams obtained through compression are transmitted in a 3G network according to the RTSP protocol and the RTP / RTCP protocol, and reconstruction processing of compression sensing and the H.264 decoding process are conducted at a terminal so that restored video information can be obtained. Compression sensing is combined with the RTSP protocol and the RTP / RTCP protocol to be used in the 3G video transmission system, and therefore the system can meet the requirement for instantaneity of video transmission from the aspects of control and data, the system has the self-adaption video coding speed and network transmission speed regulation function, the size of the data transmitted through a network can be greatly reduced, broadband resources are saved, and the transmission efficiency of the system is improved.

The invention discloses a method, a device and a system for television remote control by a mobile terminal. The method includes acquiring control encoding information of controls included in a current television GUI (graphical user interface); sending a graphic recurrence control command to the mobile terminal connected with the television wirelessly; receiving input event information sent by the mobile terminal; and confirming a targeted control on the current television GUI according to operand information, and performing corresponding operation of operating command information to the targeted control. The graphic recurrence control command includes the control encoding information which is used for commanding the mobile terminal to generate a control interface including a control corresponding to the control encoding information, and the input event information includes the operand information and the operating command information, which are acquired on the control interface by the aid of the mobile terminal. The method, the device and the system for television remote control by the mobile terminal support remote control on the complex television GUI by the mobile terminal, so that remote control on the television by the mobile terminal can be achieved at low cost.

The invention discloses an omnidirectional real-time student nursing assistant education home-school-student wireless linkage system, which comprises a server, a plurality of nodes, a first mobile terminal and a second terminal, wherein each node is provided with a monitoring camera and a bluetooth node, the first mobile terminal is provided with a vital sign sensor, a bluetooth module, an image / video / audio acquisition module and a GPS positioning module, and the second terminal comprises an operation platform and a display platform; and an early-warning system arranged in the omnidirectional real-time student nursing assistant education home-school-student wireless linkage system comprises a safety early-warning subsystem and a positioning early-warning subsystem, the safety early-warning subsystem compares vital sign sensing data acquired by the first mobile terminal with preset indexes, generates a safety early-warning signal according to comparison results and transmits the safety early-warning signal to the second terminal in a wireless mode to achieve safety early-warning, and the positioning early-warning subsystem performs positioning through the bluetooth module of the first mobile terminal and can perform positioning through the GPS positioning module of the first mobile terminal. The omnidirectional real-time student nursing assistant education home-school-student wireless linkage system can enhance safety precaution of students, promotes home-school interactive education, and improves teaching quality.

The invention relates to an intelligent greenhouse shed system based on a cloud server. The intelligent greenhouse shed system comprises a greenhouse shed, an information collecting module, a plurality of functional modules, an automatic control system, a communication network and a solar power generating device; wherein the information collecting module comprises a temperature sensor, a humidity sensor, a photosensitive sensor, a gas pressure sensor and a soil fertilizer tester; each functional module comprises a temperature control module, a humidity control module, an intelligent light supplement module, a gas pressure adjusting module and a soil fertilizer supplying module; and the automatic control system comprises the cloud server. According to the intelligent greenhouse shed system, parameters of temperature, humidity, illumination, gas pressure, soil fertilizer and the like of the greenhouse shed can be intelligently adjusted, thereby enabling crops to be always in the best growing environment, so as to achieve the effects of high quality, high production and high yield; and meanwhile the utilization rate of resources is greatly improved; and the intelligent level is higher, the remote monitoring and control of greenhouse environment can be realized, the management convenience is improved, and the management cost is reduced. The intelligent greenhouse shed system has the advantages of energy saving, environment protection, high security, low running cost, wide application range, and convenience in popularization.

The invention discloses a digital audio directional loudspeaker and a digital audio signal processing method. An automatic gain control module adjusts the amplitude of a sound source signal; then, a filter filters out elements beyond a audio signal belt so as to reduce noises; a signal input module changes an audio analog signal into a digital signal; the processing of approximate square root algorithm or other algorithms to the audio digital signal is finished in the digital signal processing module; two state levels are output into a switch type power amplifier to match with the network to assure impedance matching; an ultrasonic transducer is used for changing an electric signal into a sound pressure signal. The ultrasonic signal which is emitted from the transducer carries the input audio signal information, does the nonlinear interaction in the air and is demodulated into audible sound. A remote control receiving unit receives orders sent by a remote control transmission unit to control parameters such as point angle, volume, transmission distance, sound effect and point sound, etc.

The invention discloses a base station of family wireless interconnection broadcast, which comprises a multi-channel tuner, a plurality of digital TV demodulating and descrambling device, an embedded controller, a WiFi wireless routing module and an antenna; digital TV signals transmitted by a coaxial cable are processed by the multi-passage tuner into intermediate frequency signals; the intermediate frequency signals are processed by the digital TV demodulating and descrambling device and transformed into program transmitting flows; then the program transmitting flows are transformed into standard computer port data by the embedded controller and are packed into IP data packets; the IP data packets are forwarded by the WiFi wireless routing module to corresponding wireless terminals. The base station of family wireless interconnection broadcast of the invention can be integrated with a cable TV, internet and a telecommunication network so as to integrate the three networks and 3C (computers, communications and consuming electronics), meet TV service, network application and telecommunication service of multi-terminal of families and realize remote control and remote program recording or transforming.

This invention relates to new household apparatus remote control method and its system, which uses mobile phone as control terminal to realize all household remote controller function. The new household control system also relates to one visual human to machine interface and effective super linkage menu.

The invention provides a vapor generator for intelligently controlling vapor temperature. The vapor generator comprises a box, an electric heating pipe, a cold water inlet and a vapor outlet. The cold water inlet is formed in the side wall of the box. The upper portion of the box is provided with an exhausting opening. The electric heating pipe is arranged in the box and comprises an outer pipe and an electric heater arranged in the outer pipe. The electric heating pipe is arranged in the vertical direction. A water input channel is formed in the lower portion of the electric heating pipe to ensure that water in the box can enter the electric heating pipe to be heated. The upper portion of the electric heating pipe is connected with the vapor outlet. The vapor outlet is provided with a temperature sensor and used for measuring temperature of the vapor outlet. The temperature sensor, the electric heating device and a controller are in data connection. The vapor generator of the new structure is designed, vapor can be generated fast and efficiently, moreover, the vapor generator has the beneficial effects of carrying out heating fast, enabling temperature distribution to be uniform and being safe and reliable, and the heating efficiency is improved.

The invention discloses an agricultural informatization production wireless monitoring system, comprising a meteorological station, a control center, a data platform, a wireless transmitter, a greenhouse field data collector, an environment sensor, an IP network camera, a digital display screen and a controller. The meteorological station is connected with the control center via a signal line. The control center is connected with the greenhouse field data collector, the environment sensor, the IP network camera, the digital display screen and the controller by the data platform in the wireless transmission way. The agricultural informatization production wireless monitoring system of the invention can collect parameters of greenhouses in real time, such as internal and external temperatures, humidity, carbon dioxide concentration, illumination intensity, soil moisture, soil Ph value, growth cycle video and the like, which are displayed to management users in a manner of visual charts and curves. In addition, the agricultural informatization production wireless monitoring system provides various acousto-optic warning information according to the requirement of cultivated plants. Furthermore, by means of the control center, roof windows, side windows, internal and external shading screens, micro fog systems, draught fans, heating systems, circulation draught fans and other devices of greenhouses are remotely controlled.

The invention provides a single electrified intelligent kitchen, belonging to the filed of home appliance. The main component and structure consist of a casing, a machine cover, a chamber liner, a working chamber, a mechanical room, a liner heat-insulating layer, a chamber door, a refrigerating unit, a heating component, a food box, a food box support, an air intake pipeline, an air outtake pipeline, a cooling fan, an exhaust fan, an electromagnetic air valve, a water supply unit, a temperature sensor, a humidity sensor, a control unit and a control panel. The invention is classified into a fundamental type and a comprehensive type; wherein, a comprehensive type can be formed by a plurality of fundamental types. The structures of the food box and the food box support cooperate with each other, and the food box is internally provided with a seasoning storing structure; the seasoning and / or water can be automatically added. The invention organically combines the refrigerator and the microwave oven, and realizes remote control; the food refrigeration storage and automatic cooking can be switched at the same physical space according to the preset parameters or the will of the user; furthermore, the invention can be configured as a general microwave oven or a general refrigerator. Besides, the comprehensive type can store and cook one meal or multiple meals at the same time.

The invention discloses a self-tracking servo control system for a flat plate with high integration and high precision. The self-tracking servo control system comprises a monitoring computer, a servo controller, a PWM driver, a direct current motor, a speed measurer, a transmission mechanism, a rotary transformer, a flat plate antenna and a support rotating mechanism, wherein the monitoring computer receives working conditions and issues control commands; the servo controller receives the control commands issued by the monitoring computer, reads antenna angle position information and receiver angle error information, closes a position loop, tracks the closed loop, and outputs analog controlled quantity to the PWM driver; the PWM driver closes a speed lop and a current loop to drive the direct current motor to further drive the flat plate antenna by the transmission mechanism to rotate; the flat plate antenna receives high frequency telemetry signals; the transmission mechanism, the flat plate antenna and the support rotating mechanism jointly constitute an antenna pedestal; the servo controller, the PWM driver, the direct current motor, the speed measurer, and the rotary transformer are installed on the antenna pedestal; the self-tracking servo control system has the advantages of small volume, light weight, low energy consumption and high integration level.

The invention discloses an industrial robot remote monitoring and data processing system. The system comprises an industrial robot system located at an industrial site, an uplink data collecting system for collecting robot data to a cloud server, a downlink control system for achieving control over the industrial robot, a data processing system for performing unified management on the collected data and a visualized monitoring interface Web client. The uplink data collecting system and the downlink control system are both integrated into an embedded plate, the embedded plate is connected to acloud server through wireless or 4G, data interaction is achieved between the embedded plate and the cloud server, all obtained data of the industrial robot system is uploaded to the cloud server upwards to be stored, and the pose of the industrial robot is controlled downwards. The loss caused by fault halting can be effectively lowered, most simple fault problems can be solved through data checking and remote debugging, engineers do not need to be arranged to the site specially, and faults can be resolved more flexibly.