云达不莱梅美因茨预测
導航產品分類
東方聯星
Solutions
  • This system takes BeiDou satellite, GPS composite navigation system as the vehicle positioning terminal, special seismic waterproof computer as the vehicle monitoring terminal, BeiDou portable handle as the personal mobile positioning terminal, and BeiDou satellite SMS platform as the means of communication to connect commanding, monitoring and dispatching center. Thus, they form the whole domain vehicle and personnel commanding and monitoring network and realize the state display and command and control of the whole process of maneuvering target.

    Figure1 BeiDou composite navigation, message and commanding and monitoring system diagram

    Mobile vehicle system is composed of three parts--composite navigation and communication unit, satellite antenna and vehicle monitoring terminal , as shown in figure 2. Among them, the composite navigation communication unit includes BeiDou communication (RDSS), BeiDou(RNSS)/GPS composite navigation, intelligent processor, information storage, communication interface and power supply and other parts. Antenna unit includes two groups of antenna--BeiDou and GPS. It is a kind of active antenna which has features of anti-jamming, high gain, high sensitivity and so on and can satisfy requirements of the motor, the whole domain omnidirectional orientation and communication. As mobile monitoring terminal, the special seismic waterproof tablet PC has the advantages as following:small volume, convenient, small power consumption, and other physical characteristics, and at the same time it can meet the needs of self-orientation, geographic information display, sending and receiving messages and others.

    Figure2 moving vehicle system principle diagram

    The monitoring center includes BeiDou and GPS satellite antenna, BeiDou/GPS composite navigation and positioning unit, BeiDou centralized communication unit, information proxy server, the user terminal and network equipment. BeiDou composite navigation and positioning unit is used in positioning of monitoring center and time synchronization. BeiDou communication unit is the only means of communication system which is used for satellite messages centralized communication between monitoring center and moving targets. Information proxy server is the core of the information processing system and has the main functions: one is to receive and process real-time dynamic information, store them into database, and send them to the clients real-time at the same time;the second is to response the customer requests, and process all kinds of applications submitted by users according to the functional requirements; the third is to send, receive, exchange and deal with all kinds of satellite communication; the fourth is to provide information exchange function with other systems and realize transmission protocol and application protocol related with information exchange. The user terminal is the main interface and means for monitoring center to do user monitoring and implement command. Through the monitoring terminal, we can control the real-time situation. Through the relevant processing of all kinds of information, we can realize a series of auxiliary decision functions, such as the calculation and selection, tracking, special situation disposal and so on. Through the BeiDou SMS communication, we can command and control the maneuvering target.

  • BeiDou multimode vehicle monitoring and dispatching management system integrates location and tracking, monitoring and scheduling, alarm processing, path analysis, information release, operation management and statistical analysis into one application service system through the monitoring application service platform combined with BeiDou multimode vehicle monitoring terminal. It can meet needs of various industries for general monitoring and positioning management of moving target. Through the monitoring application service platform, BeiDou multimode vehicle monitoring dispatching management system which is combined with beidou multimode vehicle monitoring terminal, can realize the means of transportation and the orientation of moving target tracking, monitoring scheduling, alarm processing, path analysis, information release, operation management, statistical analysis is one of the application service system. It can meet various industries for moving target general monitoring location management needs.

  • BeiDou multimode navigator is a navigation and positioning equipment which is based on the navigation and positioning technology, GIS, wireless communication technology, and computer software, network and other advanced technology. Navigator can display the dynamic position (longitude and latitude), time, state information of the carrier on the screen. It can also navigate according to user needs as well as conduct transmission of the position and other information in the way of short message through the GPRS wireless communication link. The navigator has these features: accurate navigation and positioning, reliable performance, agile application, easy operation etc. In addition, it also has the functions like video broadcast, music broadcast, ebooks and games and so on.

    Solution

    The system is able to receive BeiDou, GPS, GLONASS satellite signal at the same time because it adopts the multimode compatible navigation and positioning chip OTrack-32 which is independently R&D by OLinkStar. The design of 32 tracks with high performance structure can quickly capture signal and can complete navigation and positioning algorithm design at the same time as well as integrate it into the Window CE system in the way of driver. Meanwhile, it can complete electronic map and navigation algorithm and the development and integration of application software .

    The processor adopts chip S3C2440 which is based on ARM 920 t kernel structure, its basic frequency can be as high as 530 MHz, SDRAM 64 MB, Flash 32 MB, external SDRAM and NANDFlash. Over the process, it can be transplanted the Window CE5.0 operation system.

    The system structure diagram

    The general working process of the navigator is: first of all, navigator gain the specific geographic location information and other accessory information (such as running speed and time, etc.)of the vector through the satellite navigation and positioning chip (OTrack - 32) and related algorithm, and then through the built-in storage device of the map, it can display parts of the corresponding current position on the color screen display, and also display their own state (such as speed, time, received what news, etc.). Through the GPRS or other communication modules, it can realize the communication connection between the Internet and other terminal.

    The navigator can use any navigation software in the market which is based on Windows CE 5.0 operating system, such as Navione, RtNavi, Scott, etc. Navigation software is stored in SD card, without special installation, so users can use different navigation software by changing the SD card.

    Solution Features

    This dule-mode navigator’s advantages are as follows:

    ●it can achieve BeiDou/GPS (or GPS/GLONASS) dual system navigation and positioning and make positioning more accurate , safe and reliable,

    ●it has positioning chip with the independent intellectual property rights; the hardware circuit and software are all produced in domestic; all technical support and product upgrading have more security;

    ●it is suitable for a variety of carriers; it has excellent dynamic performance;

    ●it has fantastic functions, especially such as integrated GPRS communication function, and a variety of entertainment leisure function;

    ● it adopts the Windows CE operating system with large capacity SD card which is convenient for changing a variety of map.

    Application effect

    After long-term application test, every function and technical indicator of this navigator can meet the design requirements. This navigator has features of accurate navigation and positioning, reliable performance, agile application, easy operation etc. The internal adopts use BeiDou/GPS/GLONASS multimode compatible satellite navigation chip OTrack - 32 which performs no worse than foreign navigation chip, and it has been widely used since 2008. In addition to be used in car, navigation, aviation, this satellite navigator still can be used in the fields such as personal travel, adventure and any other fields which need to use navigation.

  • High altitude meteorological detector can get parameters such as atmospheric temperature, humidity, pressure and wind and so on. The data is the meteorological guarantee of making the weather forecast, climate analysis and prediction and atmospheric science research.

    The high altitude detection system, which is based on BeiDou navigation and positioning system and can be compatible with GPS, has features of small volume, light weight, receiving signal and data processing automatically, narrow communication channel, light ground system. It can provide a more accurate and automatic observation of the high altitude wind direction, wind speed and the position information. Thus, it is the latest high altitude detection technology used internationally because it realizes the more automatic, economical and accurate altitude detection.

    The main functions of meteorological sounding instrument is to measure upper air temperature, humidity, pressure and wind power, wind direction and other data, and to provide parameters for weather forecasting.

    BeiDou altitude meteorological detection system is composed of high altitude detection unit and ground receiving unit. The working principle as shown in the figure:

    Figure the working principle of BeiDou high altitude detection system

    High altitude detection unit adopts modular structure, and it consists of data acquisition module (finish temperature, humidity, pressure sensor collection, etc.), MCU (data conversion, processing and control), BeiDou receiving module, the transmitting module, etc. Ground receiving system is mainly composed of base test box, omnidirectional antenna, ground receiver, foundation BeiDou signal receiving station, terminal computer and data processing software.

    Main performance index

    1) Operating frequency 400.15MHz~406MHz(Output frequency in the working range can be adjusted continuously)
    2) Output power ≤100mW
    3) Temperature range -90℃~50℃
    Temperature uncertainty 0.5℃
    Temperature distinguishability 0.1℃
    4) Humidity range 0~100%RH
    Humidity uncertainty 5%RH(static uncertainty≤2%RH. Details see notes.)
    Humidity distinguishability 0.1%RH
    Response time ≤1.5s(normal temperature)
    5) Air pressure range 1080~5hpa
    Air pressure uncertainty 1.5hpa(1080~500hpa),0.7hpa(500~5hpa)
    Air pressure distinguishability 0.1hpa
    6) Wind measuring range 0~150m/s(Wind speed),0~360°(wind)
    Wind uncertainty 0.3m/s(wind speed),2°(wind),With the ball double cast
    7) Weight ≤300g
    8) Signal receiving BD/GPS,Rf can receive signals both from BD and GPS at the same time;
    9) Chip capture sensitivity Better than -160dBm, tracking sensitivity:better than-165dBm;
    10) Time to first fix Cold start≤40s,warm start≤10s,recapture≤1s;
    11) Position accuracy Horizontal accuracy less than 5m,height accuracy within 20m;
    12) Speed accuracy Less than 0.2m/s;
    13) Rf chip average power consumption Less than 40mw

  • TOAS100 dual antenna attitude determination system is powered by the latest multiple-Rf synchronization technologies. With much more accurate carrier phase relative positioning difference technology, the system can provide course measurement which has stable-performance, high-accuracy and can resist multipath interference.

    TOAS100 applied in various domains:

    Ships positioning application

    The driving course accuracy is very important for ships driving in the ocean. But for the reason that there is no reference in the ocean, it’s essential to get the information about the driving course through other methods, such as compass (low precision), pure inertial navigation (accuracy drifting over time), integrated navigation system (large cost). With the development and widely application of satellite navigation technology, dual antenna attitude determination system arises. The cost of TOAS100 is low, and it’s easy to use and has high precision and good reliability. It’s very suitable for military fleet to form into columns to carry out missions and civil fishing vessel to form into columns to fish.

    Radar system application

    Radar system is very demanding towards their own heading accuracy and stability. Although laser or fiber inertial navigation system can meet the accuracy requirements of radar system, it costs too much and the orientation accuracy drifts over time , so it goes against the cost control and long-time application. However, TOAS100 costs less, the accuracy and high-reliability (2 m baseline precision can reach 0.1 degrees, and the precision does not drift with time) is very suitable for radar system.

    Communication in static

    At present, people still use magnetic compass to realize initial alignment in commnunication in static. However, magnetic compass’s anti-interference abillity is not ideal(if there is magnetic material, cars or building around) and the accuracy is not high. Instead of magnetic compass, TOAS100 not only has high accuracy and stable performance, but also is helpful to improve the initial alignment accuracy in communication in static.

  • PNS200 integrated navigation system couples BeiDou/GPS or GPS/GLONASS satellite navigation with inertial navigation system (INS) together, integrates 32 channel satellite positioning with six degrees of freedom MEMS - INS inertial measurement closely, gives full play to the GNSS accurate positioning and INS continuous independent positioning advantages, which can effectively solve the problem of drifting with the time of INS measuring position and orientation and the problem lack of completeness of GNSS positioning and speed smoothness ,and improve the system’s sensitivity, accuracy, continuity and stability of the attitude measuring. Besides, the system can still conduct the functions of navigation positioning, positioning, speed measurement in short time when the satellite signal is kept out or cannot be used.

    PNS100 applied in various domains:

    Aircraft carrier positioning, controlling and navigation application

    At present, the integrated navigation system based on the fiber-optic gyroscope has comprehensive advantage in its precision, volume, cost, reliability and anti-shock vibration over other products and has become the aviation mainstream in navigation application. PNS200 can provide continuous seamless flight parameter for aircraft carriers (such as UAV,the conveyor, airship, aerostatics, etc.), including three dimensional position(longitude, latitude and altitude), three dimensional velocity(east-oriented, north-oriented and vertical velocity), three dimensional attitude(pitch, roll and course) and acceleration and angular velocity of three axial(right, front and up) in the vector coordinate system.

    Ships and warships attitude measurement and navigation application

    At present, satellite navigation equipment has been widely used in ocean ships. Compared with the traditional marine radar, it’s more global, continuous, real-time, high-precision, multifunction etc. PNS200, as the ship navigation position measurement equipment, can give full play to its strengths such as the high accuracy, no cumulative error and inertial system autonomy and dynamic performance, strong anti-jamming ability, etc. and improve the position, velocity and attitude measurement accuracy of the system.

    SOTM antenna control application

    In order to keep antenna directing to communication satellite in real-time and accurately under the state of movement, SOTM antenna needs complete and accurate carrier (vehicles, ships) dynamic posture to help control antenna to track platform satellite. At present, only the inertial navigation system can provide this information, but because the accumulation of the deviation with time of the pure inertial navigation system, the application of pure inertial navigation system has limited. Integrated navigation system can solve the problem of drifting with time of the INS positioning and attitude measurement, it’s very suitable to apply in SOTM antenna.

    Platform system stability control

    Because the output frequency of PNS200 attitude and angular velocity information is fast (maximum of 200 Hz) and the stability is high, so PNS200 also can be used in platform system stability control.

  • PNS100 integrated navigation system couples BeiDou/GPS or GPS/GLONASS satellite navigation with inertial navigation system (INS) together, integrates 32 channel satellite positioning with six degrees of freedom MEMS - INS inertial measurement closely, gives full play to the GNSS accurate positioning and INS continuous independent positioning advantages, which can effectively solve the problem of drifting with the time of INS measuring position and orientation and the problem lack of completeness of GNSS positioning and speed smoothness ,and improve the system’s sensitivity, accuracy, continuity and stability of the attitude measuring. Besides, the system can still conduct the functions of navigation positioning, positioning, speed measurement in short time when the satellite signal is kept out or cannot be used.

    PNS100 applied in various domains:

    UAV positioning, control and navigation application

    PNS100 can provide continuous seamless flight parameter for UAV, including three dimensional position(longitude, latitude and altitude), three dimensional velocity(east-oriented, north-oriented and vertical velocity), three dimensional attitude(pitch, roll and course) and acceleration and angular velocity of three axial(right, front and up) in the vector coordinate system for the UAV flight control system. At the same time, MEMS integrated navigation system has small volume and light weight and is very suitable for the use of unmanned aerial vehicle (UAV).

    Vehicle positioning and navigation

    With the unceasing development and application of satellite navigation technology, vehicle navigation and positioning has become the largest application fields of it. But taking satellite navigation characteristics and the complexity of the road (such as urban canyon and tunnels) into consideration, satellite positioning positioning will probably have deviation or be unable to position. Because PNS100 has been integrated INS with the satellite navigation, then formed integrated navigation system which can realize accurately positioning under the condition of unclear satellite signal not or even with no signal, and avoid navigation error and interruption. And the common vehicle applications can provide accurate course only in the vehicle motion state but not in parking state, however, the integrated navigation system can provide the vehicle attitude (pitch, roll, course) under any condition.

    SOTM antenna control application

    In order to keep antenna directing to communication satellite in real-time and accurately under the state of movement, SOTM antenna needs complete and accurate carrier (vehicles, ships) dynamic posture to help control antenna to track platform satellite. At present, only the inertial navigation system can provide this information, but because the accumulation of the deviation with time of the pure inertial navigation system, the application of pure inertial navigation system has limited. Integrated navigation system can solve the problem of drifting with time of the INS positioning and attitude measurement, it’s very suitable to apply in SOTM antenna.

  • With the constant development of technology, satellite navigation products are applied into every single daily thing: surveying and mapping, logistics, monitoring, security, hand/car navigation, mobile phone and so on. Customers can purchase various satellite navigation products in the market. However, the common problem faced by all customers and manufacturers is how to ensure that satellite navigation products perform excellent? To manufacturers, the examine of products before they leave the factory is of great importance, because it can avoid the mass complaint come from the customers.

    The problems easily happen in the producing process:

    ● 

    Material choose: there are many source devices in satellite navigation products, such as GPS module, GPS antenna,etc. The quality of the raw material decides the quality of the products.

    ● 

    Testing project choose: a incomplete testing project must have its own drawbacks, so the testing index is unreliable. It’s very essential for us to choose a proper testing project.

    ● 

    The repeater solution can solve the problem of signal coverage over the factory. But because the intensity of satellite is unknown, besides, every single satellite is different, we can only do qualitative analysis instead of making the basis of the quantitative measurement.

    ● 

    Single-track solution can solve the sensitivity problem of testing single track. However, for there is only one track, we cannot do measurement of start time and positioning accuracy.

    ● 

    Testing method choose: it has always needed to carry out board level test and complete machine test in order to test the quality of one satellite navigation product. In this way, we can fully assure the quality of products.

    ● 

    Incompleteness of testing index: generally, we need to conduct sensitivity test and cold start and positioning time test. If requested, we might also do the positioning accuracy test, dynamic consistency test and so on.

    The process of produce and test satellite navigation product as shown in the diagram:

    GPS board level test. It mainly aims at testing the circuit board , the testing parameters are: receiving sensitivity, cold start time, warm start time and positioning accuracy and so on. Board level test is of great importance in the manufacturing process because it can assure the product quality in the early time so that to avoid the negative influence of problems such as manual welding or raw sources damage on the performance of products.

    NS600 GPS signal source with 12 tracks can transmit 12 satellite signals with same power intensity at the same time, so the test here is a standard quantitative analysis which is rather reliable. Meanwhile, compared with single-track simulator, NS600 can be also used to test the start time of GPS receiver and positioning accuracy and other indexes. In this way, we can completely guarantee the consistence of the board level.

    GPS complete machine test. Through the board level test, the circuit board was accessed into the production line to be assembled into a whole machine. Before leaving the factory, we will do the complete machine test under the wireless condition. The testing indexes are: the receiver sensitivity, start time and so on. The working place as shown in the diagram:

    The connection structure of building a workstation consists of four board level testing workstations and four complete machine test workstation. This is the diagram:

  • Brief introduction to the solution:

    In order to meet the needs of scientific research institutions, manufacturing enterprises and colleges and universities for researching and exploring the satellite navigation products and technology, OlinStar Co., Ltd provides world-leading level service of constructing satellite navigation comprehensive laboratory for customers. Not only is it based on the long-time technology accumulation of OlinStar Co., Ltd’s experience of independent research and development, but also the service has integrated the feature of full coverage of its own products line from chips, receivers, tightly-coupled navigation systems to signal simulators and R&D tools. The laboratory can provide real signals and simulate satellite navigation signals as requested. At the same time, it can offer the internal algorithm of all receivers to help researchers process their R&D work of satellite navigation receivers and terminals in an opening environment.

    OLinkStar Co., Ltd can supply different configurations for satellite navigation laboratory according to customers different requests.

    The R&D conditions provided by the laboratory are as follows:

    • master the design method of GPS receivers
    • master and develop the algorithm of GPS receiver correlators
    • master and develop the navigation decoding algorithm of GPS receivers
    • master and develop the baseband algorithm of GPS receivers
    • master the design methods of GPS chips and receivers
    • develop GPS/ BeiDou/GLONASS receivers (anti-multipath, high sensitivity, dynamic, high dynamic)
    • GPS/BeiDou/GLONASS satellite navigation terminal test
    • comprehend the operating principles and application methods of GNSS/INS integrated navigation system
    • research the satellite navigation receiver with multisystem

    The system composition and working principle:

  • Olinkstar in combination of BeiDou/GPS positioning navigation technology advantages, and actively seek and environmental protection industry enterprise cooperation, environmental protection equipment research and development, realize environmental protection instrument intelligent, integration

    Environmental monitoring instrument is based on the navigation positioning technology, the wireless communication technique, data acquisition technique and computer software integration instrument. Equipped with different sensors to collect the surrounding environment parameters, such as temperature, pressure, etc.), take these parameters converted to digital signals, the input ProGee Ⅱ chip, ProGee Ⅱ chip to these data and internal BeiDou/GPS positioning data processing, through the own GPRS function module, the data transmission to the monitoring center, the monitoring center for collection of data processing, analysis of the environmental data, the position information, we present is normal, alarm, and so on.

    Solution composition

    This monitor using the company's ProGee Ⅱ navigation communication chip, has the GSM/GPRS communication function and GPS satellite positioning function. Radio frequency, baseband, CPU integration design, it has small volume, low power consumption, high performance-cost ratio, mobile communication and satellite navigation function of the perfect combination

    System structure diagram as shown

    Environmental monitoring instrument general workflow to: first of all, ProGee Ⅱ chip electric start-up complete initialization configuration, BeiDou/GPS signal through the antenna into BeiDou/GPS baseband, calculating the geographic location information, sensor acquisition environment information, CPU integrated environmental information and position information, start GSM circuit, links center server, to center platform upload these information, and at the same time center can be position inspection query operation.

    This equipment use PROGee2 navigation communication chip, have at the same time orientation, communication, CPU function, small volume, convenient cloth plate; High integration, facilitate function expansion; Dual mode localization, more reliable

    Scheme characteristics

    ●Realize BeiDou/GPS (or GPS/GLONASS) dual system navigation and positioning, make more accurate positioning, safe, reliable,
    ●Own CPU function, the development application more simple, powerful, facilitate function expansion;
    ●Bring function of GSM/GPRS data communication function, environmental protection apparatus and monitoring platform communication more convenient and reliable;
    ●Open multiple GPIO interface, and may, according to different needs, connect different sensor;
    ●The independent intellectual property rights positioning chip, the hardware circuit and software all localization, technical support and product upgrading more security;

    Application effect

    ProGee Ⅱ chip small volume, low power consumption, positioning high sensitivity, start time is short, system integration is high, the external interface rich, the work is stable and reliable. Based on the chip's environmental monitoring instrument can be widely used in ship sewage monitoring, indoor air monitoring, data acquisition monitoring, etc.

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