CN101730277B - Interactive exam estimation system and method, real-time feedback system - Google Patents
Interactive exam estimation system and method, real-time feedback system Download PDFInfo
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Abstract
The invention discloses an interactive exam estimation system and a method, solving the problem of collision, interference and data loss generated during one receiving and multiple sending of the traditional wireless interactive feedback system adopting frequency hopping or time sharing technology. The invention adopts a unique double-window mode, the interactive teaching tool is automatically embedded into PowerPoint, teachers do not need to modify content of the daily prepared lessons to realize interactive teaching, thus solving the limitation caused by the fact that teachers can only use the feedback system which takes the PowerPoint special template as the main body; one-to-multiple real-time full bidirectional communication is realized between teachers and students and standardized test paper sending exams can be performed.
Description
Technical field
The invention belongs to high-end wireless network communication technical field, relate to a kind of interactive exam estimation system, relate in particular to a kind of interactive exam estimation system based on the Zigbee wireless network; Simultaneously, the invention still further relates to the appraisal procedure of above-mentioned interactive exam estimation system.
Background technology
Zigbee is the synonym of IEEE 802.15.4 agreement.Technology according to this agreement regulation is the wireless communication technology of a kind of short distance, low-power consumption.This title derives from the Eight characters dance of honeybee, since honeybee (bee) be by circle in the air and " drone " " dancing " of shaking wing to transmit pollen place azimuth information with the companion (zig), that is to say that the such mode of honeybee dependence has consisted of the communication network in the colony.Be characterized in closely, low complex degree, low-power consumption, low data rate, low cost.Mainly be suitable for automatically control and remote control field, can embed various device.Therefore, ZigBee is exactly a kind of cheap, the near radio networking mechanics of communication of low-power consumption.
In the use procedure of Bluetooth technology, although it is found that Bluetooth technology many advantages are arranged, but still have many defectives.To industry, it is too complicated that home automation controlling and industrial telemetry field of remote control, Bluetooth technology seem, power consumption is large, near distance, the networking scale is too little etc., and industrial automation is more and more stronger to the demand of RFDC, and, for industry spot, this Wireless Data Transmission must be highly reliable, and can resist the various electromagnetic interference of industry spot.Therefore, through people's long-term endeavour, the Zigbee agreement is formal the appearance in 2003.In addition, Zigbee has used the communication protocol Home RF Lite of the home network-oriented of being studied before it.
For a long time, at a low price, low transfer rate, short distance, lower powered wireless telecommunications market exist always.After Bluetooth occurs, once allowed the dealers such as Industry Control, family expenses are controlled automatically, toy manufacturer gambol endlessly, but the price of Bluetooth is always high, had a strong impact on the use wish of these manufacturers.Nowadays, these dealers have participated in IEEE802.15.4 group, and the physical layer and the media that are responsible to define ZigBee are got involved key-course.The IEEE802.15.4 standard be a kind of economy, efficient, low data rate (＜250kbps), be operated in the wireless technology of 2.4GHz and 868/928MHz, be used for personal area network and peer-to-peer network.It is the basis that ZigBee uses room and network layer protocol.ZigBee be a kind of emerging closely, low complex degree, low-power consumption, low data rate, radio network technique cheaply, it is a kind of technology motion between radio mark technology and bluetooth.Being mainly used near radio connects.It coordinates to realize communication mutually according to the 802.15.4 standard between thousands of small transducers.These transducers only need energy seldom, by radio wave data are passed to another transducer from a transducer in the mode of relay, so their communication efficiency is very high.
Current interactive reponse system (such as tutoring system, ballot system) mainly adopts infrared and wireless frequency hopping or time sharing.The general unidirectional reponse system of only supporting take the PowerPoint masterplate as main body needs teacher to prepare lessons in advance, has increased teacher's workload.
Because the inherent characteristics of infrared communication requires infrared emission, receives and will aim at, and is unobstructed, disturbed by ultraviolet ray, generally can only one-way transmission, and speed is not high.Be rarely used in interactive teaching feedback field.
Adopt the technology of wireless frequency hopping and timesharing, when " receipts are multiple ", easily produce the problems such as collision, interference, loss of data.
In addition, existing tutoring system (as using the PowerPoint teaching) does not possess and namely asks the function of namely answering, if the teacher needs to insert a certain problem when playing courseware, needs in advance courseware to be edited; Put question to if expect a problem on the classroom temporarily, existing tutoring system does not solve the in this case problem of statistic grasp situation.Now, the teacher often can orally outside courseware propose some problems to the student, and how solving this class problem has to be solved.Simultaneously, existing tutoring system does not possess the examination function of real meaning, and its major reason is: the student can't read and revise the answer of having inputted by handheld terminal.
Summary of the invention
Technical problem to be solved by this invention is: a kind of interactive exam estimation system based on the Zigbee wireless network is provided, adopt the ZigBee/802.15.4 wireless network protocol, the wireless interactive reponse system that has solved traditional employing frequency hopping or time sharing produces the problem of collision, interference, loss of data when " receipts are multiple ".The present invention adopts the Dual-window pattern of original creation, and the interactive teaching instrument embeds PowerPoint automatically, and the teacher need not to revise the daily content of preparing lessons, and realizes interactive teaching.The invention solves current teacher and can only use with the special-purpose masterplate of PowerPoint as the limitation that the reponse system of main body causes, support the in real time full both-way communication of one-to-many, can carry out the examination of standardization hai roll.
Simultaneously, the invention provides the interactive exam appraisal procedure of above-mentioned interactive exam estimation system.
In addition, the present invention also provides a kind of real-time feedback system, can be used for various fields.
For solving the problems of the technologies described above, the present invention adopts following technical scheme:
The present invention is the wireless networked interactive exam estimation system of a cover, is mainly used in the education activities such as Coaching Experience, hai roll examination, interactive teaching and teaching evaluation.Teacher is by the remote controller in the hand, and a key operation, is namely asked namely and answered, the hai roll examination, puts question to and comment mutually, raise one's hand to race to be the first to answer a question, eliminate the education activities such as match, vote by ballot, PowerPoint broadcast at the work attendance of calling the roll.The student is by the remote controller in the hand, and Real-time Feedback participates in the comings and goings in the teaching process coequally, has greatly improved the enthusiasm of study, has excited learning interest.Native system has solved the student because of the not high problem of Initiative enthusiasm that the reason such as shy, be not good at expressing causes, and has effectively solved " many-one " problem on the classroom simultaneously, and light, happy, an efficient teaching environment is provided.
The present invention creates the Dual-window pattern, comprises at least the examination of standardization hai roll, roll-call work attendance, namely asks namely and answer, put question to mutually and comment, vote by ballot, raise one's hand to race to be the first to answer a question, eliminate the modules such as match, Teacher Evaluation (supporting the real-time interactive of the forms such as oral enquirement, writing on the blackboard, standardized examination paper, document, picture, webpage, courseware to feed back); In described wireless receiving base station, hand-hold type teacher terminal and hand-hold type student terminal, be integrated with the wireless communication unit based on the ZigBee/802.15.4 agreement.Described wireless receiving base station, hand-hold type teacher terminal are connected wireless communication unit and are carried out connecting based on the radio communication of ZigBee/802.15.4 agreement with the hand-hold type student terminal.Adopt above-mentioned structure, the ZigBee/802.15.4 wireless telecommunication system is embedded among the present invention, can carry out in real time between hand-hold type teacher terminal, hand-hold type student terminal and the wireless receiving base station, two-way ground, reliably information communication and control.The operation information of hand-hold type teacher terminal, hand-hold type student terminal by based on the wireless base station real-time Transmission of RS232 agreement and FIFO mechanism to host computer, the host computer feedback information by based on the wireless base station real-time Transmission of RS232 agreement and FIFO mechanism to hand-hold type teacher terminal or hand-hold type student terminal, thereby realize all two-way real-time interactive feedbacks of one-to-many between the teacher and student.
A kind of interactive exam estimation system, this system comprises:
Wireless receiving base station based on the ZigBee/802.15.4 agreement;
At least one hand-hold type teacher terminal comprises the wireless communication module based on the ZigBee/802.15.4 agreement;
Some hand-hold type student terminals comprise the wireless communication module based on the ZigBee/802.15.4 agreement;
Host computer is connected with described wireless receiving base station, obtains the data that hand-hold type teacher terminal, hand-hold type student terminal mail to the wireless receiving base station, and these data are stored in the database.
As a preferred embodiment of the present invention, described system comprises display module, and in order to show the set information in the host computer, the information exchange of demonstration is crossed hand-hold type teacher terminal control host computer and shown; Described display module shows a main window;
Described hand-hold type teacher terminal also comprises:
Start control module from window, in order to control host computer by described display module show one cover on the main window from window; Describedly start control module from window and is connected with the wireless communication module of hand-hold type teacher terminal, be sent to the wireless receiving base station by this wireless communication module, host computer, is controlled and is ejected from window from window startup control signal by the reception of above-mentioned wireless receiving base station;
From the close control module, close described from window in order to control host computer; Describedly send from the close control signal from the close control module, wireless communication module by hand-hold type teacher terminal is sent to the wireless receiving base station, host computer receives from the close control signal by above-mentioned wireless receiving base station, and control is from close.
As a preferred embodiment of the present invention, described system comprises display module, and in order to show the set information in the host computer, the information exchange of demonstration is crossed hand-hold type teacher terminal control host computer and shown; Described display module shows a main window;
Described hand-hold type teacher terminal also comprises:
Start control module from window, in order to control host computer by described display module show each hand-hold type student terminal selection result of a Real-time Feedback from window, should cover on the main window from window; Describedly start control module from window and be connected with the wireless communication module of hand-hold type teacher terminal, be sent to the wireless receiving base station by this wireless communication module starting control signal from window, host computer receives from window by above-mentioned wireless receiving base station and starts control signal, and control is ejected from window;
From the close control module, close described from window in order to control host computer; Describedly be connected from the wireless communication module of close control module with hand-hold type teacher terminal, be sent to the wireless receiving base station by this wireless communication module handle from the close control signal, host computer receives from the close control signal by above-mentioned wireless receiving base station, and control is from close.
As a preferred embodiment of the present invention, described display module is slider broadcasting system, and the file of demonstration is any file (as can be PowerPoint file, word file, picture, specific software for display etc.); This reponse system comprises that answer arranges module, in order to the answer of setting one or more problems in the page in the file to be set, perhaps sets gradually the answer of exercise question in the whole file; Described from window start control module set page or leaf start one show each hand-hold type student terminal selection result of Real-time Feedback from window; Described host computer comprises a feedback result logging modle, in order to recording the hand-hold type student terminal to the feedback result of each lantern slide answer, and feedback result is being shown from window.
As a preferred embodiment of the present invention, described host computer comprises an accuracy statistical module, does contrast in order to the feedback answer of each hand-hold type student terminal and answer are arranged the correct option that module sets, and the accuracy of statistics feedback answer.
As a preferred embodiment of the present invention, described from window start control module in order to start at arbitrary interface one show the multiple-choice question option from window, select answer for the user who holds the hand-hold type student terminal according to the multiple-choice question of teacher's indication; Each hand-hold type student terminal comprises input key, and by this input key input answer, the answer of input is sent in the host computer by the wireless communication module of hand-hold type student terminal for the user who holds the hand-hold type student terminal.
As a preferred embodiment of the present invention, described hand-hold type student terminal comprises:
-answer input control module in order to number newly-increased answer of input of contrast exercise question after taking paper, and is stored in the database of host computer;
Control module is read in-answer, in order to read the multiple-choice question answer in the input database;
-answer change control module is in order to revise the multiple-choice question answer of just reading.
As a preferred embodiment of the present invention, described host computer comprises feedback answer statistical module, and host computer receives the feedback answer of each hand-hold type student terminal by the base station, and respectively feeds back answer by feedback answer statistical module counts; Described host computer further comprises the accuracy statistical module, and host computer receives the feedback answer of each hand-hold type student terminal by the base station, and does contrast with corresponding correct option, by the accuracy of each exercise question feedback answer of accuracy statistical module counts.
As a preferred embodiment of the present invention, described hand-hold type teacher terminal comprises the wireless communication unit based on the ZigBee/802.15.4 agreement at least, the main control module, display module, keyboard input module, laser emitting module, memory module and the power module that adapt with the ZigBee/802.15.4 wireless network protocol; Wherein, the main control module of hand-hold type teacher terminal is connected with other module communication of hand-hold type teacher terminal;
Described hand-hold type student terminal comprises the wireless communication unit based on the ZigBee/802.15.4 agreement at least, the main control module, display module, keyboard input module, memory module and the power module that adapt with the ZigBee/802.15.4 wireless network protocol; Wherein, the main control module of hand-hold type student terminal is connected with other module communication of hand-hold type student terminal;
Described wireless receiving base station comprises the wireless communication unit based on the ZigBee/802.15.4 agreement at least, and the main control module, the USB that adapt with the ZigBee/802.15.4 wireless network protocol turn UART module, memory module and power module; Wherein, the main control module of base station is connected with other module communication of base station.
As a preferred embodiment of the present invention, the wireless communication module of described hand-hold type teacher terminal, hand-hold type student terminal is the ZigBee device of RFD; The wireless communication module of described wireless receiving base station is the ZigBee device of FFD; Described laser pointer based on the ZigBee/802.15.4 agreement is the PowerPoint page turner.
A kind of real-time feedback system, this real-time feedback system comprises:
Wireless receiving base station based on the ZigBee/802.15.4 agreement;
At least one hand-hold type is presided over terminal, comprises the wireless communication module based on the ZigBee/802.15.4 agreement;
Some hand-hold type feedback terminals comprise the wireless communication module based on the ZigBee/802.15.4 agreement;
Host computer is connected with described wireless receiving base station, obtains hand-hold type and presides over the data that terminal, hand-hold type feedback terminal mail to the wireless receiving base station.
A kind of interactive exam appraisal procedure of above-mentioned interactive exam estimation system, the method comprises the steps:
The teacher sends data message by described hand-hold type teacher terminal, and this data message is sent to described host computer by the wireless communication module based on the ZigBee/802.15.4 agreement;
The student sends data message by hand-hold type student terminal separately, and this data message is sent to described host computer by the wireless communication module based on the ZigBee/802.15.4 agreement.
Host computer obtains the data message of described hand-hold type teacher terminal, each hand-hold type student terminal transmission by described wireless receiving base station.
As a preferred embodiment of the present invention, described method further comprises the steps:
The teacher by described from window start control module control host computer by described display module show one cover on the main window from window; Describedly start control module from window and is connected with the wireless communication module of hand-hold type teacher terminal, be sent to the wireless receiving base station by this wireless communication module, host computer, is controlled and is ejected from window from window startup control signal by the reception of above-mentioned wireless receiving base station; The teacher closes described from window by described from close control module control host computer; Describedly send from the close control signal from the close control module, wireless communication module by hand-hold type teacher terminal is sent to the wireless receiving base station, host computer receives from the close control signal by above-mentioned wireless receiving base station, and control is from close.
As a preferred embodiment of the present invention, describedly show in real time each hand-hold type student terminal selection result from window.
As a preferred embodiment of the present invention, described display module is slider broadcasting system, and the file of demonstration is any file (as can be PowerPoint file, word file, picture, specific software for display etc.); Described method further comprises the steps:
In process of preparation, the teacher arranges module by answer the answer of setting one or more problems in the page in the file is set, and perhaps sets gradually the answer of exercise question in the whole file;
In teaching process, the student is by the answer of hand-hold type student terminal feedback exercise question; The teacher by described from window start control module set page or leaf start one show each hand-hold type student terminal selection result of Real-time Feedback from window;
The feedback result recording step, described host computer records the hand-hold type student terminal to the feedback result of each lantern slide answer by a feedback result logging modle, and feedback result is being shown from window.
As a preferred embodiment of the present invention, described method further comprises the accuracy statistic procedure, described host computer arranges the correct option that module sets to the feedback answer of each hand-hold type student terminal and answer by an accuracy statistical module and does contrast, and the accuracy of statistics feedback answer.
As a preferred embodiment of the present invention, the teacher by described from window start control module arbitrary interface start one show the multiple-choice question option from window, select answer for the user who holds the hand-hold type student terminal according to the multiple-choice question of teacher's indication; The input key input answer of student by arranging on the hand-hold type student terminal separately, the answer of input is sent in the host computer by the wireless communication module of hand-hold type student terminal.
As a preferred embodiment of the present invention, described method further comprises:
The answer input step after the student takes paper, by number newly-increased answer of input of answer input control module contrast exercise question, and is stored in the database of host computer;
The answer read step, the student reads control module by an answer and reads multiple-choice question answer in the input database;
The answer modify steps, the student revises the multiple-choice question answer of just reading by an answer change control module.
As a preferred embodiment of the present invention, described method further comprises:
Feedback answer statistic procedure, host computer receives the feedback answer of each hand-hold type student terminal by the base station, and respectively feeds back answer by feedback answer statistical module counts;
Accuracy statistic procedure, host computer receive the feedback answer of each hand-hold type student terminal by the base station, and do contrast with corresponding correct option, by the accuracy of each exercise question feedback answer of accuracy statistical module counts.
Beneficial effect of the present invention is: interactive exam estimation system and method based on the Zigbee wireless network that the present invention proposes, adopt the ZigBee/802.15.4 wireless network protocol, the wireless interactive reponse system that has solved traditional employing frequency hopping or time sharing produces the problem of collision, interference, loss of data when " receipts are multiple ".The present invention has the roll-call work attendance, namely asks namely and answer, hai roll examination, put question to and comment mutually, vote by ballot, raise one's hand to race to be the first to answer a question, eliminate the functions such as match, laser pointer, PPT page turning.
The present invention adopts the Dual-window pattern of original creation, and the interactive teaching instrument embeds PowerPoint automatically, and the teacher need not to revise the daily content of preparing lessons, and realizes interactive teaching.The invention solves current teacher and can only use with the special-purpose masterplate of PowerPoint as the limitation that the reponse system of main body causes, support the in real time full both-way communication of one-to-many, can carry out the examination of standardization hai roll.
The present invention has advantages of that simultaneously cost is low, power consumption is little.Simultaneously, the present invention has and namely asks the function of namely answering; And the answer of exercise question on the lantern slide can be set, in order to automatically contrasting the accuracy that this answer statistic is answered by system after a while.In addition, the present invention can be used for taking an examination.
Native system has detailed class register, statistics and evaluation function, automatically generates the analysis charts such as each section's purpose accuracy, participation rate on the student classroom, can make evaluation comprehensive, accurate, objective, that quantize to student classroom study.Before the examination, the student can review targetedly according to oneself class register at ordinary times, saves time.The teacher can according to the fluctuation situation of each stage accuracy of student and participation rate, intervene in good time.
To sum up, the present invention has following advantage:
A. have powerful Coaching Experience function, support courseware, standardized examination paper, writing on the blackboard, document, picture,
The Coaching Experience of the form such as webpage, oral enquirement is movable, and statistics is with the shape of multiple chart directly perceived
Formula, Real-time Feedback can improve the effect of Coaching Experience greatly;
B. support the examination of standardization hai roll, can save teacher's the exam paper assessment time.Multiple statistics directly perceived is provided in real time
Chart, but Effective Raise teacher's the efficient of marking examination papers;
C. the Dual-window pattern embeds the interactive teaching instrument automatically, and the teacher need not revise the daily content of preparing lessons, can
Realize interactive teaching;
D. the teacher need not training, and a key operation can realize that interactive teaching, hai roll examination and Coaching Experience etc. are main
Want education activities;
E. support the topic types such as True-False, single choice, multiple choice, digital space-filling topic;
F. support real-time dynamic chart system, feed back more timely, more lively;
G. support that class's list and paper import in batches, derivation and editting function.
Description of drawings
Fig. 1 is the composition schematic diagram of interactive exam estimation system of the present invention.
Fig. 2 is the composition schematic diagram of wireless receiving base station.
Fig. 3 is the composition schematic diagram of hand-hold type teacher terminal.
Fig. 4 is the composition schematic diagram of hand-hold type student terminal.
Fig. 5 is main window and schematic diagram from window.
Embodiment
Describe the preferred embodiments of the present invention in detail below in conjunction with accompanying drawing.
Embodiment one
The present invention has disclosed a kind of interactive exam estimation system, can be used for various fields, as being used for teaching, ballot, academic report etc.Below be used for tutoring system take the present invention and introduce the present invention as example.
See also Fig. 1, described interactive exam estimation system comprises at least one hand-hold type teacher terminal 10, some hand-hold type student terminals 20, host computer 30, base station 40.
Wherein, base station 40 is the wireless receiving base station based on the ZigBee/802.15.4 agreement; The wireless communication module that hand-hold type teacher terminal 10 comprises based on the ZigBee/802.15.4 agreement; Hand-hold type student terminal 20 comprises the wireless communication module based on the ZigBee/802.15.4 agreement; Host computer 30 is connected with described wireless receiving base station 40, obtains the data that hand-hold type teacher terminal 10, hand-hold type student terminal 20 mail to wireless receiving base station 40, and these data are stored in the database.
Described wireless communication unit based on the ZigBee/802.15.4 agreement is selected the higher SOC of integrated level, this SOC combines radio frequency 2.4GHz transceiver leading in the industry and meets the radio-frequency (RF) transceiver of IEEE 802.15.4 agreement, has technical grade, 8051 microprocessors of integrated small size, built-in 128K byte flash memory, and have RAM and other powerful support characteristics of 8K.
Hand-hold type student terminal 20 of the present invention adopts the ZigBee/802.15.4 wireless network communication technique, be connected with the wireless receiving base station data of coupling, the in addition panel designs of portable volume, hommization and clearly screen display, thus various operations can easily be finished.
Hand-hold type teacher terminal 10 of the present invention, except possessing above-mentioned hand-hold type student terminal function, also increased the laser pointer module, support the PowerPoint page turning, the operation of support wireless remote control, this makes the teacher more favourable and convenient to classroom situation and student's control.
Wireless receiving of the present invention base station is the equipment for communication between hand-hold type teacher terminal 10, hand-hold type student terminal 20 and the host computer 30, adopt USB to connect, need not the battery supply adapter, install more flexible, both receiver can be installed on the wall, also can be placed it on the desktop; It is wider, easy to use that omnidirectional signal receives scope.
Can carry out in real time between hand-hold type teacher terminal, hand-hold type student terminal and the wireless receiving base station, two-way ground, reliably information communication and control.The operation information of hand-hold type teacher terminal, hand-hold type student terminal by based on the wireless base station real-time Transmission of RS232 agreement and FIFO mechanism to host computer, the host computer feedback information by based on the wireless base station real-time Transmission of RS232 agreement and FIFO mechanism to hand-hold type teacher terminal or hand-hold type student terminal, thereby realize all two-way real-time interactive feedbacks of one-to-many between the teacher and student.
To sum up, the present invention is based on based on the assessment of the interactive teaching of ZigBee/802.15.4 agreement and standardization examination system, can be widely used in the meeting of interactive program, company or group of auction, TV station of poll, soil or the art work of interactive teaching, the National People's Congress at different levels, the CPPCC or training, all kinds of competition, college entrance examination, in the fields such as Coaching Experience, wired home of examining.
Particularly, in the present embodiment, see also Fig. 2, the wireless communication unit that described hand-hold type teacher terminal 10 comprises based on the ZigBee/802.15.4 agreement, the main control module, display module, keyboard input module, laser emitting module, memory module and the power module that adapt with the ZigBee/802.15.4 wireless network protocol; Wherein, the main control module of hand-hold type teacher terminal 10 is connected with other module communication of hand-hold type teacher terminal 10.The wireless communication module of described hand-hold type teacher terminal 10 is the ZigBee device of RFD; Described laser pointer based on the ZigBee/802.15.4 agreement is the PowerPoint page turner.
See also Fig. 3, described hand-hold type student terminal 20 comprises the wireless communication unit based on the ZigBee/802.15.4 agreement, the main control module, display module, keyboard input module, memory module and the power module that adapt with the ZigBee/802.15.4 wireless network protocol; Wherein, the main control module of hand-hold type student terminal 20 is connected with other module communication of hand-hold type student terminal 20.The wireless communication module of described hand-hold type student terminal 20 is the ZigBee device of RFD.
See also Fig. 4, the wireless communication unit that described wireless receiving base station 40 comprises at least based on the ZigBee/802.15.4 agreement, the main control module, the USB that adapt with the ZigBee/802.15.4 wireless network protocol turn UART module, memory module and power module; Wherein, the main control module of base station 40 is connected with other module communication of base station 40.
Host computer 30 can be a PC.
More than introduced interactive exam estimation system of the present invention, the present invention has also disclosed the interactive exam appraisal procedure of said system when disclosing above-mentioned interactive exam estimation system, and the method comprises the steps:
The teacher sends data message by described hand-hold type teacher terminal, and this data message is sent to described host computer by the wireless communication module based on the ZigBee/802.15.4 agreement;
The student sends data message by hand-hold type student terminal separately, and this data message is sent to described host computer by the wireless communication module based on the ZigBee/802.15.4 agreement.
Host computer obtains the data message of described hand-hold type teacher terminal, each hand-hold type student terminal transmission by described wireless receiving base station.
See also Fig. 5, the present invention possesses the Dual-window Presentation Function, and for realizing this function, described interactive exam estimation system comprises display module, and in order to show the set information in the host computer 30, the information exchange of demonstration is crossed hand-hold type teacher terminal 10 control host computers 30 and shown; Described display module shows a main window 51.Described hand-hold type teacher terminal 10 also comprises from window startup control module, from the close control module.
From window start control module in order to control host computer 30 by described display module show one cover on the main window 51 from window 52; Describedly start control module from window and be connected with the wireless communication module of hand-hold type teacher terminal 10, be sent to wireless receiving base station 40 by this wireless communication module, host computer 30 receives from window by above-mentioned wireless receiving base station and starts control signal, and control is ejected from window 52.As shown in Figure 5, but from each hand-hold type student terminal 30 selection result of window 52 Real-time Feedbacks.Start the part that control module can be used as the main control module of hand-hold type teacher terminal 10 from window, also can be control module independently.
Close described from window from the close control module in order to control host computer; Describedly send from the close control signal from the close control module, wireless communication module by hand-hold type teacher terminal is sent to the wireless receiving base station, host computer receives from the close control signal by above-mentioned wireless receiving base station, and control is from close.
Concrete methods of realizing is: the teacher by described from window start control module control host computer by described display module show one cover on the main window from window (should can show in real time each hand-hold type student terminal selection result from window); Describedly start control module from window and is connected with the wireless communication module of hand-hold type teacher terminal, be sent to the wireless receiving base station by this wireless communication module, host computer, is controlled and is ejected from window from window startup control signal by the reception of above-mentioned wireless receiving base station.In the time of need to closing from window, the teacher closes described from window by described from close control module control host computer; Describedly send from the close control signal from the close control module, wireless communication module by hand-hold type teacher terminal is sent to the wireless receiving base station, host computer receives from the close control signal by above-mentioned wireless receiving base station, and control is from close.
As, teacher by described from window start control module arbitrary interface start one show the multiple-choice question option from window, select answer for the user who holds the hand-hold type student terminal according to the multiple-choice question of teacher's indication; The input key input answer of student by arranging on the hand-hold type student terminal separately, the answer of input is sent in the host computer by the wireless communication module of hand-hold type student terminal; Host computer distributes the answer that receives and is presented at from window.
By above-mentioned improvement, the teacher can put question to (content no matter main window 51 shows why) at any time on the classroom, and then the student is by the keyboard input module input answer of hand-hold type student terminal 20; Then the teacher can obtain by the displaying contents from window 52 student at once to puing question to the grasp situation of problem.Therefore, the present invention can improve the real-time of teaching feedback, has increased simultaneously a lot of simple operations.
The present invention can embed the interactive teaching instrument automatically, and the teacher need not revise the daily content of preparing lessons, and can realize interactive teaching.More existing tutoring systems when answer is set, need to be inputted respectively this tutoring system to exercise question and answer, then just can add up the accuracy of exercise question.
In the present embodiment, described display module is slider broadcasting system, and the file of demonstration is any file (as can be PowerPoint file, word file, picture, specific software for display etc., as long as this document can show exercise question); This reponse system comprises that answer arranges module, in order to the answer of setting one or more problems in the page in the file to be set, perhaps sets gradually the answer of exercise question in the whole file; Described from window start control module set page or leaf start one show each hand-hold type student terminal selection result of Real-time Feedback from window, select answer for the student who holds the hand-hold type student terminal according to the multiple-choice question of teacher's indication; The student is by the keyboard input module input answer of hand-hold type student terminal 20, and the answer of input is sent in the host computer 30 by the wireless communication module of hand-hold type student terminal.If certain page only has exercise question one, then only need to be in answer of this page setup; When if certain page has a plurality of answer, can set gradually the answer of this page.Sometimes one exercise question can appear in two pages, at this moment, so long inscribe answer to this and be arranged on initial page or be arranged on last page.In addition, the teacher also can set gradually the answer of whole file exercise question, and does not need according to page setup.
Answer arranges module and comprises that the page selectes unit, answer input unit, and the teacher then inputs the answer of this page exercise question by the selected page in the selected unit of the described page by described answer input unit.The page is selected the part that unit, answer input unit can be used as host computer 30; As, the answer input unit can be the input module of host computer 30.
Described host computer 30 further comprises feedback result logging modle, accuracy statistical module.The feedback result logging modle is in order to recording the hand-hold type student terminal to the feedback result of each lantern slide answer, and feedback result is being shown from window.The accuracy statistical module is done contrast in order to the correct option that the feedback answer of each hand-hold type student terminal and answer is arranged module and set, and the accuracy of statistics feedback answer.
For example among Fig. 5, a certain page of PowerPoint file shows a certain exercise question, and the answer of this exercise question is C.The teacher is when preparing lessons, and can the answer that module arranges this page exercise question be set by answer is C.When playing this courseware requirement learner answering questions in the classroom, by understanding the student to the grasp situation of problem from the displaying contents of window 52.Simultaneously, system adds up feedback data automatically by the accuracy statistical module, and the content of statistics can comprise: each student to the accuracy of the exercise question (or setting-up time is or/and setting section purpose exercise question) of a class, per pass exercise question in accuracy of a class (or several classes or by other means selected student) etc.
Simultaneously, student's feedback data can be stored in the database of host computer 30, and the teacher can pass through to understand the study situation of each student in a period of time, and can be with this as the evaluation basis of student in daily teaching.
Concrete methods of realizing is: in process of preparation, the teacher arranges module by answer the answer of setting problem in the page in the PowerPoint file (can certainly be alternative document) is set.In teaching process, the student is by the answer of hand-hold type student terminal feedback exercise question; The teacher by described from window start control module set page or leaf start one show each hand-hold type student terminal selection result of Real-time Feedback from window; Described host computer records the hand-hold type student terminal to the feedback result of each lantern slide answer by the feedback result logging modle, and feedback result is being shown from window.In addition, the present invention is statistical correction rate automatically, and described host computer arranges the correct option that module sets to the feedback answer of each hand-hold type student terminal and answer by the accuracy statistical module and does contrast, and statistics is fed back the accuracy of answer.Therefore, even in teaching process with hall examination, the present invention is the automatic statistic correctness of answering a question also; Can save a large amount of work of teacher.
By above-mentioned improvement, when the teacher uses system of the present invention, can utilize existing courseware to impart knowledge to students, need not for answer is set again to make courseware.Greatly improve teacher's operating efficiency, reduced a lot of unnecessary work.
The present invention supports the examination of standardization hai roll, saves teacher's the exam paper assessment time; Simultaneously can provide in real time multiple statistical graph directly perceived, but Effective Raise teacher's the efficient of marking examination papers.This function need to arrange function in conjunction with foregoing answer, and the teacher arranges first answer in server; Then after student examination finishes, automatically add up each student performance according to each student's answer.
Described hand-hold type student terminal 20 comprises that answer input control module, answer read control module, answer change control module.
The answer input control module is in order to the newly-increased answer of contrast exercise question number input after taking paper, and is stored in the database of host computer.Answer is read control module in order to read the multiple-choice question answer in the input database; Answer change control module is in order to revise the multiple-choice question answer of just reading.
By the answer input control module, the student can answer the questions in a test paper after taking paper.In when test paper, show the exercise question number of answer on the display module of hand-hold type student terminal 20, when initial, the exercise question of demonstration number be that first of paper is inscribed.
The student can contrast exercise question number successively answer; Run into uncertain exercise question, the button of keyboard input module that can be by hand-hold type student terminal 20 selects to enter next topic.Can select to enter a upper topic by the button of keyboard input module simultaneously, read control module by answer and read the answer of having selected, then revise answer by answer change control module.
For the topic situation of doing of the automatic statistic of realization system, described host computer 30 comprises feedback answer statistical module, accuracy statistical module.Host computer 30 receives the feedback answer of each hand-hold type student terminal 20 by base station 40, by feedback answer statistical module counts data, and do contrast with corresponding correct option, by the accuracy of each exercise question feedback answer of accuracy statistical module counts.Feedback answer statistical module can be added up setting content as required.
In addition, native system can also be used for the student to the evaluation of teacher, and evaluating data is sent to host computer immediately, and by the statistical module counts evaluation result.Simultaneously, native system can also comprise other statistical modules, and the data of needs statistics are added up.
In sum, the interactive exam estimation system based on the Zigbee wireless network that the present invention proposes, adopt the ZigBee/802.15.4 wireless network protocol, the wireless interactive reponse system that has solved traditional employing frequency hopping or time sharing produces the problem of collision, interference, loss of data when " receipts are multiple ".The present invention has the roll-call work attendance, namely asks namely and answer, hai roll examination, put question to and comment mutually, vote by ballot, raise one's hand to race to be the first to answer a question, eliminate the functions such as match, laser pointer, PPT page turning.
The present invention adopts the Dual-window pattern of original creation, and the interactive teaching instrument embeds PowerPoint automatically, and the teacher need not to revise the daily content of preparing lessons, and realizes interactive teaching.The invention solves current teacher and can only use with the special-purpose masterplate of PowerPoint as the limitation that the reponse system of main body causes, support the in real time full both-way communication of one-to-many, can carry out the examination of standardization hai roll.
The present invention has advantages of that simultaneously cost is low, power consumption is little.Simultaneously, the present invention has and namely asks the function of namely answering; And the answer of exercise question on the lantern slide can be set, in order to automatically contrasting the accuracy that this answer statistic is answered by system after a while.In addition, the present invention can be used for taking an examination.
Native system has detailed class register, statistics and evaluation function, automatically generates the analysis charts such as each section's purpose accuracy, participation rate on the student classroom, can make evaluation comprehensive, accurate, objective, that quantize to student classroom study.Before the examination, the student can review targetedly according to oneself class register at ordinary times, saves time.The teacher can according to the fluctuation situation of each stage accuracy of student and participation rate, intervene in good time.
To sum up, the present invention has following advantage:
(1) has powerful Coaching Experience function, support that the Coaching Experience of the forms such as courseware, standardized examination paper, writing on the blackboard, document, picture, webpage, oral enquirement is movable, statistics is with the form of multiple chart directly perceived, and Real-time Feedback can improve the effect of Coaching Experience greatly;
(2) support the examination of standardization hai roll, can save teacher's the exam paper assessment time.Multiple statistical graph directly perceived is provided in real time, but Effective Raise teacher's the efficient of marking examination papers;
(3) Dual-window pattern embeds the interactive teaching instrument automatically, and the teacher need not revise the daily content of preparing lessons, and can realize interactive teaching;
(4) teacher need not training, and a key operation can be realized the main education activities such as interactive teaching, hai roll examination and Coaching Experience;
(5) support the topic types such as True-False, single choice, multiple choice, digital space-filling topic;
(6) the real-time dynamic chart of support system feeds back more timely, more lively;
(7) support class's list and paper imports in batches, derivation and editting function.
Embodiment two
In the present embodiment, a kind of real-time feedback system, this real-time feedback system comprises:
-based on the wireless receiving base station of ZigBee/802.15.4 agreement;
-at least one hand-hold type is presided over terminal, is comprised the wireless communication module based on the ZigBee/802.15.4 agreement;
-some hand-hold type feedback terminals comprise the wireless communication module based on the ZigBee/802.15.4 agreement;
-host computer is connected with described wireless receiving base station, obtains hand-hold type and presides over the data that terminal, hand-hold type feedback terminal mail to the wireless receiving base station.
Be with the difference of embodiment one, in the present embodiment, the present invention can be used for the other field except teaching field.As, the present invention is used for ballot, election process; Certainly, also can needing be used for other field of feedback.
Here description of the invention and application is illustrative, is not to want with scope restriction of the present invention in the above-described embodiments.Here the distortion of disclosed embodiment and change is possible, and the various parts of the replacement of embodiment and equivalence are known for those those of ordinary skill in the art.Those skilled in the art are noted that in the situation that do not break away from spirit of the present invention or substantive characteristics, and the present invention can be with other form, structure, layout, ratio, and realize with other assembly, material and parts.In the situation that do not break away from the scope of the invention and spirit, can carry out other distortion and change to disclosed embodiment here.
Claims (15)
1. an interactive exam estimation system is characterized in that, this system comprises:
Wireless receiving base station based on the ZigBee/802.15.4 agreement;
At least one hand-hold type teacher terminal comprises the wireless communication module based on the ZigBee/802.15.4 agreement;
Some hand-hold type student terminals comprise the wireless communication module based on the ZigBee/802.15.4 agreement;
Host computer is connected with described wireless receiving base station, obtains the data that hand-hold type teacher terminal, hand-hold type student terminal mail to the wireless receiving base station;
Described system also comprises display module, and in order to show the set information in the host computer, the information exchange of demonstration is crossed hand-hold type teacher terminal control host computer and shown; Described display module shows a main window;
Described hand-hold type teacher terminal also comprises:
Start control module from window, in order to control host computer by described display module show one cover on the main window from window; Describedly start control module from window and is connected with the wireless communication module of hand-hold type teacher terminal, be sent to the wireless receiving base station by this wireless communication module, host computer, is controlled and is ejected from window from window startup control signal by the reception of above-mentioned wireless receiving base station;
From the close control module, close described from window in order to control host computer; Describedly send from the close control signal from the close control module, wireless communication module by hand-hold type teacher terminal is sent to the wireless receiving base station, host computer receives from the close control signal by above-mentioned wireless receiving base station, and control is from close.
2. interactive exam estimation system according to claim 1 is characterized in that:
Described hand-hold type teacher terminal also comprises:
Start control module from window, in order to control host computer by described display module show each hand-hold type student terminal selection result of a Real-time Feedback from window, should cover on the main window from window; Describedly start control module from window and be connected with the wireless communication module of hand-hold type teacher terminal, be sent to the wireless receiving base station by this wireless communication module starting control signal from window, host computer receives from window by above-mentioned wireless receiving base station and starts control signal, and control is ejected from window;
From the close control module, close described from window in order to control host computer; Describedly be connected from the wireless communication module of close control module with hand-hold type teacher terminal, be sent to the wireless receiving base station by this wireless communication module handle from the close control signal, host computer receives from the close control signal by above-mentioned wireless receiving base station, and control is from close.
3. interactive exam estimation system according to claim 1 is characterized in that:
Described display module is slider broadcasting system, and the file of demonstration is any file;
This system comprises that answer arranges module, in order to the answer of setting one or more problems in the page in the file to be set, perhaps sets gradually the answer of exercise question in the whole file;
Described from window start control module set page or leaf start one show each hand-hold type student terminal selection result of Real-time Feedback from window;
Described host computer comprises a feedback result logging modle, in order to recording the hand-hold type student terminal to the feedback result of each lantern slide answer, and feedback result is being shown from window.
4. interactive exam estimation system according to claim 3 is characterized in that:
Described host computer comprises an accuracy statistical module, does contrast in order to the feedback answer of each hand-hold type student terminal and answer are arranged the correct option that module sets, and the accuracy of statistics feedback answer.
5. it is characterized in that according to claim 2 or 3 or 4 described interactive exam estimation systems:
Described from window start control module in order to start at arbitrary interface one show the multiple-choice question option from window, select answer for the user who holds the hand-hold type student terminal according to the multiple-choice question of teacher's indication;
Each hand-hold type student terminal comprises input key, and by this input key input answer, the answer of input is sent in the host computer by the wireless communication module of hand-hold type student terminal for the user who holds the hand-hold type student terminal;
Host computer distributes the answer that receives and is presented at from window.
6. interactive exam estimation system according to claim 1 is characterized in that:
Described hand-hold type student terminal comprises:
The answer input control module in order to number newly-increased answer of input of contrast exercise question after taking paper, and is stored in the database of host computer;
Control module is read in answer, in order to read the multiple-choice question answer in the input database;
Answer change control module, the multiple-choice question answer of reading in order to modification.
7. interactive exam estimation system according to claim 1 is characterized in that:
Described host computer comprises feedback answer statistical module, and host computer receives the feedback answer of each hand-hold type student terminal by described base station, and respectively feeds back answer by feedback answer statistical module counts;
Described host computer further comprises the accuracy statistical module, and host computer receives the feedback answer of each hand-hold type student terminal by described base station, and does contrast with corresponding correct option, by the accuracy of each exercise question feedback answer of accuracy statistical module counts.
8. interactive exam estimation system according to claim 1 is characterized in that:
Described hand-hold type teacher terminal comprises the wireless communication unit based on the ZigBee/802.15.4 agreement at least, the main control module, display module, keyboard input module, laser emitting module, memory module and the power module that adapt with the ZigBee/802.15.4 wireless network protocol; Wherein, the main control module of hand-hold type teacher terminal is connected with other module communication of hand-hold type teacher terminal;
Described hand-hold type student terminal comprises the wireless communication unit based on the ZigBee/802.15.4 agreement at least, the main control module, display module, keyboard input module, memory module and the power module that adapt with the ZigBee/802.15.4 wireless network protocol; Wherein, the main control module of hand-hold type student terminal is connected with other module communication of hand-hold type student terminal;
Described wireless receiving base station comprises the wireless communication unit based on the ZigBee/802.15.4 agreement at least, and the main control module, the USB that adapt with the ZigBee/802.15.4 wireless network protocol turn UART module, memory module and power module; Wherein, the main control module of described base station is connected with other module communication of described base station.
9. according to claim 1 to the interactive exam appraisal procedure of one of 8 described interactive exam estimation systems, it is characterized in that, the method comprises the steps:
The teacher sends data message by described hand-hold type teacher terminal, and this data message is sent to described host computer by the wireless communication module based on the ZigBee/802.15.4 agreement;
The student sends data message by hand-hold type student terminal separately, and this data message is sent to described host computer by the wireless communication module based on the ZigBee/802.15.4 agreement;
Host computer obtains the data message of described hand-hold type teacher terminal, each hand-hold type student terminal transmission by described wireless receiving base station;
The teacher by described from window start control module control host computer by described display module show one cover on the main window from window; Describedly start control module from window and is connected with the wireless communication module of hand-hold type teacher terminal, be sent to the wireless receiving base station by this wireless communication module, host computer, is controlled and is ejected from window from window startup control signal by the reception of above-mentioned wireless receiving base station;
The teacher closes described from window by described from close control module control host computer; Describedly send from the close control signal from the close control module, wireless communication module by hand-hold type teacher terminal is sent to the wireless receiving base station, host computer receives from the close control signal by above-mentioned wireless receiving base station, and control is from close.
10. interactive exam appraisal procedure according to claim 9 is characterized in that:
Describedly show in real time each hand-hold type student terminal selection result from window.
11. interactive exam appraisal procedure according to claim 9 is characterized in that:
Described display module is slider broadcasting system, and the file of demonstration is any file;
Described method further comprises the steps:
In process of preparation, the teacher arranges module by answer the answer of setting one or more problems in the page in the file is set, and perhaps sets gradually the answer of exercise question in the whole file;
In teaching process, the student is by the answer of hand-hold type student terminal feedback exercise question; The teacher by described from window start control module set page or leaf start one show each hand-hold type student terminal selection result of Real-time Feedback from window;
The feedback result recording step, described host computer records the hand-hold type student terminal to the feedback result of each lantern slide answer by a feedback result logging modle, and feedback result is being shown from window.
12. interactive exam appraisal procedure according to claim 11 is characterized in that:
Described method further comprises the accuracy statistic procedure, and described host computer arranges the correct option that module sets to the feedback answer of each hand-hold type student terminal and answer by an accuracy statistical module and does contrast, and the accuracy of statistics feedback answer.
13. according to claim 10 or 11 or 12 described interactive exam appraisal procedures, it is characterized in that:
The teacher by described from window start control module arbitrary interface start one show the multiple-choice question option from window, select answer for the user who holds the hand-hold type student terminal according to the multiple-choice question of teacher's indication;
The input key input answer of student by arranging on the hand-hold type student terminal separately, the answer of input is sent in the host computer by the wireless communication module of hand-hold type student terminal.
14. interactive exam appraisal procedure according to claim 9 is characterized in that:
Described method further comprises:
The answer input step after the student takes paper, by number newly-increased answer of input of answer input control module contrast exercise question, and is stored in the database of host computer;
The answer read step, the student reads control module by an answer and reads multiple-choice question answer in the input database;
The answer modify steps, the student revises the multiple-choice question answer of reading by an answer change control module.
15. according to claim 11 or 12 or 13 or 14 described interactive exam appraisal procedures, it is characterized in that:
Described method further comprises
Feedback answer statistic procedure, host computer receives the feedback answer of each hand-hold type student terminal by described base station, and respectively feeds back answer by feedback answer statistical module counts;
Accuracy statistic procedure, host computer receive the feedback answer of each hand-hold type student terminal by described base station, and do contrast with corresponding correct option, by the accuracy of each exercise question feedback answer of accuracy statistical module counts.
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| CN102542849B (en) * | 2012-01-20 | 2013-12-18 | 东南大学 | Formative evaluation system |
| CN102750845A (en) * | 2012-06-21 | 2012-10-24 | 东北大学 | Interactive teaching system and method |
| CN103514772B (en) * | 2012-06-27 | 2017-03-15 | 苏州中科启慧软件技术有限公司 | Based on the double-screen multi-thread education interactive product that wifi/3G communicates |
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Address after: Room 101, No. 9, Lane 1698, Wangyuan Road, Fengxian District, Shanghai, March 2014 Patentee after: Shanghai Yijiao Technology Co.,Ltd. Address before: Room 119, Building 1, No. 333 Hongqiao Road, Xuhui District, Shanghai, 200030 Patentee before: SHANGHAI EDUTECH Co.,Ltd. |
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Denomination of invention: Interactive exam evaluation system and methods, real-time feedback system Effective date of registration: 20230419 Granted publication date: 20130116 Pledgee: Shanghai Bank Co.,Ltd. Fengxian Branch Pledgor: Shanghai Yijiao Technology Co.,Ltd. Registration number: Y2023310000125 |
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Denomination of invention: Interactive exam evaluation system and methods, real-time feedback system Effective date of registration: 20231218 Granted publication date: 20130116 Pledgee: Shanghai Bank Co.,Ltd. Fengxian Branch Pledgor: Shanghai Yijiao Technology Co.,Ltd. Registration number: Y2023310000876 |
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