CN103823576B - The control data inputting method of a kind of intelligent terminal and system - Google Patents

Abstract

The present invention relates to a method and system for inputting control information of an intelligent terminal. The method is used to convert the three-dimensional activity information at the input end of the control information that can move in three-dimensional space into two-dimensional control information, so as to control the specific details of the intelligent terminal through the two-dimensional information. Operation, the method includes the following steps: the step of acquiring the sensing information of the control information input terminal by using the triaxial acceleration sensor and the triaxial angular acceleration sensor, and the sensing information includes the initial rotation angle values a0, b0 of the input terminal and c0, and the rotation angle values a1, b1, and c1 of the terminal at any time, and the above-mentioned angle values are all determined based on the set three-dimensional coordinate system; it is used to coordinate the difference between the acquired two-time rotation angle values System transformation, and then obtain the coordinates x and y of the difference in the set two-dimensional plane coordinate system; it is used to input the acquired two-dimensional coordinate value (x, y) as control information to the smart terminal, thereby controlling the smart terminal Behavior.

Description

A control information input method and system for an intelligent terminal

technical field

The present invention relates to the field of human-computer interaction technology, in particular, to a method for converting position information of a mobile terminal device into coordinates of a two-dimensional plane coordinate system, that is, the present invention provides a control information input method and system for an intelligent terminal .

Background technique

Mobile terminal devices are developing rapidly, especially the rapid development and popularization of smart phones. At present, the digital processing capabilities of smart phones are constantly improving and most of them have built-in various sensors to improve user experience. A mobile terminal device using an acceleration sensor and an angular acceleration sensor can calculate the position state of the device by detecting the sensing information of its sensor and using an existing method.

The present invention realizes different remote control functions by using different positions and states of the mobile terminal equipment in the three-dimensional space, and controls other intelligent terminal equipments. The technical conception of the invention has not yet been documented in relevant documents.

Contents of the invention

The object of the present invention is to provide a control information input method and system for an intelligent terminal in order to overcome the above problems.

In order to achieve the above object, the present invention provides a control information input method for an intelligent terminal, the method is used to convert the three-dimensional activity information at the input end of the control information that can move in three-dimensional space into two-dimensional control information, so as to control the intelligent terminal through the two-dimensional information. The specific operation of the terminal, the method includes the following steps:

Step 101) is used to obtain the sensing information of the control information input terminal by using the triaxial acceleration sensor and the triaxial angular acceleration sensor, and the sensing information includes the initial rotation angle values a0, b0 and c0 of the input terminal, and any time The rotation angle values a1, b1, and c1 of the terminal, and the above-mentioned angle values are all determined based on the set three-dimensional coordinate system;

Step 102) is used to carry out the coordinate system transformation on the difference between the rotation angle values obtained at the above two moments, and then obtain the coordinates x and y of the difference in the set two-dimensional plane coordinate system;

Step 103) is used to input the obtained two-dimensional coordinate value (x, y) as control information to the smart terminal, so as to control the behavior of the smart terminal.

Above-mentioned step 102) further comprises:

Step 102-1) Perform aperiodic transformation, mapping transformation, and translation transformation on the difference between the rotation angle values at two moments, and the aperiodic transformation, mapping transformation, and translation transformation can be performed in any order;

Step 102-2) performing normalized transformation on the result output by the previous step;

Step 102-3) transforming the plane coordinates obtained from the normalized information into the coordinate system where the target plane is located;

Wherein, the target plane refers to the two-dimensional plane where the display screen of the controlled smart terminal is located.

The normalized transformation described in the above step 102-2) refers to the normalized transformation of the value interval of the position information processed by the step 102-1) to the specified value interval in the specified plane coordinate system, that is, the control The value interval of the information at the information input terminal and the value interval specified in the specified plane coordinate system are processed by a logarithmic function to obtain a normalized ratio, and the information at the current control information input terminal is converted into the specified plane coordinate system by using the normalized ratio coordinates in

Wherein, the specified plane coordinate system refers to the two-dimensional plane where the display screen of the controlled smart terminal is located.

When the interval lengths of the rotation angle values of the control information input terminal around the z and x axes are Length_x and Length_y respectively, the interval lengths of the x and y axes of the specified plane coordinate system are width and height respectively; The two-dimensional plane coordinate system obtained after transformation, mapping transformation, and translation transformation is Z'O'X', assuming that the value z' of the Z' axis before normalization transformation is z" after normalization transformation, normalization The value x' of the X' axis before transformation is x' after normalization transformation, and the relationship between the above parameters is:

That is, z"=z' ^{log(width)log(Length_x)}

That is, x"=x' ^{log(height)log(Length_y)} .

The above-mentioned aperiodic transformation refers to taking the minimum positive period of the periodic function, and linearly interpolating it to the entire real number domain interval to become an aperiodic function; the translation transformation refers to shifting the coordinate system along the coordinate axis in the positive direction by a specified number unit length.

Based on the above method, the present invention also provides a control information input system for an intelligent terminal, the system is used to convert information input capable of controlling the activities of an information input terminal in a three-dimensional space into two-dimensional control information for a certain intelligent terminal, and the system Include:

A collection module for collecting three-dimensional information of a control information input terminal, the module adopts a three-axis acceleration sensor and a three-axis angular acceleration sensor to obtain the sensing information of the control information input terminal, and the sensing information includes the initial rotation of the input terminal The angle values a0, b0, and c0, and the rotation angle values a1, b1, and c1 of the terminal at any time, and the above-mentioned angle values are all determined based on the set three-dimensional coordinate system;

The first processing module is used to perform coordinate system transformation on the difference between the acquired rotation angle values at the above two moments, and then obtain the coordinates x and y of the difference in the set two-dimensional plane coordinate system;

The two-dimensional control information output module is configured to input the obtained two-dimensional coordinate values (x, y) as control information to the smart terminal, so as to control the behavior of the smart terminal.

The above-mentioned first processing module:

The preprocessing sub-module is used to perform aperiodic transformation, mapping transformation and translation transformation on the difference between the rotation angle values at two moments, and the aperiodic transformation, mapping transformation and translation transformation can be performed in any order;

A normalization processing submodule is used to perform normalization transformation on the output result of the preprocessing submodule; and

Coordinate transformation sub-module, used to transform the plane coordinates obtained from the normalized information into the coordinate system where the target plane is located;

Wherein, the target plane refers to a two-dimensional plane where the display screen of the smart terminal is located.

The above-mentioned normalized transformation refers to the normalized transformation of the value interval of the position information of the mobile terminal device to the specified value interval in the specified plane coordinate system, that is, the value interval where the information of the control information input terminal is located and the specified value interval. The value interval specified in the plane coordinate system is processed by a logarithmic function to obtain a normalized ratio, and the information of the current control information input terminal is converted into coordinates in the specified plane coordinate system by using the normalized ratio.

When the interval lengths of the rotation angle values of the control information input terminal around the z and x axes are Length_x and Length_y respectively, the interval lengths of the x and y axes of the specified plane coordinate system are width and height respectively. The two-dimensional plane coordinate system obtained after aperiodic transformation, mapping transformation, and translation transformation is Z'O'X', assuming that the value z' of the Z' axis before normalization transformation is z after normalization transformation" , the value x' of the X' axis before the normalization transformation is x" after the normalization transformation:

That is, z"=z' ^{log(width)log(Length_x)}

That is, x"=x' ^{log(height)log(Length_y)} .

The above-mentioned non-periodic transformation refers to taking the minimum positive period of the periodic function, and linearly interpolating it to the entire real number domain interval to become a non-periodic function;

The translation transformation refers to positive translation of the coordinate system along the coordinate axis by a specified number of unit lengths.

A method of converting the position information of a mobile terminal device into the coordinates of a two-dimensional plane coordinate system according to the present invention. The linear transformation refers to aperiodic transformation, mapping transformation, translation transformation, normalization The plane coordinate system obtained after transformation is linearly transformed into the specified plane coordinate system.

Compared with prior art, the technical advantage of the present invention is:

Through the above technical solution, the three-dimensional activity information at the input terminal of the three-dimensional space activity control information will be converted into the two-dimensional control information where the display screen of the smart terminal is located, thereby realizing the control of the behavior of the smart terminal. By implementing the present invention, the user can realize the control of the smart terminal by changing the device state of the control information input terminal, the operation is convenient and accurate, and conforms to the user's behavior habits, which can well improve the user experience and enhance the fun of operation.

Description of drawings

FIG. 1 is a program flow chart of a method for converting position information of a mobile terminal device (ie, a control information input terminal) into coordinates of a two-dimensional plane coordinate system according to the present invention.

FIG. 2 is a schematic diagram of the local space coordinate system of the mobile terminal device and the rotation of the device around an axis according to a method of converting the position information of the mobile terminal device (ie, the control information input terminal) into coordinates of a two-dimensional plane coordinate system according to the present invention.

FIG. 3 is a periodic schematic diagram of the rotation angle value of the mobile terminal device around an axis in a method for converting the position information of the mobile terminal device (ie, the control information input terminal) into coordinates of a two-dimensional plane coordinate system according to the present invention.

Fig. 4 is a schematic diagram of a method for converting the position information of a mobile terminal device (that is, the control information input terminal) into coordinates of a two-dimensional plane coordinate system according to the present invention before the non-periodic transformation of the rotation angle value of the mobile terminal device around the axis .

Fig. 5 is a schematic diagram of the non-periodic transformation of the rotation angle value of the mobile terminal device around the axis in a method of converting the position information of the mobile terminal device (that is, the control information input terminal) into the coordinates of the two-dimensional plane coordinate system according to the present invention .

Fig. 6 is a mapping of the three-dimensional space coordinate system where the rotation angle value of the mobile terminal equipment around the axis is located in a method of converting the position information of the mobile terminal equipment (that is, the control information input terminal) into the coordinates of the two-dimensional plane coordinate system according to the present invention Schematic diagram of the transformed two-dimensional plane coordinate system Z'O'X'.

Fig. 7 is a method of converting the position information of the mobile terminal device (that is, the control information input terminal) into the coordinates of the two-dimensional plane coordinate system according to the present invention, and the two-dimensional plane coordinate system Z'O'X' after translation transformation schematic diagram.

Fig. 8 is the two-dimensional plane coordinate system Z'O'X after normalized transformation by a method of converting the position information of the mobile terminal device (that is, the control information input terminal) into the coordinates of the two-dimensional plane coordinate system according to the present invention 'schematic.

9 is a schematic diagram of XOY in the plane coordinate system specified in the method for converting the position information of the mobile terminal device (ie, the control information input terminal) into the coordinates of the two-dimensional plane coordinate system according to the present invention.

detailed description

The content of the present invention will be described in detail below in conjunction with the accompanying drawings.

A method of converting the position information of a mobile terminal device (that is, the control information input terminal) into coordinates of a two-dimensional plane coordinate system according to the present invention. The mobile terminal device is a three-dimensional entity, and its local space coordinate system is defined by its geometry. The center is the origin of the coordinates. Put the device face up on the horizontal plane in a normal state. The z-axis runs through the front and bottom of the device perpendicular to the horizontal plane and is positive upwards. The x-axis runs through the left and right sides of the device and is positive to the right. y The shaft runs through the front and back of the device. The x, y, z axes of the device follow the right-hand rule.

A method of converting the position information of a mobile terminal device (that is, the control information input terminal) into coordinates of a two-dimensional plane coordinate system according to the present invention. The rotation angle value of the mobile terminal device around the x, y, and z axes refers to the movement The rotation angle value of the terminal device around the x, y, and z axes of its local space coordinate system. The rotation angle of the device around the rotation axis can be positive or negative. In a rotation period, the rotation angle value follows the right-hand rule: the right hand holds the rotation axis, the thumb points to the positive direction of the rotation axis, and the device rotates counterclockwise. Rotation angle values are positive, and clockwise rotation angle values are negative.

The present invention provides a method for converting the position information of a mobile terminal device (that is, the control information input terminal) into coordinates of a two-dimensional plane coordinate system. The aperiodic transformation refers to taking the minimum positive period of a periodic function, and converting Its linear interpolation to the entire real number domain interval becomes a non-periodic function. The angle value of the rotation of the device around the axis changes periodically, and the difference between the current rotation angle value and the initial rotation angle value is accurately calculated through aperiodic transformation.

A method of converting position information of a mobile terminal device (that is, a control information input terminal) into coordinates of a two-dimensional plane coordinate system according to the present invention. The mapping transformation refers to mapping a three-dimensional spatial coordinate system into a two-dimensional plane coordinate system. The two-dimensional plane coordinate system obtained by the mapping transformation described in the present invention is composed of the z' axis where the device rotates around the z axis, and the x' axis where the device rotates around the x axis. According to the positive and negative values of the rotation angle, the present invention takes the positive direction of the z' axis to be horizontal to the left, and the positive direction of the x' axis to be vertically upward, assuming that the two-dimensional plane coordinate system is the Z'O'X' coordinate system.

A method of converting the position information of a mobile terminal device (that is, the control information input terminal) into coordinates of a two-dimensional plane coordinate system according to the present invention. The translation transformation refers to converting the Z'O'X' plane coordinate system along the coordinates The axis is shifted positively by the specified number of units to convert the device's rotation angle value around the axis to a non-negative number.

A method of converting the position information of a mobile terminal device (that is, the control information input terminal) into coordinates of a two-dimensional plane coordinate system according to the present invention. The normalized transformation refers to converting the value interval of the position information of the mobile terminal device Normalization transforms to the specified value range in the specified plane coordinate system, and transforms the sensor information into plane coordinate information in a way that is more in line with the user's operating habits. Assume that the interval lengths of the rotation angle values of the mobile terminal device around the z and x axes are Length_x and Length_y respectively, and the interval lengths of the x and y axes of the specified plane coordinate system are width and height respectively. The two-dimensional plane coordinate system obtained after aperiodic transformation, mapping transformation, and translation transformation is Z'O'X', assuming that the value z' of the Z' axis before normalization transformation is z after normalization transformation" , the value x' of the X' axis before the normalization transformation is x" after the normalization transformation:

That is, z"=z' ^{log(width)log(Length_x)}

That is x"= ^{x'log(height))/log(Length_y)} .

The present invention relates to a method for converting the position information of a mobile terminal device (that is, the control information input terminal) into coordinates of a two-dimensional plane coordinate system. In order to make the technical solution of the present invention clearer and more accurate, the following will combine the drawings and Examples illustrate the present invention in detail.

As shown in Figure 1, the specific implementation steps of a method for converting the position information of the mobile terminal device (that is, the control information input terminal) into the coordinates of the two-dimensional plane coordinate system in the present invention are as follows:

S1. Using a three-axis acceleration sensor and a three-axis angular acceleration sensor in the mobile terminal device (ie, the control information input terminal), setting the update frequency of the sensors and starting the update of the sensors.

S2. Detect the induction information of the acceleration sensor and the angular acceleration sensor, and use the existing method to calculate the rotation angle values a1, b1, and c1 of the mobile terminal device around the x, y, and z axes according to the induction information, and calculate the current rotation angle The difference a, b, c of the value a1, b1, c1 relative to the initial rotation angle value a0, b0, c0, that is, a=a1-a0; b=b1-b0; c=c1-c0;

S3, carry out coordinate system transformation to a, b, c, obtain the coordinate x of two-dimensional plane coordinate system, y; Described coordinate system transformation comprises the following steps:

t1. First perform non-periodic transformation, mapping transformation and translation transformation. The non-periodic transformation, mapping transformation and translation transformation can be performed in any order;

t2. Perform normalized transformation on the results obtained in t1; the normalized transformation transforms the sensing information interval of the sensor to the coordinate system interval where the target plane is located, and transforms the sensor information into plane coordinates in a way that is more in line with the user's operating habits information.

t3, linear transformation; transform the plane coordinates obtained in t2 into the coordinate system where the target plane is located.

As shown in Figure 2, a method of converting the position information of a mobile terminal device (that is, the control information input terminal) into the coordinates of a two-dimensional plane coordinate system according to the present invention, the local space coordinate system of the mobile terminal device is based on the mobile terminal device The geometric center of the device is the origin of the coordinates. Put the device face up in a normal state on a horizontal plane. The z-axis runs through the front and bottom of the device perpendicular to the horizontal plane and is positive upwards. The x-axis runs through the left and right sides of the device and is positive to the right. , the y-axis runs through the front and back of the device, and the x, y, and z-axes of the device follow the right-hand rule. The rotation angle value of the device around the x, y, z axis refers to the rotation angle value of the mobile terminal device around the x, y, z axis of its local space coordinate system. The rotation angle of the device around the rotation axis can be positive or negative. In a rotation period, the rotation angle value follows the right-hand rule: the right hand holds the rotation axis, the thumb points to the positive direction of the rotation axis, and the device rotates counterclockwise. Rotation angle values are positive, and clockwise rotation angle values are negative.

As shown in FIG. 3 , in a method of converting the position information of the mobile terminal device (that is, the control information input terminal) into the coordinates of the two-dimensional plane coordinate system in the present invention, the angle value of the mobile terminal device rotating around the axis changes periodically. of. The device starts to rotate around the axis in the counterclockwise direction from the static state, and the resulting rotation angle is positive and varies between 0° and 180°. When the rotation angle exceeds 180° and continues to rotate counterclockwise, the resulting rotation angle is negative and Varies from -180° to 0°. If the rotation angle value of the device around the axis is 170° at a certain moment, and the rotation direction is counterclockwise, and the rotation angle value of the device at the next moment is -170°, the change in the rotation angle of the device in the two detections before and after the numerical calculation is 340° °, but in fact the device only rotates 20°, from 170° to 180°, which is -180°, and then from -180° to -170°. Through the non-periodic transformation of the rotation angle value of the mobile terminal device around the axis according to the method of converting the position information of the mobile terminal device into the coordinates of the two-dimensional plane coordinate system of the present invention as shown in Figure 4, the actual rotation of the device around the axis can be obtained. angle value.

As shown in Figure 5, in a method of converting the position information of the mobile terminal device (that is, the control information input terminal) into the coordinates of the two-dimensional plane coordinate system in the present invention, the three-dimensional space where the mobile terminal device is rotated around the axis and the angle value is located The coordinate system mapping transforms to the two-dimensional plane coordinate system Z'O'X'. Considering the user's operating habits, the present invention selects the z' axis where the device rotates around the z axis, and the x' axis where the device rotates around the x axis to form a two-dimensional plane coordinate system Z'O'X'.

As shown in FIG. 7, in a method of converting the position information of the mobile terminal device (that is, the control information input terminal) into the coordinates of the two-dimensional plane coordinate system in the present invention, the two-dimensional plane coordinate system Z'O' of FIG. X' performs a translation transformation. The translation transformation means to translate a specified unit length along the positive direction of the z' axis and the positive direction of the x' axis so that the value of the present invention in the two-dimensional plane coordinate system Z'O'X' is a non-negative number.

As shown in FIG. 8, in a method of converting the position information of the mobile terminal device (that is, the control information input terminal) into the coordinates of the two-dimensional plane coordinate system in the present invention, the two-dimensional plane coordinate system Z'O' of FIG. X' is normalized. After the normalized transformation, the value interval of the z' axis in the two-dimensional plane coordinate system Z'O'X' of the present invention is [0, width], and the value interval of the x' axis is [0, height]. Among them, width is the value range length of the x-axis of the specified plane coordinate system, and height is the value range length of the y-axis of the specified plane coordinate system.

As shown in FIG. 9 , the present invention specifies a two-dimensional plane coordinate system XOY for a method of converting position information of a mobile terminal device (ie, control information input terminal) into coordinates of a two-dimensional plane coordinate system. The designated two-dimensional plane coordinate system described in the present invention includes the two-dimensional plane coordinate system where the smart TV screen, computer screen, etc. are located.

In summary, the present invention converts the position information of the mobile terminal device into the coordinates of the designated two-dimensional plane coordinate system, and uses the mobile terminal device as a mouse input device, which increases the entertainment and interest of the operation and enhances the user experience. experience.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention rather than limit them. Although the present invention has been described in detail with reference to the embodiments, those skilled in the art should understand that modifications or equivalent replacements to the technical solutions of the present invention do not depart from the spirit and scope of the technical solutions of the present invention, and all of them should be included in the scope of the present invention. within the scope of the claims.

Claims (8)

1. A control information input method for an intelligent terminal, the method is used to convert the three-dimensional activity information at the control information input end capable of activities in three-dimensional space into two-dimensional control information so as to control the specific operation of the intelligent terminal through the two-dimensional information, so that Said method comprises the steps: Step 101) is used to use the three-axis acceleration sensor and the three-axis angular acceleration sensor to obtain the sensing information of the control information input terminal, and the sensing information includes the initial rotation angle values a0, b0 and c0 of the input terminal, and the terminal at any time rotation angle values a1, b1 and c1, and the above-mentioned angle values are all determined based on the set three-dimensional coordinate system; Step 102) is used to carry out the coordinate system transformation on the difference between the rotation angle values obtained at the above two moments, and then obtain the coordinates x and y of the difference in the set two-dimensional plane coordinate system; Wherein, the step 102) further includes: Step 102-1) Perform aperiodic transformation, mapping transformation, and translation transformation on the difference between the rotation angle values at two moments, and the aperiodic transformation, mapping transformation, and translation transformation can be performed in any order; Step 102-2) performing normalized transformation on the result output by the previous step; Step 102-3) transforming the plane coordinates obtained from the normalized information into the coordinate system where the target plane is located; Among them, the target plane refers to the two-dimensional plane where the display screen of the controlled smart terminal is located Step 103) is used to input the obtained two-dimensional coordinate value (x, y) as control information to the smart terminal, so as to control the behavior of the smart terminal. 2. The control information input method of an intelligent terminal according to claim 1, wherein the normalization transformation described in step 102-2) refers to the value of the position information processed by step 102-1). Interval normalization transforms to the value interval specified in the specified plane coordinate system, that is, the value interval where the information of the control information input terminal is located and the value interval specified in the specified plane coordinate system are subjected to logarithmic function processing to obtain normalization Scale, use the normalized scale to convert the information of the current control information input terminal into the coordinates in the specified plane coordinate system; Wherein, the specified plane coordinate system refers to the two-dimensional plane where the display screen of the controlled smart terminal is located. 3. The control information input method of an intelligent terminal according to claim 2, wherein, when the control information input terminal rotates around the z and x axes, the value interval lengths of the rotation angle values are Length_x and Length_y respectively, and the specified plane coordinates The value interval lengths of the x and y axes of the system are width and height respectively; the two-dimensional plane coordinate system obtained after aperiodic transformation, mapping transformation, and translation transformation is Z'O'X', assuming that before normalization transformation The value z' of the Z' axis is z" after the normalization transformation, and the value x' of the X' axis before the normalization transformation is x" after the normalization transformation. The relationship between the above parameters is : That is, z"=z' ^{log(width)/log(Length_x)} That is, x"=x' ^{log(height)/log(Length_y)} . 4. The control information input method of an intelligent terminal according to claim 1, wherein said aperiodic transformation refers to taking the minimum positive period of a periodic function, and linearly interpolating it to the entire real number domain interval to become a non-periodic transformation. periodic function; The translation transformation refers to positive translation of the coordinate system along the coordinate axis by a specified number of unit lengths. 5. A control information input system for an intelligent terminal, the system is used to convert information input capable of controlling the activities of the information input terminal in a three-dimensional space into two-dimensional control information for a certain intelligent terminal, the system comprising: A collection module for collecting three-dimensional information of the control information input terminal, the module uses a triaxial acceleration sensor and a triaxial angular acceleration sensor to obtain sensing information of the control information input terminal, and the sensing information includes the initial rotation angle value of the input terminal a0, b0 and c0, and the rotation angle values a1, b1 and c1 of the terminal at any time, and the above-mentioned angle values are all determined based on the set three-dimensional coordinate system; The first processing module is used to transform the difference between the acquired rotation angle values at the above two moments into a coordinate system, and then obtain the coordinates x and y of the difference in the set two-dimensional plane coordinate system; Wherein, the first processing module: The preprocessing sub-module is used to perform aperiodic transformation, mapping transformation and translation transformation on the difference between the rotation angle values at two moments, and the aperiodic transformation, mapping transformation and translation transformation can be performed in any order; A normalization processing submodule is used to perform normalization transformation on the output result of the preprocessing submodule; and Coordinate transformation sub-module, used to transform the plane coordinates obtained from the normalized information into the coordinate system where the target plane is located; Wherein, the target plane refers to the two-dimensional plane where the display screen of the smart terminal is located; The two-dimensional control information output module is configured to input the obtained two-dimensional coordinate values (x, y) as control information to the smart terminal, so as to control the behavior of the smart terminal. 6. The control information input system of an intelligent terminal according to claim 5, wherein the normalized transformation refers to the normalized transformation of the value interval of the position information of the mobile terminal device to the specified plane coordinates The value interval specified in the system, that is, the value interval where the information of the control information input terminal is located and the value interval specified in the specified plane coordinate system are processed by a logarithmic function to obtain a normalized ratio. The information at the information input terminal is converted into coordinates in the specified plane coordinate system. 7. The control information input system of an intelligent terminal according to claim 6, wherein when the control information input terminal rotates around the z and x axes, the value interval lengths of the rotation angle values are Length_x and Length_y respectively, and the specified plane coordinates The value interval lengths of the x and y axes of the system are width and height respectively; the two-dimensional plane coordinate system obtained after aperiodic transformation, mapping transformation, and translation transformation is Z'O'X', assuming that before normalization transformation The value z' of the Z' axis is z" after the normalization transformation, and the value x' of the X' axis before the normalization transformation is x" after the normalization transformation: That is, z"=z' ^{log(width)/log(Length_x)} That is, x"=x' ^{log(height)/log(Length_y)} . 8. The control information input system of an intelligent terminal according to claim 5, wherein said aperiodic transformation refers to taking the minimum positive period of a periodic function, and linearly interpolating it to the entire real number domain interval to become non-periodic. periodic function; The translation transformation refers to positive translation of the coordinate system along the coordinate axis by a specified number of unit lengths.