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Distance measurement shoes

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Publication number
CN103245355A
CN103245355A CN 201310200668 CN201310200668A CN103245355A CN 103245355 A CN103245355 A CN 103245355A CN 201310200668 CN201310200668 CN 201310200668 CN 201310200668 A CN201310200668 A CN 201310200668A CN 103245355 A CN103245355 A CN 103245355A
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distance
wireless
transceiver
value
right
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CN 201310200668
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Chinese (zh)
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仲炳华
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苏州市伦琴工业设计有限公司
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Abstract

The invention provides a pair of distance measurement shoes. The pair of distance measurement shoes comprises a left shoe and a right shoe, wherein a left wireless transceiver, a timer module and a calculation module are arranged in the left shoe; a right wireless transceiver is arranged in the right shoe; the left wireless transceiver is used for transmitting discrete signals at an equal interval to the right wireless transceiver; the right wireless transceiver feeds back one feedback signal once receiving one discrete signal; and the calculation module is used for determining the round trip time of the discrete signal between the left wireless transceiver and the right wireless transceiver for one time according to time information acquired by the timer module, then calculating a distance value between the left wireless transceiver and the right wireless transceiver in the round trip of the signal, recording the distance value, analyzing each recorded distance value to obtain a smooth curve by fitting, calculating each maximum value, accumulating each maximum value, multiplying the accumulated value by a correction factor to obtain the final distance value, and finally outputting the final distance value on a display screen. According to the distance measurement shoes provided by the invention, not only can the walking distance be conveniently measured, but also the accuracy can be improved obviously.

Description

测距鞋 Ranging shoes

[0001] [0001]

技术领域 FIELD

[0002] 本发明涉及一种鞋子,特别地,是涉及一种测距鞋。 [0002] The present invention relates to a shoe, in particular, it relates to a distance measuring shoe.

[0003] [0003]

背景技术 Background technique

[0004] 在生活中,人们通常有兴趣了解各个地点之间的路程。 [0004] In life, people often are interested in knowing the distance between various locations. 对于远距离的路程信息,通常可以通过智能地图获取;而对于步行范围内的路程,由于距离较短、地标缺少等原因,智能地图难以计算,对此,一般情况下只能估算,但准确度很差,如,经常认为300m到达目的地,但实际步行距离可能会在500m以上。 For remote distance information can usually be obtained by intelligent maps; for within walking distance, since the distance is short, the lack of other reasons landmark, intelligent maps difficult to calculate, which, under normal circumstances can only be estimated, but the accuracy poor, as is often thought 300m to reach the destination, but the actual distance might walk 500m or more.

[0005] 鉴于此,目前已有测距鞋的设计出现,但其主要原理是通过压力传感器和计数器计算步数,然后以步数乘以步长的方式计算出步行距离。 [0005] In view of this, there occurs a ranging shoe design, but the main principle is calculated by the pressure sensor and the step number counter, multiplied by the number of steps and the step size calculated as the walking distance. 由于每个人的步长不同,因此,该种测距鞋在使用时还需要人为设定参数,较为不便;更不理想的是,即便是同一个人,在步行时,每一步的步长是不能保证相等的,特别是在路况变化较大的情况下,各步长的差异较大,因此,该种测距鞋的准确度也是十分有限的。 Since each person's step, therefore, the types ranging shoes need to manually set parameters in Shihai use, it is inconvenient; is less desirable, even the same person, while walking, each step of the step is not to ensure equal, especially in the case of large traffic variations, each step are quite different, therefore, the accuracy of this kind of shoe is ranging very limited.

[0006] [0006]

发明内容 SUMMARY

[0007] 针对上述问题,本发明的目的在于提供一种测距鞋,该测距鞋不仅可以方便地测量出步行路程,并且可明显提高准确度。 [0007] In view of the above problems, an object of the present invention is to provide a distance measuring shoe, the shoe will not only facilitate the ranging measure the walk, and can significantly improve the accuracy.

[0008] 本发明解决技术问题所采用的技术方案是:该测距鞋包括左鞋、右鞋,所述左鞋内设有左无线收发器、计时模块、计算模块;所述右鞋内设有右无线收发器;所述左、右无线收发器开启时,左无线收发器向右无线收发器以等时间间隔发送离散信号,右无线收发器每接收到一个所述离散信号,就向左无线收发器返回一个反馈信号;所述计算模块首先依据计时模块计取的时间信息,确定左无线收发器从发出一个离散信号到收到一个对应的反馈信号所经历的时间;然后计算本次信号往返过程中左无线收发器与右无线收发器的距离值,并记录该距离值;所述计算模块再对记录的各距离值进行分析,其分析方法是:将各距离值拟合成光滑曲线,求出该曲线的各个极大值;然后对各所述极大值进行累加,将累加值乘以一个修正系数,得到最终的路程值,输出 [0008] The aspect of the present invention solves the technical problem is that: the ranging shoe comprises left shoe and right shoe, the left shoe equipped with a wireless transceiver left, a timing module, a calculation module; site of the right shoe a right wireless transceiver; the left and right when the wireless transceiver is turned on, the left to right radio transceiver transmits radio signals to other discrete time intervals, each of the wireless transceiver receives the right to one of the discrete signal, to the left a wireless transceiver returns a feedback signal; calculating said first time information by the timer module billing module, and determining the time left to the wireless transceiver receives a feedback signal corresponding to the experience from issuing a discrete signal; this signal is then calculated round trip from the left and the right value of the radio transceiver of the wireless transceiver, and records the distance value; re-calculation module for each of the distance values ​​recorded for analysis, which analysis is: the distance value of each fit to a smooth curve obtained each maxima of the curve; then the maximum value of each of accumulating, the accumulated value is multiplied by a correction factor obtained from the final value, the output 安装于左鞋上的显示屏。 Mounted on the display screen on the left shoe.

[0009] 作为优选,所述修正系数在cos24°〜COs30°之间;其中余弦角的依据是,人体双脚平行自然站立时的脚心距与自然跨步后前后两脚的脚心距的比值的反正弦函数,一般情况下,该反正弦函数对应的角度值即24°〜30°,而在cos24°〜Cos30°之间,修正系数的数值范围为0.87、.91,偏差率变化范围为0.04/0.87〜4% ;如取修正系数为0.89,则误差率在2%以内。 [0009] Advantageously, the correction coefficient between cos24 ° ~COs30 °; according to the cosine of the angle which is parallel to the soles of the feet when the feet of the body from the natural standing feet soles natural stride and pitch ratio before and after arcsine function, under normal circumstances, the arc sine function value corresponding to the angle, i.e. 24 ° ~30 °, and between cos24 ° ~Cos30 °, the numerical range of the correction coefficient of 0.87, .91, deviation rate varied from 0.04 /0.87~4%; correction factor is taken as 0.89, the error rate is less than 2%.

[0010] 作为优选,各所述离散信号之间的时间间隔为lmiTlOms,以保障每往返一次信号的过程中,两脚之间的距离基本不变;并且,进一步地,所述计时模块按如下方式计取所述时间信息:将N次信号往返的时间进行累加,并将累加值输送给所述计算模块;其中,所述N次信号的时间间隔总和不大于IOms ;如此,所述计算模块确定的是信号往返一次的平均时间,这可以有效削弱信号往返过程中由于元件参数的不稳定引起的不确定性误差影响。 [0010] Advantageously, the time between discrete signal interval is lmiTlOms, each serving to protect the primary signal process, the distance between the feet substantially unchanged; and, further, the timing module as follows the billing mode time information: the round trip time of the signal N times accumulated, and the accumulated value supplied to the computing module; wherein the sum signal is N times the time interval is not greater than IOMS; thus, the computing module determining the average round trip time of a signal, which can effectively weaken the influence of uncertainty error signal round trip due to the unstable elements caused parameters.

[0011] 作为优选,在求所述曲线的各个极大值时,采用导数法求解;其步骤为:首先求出该曲线的导函数,然后求出使导函数等于零的各个距离值,再分析该曲线在该距离值两侧的导数的正负,如在该距离值左侧,该曲线的导数为正,右侧为负,则该距离值为极大值;如在该距离值左侧,该曲线的导数为负,右侧为正,则该距离值为极小值。 [0011] Preferably, when evaluated value of the respective maximum of the curve, using the method to solve derivative; the steps of: obtaining first derivative function of the curve, then the guide function is obtained for each distance value is equal to zero, then Analysis the positive and negative derivative curves both sides of the distance value, as the value from the left side, the derivative of the curve is positive, the right side is negative, then the distance value is a maximum value; if the value left in the distance , the derivative of the curve is negative, the right side is positive, then the minimum distance value.

[0012] 本发明的有益效果在于:结合了人体步行时的脚步特征,通过曲线拟合方法获取两脚距离的每一次极大值数据,也就对应了每一次跨步动作后,两脚间的距离,乘上修正系数后,亦即对应每一次跨步动作后,人体行进的距离;通过本发明的技术方案,可以将目前的测距鞋中由各人步长差异所引起的较大的误差,转化为本发明中由各人对应的修正系数的差异而引起的较小的误差,不仅测量方便,并且明显提高了测量准确度。 [0012] Advantageous effects of the present invention is: a combination of the human body during walking pace features, acquiring a maximum value each time the data from the feet by curve fitting method, it corresponds to the operation after every stride between feet distance, multiplied by the correction coefficient, i.e., corresponding to after every stride operation, the distance traveled by the body; by the aspect of the present invention, may be present in each human ranging shoe step difference caused by the greater error, the conversion of the present invention, the respective error small difference correction coefficient corresponding to the person due, not only to facilitate measurement, and significantly improve the measurement accuracy.

[0013] [0013]

附图说明 BRIEF DESCRIPTION

[0014] 图1是本测距鞋的修正系数计算原理图。 [0014] FIG. 1 is a distance correction coefficient calculation shoe schematics.

[0015] [0015]

·具体实施方式 ·detailed description

[0016] 下面结合附图对本发明进一步说明: [0016] DESCRIPTION OF DRAWINGS The present invention is further:

该测距鞋包括左鞋、右鞋,所述左鞋内设有左无线收发器、计时模块、计算模块;所述右鞋内设有右无线收发器;所述左、右无线收发器开启时,左无线收发器向右无线收发器以等时间间隔发送离散信号,右无线收发器每接收到一个所述离散信号,就向左无线收发器返回一个反馈信号;所述计算模块首先依据计时模块计取的时间信息,确定左无线收发器从发出一个离散信号到收到一个对应的反馈信号所经历的时间。 The shoe comprises a ranging left shoe and right shoe, the left shoe equipped with a wireless transceiver left, a timing module, a calculation module; the right of the right shoe equipped with a wireless transceiver; the left and right turn on a wireless transceiver , the left to right the wireless transceiver transmits a wireless transceiver discrete signal at equal time intervals, each of the wireless transceiver receives the right to one of the discrete signal, the wireless transceiver returns to the left a feedback signal; timing based on the first calculation module time billing information module, and determining the time left from the wireless transceiver to emit a discrete signal corresponding to a received feedback signal experienced.

[0017] 这里,各离散信号之间的时间间隔取lmiTlOms为宜,以保障每往返一次信号的过程中,两脚之间的距离基本不变;并且,计时模块按如下方式计取所述时间信息:将N次信号往返的时间进行累加,并将累加值输送给所述计算模块;其中,所述N次信号的时间间隔总和不大于IOms ;如此,计算模块确定的是信号往返一次的平均时间,这可以有效削弱信号往返过程中由于元件参数的不稳定引起的不确定性误差影响。 [0017] Here, the time interval between each discrete signal taken lmiTlOms appropriate to protect the primary signal to and from each of the process, the distance between the feet substantially unchanged; and, the timing module follows the billing time information: N times the round trip time of signals accumulated, and the accumulated value supplied to the computing module; wherein the time interval of N times is not greater than the sum signal IOMS; thus, a calculation module determines the average signal and from time, which can effectively weaken the influence of uncertainty error signal round trip due to the unstable elements caused parameters.

[0018] 接下来,所述计算模块根据离散信号往返一次的时间,计算信号往返过程中左无线收发器与右无线收发器的距离值,并记录该距离值;需要指出的是,在利用离散信号往返一次的时间计算所述距离值时,需要考虑电子元件的延时,因此,实际参与计算的时间应当是离散信号往返一次的时间减去离散信号往返一次过程中电子元件的总延时。 [0018] Next, the calculation module according to a round trip time discrete signal, calculates a distance value signal and from the wireless transceiver during the left and right of the wireless transceiver, and records the distance value; to be noted that, in the discrete a signal round trip time calculation the distance value, the electronic components need to consider the delay, therefore, the actual time should be involved in the calculation of the round trip time discrete signal minus the total round trip delay of the signal during discrete electronic components.

[0019] 然后,所述计算模块再对记录的各距离值进行分析,其分析方法是:将各距离值通过插值法、最小二乘法等方式拟合成光滑曲线,求出该曲线的各个极大值;然后对各所述极大值进行累加,将累加值乘以一个修正系数,得到最终的路程值,输出至安装于左鞋上的显示屏。 [0019] Then, the calculation module for each re-recording of distance values ​​is analyzed, which analysis method is: the distance value of each fit to a smooth curve by way of interpolation, least square method or the like, each pole of the curve is obtained a large value; each of the maximum value and then accumulates the accumulated value is multiplied by a correction factor obtained from the final value is output to the display screen is mounted on the left shoe. 在求所述曲线的各个极大值时,采用导数法求解;其步骤为:首先求出该曲线的导函数,然后求出使导函数等于零的各个距离值,再分析该曲线在该距离值两侧的导数的正负,如在该距离值左侧,该曲线的导数为正,右侧为负,则该距离值为极大值;如在该距离值左侦牝该曲线的导数为负,右侧为正,则该距离值为极小值。 When seeking respective maxima of the curve, using the method to solve derivative; the steps of: obtaining first derivative function of the curve, then the guide function is obtained for each distance value is equal to zero, then the value of the curve analysis from positive and negative sides of the derivative, as in the left side of the distance values, the derivative of the curve is positive, the right side is negative, then the maximum distance value; Investigation derivative such as female left of the curve in the distance value negative, the right side is positive, then the minimum distance value.

[0020] 对于所述修正系数的设定依据,其计算原理如图1所示,不妨假设左、右无线收发器分别设置于左鞋、右鞋的脚心位置(若不设置于脚心位置,只要对应于左鞋、右鞋的相同位置,按照平移关系,并不影响分析结果);则,当右脚从虚线所示的脚印位置向上跨步后,所述计算模块通过离散信号的往返时间和信号速度,直接计算出的是跨步后前后两脚的脚心距a,而我们实际需要获知的是行进距离C,而a、c恰好与人体双脚平行自然站立时的脚心距b构成一个直角三角形,因此,c=a*修正系数=a*cos Θ,其中余弦角Θ =人体双脚平行自然站立时的脚心距b与自然跨步后前后两脚的脚心距a的比值的反正弦函数,即Θ =arcsin(b/a);参照图1,可知,对于绝大多数人,走路过程中,脚步交替的姿势基本相同(否则将被视为怪异),因此,无论身高如何,步长如何,图1中Θ角 [0020] For the correction coefficient is set based on that calculation principle shown in Figure 1, it may be assumed the left and right are respectively provided in the wireless transceiver left shoe and right shoe soles position (if provided in the soles of the feet position as long as corresponding to the same positions of the left shoes and right shoes, according to the translation relation does not affect the results); then, when the right foot stepped up by step from the position shown in dashed lines, the round-trip time calculating module and discrete signals signal speed, calculated directly before and after stepping from the soles of the feet of a, we need to know the actual travel distance C, and a, c coincided with the soles of the feet when standing natural human feet parallel form an orthogonal distance b triangular, therefore, c = a * correction factor = a * cos Θ, wherein before and after the soles of the feet when the cosine angle Θ = natural standing feet parallel from the body and the natural stride b soles of feet from a ratio of the arcsine function , i.e., Θ = arcsin (b / a); Referring to Figure 1, seen, for most people, during walking, the pace of alternating substantially the same posture (that would otherwise be considered strange), and therefore, regardless of height, step how, the angle Θ in FIG. 1 变化却十分有限,实际测量过程中,一般情况下不同的人,对应的Θ角在24°〜30°之间,因此,对应的修正系数应当在cos24°〜cos30°之间,即0.87〜0.91之间,而如若使本测距鞋通用化,则修正系数可取0.89,这样,最后的得到的行程距离的误差率极值为(0.91-0.89) /0.87 ^ 2%,因此误差率在2%以内;如实际步行100m,测量的路程误差在±2m以内,完全可以接受。 Change is very limited, the actual measurement process, generally different persons, the corresponding angle Θ between 24 ° ~30 °, thus corresponding correction factor should be between cos24 ° ~cos30 °, i.e., 0.87~0.91 between, while should the distance of the present universal shoes, preferably the correction coefficient 0.89 so that the travel distance of the error rate of the last extreme value is obtained (0.91-0.89) /0.87 ^ 2%, 2% error rate so within; the actual walking 100m, distance measurement error is within ± 2m, perfectly acceptable.

[0021] 本发明结合了人体步行时的脚步特征,通过曲线拟合方法获取两脚距离的每一次极大值数据,也就对应了每一次跨步动作后,两脚间的距离,乘上修正系数后,亦即对应每一次跨步动作后,人体行进的距离;通过本发明的技术方案,可以将目前的测距鞋中由各人步长差异所引起的较大的误差,转化为本发明中由各人对应的修正系数的差异而引起的较小的误差,不仅测量方便,并且明显提高了测量准确度。 [0021] The present invention combines the features of the walking pace of the human body, each time the maximum value data acquired from the feet by curve fitting method, corresponds to the stride after every operation, the distance between the feet, multiplied by after the correction coefficient, i.e., corresponding to each stride operation, the distance traveled by the body; by the aspect of the present invention, may be present ranging in each shoe larger error who step difference caused by the conversion to a small error in the present invention by the difference correction coefficient corresponding to the person due, not only to facilitate measurement, and significantly improve the measurement accuracy.

[0022] 需要指出的是,实际应用过程中,左鞋与右鞋上的元件配置可以对换,并不影响使用效果,本申请中指明左鞋和右鞋只是为了表述清楚的需要,不应当构成对左鞋和右鞋的元件配置的限制。 [0022] It should be noted that the actual application process, the left shoe and right shoe element can be arranged on the swap does not affect the results, the present application specifies the left shoe and right shoe needs only, for clarity, and should not be limiting element arranged on the right and left shoes of the shoe.

[0023] 以上所述仅为本发明的较佳方式,并不用以限制本发明,凡在本发明的精神和原则之内,所作的任何修改、等同替换、改进等,均应包含在本发明的保护范围之内。 [0023] The above-described preferred embodiment of the present invention only, not intended to limit the present invention, any modifications within the spirit and principle of the present invention, the, equivalent replacement, or improvement, should be included in the present invention, within the scope of protection.

Claims (6)

1.一种测距鞋,包括左鞋、右鞋,其特征在于:所述左鞋内设有左无线收发器、计时模块、计算模块;所述右鞋内设有右无线收发器;所述左、右无线收发器开启时,左无线收发器向右无线收发器以等时间间隔发送离散信号,右无线收发器每接收到一个所述离散信号,就向左无线收发器返回一个反馈信号;所述计算模块首先依据计时模块计取的时间信息,确定左无线收发器从发出一个离散信号到收到一个对应的反馈信号所经历的时间;然后计算本次信号往返过程中左无线收发器与右无线收发器的距离值,并记录该距离值;所述计算模块再对记录的各距离值进行分析,其分析方法是:将各距离值拟合成光滑曲线,求出该曲线的各个极大值;然后对各所述极大值进行累加,将累加值乘以一个修正系数,得到最终的路程值,输出至安装于左鞋上的显示屏。 A distance measuring shoe, the shoe includes left and right shoes, characterized in that: the left of the left shoe equipped with a wireless transceiver, a timing module, a calculation module; the right of the right shoe equipped with a wireless transceiver; the said left and right when the wireless transceiver is turned on, the left to right radio transceiver transmits radio signals to other discrete time intervals, each of the wireless transceiver receives the right to one of the discrete signal, the wireless transceiver returns to the left a feedback signal ; calculating said first time information by the timer module billing module, and determining the time left to the wireless transceiver receives a feedback signal corresponding to the experience from issuing a discrete signal; this signal is then calculated round trip left the wireless transceiver distance value and the right wireless transceiver, and records the distance value; re-calculation module for each of the distance values ​​recorded for analysis, which analysis is: the distance value of each fit to a smooth curve, the curve is obtained each maximum value; each of the maximum value and then accumulates the accumulated value is multiplied by a correction factor obtained from the final value is output to the display screen is mounted on the left shoe.
2.根据权利要求1所述的测距鞋,其特征在于:所述修正系数在0.87、.91之间。 Ranging shoe according to claim 1, characterized in that: said correction coefficient 0.87, between .91.
3.根据权利要求2所述的测距鞋,其特征在于:所述修正系数为0.89。 Ranging shoe according to claim 2, characterized in that: said correction coefficient of 0.89.
4.根据权利要求1或2所述的测距鞋,其特征在于:各所述离散信号之间的时间间隔为Ims〜IOmsο The distance of the shoe 1 or claim 2, wherein: the time between the discrete signal interval is Ims~IOmsο
5.根据权利要求4所述的测距鞋,其特征在于:所述计时模块按如下方式计取所述时间信息:将N次信号往返的时间进行累加,并将累加值输送给所述计算模块;其中,所述N次信号的时间间隔总和不大于10ms。 Ranging shoe according to claim 4, wherein: the timing module follows the time billing information: the round trip time of the signal N times accumulated, and the accumulated value supplied to the computing module; wherein the signal is N times the sum of the time interval is not greater than 10ms.
6.根据权利要求1或2或5所述的测距鞋,其特征在于:所述计算模块在求所述曲线的各个极大值时,采用导数法求解;其步骤为:首先求出该曲线的导函数,然后求出使导函数等于零的各个距离值,再分析该曲线在该距离值两侧的导数的正负,如在该距离值左侧,该曲线的导数为正,右侧为负,则该距离值为极大值;如在该距离值左侧,该曲线的导数为负,右侧为正,则该距离值为极小值。 The shoe 1 or 2 or ranging claimed in claim 5, wherein: the maximum value calculated for each module in the demand curve, using the method to solve derivative; the steps of: obtaining the first guide function curve, then the guide function is obtained for each distance value is equal to zero, and then analyzing the positive and negative derivative curves in both sides of the distance value, such as the distance, on the left, the derivative of the curve is positive, the right is negative, then the distance value is a maximum value; if the value left in the distance, the derivative of the curve is negative, the right side is positive, then the minimum distance value.
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JP2000046578A (en) * 1998-07-30 2000-02-18 Matsushita Electric Ind Co Ltd Apparatus for measuring walking step
JP2002350175A (en) * 2001-05-25 2002-12-04 Kenichi Mase Walking-exercise measuring system
CN102455182A (en) * 2010-10-22 2012-05-16 卡西欧计算机株式会社 Positioning apparatus and positioning method
CN102564448A (en) * 2010-12-10 2012-07-11 硅谷微E股份有限公司 Pedometer with on-shoe sensor and transmitter

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5724265A (en) * 1995-12-12 1998-03-03 Hutchings; Lawrence J. System and method for measuring movement of objects
JP2000046578A (en) * 1998-07-30 2000-02-18 Matsushita Electric Ind Co Ltd Apparatus for measuring walking step
JP2002350175A (en) * 2001-05-25 2002-12-04 Kenichi Mase Walking-exercise measuring system
CN102455182A (en) * 2010-10-22 2012-05-16 卡西欧计算机株式会社 Positioning apparatus and positioning method
CN102564448A (en) * 2010-12-10 2012-07-11 硅谷微E股份有限公司 Pedometer with on-shoe sensor and transmitter

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