WO2013132582A1

WO2013132582A1 - Exercise index computation device, exercise index computation method, exercise index computation program, and recording medium on which exercise index computation program is recordable

Info

Publication number: WO2013132582A1
Application number: PCT/JP2012/055598
Authority: WO
Inventors: 隆真亀谷; 隆二郎藤田
Original assignee: パイオニア株式会社
Priority date: 2012-03-05
Filing date: 2012-03-05
Publication date: 2013-09-12
Also published as: JPWO2013132582A1; JP5857120B2

Abstract

Provided are an index computation device, an index computation method, an index computation program, and a recording medium on which the index computation program is recorded, with which it is possible to improve exercise index precision. An optimal power and/or best time, which is an index of exercise, is/are computed on the basis of a power curve which represents a relation between a prescribed time interval and the maximum power in the time interval, and a forecast time curve which represents a relation between time required for exercise and a power based on the degree of work required for the exercise.

Description

Index value calculation device for exercise, index value calculation method for exercise, index value calculation program for exercise, and recording medium capable of recording index value calculation program for exercise

The present invention relates to an index value calculation device for exercise, an index value calculation method for exercise, an index value calculation program for exercise, and a recording medium capable of recording the index value calculation program for exercise.

Conventionally, as a measuring device used during exercise, there is a so-called personal navigation device that is attached to a bicycle and can search a plurality of routes from the current location to the destination when the bicycle is running. For example, the personal navigation device disclosed in Patent Document 1 measures travel time and travel distance based on GPS signals transmitted from GPS satellites, and based on past performance data and the like in addition to these measured values. An index (estimate) such as expected arrival time is calculated.

JP 2011-112479 A

The above-mentioned personal navigation device calculates an index based on past performance data such as “it takes 2 minutes 30 seconds per km”, for example. However, since such average speed varies depending on the travel distance and travel environment, the index may be different from the actual one. Therefore, it is necessary to improve the accuracy of the index.

The present invention has been made in view of the above-described circumstances, and is intended to solve the above-described problems as an example, and an index value calculation device and an index that can solve these problems An object is to provide a value calculation method, an index value calculation program, and a recording medium capable of recording the index value calculation program.

In order to solve the above problems, an index value calculation apparatus for exercise according to the present invention is based on specific information acquisition means for acquiring specific information related to a predetermined exercise, and specific information acquired by the specific information acquisition means. A first calculating means for calculating a first work rate-time relational expression that is a relational expression between the time required for the exercise and the work rate based on the work required for the exercise; and a predetermined time for the exerciser Predetermined information acquisition means for acquiring predetermined information for calculating a second work rate-time relational expression, which is a relational expression between the interval and the work rate in the time interval, and the predetermined information acquired by the predetermined information acquisition means Based on the above, the second calculation means for calculating the second power-time relational expression, the first power-time relational expression calculated by the first calculation means, and the second calculation means Second job done - based on the time relationship, and having a the index value calculating means for calculating both or either of the work rate and time constitutes the intersection of these relations as an index value.
In order to solve the above problem, the index value calculation method for exercise according to the present invention is based on unique information acquired by unique information acquisition means for acquiring specific information related to a predetermined exercise, and the time required for the exercise A first calculation step of calculating a first work rate-time relational expression that is a relational expression between the work rate based on the work required for the exercise and the work amount, a predetermined time interval for the exerciser, and work in the time interval Based on the predetermined information acquired by the predetermined information acquisition means for acquiring the predetermined information for calculating the second power-time relational expression that is a relational expression with the rate, the second power-time relational expression Based on the second calculation step of calculating the first power, the first power-time relational expression calculated in the first calculation step, and the second power-time relational expression calculated in the second calculation step Of these relations And having the index value calculation step for calculating work rate constitutes a point and one or both any time as an index value.
In order to solve the above problems, an index value calculation program for exercise according to the present invention is based on the unique information acquired by the specific information acquisition means for acquiring specific information related to a predetermined exercise in a computer. A first calculation function for calculating a first work rate-time relational expression, which is a relational expression between the time required for the exercise and the work based on the work required for the exercise, and a predetermined time interval for the exerciser of the exercise Based on the predetermined information acquired by the predetermined information acquisition means for acquiring the predetermined information for calculating the second power-time relational expression that is a relational expression with the power in the time interval, the second work A second calculation function for calculating a rate-time relational expression, a first work rate-time relational expression calculated by the first calculation function, and a second work rate-time calculated by the second calculation function. Relational expression and Based on, characterized in that to realize the index value calculation function for calculating both or either of the work rate and time constitutes the intersection of these relations as an index value.

(A) is a side view of the bicycle to which the cycle computer is attached, and (b) is a front view of the bicycle to which the cycle computer is attached. It is an external view of the main body of the cycle computer of FIG. 1A shows a state where the right power detection device of the cycle computer of FIG. 1 is attached to the right crank, and FIG. 1B shows a state where the left power detection device of FIG. 1 is attached to the left crank. FIG. It is a front view of a crank rotation angle detection unit. (A) is a plan view of the right pedal acting force detector, (b) is a rear view of the right pedal acting force detector, and (c) is a partial sectional view of the right pedal acting force detector. (A) is a perspective view schematically showing a state where a propulsive force strain sensor unit is attached to the right crankshaft, and (b) is a loss force strain sensor unit attached to the right crankshaft. It is the perspective view which represented the mode that it is showing typically. (A) is a bridge circuit for propulsive force of the right pedal acting force detector, and (b) is a bridge circuit for loss force of the right pedal acting force detector. It is a functional block diagram of a cycle computer. It is a flowchart which shows the main processing by the main body of a cycle computer. It is a graph explaining the calculation method of an average work rate curve. It is a graph explaining the calculation method of the optimal work rate and the best time. It is a figure showing an example of the display content in an information display part. 10 is a flowchart showing main processing by the main body of the cycle computer in the second embodiment.

Hereinafter, embodiments of the present invention will be specifically described with reference to the drawings. FIG. 1A is a side view showing a state in which a cycle computer 100 that calculates and displays an optimum time (best time) and optimum work rate required to travel a predetermined course is attached to the bicycle B. FIG. 1B is a front view showing a state in which the cycle computer 100 is attached to the bicycle B.

The bicycle B has a frame B1 as a base, and two wheels B2 (front wheel B21 and rear wheel B22) that support the frame B1 movably by being rotatably supported by the frame B1 before and after the bicycle B. And a drive mechanism B3 for transmitting a propulsive force for propelling the bicycle B to the rear wheel B22, a handle B4 for the driver to steer, and a saddle B5 for the driver to sit on.

The drive mechanism B3 has a rotating shaft (crankshaft) at one end, and the rotating shaft is rotatably supported at the other end of the crank B31 by an aluminum crank B31 that is rotatably supported with respect to the frame B1. A chain ring that is pivotally supported by the driver and connected to the crank B31 with the crankshaft at the one end of the pedal B32 and the crank B31 as a common turning shaft, and rotates integrally with the crank B31. B34 and a rear sprocket (not shown) arranged so as to rotate integrally with the rear wheel B22 using the rotation axis of the rear wheel B22 as a common rotation axis, and the chain ring B34 are connected to the pedal. A chain B33 for transmitting a force acting on B32 (hereinafter referred to as “pedal acting force”) to the rear wheel B22 is provided.

The crank B31 has a right crankshaft B311 disposed on the right side facing the traveling direction of the bicycle B, and a left crankshaft B312 disposed on the left side facing the traveling direction of the bicycle B, and these left and right crankshafts. B311 and B312 are fixed at a point-symmetrical position with the crankshaft as a symmetric point. In addition, the pedal B32 includes a right pedal B321 that is rotatably supported by the distal end portion of the right crankshaft B311 and a left pedal B322 that is rotatably supported by the distal end portion of the left crankshaft B312.

The cycle computer 100 includes a crank rotation angle detection device 2 that detects the rotation angle of the crank B31, a right pedal action force detection device 3 that detects a force acting on the right crankshaft B311 (hereinafter referred to as “right pedal action force”), A left pedal acting force detecting device 4 that detects a force acting on the left crankshaft B312 (hereinafter referred to as “left pedal acting force”), a cadence detecting device 5 that detects a rotation speed of the crank B31, and a temperature sensor 8 are provided. The right pedal acting force detection device 3 and the left pedal acting force detection device 4 each have a force that contributes to the rotation of the crank B31 (hereinafter referred to as “propulsion force”) and a force that does not contribute to the rotation of the crank B31 (hereinafter, “ It is detected separately.

The cycle computer 100 also detects the driver based on detection signals indicating detection values output by the crank rotation angle detection device 2, the right pedal action force detection device 3, the left pedal action force detection device 4, and the cadence detection device 5. The right work rate detection device 6 for calculating the work rate by the right pedal working force (hereinafter referred to as “right work rate”), and the work rate by the left pedal working force of the driver (hereinafter referred to as “left work rate”). The left-side power detection device 7 and the main body 1 that controls and controls the entire cycle computer 100 are provided. The

detection devices

2, 3, 5 and the right power detection device 6 and the

detection devices

2, 4, 5 and the left power detection device 7 are connected in a wired manner.

The left work rate detection device 7 transmits left work rate data indicating the calculated left work rate to the right work rate detection device 6. On the other hand, the right-side power detection device 6 adds up the left-side power shown by the left-side power data received from the left-side power detection device 7 and the calculated right-side power to obtain the overall power (hereinafter referred to as “total power”). The total work rate data indicating the total work rate is transmitted to the main body 1. Then, the main body 1 calculates the average of the work rates from the start of running to the present time (hereinafter referred to as “average work rate”) based on the total work rate data received from the right work rate detection device 6, Based on the average work rate, the time required to travel the course (hereinafter referred to as “expected time”) is calculated and displayed.

As shown in FIG. 2, the main body 1 is fixed to the handle B4, and as shown in FIG. 3 (a), the right power detection device 6 is fixed to the chain ring B34, as shown in FIG. 3 (b). The left power detection device 7 is fixed to the left crankshaft B312. Further, the main body 1, the right-side power detection device 6 and the left-side power detection device 7 include a transmitter (not shown) and are connected to each other by a wireless method.

Further, the temperature sensor 8 is attached to a predetermined position of the bicycle B and is connected to the main body 1 in a wired manner.

As shown in FIG. 4, the crank rotation angle detection device 2 includes a sensed part 21 provided with a magnet group in which a plurality of magnets 21a to 21n are arranged circumferentially at predetermined intervals, and a sensed part. And a sensing unit 22 capable of detecting the magnets 21a to 21n constituting the member 21. The sensed part 21 is fixed to the end of the bottom bracket (not shown) of the frame B1 facing the chain ring B34 so as to face the chain ring B34, and is coaxially fixed to the crankshaft. The part 22 is fixed to the chain ring B34 and rotates together with the crank B31. Therefore, when the crank B31 rotates, the sensing unit 22 turns outside the magnet group (magnets 21a to 21n) of the sensed unit 21. In the present embodiment, the sensing unit 22 is integrated into the right-side power detection device 6 and integrated.

The sensed part 21 is composed of 14 magnets 21a to 21n. In the first range from 0 o'clock to 10 o'clock, 11 magnets 21a to 21k are arranged at intervals of 30 degrees, and 10 o'clock to 0 o'clock. In the second range up to the time direction, five magnets 21k to 21a are arranged at intervals of 7.5 degrees. Further, the magnets 21a to 21n are arranged so that the respective axial directions (magnetic poles) are directed in the radial direction, and the magnetic poles are arranged so that the directions of the magnetic poles are alternately outward and inward in the circumferential direction. Yes. The sensing unit 22 includes a magnetic sensor capable of detecting the S pole and the N pole, and the sensing unit 22 can detect the magnets 21a to 21n of the magnet group while rotating. When the sensing unit 22 detects the magnets 21a to 21n, it transmits a crank rotation angle detection signal indicating the strength of the magnetic field and the direction of the magnetic field to the right power detection device 6 and the left power detection device 7.

Next, the right pedal acting force detection device 3 and the left pedal acting force detection device 4 will be described. The right pedal acting force detection device 3 has a sheet shape as a whole, and is attached so as to wind around the right crankshaft B311 as shown in FIG. On the other hand, the left pedal acting force detection device 4 also has a sheet shape as a whole, and is attached so as to be wound around the left crankshaft B312 as shown in FIG. Since the configuration of the right pedal acting force detection device 3 and the configuration of the left pedal acting force detection device 4 are the same, the right pedal acting force detection device 3 will be described below.

As shown in FIG. 5, the right pedal acting force detection device 3 is directly attached to the right crankshaft B311 as an underlay of the strain sensor units 30 to 33 for detecting the strain to be detected and the respective strain sensor units 30 to 33. The upper waterproof sheet 38 that covers the underlying sheets 34 to 37 and the strain sensor units 30 to 33 collectively from the surface side of the strain sensor units 30 to 33, and the bottom surface of the upper waterproof sheet 38 and the surface of the right crankshaft B311 The lower waterproof sheet 39 is provided to block the gap formed between and the strain sensor units 30 to 33.

The underlay sheets 34 to 37 are made of an aluminum plate having elasticity (elasticity), and are bonded to the strain sensor units 30 to 33 on one side (hereinafter referred to as “surface”), and the other side (hereinafter referred to as “surface”). It is adhered to the strain detection location of the right crankshaft B311. Note that the surface of each of the underlying sheets 34 to 37 is larger than the corresponding strain sensor unit 30 to 33, and when the strain sensor units 30 to 33 are attached, a part of the surface is exposed. The lower waterproof sheet 39 is bonded to the exposed portion. The upper waterproof sheet 38 is adhered to the lower waterproof sheet 39 in a state of covering the strain sensor units 30 to 33 and the lower waterproof sheet 39.

As described above, the right pedal acting force detection device 3 is formed by integrating the strain sensor units 30 to 33, the underlay sheets 34 to 37, the upper waterproof sheet 38 and the lower waterproof sheet 39, and the underlay sheets 34 to 37 are on the back surface. The right crankshaft B311 is attached to the right crankshaft B311 in a state where it is adhered to a strain detection portion (a front surface, a rear surface, an outer surface, and an inner surface described later).

As described above, the right pedal acting force detection device 3 and the left pedal acting force detection device 4 separately detect the propulsive force and the loss force. Here, the

strain sensor units

30 and 31 are used for detecting the propulsive force, and the

strain sensor units

32 and 33 are used for detecting the loss force. The

strain sensor units

30 and 31 are attached to the front and rear surfaces of the right crankshaft B311 corresponding to the rotation direction of the crank B31. On the other hand, the

strain sensor units

32 and 33 are affixed to the outer side surface and the inner side surface of the right crankshaft B311 orthogonal to the rotation direction of the crank B31. When the strain sensor units 30 to 33 detect the strain, the strain sensor units 30 to 33 transmit a strain detection signal corresponding to the strain to the right-side power detection device 6.

As shown in FIG. 6 (a), the strain sensor unit 30 is arrow-shaped and is composed of a pair of

strain sensors

30a and 30b. When the right pedal B321 is located directly below (6 o'clock direction), It is affixed to the surface (hereinafter referred to as “front surface”) facing forward with respect to the traveling direction of the crankshaft B311. On the other hand, the strain sensor unit 31 also has an arrow feather shape, and is composed of a pair of

strain sensors

31a and 31b, and is similarly attached to a rear-facing surface (hereinafter referred to as “rear surface”). Each

strain sensor unit

30, 31 is affixed with the direction of the arrow-shaped arrow feathers facing the right pedal B 321 along the length direction of the right crankshaft B 311.

In this way, the propulsive force that is the rotational direction component of the pedal action force is applied by the

strain sensor units

30 and 31 that are attached to the front and rear surfaces of the right crankshaft B311, that is, the surface that receives the force in the rotational direction of the right crankshaft B311 Is detected. The pair of

strain sensors

30a and 30b and the pair of

strain sensors

31a and 31b constitute a propulsive force bridge circuit 3A shown in FIG. Specifically, the pair of

strain sensors

30a and 30b and the

strain sensors

31a and 31b constituting the

strain sensor units

30 and 31 are respectively arranged on opposite sides of the propulsive force bridge circuit 3A. Thereby, the distortion of the twist of the right crankshaft B311 (the influence of the force received from the inside and outside direction) can be canceled (cancelled).

As shown in FIG. 6 (b), the strain sensor unit 32 has an arrow feather shape and is composed of a pair of

strain sensors

32a and 32b, and the bicycle B with respect to the direction perpendicular to the traveling direction of the right crankshaft B311. Is attached to the surface facing the outside (hereinafter referred to as “outer surface”). On the other hand, the strain sensor unit 33 is also arrow-shaped and is composed of a pair of

strain sensors

33a and 33b, and is a surface facing the inside of the bicycle B with respect to the direction orthogonal to the traveling direction (hereinafter referred to as "inner surface"). ). Each

strain sensor unit

32, 33 is affixed with the direction of the arrow-shaped arrow feathers facing the right pedal B321 along the length direction of the right crankshaft B311.

Thus, the loss force which is the radial direction component of the pedal action force by the

strain sensor units

32 and 33 attached to the inner and outer surfaces of the right crankshaft B311, that is, the surface orthogonal to the rotation direction of the right crankshaft B311. Is detected. The pair of

strain sensors

32a and 32b and the pair of

strains

33a and 33b constitute a loss force bridge circuit 3B shown in FIG. Specifically, a pair of

strain sensors

32a and 32b and

strain sensors

33a and 33b constituting the

strain sensor units

32 and 33 are respectively disposed on opposite sides of the loss force bridge circuit 3B. Thereby, the distortion of the twist of the right crankshaft B311 (the influence of the force received from the rotation direction) can be canceled (cancelled).

The propulsive force bridge circuit 3A composed of the

strain sensor units

30 and 31 is connected to the right-side power detection device 6, and the right-side power detection device 6 is based on the output value X1 from the propulsion force bridge circuit 3A. A propulsive force (rotational direction component) Fx1 related to the right pedal acting force is calculated. On the other hand, the loss power bridge circuit 3B configured by the

strain sensor units

32 and 33 is also connected to the right power detection device 6, and the right power detection device 6 is based on the output value Y1 from the loss power bridge circuit 3B. The loss force (radial component) Fy1 of the right pedal acting force is calculated. In the same way, for the left-side power detection device 7, the left pedal acting force (rotational direction component) Fx2 is calculated, and the left pedal acting force loss force (radial direction component) Fy2 is calculated.

The cadence detection device 5 includes a magnet fixed to the left crankshaft B312 and a magnet detector mounted at a predetermined position of the frame B1, and the magnet is a magnet detector per unit time (1 minute). By detecting the number n (rpm) of passing the front, the number of rotations of the crank B31 per unit time is detected. Then, the cadence detection device 5 transmits a cadence detection signal corresponding to the rotation speed of the crank B31 per unit time to each of the

power detection devices

6 and 7.

The temperature sensor 8 is composed of, for example, a platinum resistance thermometer, detects the temperature T (° C.), and transmits a temperature detection signal corresponding to the temperature to the main body detection signal receiving unit 17 of the main body 1.

Next, the configuration of the cycle computer 100 will be described with reference to FIG. As described above, the cycle computer 100 includes the detection devices 2 to 5, the temperature sensor 8, the right power detection device 6 that calculates the right power based on the detection signals output from the detection devices 2 to 5, and each detection. A left-side power detection device 7 for calculating a left-side power based on detection signals output from the devices 2 to 5 and a main body 1 that controls and controls the entire cycle computer 100 are provided.

First, the left work rate detection device 7 will be described. The left work rate detection device 7 includes a left detection signal receiving unit 71, a left control unit 72, a left information storage unit 73, and a left work rate data transmission unit 74.

The left detection signal receiving unit 71 is an interface that receives each detection signal transmitted from the crank rotation angle detection device 2, the left pedal acting force detection device 4, and the cadence detection device 5.

The left control unit 72 includes a microcomputer including a CPU 72a, a ROM 72b, a RAM 72c, and the like, and calculates the left work rate based on the detection signal received by the left detection signal receiving unit 71. Specifically, the left control unit 72 calculates the left pedal operating force, calculates the rotation speed of the crank B31 based on the cadence detection signal from the cadence detection device 5, and calculates the left work rate based on these. To do. Further, the left control unit 72 detects the crank rotation angle based on the crank rotation angle detection signal. The ROM 72b of the left control unit 72 stores in advance program codes for executing detection of the left power and crank rotation angle executed by the CPU 72a. The RAM 72c functions as a working area for data and the like in arithmetic processing performed when the CPU 72a executes left-side power calculation processing.

The left side information storage unit 73 includes a RAM and stores predetermined information such as left side work rate data indicating the left side work rate calculated by the left side control unit 72.

The left work rate data transmitting unit 74 is an interface that transmits left work rate data indicating the left work rate calculated by the left control unit 72 to the left work rate data receiving unit 64 of the right work rate detecting device 6.

Next, the right power detection device 6 will be described. The right power detection device 6 includes a right detection signal receiver 61, a right controller 62, a right information storage unit 63, a left power data receiver 64, and an overall power data transmitter 65.

The right detection signal receiving unit 61 is an interface that receives each detection signal transmitted from the crank rotation angle detection device 2, the right pedal acting force detection device 3, and the cadence detection device 5.

The right control unit 62 includes a microcomputer including a CPU 62a, a ROM 62b, a RAM 62c, and the like, and calculates the right power based on various detection signals. Specifically, the right control unit 62 calculates the right pedal action force based on the output value X1 from the propulsive force bridge circuit 3A and the output value Y1 from the loss force bridge circuit 3B, and also detects a cadence detection device. 5 calculates the rotation speed of the crank B31 based on the cadence detection signal from 5, and calculates the right power on the basis of these. The right control unit 62 also detects the crank rotation angle based on the crank rotation angle detection signal. The ROM 62b of the right control unit 62 stores in advance program codes for executing the calculation of the right power and the detection of the crank rotation angle executed by the CPU 62a. The RAM 62c functions as a working area for data and the like in arithmetic processing performed when the CPU 62a executes right-side power calculation processing.

The left work rate data receiving unit 64 is an interface for receiving the left work rate data transmitted from the left work rate detecting device 7.

The right information storage unit 63 includes a RAM, and stores predetermined information such as right work rate data indicating the right work rate calculated by the right control unit 62 and left work rate data received by the left work rate data receiving unit 64.

Also, the right control unit 62 calculates the total work rate by adding the right work rate indicated by the right work rate data stored in the right information storage unit 63 and the left work rate indicated by the left work rate data.

The total power data transmitting unit 65 is an interface that transmits the total power data indicating the total power calculated by the right control unit 62 to the total power data receiving unit 11 of the main body 1.

Next, the main body 1 will be described. The main body 1 includes an overall power data receiving unit 11, a main body control unit 12, a main body information storage unit 13, an information input unit 14, an information display unit 15, a warning notification unit 16, a main body detection signal receiving unit 17, and a GPS signal receiving unit 18. Have

The total power data receiving unit 11 is an interface that receives the total power data transmitted from the total power data transmitting unit 65 of the right-side power detection device 6.

The main body control unit 12 includes a microcomputer including a CPU 12a, a ROM 12b, a RAM 13c, and the like, and calculates a representative value of the work rate from the start of traveling to the present time based on the received whole work rate data. In the present embodiment, the main body control unit 12 calculates, as a representative value, a work rate from the start of traveling to the current time.

The information input unit 14 includes operable operation units 14a to 14c (see FIG. 2), converts input signals accompanying operations received by the operation units 14a to 14c into control information corresponding to the operations, and controls the main body control unit 12. Send to. In the present embodiment, the

operation units

14a and 14c have a button structure that can be pressed, and 14b has a cross key structure. The driver can input predetermined information by combining the operations of the operation units 14a to 14c.

The main body control unit 12 is an average that is a relational expression between a predetermined time interval for the driver and an average of the maximum work rate that can be exhibited in the time interval based on the predetermined information input by the information input unit 14. A work rate curve (second work rate-time relational expression) is calculated and displayed on the information display unit 15 in a graph. Further, the main body control unit 12 determines, based on the predetermined information input by the information input unit 14, the time required for the driver to travel on the course by the bicycle B and the work rate based on the work amount required for the travel. An expected time curve (first work rate-time relational expression), which is a relational expression, is calculated and displayed in a graph on the information display unit 15. Further, the main body control unit 12 uses the calculated average work rate curve and the predicted time curve to determine an optimum work rate P _best (hereinafter referred to as “optimal work”) that is an index value when the driver travels the course. Rate P _best ) and the optimum time t _best (hereinafter referred to as “best time t _best ”) required to travel the course are calculated and displayed on the information display unit 15.

In addition, the main body control unit 12 calculates an average work rate, calculates an expected time based on the calculated value and an expected time curve, and displays it on the information display unit 15. Further, the main body control unit 12 determines the difference between the current average work rate (the calculated value of the latest average work rate) and the optimum work rate P _best which is an index value (reference value) of the average work rate (hereinafter referred to as “average work rate”). When the absolute value of “rate difference” is equal to or greater than a preset threshold value, that is, when the current average power is far from the optimal power, warning notification is performed in a predetermined manner.

In the ROM 12b of the main body control unit 12, program code for executing basic processing as the cycle computer 100 executed by the CPU 12a, the above-described predicted time curve, and the calculation of the predicted time based on the predicted time curve are stored in advance. It is remembered. The RAM 12c functions as a working area for data and the like in arithmetic processing performed when the CPU 12a executes basic processing or the like as the cycle computer 100.

The main body information storage unit 13 includes a RAM, information for calculating the average power curve input by the information input unit 14, information for calculating the expected time curve, and average work calculated by the main body control unit 12. The average work rate curve data indicating the rate curve, the expected time curve data indicating the expected time curve, and the expected time data indicating the expected time are stored.

The information display unit 15 is configured by a liquid crystal display, and is a graph representing an average power curve (hereinafter referred to as “average power graph”) and a graph representing an expected time curve (hereinafter referred to as “expected time curve graph”). And the optimum work rate and the best time are displayed. The information display unit 15 may be integrated with the information input unit 14 in a touch panel system.

The warning notification unit 16 is configured by a speaker and, as described above, sounds a predetermined alert when the absolute value of the difference between the calculated average power and the index value is equal to or greater than a threshold value.

The main body detection signal receiving unit 17 is an interface that receives the temperature detection signal transmitted from the temperature sensor 8. On the other hand, the GPS signal receiving unit 18 is an interface for receiving a warm GPS signal transmitted from a predetermined GPS satellite.

Next, the main process by the main body control unit 12 of the main body 1 will be described with reference to FIG. The main process is applied when traveling on a course that continues to climb.

First, when the power is turned on by operating a predetermined power supply selector switch (not shown), the main body control unit 12 determines predetermined information (hereinafter referred to as “average power curve”) for calculating an average power curve in step S1. "Information") is received. The average power curve information is composed of the maximum power that can be sustained in a predetermined period. In the present embodiment, the predetermined period is set to 180 sec (= t ₁ ), 300 sec (= t ₂ ), and 1200 sec (= t ₃ ), and the maximum power P for the predetermined period t ₁ to t ₃ is set. ₁ to P ₃ are set as average power curve information.

The main body control unit 12 accepts input of predetermined information (hereinafter referred to as “expected time curve information”) for calculating an expected time curve in step S2. The expected time curve information includes a user profile unique to the driver and the bicycle B and a course profile unique to the course to be run.

The user profile includes the driver's weight M _r [kg], the total weight M _b [kg] of the bicycle B including the equipment, a predetermined coefficient (air resistance coefficient × front projection area) CdA [m ² ], and rolling of the tire B2. Includes resistance coefficient Crr. On the other hand, the course profile includes a course travel distance (distance from the start point to the goal point along the course) D [m], and an elevation difference from the start point to the goal point (elevation of the goal point−elevation of the start point) h [M] and course temperature T [° C.] are included.

When the input processing of step S1 and step S2 is completed, for example, by performing an operation indicating completion of the predetermined information input processing in step S2, the main body control unit 12 is input in step S1 in step S3. Based on the average power factor curve information, an average power factor curve is calculated and stored in the main body information storage unit 13 and displayed on the information display unit 15 in a graph.

Here, the main body control unit 12 calculates the average power curve as follows. First, as shown in FIG. 10A, the maximum work W ₁ to W _{3 obtained} by multiplying each of the maximum work ratios P ₁ to P ₃ that are average power ratio curve information by the corresponding predetermined periods t ₁ to t ₃ , respectively. _Is a W component, and points on the Wt coordinate {W _AE1 (t ₁ , W ₁ ), W _AE2 (t ₂ , W ₂ ) and W _AE3 (t ₃ , W ₃ ), where t is a predetermined period t ₁ to t ₃ are t components. )}, An approximate straight line representing the relationship between the maximum work W and the predetermined period t is calculated by the least square method. Here, when the slope of the approximate line is CP [W] and the intercept is AWC [J], the relational expression is given by the following expression (1).

[Equation 1]
W = F (t) = CP × t + AWC (1)

When both sides of the relational expression (W = F (t)) representing the relationship between the maximum work W and the predetermined period t are differentiated with respect to time, the maximum work rate P and the predetermined period t as shown in FIG. The following equation (2) representing the relationship is obtained.

[Equation 2]
P = F (t) ′ = f (t) = CP + AWC / t (2)

In step S4, the main body control unit 12 calculates an expected time curve based on the predicted time curve information input in step S2, stores it in the main body information storage unit 13, and displays it in the information display unit 15 as a graph. To do.

Here, the main body control unit 12 calculates an expected time curve as follows. First, the total work amount W required to travel the course is calculated. The total work W is the amount of change in potential energy due to the difference in elevation from the start point to the goal point (W1), the work against the air resistance (W2), and the work against the rolling resistance (W3). Calculated by adding. W1 to W3 are given by the following equations (3) to (5).

[Equation 3]
_{_{W1 [J] = (M r}} + M b) gh ··· (3)

[Equation 4]
W2 [J] = 0.5 × air density (ρ ₀ / (1 + εT)) × CdA × (speed [m / s]) ² × D (4)
= 0.5 × air density (ρ ₀ / (1 + εT)) × CdA × D ³ / (time t [sec]) ²

[Equation 5]
W3 [J] = (M _r + M _b ) g × C _rr × D (5)

Then, when both sides of the relational expression between the total work amount W (= W1 + W2 + W3) and time t are differentiated by time t, an expected time curve {P = g (t)} is obtained. Note that “g” used in the equations (3) to (5) represents the acceleration of gravity, “ρ ₀ ” represents the air density, and “ε” represents the expansion coefficient of the air.

When the main body control unit 12 displays the average power rate curve and the expected time curve in a graph on the information display unit 15, the vertical axis is the work rate P [W] and the horizontal axis is the time on the information display unit 15. Coordinates composed of logarithms of t [sec] are displayed, and both curves are displayed as graphs on the coordinates (see FIG. 12).

In step S5, the main body control unit 12 determines the coordinates of the intersection of the average power curve (P = f (t)) and the predicted time curve (P = g (t)), that is, the average power curve information and the predicted time curve. Based on the information, the optimum work rate P _best and the best time t _best for the driver and the course are calculated (see FIG. 11). Since f (t) = g (t) is a non-linear equation and difficult to obtain analytically, the best time t _best is numerically calculated using an existing technique such as an iterative calculation by the Newton-Raphson method. calculate. Then, using the calculated best time _{t best,} optimum work rate is the job rate when the best time _{_{_{t best {f (t best)}}} = g (t best) = P best} is calculated.

In step S6, the main body control unit 12 starts measurement for calculating the expected time to travel to the goal point. Specifically, measurement is started by a timer counter provided in the RAM 12c. In the present embodiment, the timer counter is updated every 4 milliseconds.

The main body control unit 12 stores the total power data received by the total power data receiving unit 11 in the main body information storage unit 13 in step S7.

In step S8, the main body control unit 12 confirms the counter value indicated by the timer counter, acquires the counter value as time data, displays it on the information display unit 15, and from the start of travel (start of measurement) to the present time. _Is calculated and stored in the main body information storage unit 13.

In step S9, the main body control unit 12 calculates an expected time t _exp (time to arrive at the goal point) based on the average work rate P _now calculated in step S8. Specifically, the main body control unit 12 calculates the predicted time t _exp by substituting the average work rate P _now calculated in step S8 into the predicted time curve.

In step S10, the main body control unit 12 displays the expected time t _exp calculated in step S9 on the information display unit 15. Specifically, the main body control unit 12 displays the expected time t _exp in a predetermined area of the information display unit 15 (see FIG. 12, “Predicted goal time at current pace” in FIG. 12), and the current time The average power _Pnow is represented by a horizontal line, and a vertical line passing through the intersection of the horizontal line and the expected time curve is shown as an expected time. In addition, in step S10, the main body control unit 12 displays predetermined information such as the optimum power P _best and the current average power P _{now on the} information display unit 15 (see FIG. 12).

In step S11, the main body control unit 12 calculates the power difference by subtracting the optimum power P _best from the current average power P _now, and the absolute value of the power difference is equal to or greater than a preset threshold value. It is determined whether or not there is. If the main body control unit 12 determines that the threshold value is not equal to or greater than the threshold value, the process proceeds to step S13. In the present embodiment, the warning notification is generated by the warning notification unit 16 including a speaker, but the warning notification mode is not limited to this.

The main body control unit 12 determines whether or not a predetermined measurement end operation has been performed in step S13. If it is determined that there is no predetermined measurement end operation, the main body control unit 12 moves the process to step S7, and if it is determined that there is a predetermined measurement end operation, the main process ends.

Thus, the average work rate curve is calculated based on the average work rate curve information unique to the driver, and the expected time curve is obtained based on the expected time curve information related to the exercise (information on the course, the driver, and the bicycle B). Since the optimal work rate and the best time are calculated based on these curves, the accuracy of the index value of the driver for the course is improved. As a result, the driver can exercise efficiently or appropriately train. Furthermore, both the expected time and the best time at the current average work rate (pace) are calculated and displayed, thereby providing the driver with a gap between the ideal and the current state. As a result, the driver can adjust the pace distribution, and can perform exercise or appropriate training more efficiently.

In addition, when the difference between the current average work rate and the optimum work rate is equal to or greater than a predetermined threshold, a warning notification is made by sounding an alert sound, so the driver can distribute the pace while concentrating on running (exercise). Can be adjusted.

(Embodiment 2)
In the first embodiment, the expected time curve is constant. However, the predicted time curve can be changed based on predetermined information relating to the non-running portion of the course at the present time after starting running. The main process by the main body control unit 12 in this case will be described with reference to FIG. Although the number of “Step S” is different, the description of Step S1 to Step S2, Step S4 to Step S6, Step S13 to Step S14, and Step S17 to Step S19 having the same contents as Embodiment 1 is omitted. .

In step S3, the main body control unit 12 determines predetermined information (hereinafter referred to as “determination value information”) relating to a determination value (hereinafter referred to as “predicted time curve change determination value”) used in determining whether or not to change the predicted time curve. ”). When the determination value information is input, the main body control unit 12 stores determination value data indicating the determination value information in the determination value information data area of the main body information storage unit 13. In the present embodiment, the predicted time curve change determination value is configured by a distance from the start point to the current time (D _j: hereinafter referred to as “determination distance D _j ”), and the determination value information is also configured by the determination distance D _j . . Then, when the predetermined information input process of S1 to S3 is completed, for example, by performing an operation indicating the completion of the predetermined information input process in S3, the main body control unit 12 moves the process to S4.

In step S8, the main body control unit 12 acquires expected time update determination data. The predicted time update determination data is an actual measurement value for comparison with determination value information in order to determine whether or not to change the predicted time curve. Since the main body 1 includes the GPS signal receiving unit 18 and can receive GPS signals from GPS satellites, the current position information P _n (Px _n , Py _n ) is measured as an actual measurement value. Then, it acquires position information P ₀ at the same time the starting point and the measurement starting at S7, stores the start point position data indicating the position information to the start point position data storage area of the main information storage unit 13, step S8 Is calculated, the travel distance D from the start point to the local point (= Σ ((Px _k −Px _k−1 ) ² + (Py _k −Py _k−1 ) ² ) ^1/2 ) And obtained as expected time update determination data.

Main control unit 12 determines in step S9, the travel distance D is expected time curve change determination value to become determined distance D _j above, i.e., whether or not to update the expected time curve. When a plurality of determination distances D _j are set, for example, the determination distance D _j determined to be “YES” in S9 can be determined by a predetermined flag or the like, and the determination distance used this time based on the flag Select D _j .

When determining that the predicted time curve is not updated, the main body control unit 12 proceeds to step S13, and when determining that the predicted time curve is to be updated, the main body control unit 12 determines predetermined information (hereinafter referred to as “predicted”) for updating the predicted time curve in step S10. Time curve update information ”is acquired and stored in a predetermined area of the main body information storage unit 13. In step S11, the predicted time curve is updated based on the acquired predicted time curve update information.

In the present embodiment, the predicted time curve update information includes the altitude difference h from the local point to the goal point, the current temperature T, and the travel distance D from the local point to the goal point. The altitude difference h from the local point to the goal point and the travel distance D from the local point to the goal point are calculated based on, for example, GPS signals. Further, the main body control unit 12 can update the predicted time curve by newly substituting the predicted time curve update information acquired in step S10 into the predicted time curve.

In step S12, the main body control unit 12 calculates the intersection between the new predicted time curve and the average power curve updated in step S11, and updates the optimal power and the best time.

In step S15, the main body control unit 12 calculates the predicted time by substituting the average power into the new predicted time curve based on the average power calculated in step S14, and calculates the predicted time. The predicted time data shown is stored in the predicted time data storage area of the main body information storage unit 13.

In step S16, the main body control unit 12 updates or calculates and stores the new predicted time curve, the optimum work rate / best time, the predicted time and the predicted remaining time until the goal stored in the main body information storage unit 13 as an information display unit. 15 is newly displayed.

As described above, since the expected time curve is updated and displayed based on the predetermined information related to the non-running portion of the course at the current time, a static index value corresponding to the current time can be provided to the driver. In particular, the effect is effective when the running pace is likely to change due to the change in the course gradient.

In the present embodiment, the predetermined information related to the predicted time curve change determination value is configured by the distance from the starting point along the course, but may be configured by position information. In this case, in step S9, it is possible to determine whether or not to change the predicted time curve depending on whether or not the position information indicated by the GPS signal is position information as the predicted time curve change determination value.

The predicted time curve change determination value is acquired by the main body control unit 12 when the driver inputs a specific number, but the information display unit 15 is configured with a touch panel, and at least the information display unit 15 is in the step S3. The main body control unit 12 detects the position information by displaying a map of the course and the driver touches the displayed map, and stores it in the main body information storage unit 13 as an estimated time curve change determination value. It is also possible to do.

Further, in the present embodiment, whether or not the expected time curve can be changed is determined by comparing the predicted time curve change determination value and the predicted time update determination data, but a preset operation unit (for example, Whether or not the expected time curve can be changed is determined based on whether or not the operation unit 14c is operated, that is, the expected time curve can be changed when the player operates a preset operation unit.

In this embodiment, the average power curve is constant, but can be changed according to the actual measurement value. For example, as in the present embodiment, P ₁ to P ₃ are input as the average power curve information, and the average power for a predetermined time according to P ₁ to P ₃ is calculated and based on the calculated value. Thus, the average power curve can be updated or newly calculated and displayed. Thereby, an accurate index value can be presented to the driver.

(Other embodiments)
In the first embodiment and the second embodiment, when the average power difference becomes equal to or greater than the threshold value, an alert sound sounds as a warning notification. However, the background color of the information display unit 15 or a predetermined character / graph or the like is normal as a warning notification. It is also possible to change to a different special embodiment.

Further, in the second Embodiment 1 and Embodiment, the average work rate curve information, the maximum work rate The average P _{1 ~} P ₃ is set for a predetermined time period t _{1 ~} t _3, the contents of the predetermined time period which Not limited to. It is also possible to set different predetermined periods or change the number of predetermined periods. It is also possible to freely set the contents of the predetermined period.

In the first and second embodiments, the average power curve information is acquired by receiving the input of the average power curve information in step S1 of the main process. However, the method for acquiring the average power curve information is not limited to this. For example, each time the main process is executed (every time the bicycle B is run), the average power for a plurality of predetermined periods is calculated and stored, and in step S1, a plurality of past predetermined periods are stored. It is also possible to use the average power as average power curve information in the main process. Thus, by acquiring the average power factor curve information based on the past performance, the calculated index value becomes more accurate.

In the first embodiment and the second embodiment, the maximum power for a plurality of predetermined periods is set as the average power curve information. For example, critical power (CP: Theoretically, the maximum work rate (power) sustained without causing fatigue) and the non-renewable oxygen-free working capacity (AWC) can be set.

In the first embodiment and the second embodiment, the main process is applied when traveling on a course that continues to climb, but it can also be applied to a course in which a descent is present. Further, an expected time curve dedicated to climbing and an expected time curve dedicated to descending are stored in the ROM 12b and the like, and are automatically operated by operation of the operation units 14a to 14c or automatically by an inclination or a position measured from a GPS signal. You can also switch the expected time curve.

In the present embodiment, the index value calculation device of the present invention is configured by the cycle computer 100 and applied to the bicycle B. However, the present invention is not limited to this, and is applied to a stationary training bicycle or swan boat. It is also possible to do. Moreover, if an average work rate can be detected, it can also be applied to swimming and marathon.

Further, processing such as calculation of the average power and calculation of the specific period difference is executed based on a program built in the ROM 12b of the main body control unit 12 of the main body 1 of the cycle computer 100. The recorded recording medium can be inserted, and a recording medium card can be inserted for use. The program can be stored in the ROM 12b in advance, or can be downloaded and acquired. Furthermore, it is possible to make the main body 1 communicable with a predetermined server and execute processing such as calculation of average work rate and calculation of expected time using a program on the server.

DESCRIPTION OF SYMBOLS 1 Main body 2 Crank rotation angle detection device 3 Right pedal action force detection device 4 Left pedal action force detection device 5 Cadence detection device 6 Right side work rate detection device 7 Left side work rate detection device 12 Main body control part 13 Main body information storage part 14 Information input Part 15 Information display part 21 Sensed part 22 Sensing part 100 Cycle computer B Bicycle B3 Drive mechanism B31 Crank B311 Right crankshaft B312 Left crankshaft B32 Pedal B321 Right pedal B322 Left pedal B33 Chain B34 Chain ring B4 Handle

Claims

Specific information acquisition means for acquiring specific information related to a predetermined exercise;
Based on the unique information acquired by the unique information acquisition means, a first work rate-time relational expression that is a relational expression between the time required for the exercise and the work rate based on the work required for the exercise is calculated. 1 calculating means;
Predetermined information acquisition means for acquiring predetermined information for calculating a second work rate-time relational expression that is a relational expression between a predetermined time interval for the exerciser and a work rate in the time interval;
Second calculation means for calculating the second power-time relational expression based on the predetermined information acquired by the predetermined information acquisition means;
Based on the first power-time relational expression calculated by the first calculation means and the second power-time relational expression calculated by the second calculation means, an intersection of these relational expressions is obtained. An index value calculation device for exercise, comprising: index value calculation means for calculating either or both of the work rate and time to be configured as an index value.
The index value calculation device according to claim 1, further comprising index value display means for displaying the index value calculated by the index value calculation means.
A work rate detecting means for detecting the work rate of the exerciser;
Comparison means for comparing the power detected by the power detection means with the power as the index value calculated by the index value calculation means;
The index value calculation apparatus according to claim 1, further comprising: a notifying unit that notifies the result of the comparison by the comparison unit when the comparison result is a predetermined result.
A difference calculating means for calculating a difference between the time required for the exercise based on the power detected by the power detecting means and the time as the index value calculated by the index value calculating means;
The index value calculation apparatus according to claim 3, further comprising difference display means for displaying the difference calculated by the difference calculation means.
The first work which is a relational expression between the time required for the exercise and the work rate based on the work required for the exercise based on the unique information acquired by the unique information acquisition means for acquiring the unique information related to the predetermined exercise A first calculation step of calculating a rate-time relational expression;
The predetermined information acquired by the predetermined information acquisition means for acquiring the predetermined information for calculating the second work rate-time relational expression, which is a relational expression between the predetermined time interval for the exerciser and the work rate in the time interval A second calculation step of calculating the second power-time relational expression based on the information;
Based on the first power-time relational expression calculated in the first calculation step and the second power-time relational expression calculated in the second calculation step, an intersection of these relational expressions is obtained. An index value calculation method for calculating an index value for exercise, comprising: an index value calculation step of calculating, as an index value, either or both of the work rate and time to be configured.
On the computer,
The first work which is a relational expression between the time required for the exercise and the work rate based on the work required for the exercise based on the unique information acquired by the unique information acquisition means for acquiring the unique information related to the predetermined exercise A first calculation function for calculating a rate-time relational expression;
Acquired by a predetermined information acquisition means for acquiring predetermined information for calculating a second work rate-time relational expression, which is a relational expression between a predetermined time interval for an exerciser of the exercise and the work rate in the time interval. A second calculation function for calculating the second power-time relational expression based on the predetermined information;
Based on the first power-time relational expression calculated by the first calculation function and the second power-time relational expression calculated by the second calculation function, an intersection of these relational expressions is obtained. An index value calculation program for exercise, which realizes an index value calculation function for calculating either or both of a work rate and time to be configured as an index value.
A recording medium on which the measurement program according to claim 6 is recorded.