JP7248383B2 - Transmission-related devices and transmission systems - Google Patents

Description

TECHNICAL FIELD The present invention relates to a transmission-related device and a transmission system.

2. Description of the Related Art A transmission system is known that automatically controls a transmission mounted on a human-powered vehicle in accordance with a transmission condition. A conventional transmission system controls the transmission so that the crank rotation speed is maintained within a predetermined range in accordance with a shift condition defined based on the crank rotation speed of the manpowered vehicle and a threshold value. Patent Literature 1 discloses an example of a conventional transmission system.

Japanese Patent Publication No. 10-511621

It is desirable to provide a comfortable driving environment for users who board human-powered vehicles. Here, the problem is examined by taking a transmission system that automatically controls the transmission as an example. Similar problems exist in

SUMMARY OF THE INVENTION An object of the present invention is to provide a shift-related device and a shift system that can contribute to providing a comfortable driving environment.

A shift-related device according to a first aspect of the present invention includes a determination unit that determines success or failure of a shift of a transmission mounted on a human-powered vehicle.
If the user riding in the manpowered vehicle can grasp the determination result of the success/failure determination, it is difficult for the user to feel a sense of discomfort even if the gear shift of the transmission fails. Therefore, it can contribute to providing a comfortable driving environment.

In the shift-related device according to the second aspect according to the first aspect, the determination unit performs the success/failure determination based on predetermined information.
Therefore, the determination accuracy in the success/failure determination is improved.

In the transmission-related device according to the third aspect according to the second aspect, the determination unit receives the predetermined information from at least one of the human powered vehicle component and the external device.
Therefore, the determination accuracy in the success/failure determination is improved.

In the transmission-related device according to the fourth aspect according to the second or third aspect, the predetermined information includes vehicle information regarding a human-powered vehicle.
Therefore, the determination accuracy in the success/failure determination is improved.

In the transmission-related device according to the fifth aspect according to the fourth aspect, the vehicle information includes running information regarding the running state of the human-powered vehicle.
Therefore, the determination accuracy in the success/failure determination is improved.

In the shift-related device according to the sixth aspect according to the fifth aspect, the travel information includes cadence,
At least one of torque, vehicle speed, acceleration, and power acting on the crank of the manpowered vehicle.
Therefore, the determination accuracy in the success/failure determination is improved.

The shift-related device according to the seventh aspect according to any one of the first to sixth aspects, further comprising a condition changing unit that changes a shift condition for executing the shift according to the determination result of the determining unit. .
Since the transmission is controlled under the gear shift conditions according to the result of the success/failure determination, it is possible to contribute to providing a comfortable driving environment.

In the shift-related device according to the eighth aspect according to the seventh aspect, the condition changing section changes the threshold value defining the gear shifting condition according to the determination result of the determining section.
Therefore, it can contribute to providing a comfortable driving environment.

In the shift-related device according to the ninth aspect according to the seventh or eighth aspect, the condition changing unit changes the shift condition according to the number of times of at least one of the success/failure determinations.
Therefore, it can contribute to providing a comfortable driving environment.

In the transmission-related device according to the tenth aspect according to the ninth aspect, the transmission has at least a first gear stage and a second gear stage, and the condition changing section shifts from the first gear stage to the second gear stage. The shift condition for executing the first shift is changed according to at least one number of times of the success/failure determination for the first shift, which is the shift to the gear.
Therefore, it can contribute to providing a comfortable driving environment.

In the shift-related device according to the eleventh aspect according to the tenth aspect, the condition changing unit executes the first shift when the number of failure determinations in the success/fail determination for the first shift is equal to or greater than a first predetermined number of times. The gear shift condition is changed so that the gear shift condition for the transmission is less likely to be established.
If the number of failure determinations in the success/failure determination for the first shift is equal to or greater than the first predetermined number of times, it is assumed that the success rate of the first shift is low. Since the shift-related device changes the shift conditions as described above, it can contribute to providing a comfortable driving environment.

In the shift-related device according to the twelfth aspect according to the tenth or eleventh aspect, the condition changing unit is adapted to change the first gear shift when the number of success determinations in the success/failure determination for the first gear shift is a second predetermined number of times or more. is changed so as to facilitate establishment of the gear shift condition for executing the above.
If the number of success determinations in the success/failure determination for the first shift is equal to or greater than the second predetermined number of times, it is assumed that the success rate of the first shift is high. Since the shift-related device changes the shift conditions as described above, it can contribute to providing a comfortable driving environment.

The shift-related device of the thirteenth aspect according to any one of the first to twelfth aspects further includes a notification unit that notifies notification information according to the determination result of the determination unit.
Therefore, the user can easily grasp the determination result of the success/failure determination.

A shift-related device according to a fourteenth aspect of the present invention includes a notification unit that notifies notification information when a success/failure determination result regarding a shift of a transmission mounted on a human-powered vehicle is a failure determination.
Since the user riding in the human-powered vehicle can grasp the failure determination based on the success/failure determination, it is difficult for the user to feel a sense of incongruity when the transmission fails. Therefore, it can contribute to providing a comfortable driving environment.

In the shift-related device according to the 15th aspect according to the 13th or 14th aspect, the notification information includes information regarding failure determination in the success/failure determination.
Therefore, it can contribute to providing a comfortable driving environment.

In the transmission-related device of the sixteenth aspect according to any one of the thirteenth to fifteenth aspects, the notification information includes information regarding maintenance of the manpower-driven vehicle.
Therefore, maintenance of the transmission can be performed at suitable timing.

In the shift-related device of the 17th aspect according to any one of the 13th to 16th aspects, the notification unit outputs the notification information using at least one of light, sound, and vibration.
Therefore, the user can easily grasp the notification information.

In the shift-related device according to the eighteenth aspect according to the seventeenth aspect, the notification unit includes at least one of a light emitting element, a display, a speaker, and a vibrating element.
Therefore, the user can easily grasp the notification information.

A shift-related device according to a nineteenth aspect of the present invention includes a control section that executes processing related to the transmission in accordance with a shift history regarding shifts of the transmission mounted on the human-powered vehicle.
Since the process related to the transmission is executed according to the shift history, it can contribute to providing a comfortable driving environment.

In the shift-related device according to the twentieth aspect according to the nineteenth aspect, the control unit causes the notification unit to output notification information according to the shift history.
Therefore, the user who gets on the manpower-driven vehicle can easily grasp the notification information.

In the shift-related device according to the 21st aspect according to the twentieth aspect, the notification information includes at least one of success/failure determination information regarding the shift, information regarding maintenance of the manpowered vehicle, and information regarding the gear set.
Therefore, it can contribute to providing a comfortable driving environment.

In the shift-related device according to the 22nd aspect according to the 21st aspect, the control unit causes the notification unit to output the notification information including the information regarding the gear set according to the number of shifts of the transmission.
Since the notification information includes information regarding the gear set according to the number of shifts of the transmission, the user can grasp the gear set suitable for him/herself.

In the shift-related device of the 23rd aspect according to any one of the 19th to 22nd aspects, the shift history includes the number of shifts of the transmission, cadence, torque acting on the crank of the manpowered vehicle, vehicle speed, and acceleration. , and power.
Therefore, it can contribute to providing a comfortable driving environment.

In the shift-related device according to the 24th aspect according to any one of the 19th to 23rd aspects, the control unit changes a shift condition for executing the shift according to the shift history.
Since the transmission is controlled under the gear shift conditions according to the gear shift history, it is possible to contribute to providing a comfortable driving environment.

In the shift-related device according to the twenty-fifth aspect according to the twenty-fourth aspect, the control unit changes a threshold value defining the shift condition according to the shift history.
Therefore, it can contribute to providing a comfortable driving environment.

In the gear shift-related device according to the twenty-sixth aspect according to the twenty-fourth or twenty-fifth aspect, the control unit changes the gear shift condition according to the number of gear shifts of the transmission.
Therefore, it can contribute to providing a comfortable driving environment.

In the transmission-related device according to the twenty-seventh aspect according to the twenty-sixth aspect, the transmission has at least a first gear stage and a second gear stage, and the control unit controls the shift from the first gear stage to the second gear stage. The shift condition for executing the first shift is changed according to the number of shifts of the first shift, which is the shift to .
Therefore, it can contribute to providing a comfortable driving environment.

In the shift-related device according to the twenty-eighth aspect according to the twenty-seventh aspect, the control unit determines that, when the number of shifts of the first shift is equal to or greater than a third predetermined number of times, the shift condition for executing the first shift is satisfied. The shift condition is changed so as to make it difficult to shift.
If the number of times the first shift is performed is equal to or greater than the third predetermined number of times, it is assumed that the success rate of the first shift is low. Since the shift-related device changes the shift conditions as described above, it can contribute to providing a comfortable driving environment.

In the shift-related device according to the twenty-ninth aspect according to the twenty-seventh or twenty-eighth aspect, when the number of shifts in the first shift is less than a fourth predetermined number, The shift conditions are changed so that the conditions are easily satisfied.
If the number of times the first shift is performed is less than the fourth predetermined number of times, it is assumed that the success rate of the first shift is high. Since the shift-related device changes the shift conditions as described above, it can contribute to providing a comfortable driving environment.

The transmission-related device of the thirtieth aspect according to any one of the first to twenty-ninth aspects further includes a storage unit for storing information.
Therefore, it can contribute to providing a comfortable driving environment.

A transmission system according to a thirty-first aspect of the present invention includes the transmission-related device and the transmission.
Therefore, it can contribute to providing a comfortable driving environment.

The gearshift-related device and gearshift system of the present invention can contribute to providing a comfortable driving environment.

1 is a side view of a human-powered vehicle including the transmission system of the first embodiment; FIG. 2 is a block diagram of the transmission system of FIG. 1; FIG. FIG. 2 is a map showing an example of shift conditions for automatically controlling the transmission of FIG. 1; FIG. FIG. 3 is a flowchart showing an example of control executed by the shift-related device of FIG. 2; FIG. The block diagram of the transmission system of 2nd Embodiment. FIG. 6 is a flowchart showing an example of control executed by the shift-related device of FIG. 5; FIG.

(First embodiment)
A human-powered vehicle A including a transmission system 10 will be described with reference to FIG.
Here, a human-powered vehicle means a vehicle that at least partially uses human power as a driving force for running, and includes vehicles that use electric power to assist human power. Vehicles that use only motive power other than human power are not included in man-powered vehicles. In particular, a vehicle using only an internal combustion engine as a motive power is not included in a human-powered vehicle. Typically, the human-powered vehicle is assumed to be a small light vehicle, and a vehicle that does not require a license to drive on public roads. The illustrated man-powered vehicle A is an e-bike that includes an electric assist unit E that assists the man-powered vehicle A in propulsion using electrical energy. Specifically, the illustrated manpowered vehicle A is a trekking bike. Manpowered vehicle A further includes frame A1, front fork A2, front wheels WF, rear wheels WR, steering wheel H and drive train B.

The drive train B is configured as a chain drive type. Drivetrain B includes crank C, front sprocket D1, rear sprocket D2, and chain D3. The crank C includes a crankshaft C1 rotatably supported by the frame A1, and a pair of crank arms C2 provided at both ends of the crankshaft C1. A pedal PD is rotatably attached to the tip of each crank arm C2. The drive train B can be selected from any type, and may be a belt drive type or a shaft drive type.

The front sprocket D1 is provided on the crank C so as to rotate integrally with the crankshaft C1. The rear sprocket D2 is provided on the hub HR of the rear wheel WR. Chain D3 is wound around front sprocket D1 and rear sprocket D2. A driving force applied to the pedal PD by a user riding in the manpowered vehicle A is transmitted to the rear wheel WR via the front sprocket D1, the chain D3, and the rear sprocket D2.

Manpowered vehicle A further includes a manpowered vehicle component CO. The manpowered vehicle component CO includes at least one of a transmission T, a braking device BD, a suspension SU, an adjustable seat post ASP, an electric assist unit E, and a detection device DD (see FIG. 2). The braking device BD, the suspension SU, and the adjustable seat post ASP may be mechanically driven according to operation of the corresponding operating device, or may be electrically driven according to operation of the corresponding operating device. . The electrically driven elements of the manpower-driven vehicle components CO are supplied with electric power, for example, from the battery BT mounted on the manpower-driven vehicle A, or a dedicated battery mounted on each manpower-driven vehicle component CO. It operates by power supplied from a power source (not shown) of the device.

The transmission T includes at least one of a front derailleur TF and a rear derailleur TR. The front derailleur TF is provided near the front sprocket D1. As the front derailleur TF is driven, the front sprocket D1 around which the chain D3 is wound is changed, and the gear ratio of the human-powered vehicle A is changed. A rear derailleur TR is provided at the rear end A3 of the frame A1. As the rear derailleur TR is driven, the rear sprocket D2 around which the chain D3 is wound is changed, and the gear ratio of the human-powered vehicle A is changed. The transmission T may be configured to be automatically driven according to the gear shift conditions, or may be configured to be mechanically or electrically driven according to the operation of the shift lever SL. Note that the transmission T may be configured as an internal type such as an internal transmission hub.

The braking devices BD include braking devices BD corresponding to the number of wheels. In this embodiment, the human-powered vehicle A is provided with a braking device BD corresponding to the front wheels WF and a braking device BD corresponding to the rear wheels WR. The two braking devices BD have the same construction as each other. The braking device BD is a rim braking device that brakes the rim R of the manpowered vehicle A, for example. In one example, the corresponding braking device BD is mechanically or electrically driven according to the operation of the brake lever BL (operating device). The braking device BD may be a disc brake device that brakes a disc brake rotor (not shown) mounted on the manpowered vehicle A.

Suspension SU includes at least one of front suspension SF and rear suspension (not shown). The front suspension SF operates so as to reduce the impact that the front wheels WF receive from the ground. The rear suspension operates so as to reduce the impact that the rear wheel WR receives from the ground. The adjustable seatpost ASP operates to change the height of the saddle S with respect to the frame A1. The electric assist unit E operates so that the propulsive force of the human-powered vehicle A is assisted. The electric assist unit E operates according to the driving force applied to the pedal PD, for example. The electric auxiliary unit E includes an electric motor E1. A detection device DD is mounted on the manpowered vehicle A so as to detect predetermined information.

The configuration of the transmission system 10 will be described with reference to FIG.
The transmission system 10 includes a transmission-related device 12 and a transmission T. As shown in FIG. The transmission system 10 is driven by electric power supplied from the battery BT, for example. The shift-related device 12 includes a determination unit 14 that determines the success or failure of the shift of the transmission T mounted on the manpowered vehicle A. As shown in FIG. The determination unit 14 performs a success/failure determination, for example, to determine either a success determination indicating that the shift of the transmission T has succeeded or a failure determination indicating that the shift of the transmission T has failed. The determination unit 14 performs success/failure determination based on predetermined information. In one example, the determination unit 14 performs the success/failure determination based on the relationship between the predetermined information before the gear shift is completed and the predetermined information after the gear shift is completed.

The determination unit 14 receives predetermined information from at least one of the manpowered vehicle component CO and the external device ED. The external device ED includes at least one of a smart device, personal computer, and imaging device (not shown). Smart devices include at least one of wearable devices such as smart watches, smartphones, and tablet computers. The imaging device includes a camera. In this embodiment, the determination unit 14 receives predetermined information from the detection device DD included in the component CO for manpowered vehicle.

The predetermined information includes vehicle information about the human-powered vehicle A. The vehicle information includes running information about the running state of the human-powered vehicle A. FIG. The travel information includes at least one of cadence, torque acting on the crank C of the manpowered vehicle A, vehicle speed, acceleration, and power. Power is the product of cadence and torque. The detection device DD includes, for example, one or more sensors (not shown) that detect predetermined information. Specifically, the detection device DD includes at least one of a sensor that detects cadence, a sensor that detects torque acting on the crank C, a sensor that detects vehicle speed, and a sensor that detects acceleration (not shown). . The detection device DD outputs, for example, various detected information to the shift-related device 12 . In this embodiment, the determination unit 14 performs the success/failure determination based on the predetermined information received from the detection device DD. Here, the determination unit 14 may determine success determination when the shift shock is less than a predetermined value, and determine failure determination when the shift shock is equal to or greater than the predetermined value. The shift shock may be acquired from sound or vibration, or may be acquired from the amount of change per unit time regarding travel information such as cadence.

The shift-related device 12 further includes a control section 16 that automatically controls the transmission T according to shift conditions. The control unit 16 is a CPU (Central Processing Unit) or an MPU (Micro Processing Unit). The control unit 16 can also control the transmission T according to the operation of the shift lever SL, for example. In this case, an operation device (not shown) is provided for switching between a state in which the transmission T is automatically controlled according to the shift conditions and a state in which the transmission T is manually operated according to the operation of the shift lever SL. It may be provided in the manpowered vehicle A.

As shown in FIG. 3, the shift condition is defined based on the reference value and threshold TH. The reference value includes at least one of driving information about the driving state of the manpowered vehicle A and environment information about the driving environment of the manpowered vehicle A. The environmental information includes at least one of road surface information regarding road surface conditions, air resistance information regarding air resistance, weather information regarding weather, and temperature information regarding air temperature. The road surface information includes at least one of resistance information about the resistance of the road surface and slope information about the gradient of the road surface. Road surface resistance varies with scree, gravel, asphalt, and the like. The air resistance information includes information on air resistance acting on the user and the manpowered vehicle A when the manpowered vehicle A travels. In one example, the air resistance information includes wind information about wind power, such as wind speed, wind pressure, and wind direction. In an example where environmental information is applied as a reference value, at least one of a sensor that detects road surface information, a sensor that detects air resistance information, a receiver that receives weather information from the outside, and a sensor that detects temperature information is detected. Included in device DD (not shown).

The threshold TH includes a first threshold TH1 and a second threshold TH2. The control unit 16 controls the transmission device T so that the gear ratio increases according to the relationship between the reference value and the first threshold TH1, and decreases the gear ratio according to the relationship between the reference value and the second threshold TH2. The transmission T is controlled as follows. In this embodiment, the first threshold TH1 is greater than the second threshold TH2. That is, the thresholds TH1 and TH2 that define the shift conditions have hysteresis characteristics. In one example, the control unit 16 controls the transmission device T so that the gear ratio increases when the reference value exceeds the first threshold TH1, and shifts so that the gear ratio decreases when the reference value falls below the second threshold TH2. Control the device T. In addition to the transmission T, the control unit 16 may be configured to control various electrically driven manpowered vehicle components CO.

The shift-related device 12 further includes a condition changer 18 (see FIG. 2) that changes the shift condition for executing the shift according to the determination result of the determiner 14 . In one example, the condition changing unit 18 changes the threshold TH that defines the shift condition according to the determination result of the determining unit 14 . The condition changing section 18 may be configured as an element included in the control section 16 .

For example, if the success/failure determination satisfies the first condition, the condition changing unit 18 changes the shift condition so that the shift condition is less likely to be established. In this case, the condition changing unit 18 changes the shift condition so as to widen the hysteresis width that defines the hysteresis characteristic. The condition changing unit 18 may change the first threshold TH1 so that the first threshold TH1 is separated from the second threshold TH2, or change the second threshold TH2 so that the second threshold TH2 is separated from the first threshold TH1. Alternatively, the thresholds TH1 and TH2 may be changed such that the first threshold TH1 and the second threshold TH2 are separated from each other. Solid-line thresholds TH1 and TH2 shown in FIG. 3 are examples of thresholds TH1 and TH2 before change. Thresholds TH1 and TH2 indicated by two-dot chain lines in FIG. 3 are examples of thresholds TH1 and TH2 after change so that the shift condition is less likely to be satisfied.

For example, when the success/failure determination satisfies the second condition, the condition changing unit 18 changes the shift condition so that the shift condition is likely to be satisfied. In this case, the condition changing unit 18 changes the shift condition so as to narrow the hysteresis width. The condition changing unit 18 may change the first threshold TH1 so that the first threshold TH1 approaches the second threshold TH2, and may change the second threshold TH2 so that the second threshold TH2 approaches the first threshold TH1. Alternatively, the thresholds TH1 and TH2 may be changed so that the first threshold TH1 and the second threshold TH2 are closer to each other. Thresholds TH1 and TH2 indicated by dashed-dotted lines in FIG. 3 indicate an example of the thresholds TH1 and TH2 after change so as to facilitate the establishment of the shift condition.

The condition changing unit 18 changes the shift condition according to at least one of the number of success/failure determinations. Specifically, the condition changing unit 18 changes the threshold TH that defines the change condition according to the number of times of at least one of the success determination and the failure determination in the success/failure determination.

The transmission T has a plurality of gear stages. In one example, the front derailleur TF and the rear derailleur TR each have multiple shift stages. The number of gear stages that the front derailleur TF has corresponds to the number of front sprockets D1. The number of shift stages provided by the rear derailleur TR conforms to the number of rear sprockets D2. The gear ratio of the manpower-driven vehicle A is determined by the relationship between the gear ratio corresponding to the gear stage of the front derailleur TF and the gear ratio corresponding to the gear stage of the rear derailleur TR.

In this embodiment, the transmission T has at least a first gear stage and a second gear stage. The condition changing unit 18 changes the shift condition for executing the first shift according to at least one of the number of success/failure determinations for the first shift, which is the shift from the first shift stage to the second shift stage. That is, the condition changing unit 18 changes the threshold value TH that defines the shift condition according to at least one of the number of success determinations and failure determinations in the success/failure determination for the first shift.

If the number of failure determinations is a first predetermined number or more in the success/failure determination for a predetermined shift, which is a shift from a predetermined shift stage to another shift stage, for example, the condition changing unit 18 sets the first shift stage. It is determined that the conditions are satisfied. The first predetermined number of times is set in advance based on, for example, a general failure rate regarding shifting. If the number of failure determinations is equal to or greater than the first predetermined number, the front derailleur TF, the rear derailleur TR, the front sprocket D1 on which the chain D3 is scheduled to be wound after the completion of shifting (hereinafter referred to as "scheduled shift destination"), and the scheduled shift destination rear It is assumed that at least one of sprocket D2 and chain D3 is highly deteriorated. In one example, the condition changing unit 18 determines that the first condition is satisfied when the number of failure determinations in the success/failure determination for the first shift is equal to or greater than a first predetermined number of times. Specifically, when the number of failure determinations in the success/failure determination for the first shift is equal to or greater than a first predetermined number of times, the condition changing unit 18 shifts so that the shift conditions for executing the first shift are less likely to be satisfied. change the conditions.

For example, the condition changing unit 18 determines that the second condition is satisfied when the number of success determinations for a predetermined shift is equal to or greater than the second predetermined number of times. The second predetermined number of times is set in advance based on, for example, a general success rate for shifting. If the number of successful determinations is equal to or greater than the second predetermined number, it is assumed that the front derailleur TF, the rear derailleur TR, the scheduled shift destination front sprocket D1, the scheduled shift destination rear sprocket D2, and the chain D3 are less deteriorated. be. In one example, the condition changing unit 18 determines that the second condition is satisfied, for example, when the number of success determinations for the first shift is equal to or greater than a second predetermined number of times. Specifically, the condition changing unit 18 shifts so that the shift conditions for executing the first shift are more likely to be established when the number of success determinations in the success/failure determination for the first shift is equal to or greater than the second predetermined number of times. change the conditions.

As shown in FIG. 2, the shift-related device 12 further includes a storage unit 20 that stores information. Storage unit 20 includes a nonvolatile memory and a volatile memory. The storage unit 20 stores, for example, various programs for control, preset information, and the like. In one example, the storage unit 20 stores information regarding various conditions including gear shift conditions.

The shift-related device 12 further includes a notification unit 22 that notifies notification information according to the determination result of the determination unit 14 . In one example, the notification unit 22 notifies the notification information if the result of the success/failure determination regarding the shift of the transmission T mounted on the human-powered vehicle A is a failure determination. The notification information includes at least one of first notification information, second notification information, and third notification information. In this embodiment, the control unit 16 causes the notification unit 22 to notify at least one of the first notification information, the second notification information, and the third notification information according to the determination result of the determination unit 14 .

The first notification information includes information regarding failure determination in success/failure determination. In one example, the first notification information includes at least one of information regarding the number of failure determinations for each predetermined shift and information regarding the frequency of failure determinations for each predetermined shift. The second notification information includes information regarding success determination in success/failure determination. In one example, the second notification information includes at least one of information about the number of success determinations for each predetermined shift and information about the frequency of success determinations for each predetermined shift. The third notification information includes information on maintenance of the human-powered vehicle A. In one example, the third notification information includes information regarding maintenance of at least one of transmission T, front sprocket D1, rear sprocket D2, and chain D3.

The notification unit 22 outputs notification information using at least one of light, sound, and vibration. Notification unit 22 includes at least one of light emitting element 22A, display 22B, speaker 22C, and vibration element 22D. 22 A of light emitting elements output various information information by a lighting pattern, for example. An example of the light emitting element 22A is an LED (Light Emitting Diode) lamp. The display 22B outputs various notification information by displaying characters, numbers, symbols, patterns, images, icons, and the like. The speaker 22C outputs various notification information by means of, for example, voice, melody, and beep sound. The vibrating element 22D outputs various types of information according to, for example, vibration patterns.

An example of control executed by the shift-related device 12 will be described with reference to FIG. 4 .
The shift-related device 12 executes the following control every time the transmission T is controlled according to, for example, shift conditions. The determination unit 14 acquires predetermined information in step S11. Specifically, the determination unit 14 receives predetermined information from the detection device DD. In step S12, the determination unit 14 performs success/failure determination based on predetermined information. In step S<b>13 , the control unit 16 causes the notification unit 22 to notify the notification information according to the determination result of the determination unit 14 .

In step S14, the condition changing unit 18 determines whether or not the first condition is satisfied in the success/failure determination. When the condition changing unit 18 determines in step S14 that the first condition is satisfied in the success/failure determination, the process proceeds to step S15. In step S15, the condition changing unit 18 changes the shift condition so that the shift condition is less likely to be established. On the other hand, when the condition changing unit 18 determines in step S14 that the first condition is not satisfied in the success/failure determination, the process proceeds to step S16.

In step S16, the condition changing unit 18 determines whether or not the second condition is satisfied in the success/failure determination. If the condition changing unit 18 determines in step S16 that the second condition is not satisfied in the success/failure determination, it ends this process. Specifically, when the condition changing unit 18 determines that the first condition and the second condition are not satisfied in the success/failure determination, the condition changing unit 18 maintains the shift condition. On the other hand, when the condition changing unit 18 determines in step S16 that the second condition is satisfied in the success/failure determination, the process proceeds to step S17. In step S17, the condition changing unit 18 changes the shift conditions so that the shift conditions are more likely to be established. After the above processing, the processing of steps S11 to S17 is completed.

(Second embodiment)
A transmission system 30 of the second embodiment will be described with reference to FIGS. 5 and 6. FIG. The same reference numerals as in the first embodiment are assigned to the configurations that are common to the first embodiment, and overlapping descriptions are omitted.

As shown in FIG. 5, the transmission system 30 includes a transmission-related device 32 and a transmission T. As shown in FIG. The transmission system 30 is driven by electric power supplied from the battery BT, for example. The shift-related device 32 includes a control unit 34 that executes processing related to the transmission T according to the shift history regarding the shift of the transmission T mounted on the manpower-driven vehicle A. The control unit 34 is a CPU or MPU. The control unit 34 automatically controls the transmission T according to the shift conditions, like the control unit 16 of the first embodiment. The shift-related device 32 further includes at least one of the determination unit 14, the condition change unit 18, the storage unit 20, and the notification unit 22, for example. In this embodiment, the shift-related device 32 includes a control section 34 , a determination section 14 , a storage section 20 and a notification section 22 .

The shift history includes information on at least one of the number of shifts of the transmission T, cadence, torque acting on the crank C of the human-powered vehicle A, vehicle speed, acceleration, and power. The number of shifts of the transmission T includes information on the number of shifts for each predetermined shift. In an example in which the number of shifts of the transmission T is applied as the shift history, a sensor for detecting the number of shifts of the transmission T is included in the detection device DD (not shown). The control unit 34 receives the shift history from at least one of the manpowered vehicle component CO and the external device ED. In this embodiment, the control unit 34 receives the shift history from the detection device DD included in the component CO for manpowered vehicle.

The control unit 34 causes the notification unit 22 to output notification information according to the shift history. The notification information includes at least one of success/failure determination information on gear shifting, information on maintenance of the manpowered vehicle A, and information on gear set. The success/failure determination information includes information about the determination result of the determination unit 14 . The determination unit 14 performs success/failure determination based on predetermined information included in the shift history, for example. In one example, the success/failure determination information includes at least one of information regarding success determination in success/failure determination and information regarding failure determination in success/failure determination. The information on maintenance includes, for example, information on maintenance of at least one of transmission T, front sprocket D1, rear sprocket D2, and chain D3. The information about the shift gear set includes one front derailleur TF among a plurality of front derailleurs TF having one or a plurality of gear stages and having at least one different gear ratio corresponding to each gear stage, and a plurality of gear stages. and includes information about a combination with one rear derailleur TR among a plurality of rear derailleurs TR with at least one different gear ratio corresponding to each shift stage. The information about the gear set may include only information about one of the front derailleur TF and the rear derailleur TR.

The control unit 34 causes the notification unit 22 to output notification information including information regarding the gear shift gear set according to the number of times the transmission T shifts. In one example, the control unit 34 causes the notification unit 22 to output information related to the shift gear set according to the user riding in the human-powered vehicle A according to the number of shifts of the transmission T. FIG. Specifically, the control unit 34 adjusts the gear ratios included in the gear ratio region defined by the gear ratios corresponding to the frequently used gear stages in a plurality of gear stages according to the number of gear shifts of the transmission T. The notification unit 22 is caused to output information about the feasible gear shift gear set. The gear ratio region includes a gear ratio corresponding to a frequently used gear stage and a gear ratio close to that gear ratio.

The control unit 34 changes the shift condition for realizing the shift according to the shift history. In one example, the control unit 34 changes the threshold TH that defines the shift condition according to the shift history. For example, when the shift history satisfies the third condition, the control unit 34 changes the shift condition so that the shift condition is less likely to be satisfied. For example, when the shift history satisfies the fourth condition, the control unit 34 changes the shift condition so that the shift condition is more likely to be established. In this embodiment, the control unit 34 changes the shift conditions according to the number of times the transmission T shifts. The control unit 34 changes the shift condition for executing the first shift according to the number of shifts of the first shift, which is the shift from the first shift stage to the second shift stage.

The control unit 34 determines that the third condition is satisfied, for example, when the number of shifts of the predetermined shift is equal to or greater than the third predetermined number of times. The third predetermined number of times is set in advance, for example, based on the relationship between the number of shifts of predetermined shifts and a general rate of failure regarding shifts. If the predetermined number of shifts is greater than or equal to the third predetermined number of times, it is assumed that the rate of failure in shifting will increase. That is, when the predetermined number of shifts is equal to or greater than the third predetermined number of times, the degree of deterioration of at least one of the front derailleur TF, the rear derailleur TR, the scheduled shift destination front sprocket D1, the scheduled shift destination rear sprocket D2, and the chain D3. is assumed to be high. In one example, the control unit 34 determines that the third condition is satisfied when the number of shifts in the first shift is equal to or greater than a third predetermined number of times. Specifically, when the number of shifts in the first shift is equal to or greater than the third predetermined number of times, the control unit 34 changes the shift conditions so that the shift conditions for realizing the first shift are less likely to be established.

For example, when the predetermined number of shifts is less than the fourth predetermined number, the control unit 34 determines that the fourth condition is satisfied. The fourth predetermined number of times is set in advance, for example, based on the relationship between the predetermined number of shifts and the general success rate of the shift. If the predetermined number of shifts is less than the fourth predetermined number of times, it is assumed that the shift success rate is high. That is, when the number of shifts in the predetermined shift is less than the fourth predetermined number, the degree of deterioration of the front derailleur TF, the rear derailleur TR, the scheduled shift destination front sprocket D1, the scheduled shift destination rear sprocket D2, and the chain D3 is low. is assumed. In one example, the control unit 34 determines that the fourth condition is satisfied when the number of shifts in the first shift is less than the fourth predetermined number of times. Specifically, when the number of shifts in the first shift is less than the fourth predetermined number of times, the control unit 34 changes the shift conditions so that the shift conditions for executing the first shift are more likely to be established.

An example of control executed by the shift-related device 32 will be described with reference to FIG. 6 .
In step S21, the control unit 34 acquires the shift history. Specifically, the control unit 34 receives the shift history from the detection device DD. In step S22, the control unit 34 notifies the notification information according to the shift history. In step S23, the control unit 34 determines whether or not the shift history satisfies the third condition. When the control unit 34 determines in step S23 that the shift history satisfies the third condition, the process proceeds to step S24. In step S24, the control unit 34 changes the shift conditions so that the shift conditions are less likely to be satisfied. On the other hand, when the control unit 34 determines in step S23 that the shift history does not satisfy the third condition, the process proceeds to step S25.

In step S25, the control unit 34 determines whether or not the shift history satisfies the fourth condition. If the controller 34 determines in step S25 that the shift history does not satisfy the fourth condition, it ends this process. Specifically, when the control unit 34 determines that the shift history does not satisfy the third condition and the fourth condition, the shift condition is maintained. On the other hand, when the controller 34 determines in step S25 that the shift history satisfies the fourth condition, the process proceeds to step S26. In step S26, the control unit 34 changes the shift conditions so that the shift conditions are more likely to be satisfied. After the above processing, the processing of steps S21 to S26 is completed. The control unit 34 repeats the processing of steps S21 to S26, for example, at predetermined time intervals.

(Modification)
The descriptions of the respective embodiments above are examples of possible forms of the shift-related device and the shift system according to the present invention, and are not intended to limit the forms. A shift-related device and a shift system according to the present invention can take, for example, modifications of the above-described embodiments shown below, and combinations of at least two mutually consistent modifications. In the modifications below, the same reference numerals as in each embodiment are given to the parts that are common to each embodiment, and the description thereof will be omitted.

- The control contents of the shift-related device 12 of the first embodiment can be arbitrarily changed. In the first example, the shift-related device 12 executes control omitting the process of step S13 in the process shown in FIG. In the second example, the shift-related device 12 executes the control omitting the processing of steps S14 to S17 in the processing shown in FIG. The transmission system 10 may omit components corresponding to the omitted controls in the first and second examples.

- The control content of the condition change part 18 of 1st Embodiment can be changed arbitrarily. In the first example, the condition changing unit 18 changes the shift condition so that the shift condition is more likely to be satisfied when the first condition is satisfied in the success/failure determination. That is, when the number of failure determinations in the success/failure determination for a predetermined shift is equal to or greater than the first predetermined number, the condition changing unit 18 changes the shift condition so that the shift condition is more likely to be satisfied. In the second example, the condition changing unit 18 changes the shift condition so that the shift condition is less likely to be satisfied when the second condition is satisfied in the success/failure determination. That is, when the number of success determinations in the success/failure determination for the predetermined shift is equal to or greater than the second predetermined number, the condition changing unit 18 changes the shift condition so that the shift condition is less likely to be satisfied.

- The control contents of the shift-related device 32 of the second embodiment can be arbitrarily changed. In the first example, the shift-related device 32 executes control omitting the process of step S22 in the process shown in FIG. In the second example, the shift-related device 32 executes control omitting the processing of steps S23 to S26 in the processing shown in FIG. The transmission system 30 may omit components corresponding to the omitted controls in the first and second examples.

- The control content of the control part 34 of 2nd Embodiment can be changed arbitrarily. In the first example, when the shift history satisfies the third condition, the control unit 34 changes the shift condition so that the shift condition is more likely to be satisfied. That is, when the predetermined number of shifts is equal to or greater than the third predetermined number of times, the control unit 34 changes the shift condition so that the shift condition is more likely to be satisfied. In the second example, when the shift history satisfies the fourth condition, the control unit 34 changes the shift condition so that the shift condition is less likely to be satisfied. That is, when the predetermined number of shifts is less than the fourth predetermined number, the control unit 34 changes the shift condition so that the shift condition is less likely to be satisfied.

- The type of human-powered vehicle A can be changed arbitrarily. In a first example, human powered vehicle A is a road bike, mountain bike, cross bike, city cycle, cargo bike or recumbent. In a second example, manpowered vehicle A is a kick scooter.

DESCRIPTION OF SYMBOLS 10... Shift system, 12... Shift-related apparatus, 14... Determination part, 18... Condition change part, 20... Storage part, 22... Notification part, 22A... Light emitting element, 22B... Display, 22C... Speaker, 22D... Vibration element, 30... gear shift system, 32... gear shift-related device, 34... control unit, A... human-powered vehicle, C... crank, CO... component for human-powered vehicle, ED... external device, T... transmission, TH... threshold value.

Claims (24)

A determination unit that performs success/failure determination regarding shifting of a transmission mounted on a human-powered vehicle,
The success/failure determination is to determine either a success determination indicating that the shift of the transmission has succeeded, or a failure determination indicating that the shift of the transmission has failed,
The determination unit executes the success/failure determination based on predetermined information,
The predetermined information includes vehicle information related to the human-powered vehicle,
The vehicle information includes running information about the running state of the human-powered vehicle,
The shift-related device, wherein the determination unit executes the success/failure determination based on a shift shock . 2. The shift-related device according to claim 1 , further comprising a condition changing unit that changes shift conditions for executing said shift according to a determination result of said determining unit. A determination unit that performs success/failure determination regarding shifting of a transmission mounted on a human-powered vehicle,
The success/failure determination is to determine either a success determination indicating that the shift of the transmission has succeeded, or a failure determination indicating that the shift of the transmission has failed,
The determination unit executes the success/failure determination based on predetermined information,
The predetermined information includes vehicle information related to the human-powered vehicle,
The vehicle information includes running information about the running state of the human-powered vehicle,
A shift -related device, further comprising a condition changing unit that changes a shift condition for executing the shift according to a determination result of the determining unit . 4. The shift-related device according to claim 3, wherein said determination unit executes said success/failure determination based on a shift shock. 5. The shift-related device according to any one of claims 2 to 4 , wherein said condition changing unit changes said shift condition according to at least one number of said success/failure determinations. The transmission has at least a first gear stage and a second gear stage,
The condition changing unit performs the gear shift for executing the first gear shift according to at least one number of times of the success/failure determination for the first gear shift, which is the gear shift from the first gear stage to the second gear stage. 6. The shift-related device according to claim 5 , which changes conditions. The condition changing unit adjusts the shift condition so that the shift condition for executing the first shift is less likely to be satisfied when the number of failure determinations in the success/failure determination for the first shift is equal to or greater than a first predetermined number of times. 7. The shift-related device according to claim 6 , which changes conditions. The condition changing unit adjusts the shift condition so that the shift conditions for executing the first shift are likely to be satisfied when the number of success determinations in the success/fail determination for the first shift is equal to or greater than a second predetermined number of times. 7. The shift-related device according to claim 6 , which changes conditions. The shift-related device according to any one of claims 1 to 8, wherein the determination unit receives the predetermined information from at least one of a component for a manpowered vehicle and an external device. 10. The shift-related apparatus according to any one of claims 1 to 9, wherein the determination unit executes the success/failure determination based on a relationship between the predetermined information before completion of the shift and the predetermined information after the completion of the shift. Device. a determination unit that determines success or failure regarding shifting of a transmission mounted on a human-powered vehicle;
The transmission has at least a first gear stage and a second gear stage,
a condition changing unit that changes a shift condition for executing the shift according to the determination result of the determining unit;
The condition changing unit
changing the shift condition so that the shift condition is less likely to be established, or changing the shift condition so that the shift condition is more likely to be established, according to the determination result of the determination unit;
changing the gear shift condition according to at least one number of times of the success/failure determination;
The condition changing unit performs the gear shift for executing the first gear shift according to at least one number of times of the success/failure determination for the first gear shift, which is the gear shift from the first gear stage to the second gear stage. change the conditions,
changing the shift condition so that the shift condition for executing the first shift is more likely to be established when the number of success determinations in the success/fail determination for the first shift is equal to or greater than a second predetermined number of times; Related equipment. The shift-related device according to any one of claims 2 to 8 and 11, wherein said condition changing unit changes a threshold value defining said shift condition according to a determination result of said determining unit. 12. The shift-related device according to claim 11 , wherein said determination section executes said success/failure determination based on predetermined information. 14. The shift-related device according to claim 13 , wherein said determination unit receives said predetermined information from at least one of a component for a manpowered vehicle and an external device. 15. The shift-related device according to claim 13 , wherein said predetermined information includes vehicle information relating to a human-powered vehicle. 16. The shift-related device according to claim 15 , wherein said vehicle information includes running information regarding a running state of said manpower-driven vehicle. 17. Shifting according to any one of claims 1 to 4 and 16 , wherein the travel information includes at least one of cadence, torque acting on the crank of the manpowered vehicle, vehicle speed, acceleration, and power. Related equipment. 18. The shift-related device according to any one of claims 1 to 17 , further comprising a notification unit that notifies notification information according to a determination result of the determination unit. 19. The shift-related device according to claim 18 , wherein said notification information includes information regarding failure determination in said success/failure determination. 20. The shift-related device according to claim 18 , wherein said notification information includes information regarding maintenance of said manpower-driven vehicle. The shift-related device according to any one of claims 18 to 20 , wherein said notification unit outputs said notification information using at least one of light, sound, and vibration. 22. The shift-related device according to claim 21 , wherein said notification unit includes at least one of a light emitting element, a display, a speaker, and a vibration element. 23. The shift-related device according to any one of claims 1 to 22 , further comprising a storage unit that stores information. A transmission-related device according to any one of claims 1 to 23 ;
a transmission system comprising: the transmission;

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