EP3497005A1 - System und verfahren zur anzeige mindestens eines leistungskennwertes - Google Patents
System und verfahren zur anzeige mindestens eines leistungskennwertesInfo
- Publication number
- EP3497005A1 EP3497005A1 EP17751394.2A EP17751394A EP3497005A1 EP 3497005 A1 EP3497005 A1 EP 3497005A1 EP 17751394 A EP17751394 A EP 17751394A EP 3497005 A1 EP3497005 A1 EP 3497005A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- vehicle
- sensor data
- data
- speed
- module
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
- B62M6/00—Rider propulsion of wheeled vehicles with additional source of power, e.g. combustion engine or electric motor
- B62M6/40—Rider propelled cycles with auxiliary electric motor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
- B62M6/00—Rider propulsion of wheeled vehicles with additional source of power, e.g. combustion engine or electric motor
- B62M6/40—Rider propelled cycles with auxiliary electric motor
- B62M6/45—Control or actuating devices therefor
- B62M6/50—Control or actuating devices therefor characterised by detectors or sensors, or arrangement thereof
Definitions
- the invention relates to a system and a method for displaying at least one power value.
- Battery-powered vehicles especially electric bicycles (so-called e-bikes), enjoy great popularity.
- Other electric vehicles have also gained a great importance in road traffic (eg electric vehicles)
- Vehicle components and / or component groups Vehicle components and / or component groups.
- a uniform solution for communication with the vehicle components is not known. This complicates the development of applications based on information provided by the vehicle components.
- the invention provides an improved system and method for displaying at least one performance characteristic.
- the invention provides an improved system and method for displaying at least one performance characteristic.
- the object is achieved by a system according to claim 1 and by a method according to claim 7.
- a vehicle in particular a bicycle, comprising:
- vehicle components eg. B. an electric motor or a Tretwellensensor, each of which is adapted to detect sensor data and to provide these, for example via a bus;
- a vehicle module comprising:
- ⁇ a memory device for storing sensor data
- an internal vehicle or module communication device configured to receive the sensor data of at least some of the plurality of
- Vehicle components in particular via the bus or wireless, z. B. via Bluetooth, to capture and store in the memory device;
- vehicle module is adapted to at least the
- inner and outer are not intended to be limiting in relation to the vehicle communication devices. They merely serve to delimit the two vehicle communication devices from one another and could be replaced, for example, by the terms “first” and “second”.
- a particular advantage of the system according to the invention is that the vehicle module of a direct communication of the mobile terminal with the components of the vehicle is interposed.
- the vehicle module thus has several functions.
- the vehicle module as a standardized - standardized interface between the mobile terminal and the
- Vehicle in particular serve individual or all components of the vehicle.
- the vehicle module makes it possible to filter existing data by filters and to correct offsets (for example, an offset error of the
- Pedal torque sensor are detected over an angle of 360 ° and corrected by an angle-dependent compensation curve).
- the data is stored and / or evaluated over a longer time so as to determine performance characteristics.
- the calculated performance characteristics can refer to sensor data that has been evaluated over a longer period of time.
- vehicle-specific parameters can be taken into account in the evaluation. Thus, much more accurate evaluations can be made than would be possible by a mobile terminal that is directly connected to the vehicle components. The performance characteristics are thus more precise and, if necessary, more meaningful.
- a wireless communication for example via Bluetooth or Wi-Fi
- the establishment and maintenance of a corresponding communication are relatively complex on the part of the mobile terminal.
- the running time of the mobile terminal can therefore be severely limited by maintaining a corresponding wireless communication.
- the vehicle module according to the invention makes it possible to buffer data, so that there is no need for continuous communication between the mobile terminal and the vehicle module.
- a query The data may be provided by the terminal at longer intervals, such as in 20 second or 30 second intervals. At least some of the information obtained, for example an average speed or a level of a battery, can be transmitted less frequently. Furthermore, already evaluated performance characteristics can be transmitted. That is, the data to be transmitted or sensor data can be due to the
- corresponding radio links are limited in terms of their bandwidth and interference, so that a (pre) evaluation and (pre-) suppression by the vehicle module has the further advantage that very precise performance characteristics are determined in real time and ultimately displayed on the mobile device can.
- the system according to the invention is used to display performance characteristics relating to the sportiness or fitness level of the user of the vehicle.
- the service provided by the user can be determined and displayed on the mobile terminal.
- At least some of the plurality of components communicate with a controller of the vehicle via a bus.
- This control may be an electronic control unit (ECU).
- ECU electronice control unit
- the inner module or vehicle communication device is connected to the bus.
- the inner module or vehicle communication device can be an active or a passive (CAN bus) interface, which simply evaluates the available data. As such, it is not necessary to connect the vehicle module to each individual component of the plurality of vehicle components.
- the computing unit of the vehicle module is configured to actively receive data from the controller and / or individual
- the vehicle module can collect data as needed. In a preferred embodiment takes place however, a continuous collection of data, for example, at given time intervals and / or whenever new data is available on the bus.
- the bus is a CAN bus.
- the vehicle module comprises at least one
- This storage device is used to (raw)
- the calculated performance characteristics can be stored.
- a plurality of sensor data and / or performance characteristics are stored over time.
- pairs of data may be stored, each including the value and a timestamp.
- all data of the sensors and / or the CAN bus data can be collected.
- data of an electric motor and / or a battery can be collected.
- an evaluation and storage of these data takes place.
- the storage can serve to store a continuous time sequence of the data and to gain further data from this.
- the arithmetic unit is configured to determine a communication link to the mobile terminal depending on the existence or non-existence
- the period of time for which certain sensor data are stored may depend on whether the respective data has already been received by the mobile terminal.
- the vehicle module may be configured to evaluate sensor data.
- An evaluation of the data may include:
- Sampling frequency eg, CAN data, analog signals
- Intelligent evaluation algorithms for refinement of the signals eg
- Storing the data may include in one embodiment:
- Driving time (maximum one hour), preferably for less than 10 minutes;
- the mobile terminal may be a tablet, a smartphone or a fitness watch.
- the vehicle includes a frame with a
- the vehicle module is at least partially disposed in the cavity.
- the vehicle module is disposed within a watertight housing.
- the arithmetic unit can process instructions that cause the arithmetic unit to calculate average values from the stored sensor data and store them in a memory device.
- the sensor data is stored over a given time period in association with time information.
- the vehicle may include sensors for detecting power consumption of the vehicle
- the sensor data may indicate a power consumption of the electric motor, a speed, and / or a state of charge of the battery.
- the arithmetic unit can be designed or by appropriate
- Instructions are caused to calculate one or more performance characteristics based on some or more of these data.
- the computing unit is configured to determine a range of the vehicle based on a calculated average speed, the state of charge of the battery, and a calculated average power consumption.
- the claim performance characteristic value can therefore not only indicate performance data of the user, but also performance data that relate to the vehicle and / or individual vehicle components.
- Range prediction can be made than with conventional
- the vehicle module includes an analog-to-digital converter for determining sensor data.
- sensor data in addition to the data that is provided on the bus, sensor data can be obtained directly.
- the vehicle module includes a
- Position determining device for determining a position of the vehicle.
- a corresponding position determination device can be a GPS or GNSS module.
- the arithmetic unit may be designed to determine a driving route based on a specific position of the vehicle and a destination position and to carry out the determination of the range of the vehicle using topographical information of the driving route.
- the predicted range of the vehicle can be further improved by the inclusion of (accurate) information about the route.
- a corresponding improvement of the range prediction can be made on the side of the vehicle module and / or on the side of the mobile terminal.
- a corresponding improvement of the range prediction is also possible with a vehicle module that does not have a corresponding
- Position determining device comprises.
- Position determination device on the side of the mobile terminal done.
- the positions detected by the mobile terminal and possibly obtained route information can also be transmitted from the mobile terminal to the vehicle module.
- the door shaft sensor may include: a rotation detecting device that may be configured to detect a rotation of a trough shaft; a Tretwellen communication device that may be configured to Tretwellen temperament, in particular a rotational speed of Tretwelle, preferably wireless, z. B. by means of Bluetooth, preferably to the inner Modultial. Vehicle communication device.
- An advantage of the disclosed door sensor is that wireless data can be sent to connected devices, such as the interior module or vehicle communication device.
- connected devices such as the interior module or vehicle communication device.
- the internal vehicle communication device of the described system may be designed for wireless communication, so that a communication with the Tretwellensensor z. B. via Bluetooth or via a wireless network (WLAN) is possible.
- WLAN wireless network
- a torque sensor may be provided that may be configured to detect a torque applied to the trough shaft and to deliver it as part of the trough pattern data to the treadmill communication device.
- the door shaft sensor may comprise an energy store for supplying electrical power to the door shaft sensor.
- one or more battery cells in particular a
- the energy store can be designed to supply the rotation detection device permanently with electrical energy, and / or to supply the Tretwellen communication device with energy in dependence on a state that is indicated by an activity signal.
- the power supply is selectively controlled based on the activity signal.
- z. B. the Tretwellen communication device are turned off when it is not needed.
- the rotation detection device it is possible, in particular, for the rotation detection device to collect Tretwell data and for the collected data to be sent bundled. This is much more efficient in terms of the electrical energy to be applied than to send each date individually. Thus, a significant amount of energy saved, which in mobile
- the door shaft sensor may comprise a module, in particular a mechanical or electrical component, in particular an intertial sensor, which may be designed to move, in particular the inertial sensor, via a switch, in particular a transistor
- the sleep state may indicate that the Tretwellen communication device and / or the torque sensor is not supplied with electrical energy
- the active state may indicate that the torque sensor and / or the Tretwellen communication device is supplied with electrical energy /become.
- the rotation detection means may be adapted to emit a rotation signal, wherein the rotation signal may be formed as a rectangular signal and per revolution of the Tretwelle a predetermined number, for. B. 64, 32, 16, 8, 4, 2 or 1, of rising and / or falling
- Flanks (231, 232) may have.
- the door shaft sensor may comprise a Tretwellen computation unit, which may be designed using the rotation signal, in particular using a measured number of rising and / or falling edges of the rotation signal and / or under
- the rotation detection device can emit a rotational signal.
- the speed can then be determined by simple means from the number of measured edges.
- a time measurement can be performed, which measures the time duration, how long it takes until the
- predetermined number of rising and / or falling edges are measured. For example, in the measurement of 128 rising edges within one second, it can be concluded that when 64 rising edges indicate one revolution of the trough shaft, the trough shaft rotates at two revolutions per second.
- the Tretwellen computing unit may be configured to calculate the Tretwellen loftteil upon detection of a, in particular rising, edge of the rotation signal.
- the measurement of the Tretwellenburniere can be performed at each rising edge of the rotation signal. This is always the most up-to-date values.
- the Tretwellen computation unit may be configured to actuate the switch to set the activity signal to sleep when the rotation detection means is in a predetermined state
- Time interval in particular less than or equal to 1 minute, less than or equal to 30 seconds, less than or equal to 20 seconds or less than or equal to 10 seconds, no rotation of the tread shaft recorded.
- the embodiment described represents a further possibility to significantly reduce the energy consumption of a Tretwellensensors. If no rotation of the trough shaft is detected within a certain time interval, e.g. B. when a vehicle is, then the unnecessary components of the
- Tretwellensensors switched off by setting the sleep state. As a result, a significantly longer duration of the Tretwellensensors can be achieved.
- the switch may be configured to
- the activity signal can be set to the active state.
- the setting is advantageously in the
- the active state is set only after the Tretwelle rotates for a predetermined time, for. B. a time less than or equal to 10 seconds, less than or equal to 5 seconds, less than or equal to 2 seconds equal to 1 second.
- the Tretwellensensor is not already activated by short movements of the vehicle "full".
- the torque sensor may be configured to detect a torque cyclically, in particular every 100 ms and / or the
- Tretwellen communication device may be configured to the
- Tretwellen Scheme cyclically, in particular every 100ms, preferably in time dependence on the detection of torque, z. B. with a predetermined time interval from the measurement of torque to send.
- Tretwellensensor is claimed individually and in combination with the system for displaying at least one performance characteristic.
- the combination with the described system for displaying at least one performance characteristic has a number of advantages, as described above.
- Another aspect of the invention relates to a data acquisition device, in particular for a system as described above.
- a data acquisition device may include: a data reader that may be configured to acquire vehicle data; a data communication device that may be configured
- Vehicle data in particular a speed of Tretwelle, preferably wireless, z. B. by means of Bluetooth, preferably to an inner module communication device.
- This vehicle data can be connected wirelessly to
- the data reading device may be configured to generate vehicle data from a vehicle bus, in particular a CAN bus,
- Bus systems are commonly used in vehicles to distribute readings from a variety of sensors to ECUs over a shared transport medium. For the driver of the vehicle, these data contain valuable
- the data acquisition device comprises a
- Energy storage especially a battery, eg. B. a button cell, for supplying the data-reading device and the data-communication device with electrical energy, wherein the energy storage can be configured to the data-reading device and / or the data-communication device in
- a predetermined time interval in particular 100ms, 150ms, 200ms, or greater 300ms, and / or depending on a state which is indicated by an activity signal to energize.
- the data acquisition device comprises a
- Block in particular a mechanical or electrical component, in particular an intertial sensor, which may be designed to emit during a movement, in particular of the interference sensor, via a switch, in particular a transistor, the activity signal and between a
- Sleep state and an active state wherein the sleep state may indicate that the data reading device and / or the data communication device is not being supplied with electrical energy, and the active state may indicate that the data reading device and / or the data Communication device is supplied with electrical energy / are.
- Data acquisition device is claimed individually and in combination with the system for displaying at least one performance characteristic.
- the combination with the described system for displaying at least one performance characteristic has a number of advantages, as described above.
- the object mentioned at the outset is also achieved by a method for calculating at least one performance characteristic of a vehicle.
- the method may include the following steps: Detecting sensor data by a plurality of components of the vehicle;
- the method can be implemented by the arithmetic unit already described. There are similar advantages, as these device side have already been explained.
- Calculate a range of the vehicle include. This range can also take place taking into account a calculated average speed, a state of charge of a battery and / or a calculated average power consumption.
- the performance score may be determined on the side of the mobile terminal or within the vehicle module.
- the vehicle module according to the invention calculates at least the average speed and the average
- the method includes storing a
- Drag coefficients to calculate the total vehicle drag.
- the object mentioned at the outset is furthermore achieved by a computer-readable storage medium which contains instructions which cause at least one processor to adopt the method already described
- this vehicle module is used in a vehicle, such as a vehicle, as previously described.
- the corresponding vehicle module may include some or all of the features described with respect to the vehicle module in the system.
- the vehicle module includes the following features:
- a memory device for storing sensor data
- an inner module or vehicle communication device which is designed to receive sensor data, in particular via a BUS, and to store it in the memory device;
- a computing unit configured to calculate at least one performance characteristic of the vehicle using the stored sensor data
- vehicle module is configured to communicate the stored sensor data and the performance score to a mobile terminal using the exterior vehicle communication device.
- Offset detection in particular angle-dependent offset correction, and by intelligent evaluation algorithms, eg. B. by evaluating the measured road resistance equation and the performance data or the
- the collected sensor data and / or performance characteristics obtained can be used very differently. Some examples are listed below:
- Fig. 1 a battery-powered bicycle (e-bike) with one
- Fig. 3 is a schematic representation of the drive of the vehicle according to
- Fig. 4 is a schematic representation of individual components
- Fig. 6 is an exemplary map for speed-dependent
- FIG. Figure 7 is a schematic representation of a Tretwellensensors
- Fig. 8 is an illustration of an activity signal
- Fig. 9 is an illustration of a rotation signal
- 10 is an illustration of a cyclic measurement of a torque
- Fig. 11 is a state diagram showing the states of the system in a
- Embodiment shows
- Fig. 12 is a state diagram showing the states of the system in another embodiment.
- Fig. 1 shows a bicycle 1 with an electric drive 60.
- the bicycle 1 has wheels, in particular a rear wheel 2 and a removable attached to the bicycle 1 mobile terminal 10.
- the mobile terminal 10 may be, for example, a smartphone.
- the bicycle 1 is battery-powered and thus has a drive 60.
- a vehicle module 40 picks up sensor data from a vehicle bus 61 of the drive 60.
- the vehicle module 40 may store and / or further process this sensor data in order to obtain performance characteristics of the user and / or the bicycle 1.
- These sensor data and / or performance characteristics can be transmitted to the mobile terminal 10 via a wireless communication link.
- the mobile terminal 10 can make a further evaluation of the sensor data and / or the performance characteristics.
- the mobile terminal 10 has a display 16 for displaying some or all of the performance characteristics and / or sensor data.
- this data is transmitted to a server 100 for permanent storage and / or further evaluation.
- the data thus obtained can be used privately or commercially.
- the mobile terminal can use a cellular network, for example a mobile radio network.
- the mobile terminal 10 may be configured to receive sensor data from
- Third party devices such as a pulse sensor 20 to receive.
- the reception of these sensor data can also be wireless, for example via Bluetooth.
- the communication between the mobile terminal 10 and the vehicle module 40 is wirelessly via Bluetooth.
- the vehicle module 40 As shown in Fig. 4, a Bluetooth device 41.
- a CAN bus interface 42 For a wired communication with the drive 60, as shown in Fig. 4, a CAN bus interface 42 may be provided.
- the bicycle 1 has a schematically illustrated Tretwelle 65 with pedals, which have a transmission with translation z. B. is connected via a gear pair, or a chain or a belt and two pinions with a gear shaft 66.
- the pinion and belt form a first gear 67 that translates the rotational motion of the tread shaft 65 into the quick.
- One or two Tretwellen sensors 69 (preferably in an assembly
- Speed N T w and torque n T w are preferably determined without contact by evaluating the magnetic field of a magnetic portion of the Tretwelle 65.
- the Tretwelle 65 may be magnetized in the field of Tretwellensensoren 69.
- An electric motor 68 with control 62 is also connected to the transmission shaft 66 via a second transmission 67 '.
- the transmission shaft 66 is about a third
- Gear 67 is connected to the rear wheel 2.
- the electric motor 68 is powered by a battery 63.
- the controller 62 detects battery current ibat and its state of charge SOC. By means of a suitable sensor system, the controller 62 detects the engine speed n M and the phase current i P h of the electric motor 68.
- all of this sensor data is communicated via a vehicle bus 61.
- the vehicle module 40 is connected to this vehicle bus 61.
- Sensor signals in particular the speed sensor
- Pedal pedal torque, pedaling frequency should only be refined (for example, by offset correction or evaluation algorithms). This is sufficient for the fitness APP because human performance is sufficient for evaluation.
- the complexity and cost of the vehicle module can be reduced for the specific fitness application by eliminating the need for a CAN transceiver in the vehicle module.
- This vehicle module 40 comprises, in addition to the Bluetooth device 41 and the CAN bus interface 42, a computing unit 45 and a memory 44. Furthermore, an analog-to-digital converter 43 can be provided, which provides further sensor data. Corresponding sensor data can indicate, for example, an acceleration of the bicycle 1.
- Performance characteristics such as a user (Plansch), the battery 32 (Prud), the drive 60 (PA drive) to calculate and transmit to the terminal 10.
- a further evaluation takes place, for example taking into account the vehicle speed (V F ZG), SO such that further performance characteristics can be determined:
- the server 100 may use a learning algorithm by means of which the efficiency of the vehicle in real operation is determined on the basis of the data of the vehicle module 40. On the server 100 additional data from
- Map material eg Open Street Maps, evaluated, by means of which in particular the type of travel, but also the route height profile can be determined. These data are used to calculate the rolling resistance coefficient (f (travel type)) and the
- Air resistance coefficient cWA to determine empirically. This determination can be made either by the server 100 or by the vehicle module 40.
- the vehicle module 40 collects in real
- Driving data to determine the driving resistance This data collection is preferably determined at approximately zero slope, z. B. when rolling on the plane with the engine stopped and no human intervention on the pedal pedals.
- the vehicle module 40 preferably receives sensor data from a gradient measuring sensor which is either connected directly to the analog-to-digital converter 43 or to the vehicle bus 61 or detected by the mobile terminal and to the vehicle module 40 via the Bluetooth device 41 is transmitted.
- the measurement can also be performed on gradients
- mFZG + m Zuladunß is solvable.
- Vehicle weight and payload ie driver weight
- the actual velocity curve v is calculated with the
- Speed course, z. B. solved numerically, in which he and cw on the basis of the least deviation of the calculated speed profile determined by the actual speed curve.
- various tests are made in different situations by the vehicle module 40.
- a first test may first be performed on asphalt at different launch speeds up to a final speed, preferably not zero, but ending at about 5-10 km / h.
- the measurements on other floor coverings can be extended (eg gravel road, grass, forest road).
- specific friction coefficients are determined for the road surface and the cwA value from the asphalt measurement is used. This is beneficial as the
- Measurement accuracy of the cW value at higher speeds on asphalt is highest and therefore can be determined there most accurately.
- Vehicle module 40 can with the existing sensors and by a
- Recourse to a position determining device determine when which test should be performed.
- the vehicle module 40 can determine the efficiency of the drive system as a function of the switching state of a shiftable transmission.
- Driving resistance performance is as stated above preferably determined at a flat road and at a constant speed
- the switching state for the determination of an accurate real efficiency map of great importance.
- the switching state can be calculated from the ratio of the vehicle speed and the engine speed when driving through the
- Electric motor and / or from the ratio of the vehicle speed and the cadence when driven by humans in operation are determined.
- This can be dispensed with a sensor with which the gear position is determined. This is particularly useful in continuously variable transmissions, since there the
- Translation spread can scatter due to manufacturing tolerances and a sensor is very complex. For this purpose, it must only be plausibilized whether the intervention by the human / motor is safe. This can be safely checked by a minimum torque threshold for the motor or pedal torque. This can ensure that an operating condition without
- This efficiency map may be used for training purposes (eg, setting engine assistance at a desired speed for a desired horsepower) and accurately predicting range based on the determined average human horsepower that experience has shown to be changing in operation.
- the data can be used for benchmarking various e-bikes and used by the manufacturer of e-bikes for optimization purposes.
- This data has a significant value because it can be used to optimize the battery size and thus the relevant cost driver of the vehicle and the weight of the vehicle.
- the vehicle module 40 performs a torque or power calculation of the person in which only the specification of the cadence is required during operation. This method makes it possible to increase the accuracy and simplify the pedal sensor or only use the torque measurement on a pedal side.
- the accuracy can be increased by filtering out disturbances from the sensor signal by filtering and a mean offset of the
- Torsional torque sensor is corrected by 360 ° or the angle-dependent offset determined and corrected by means of a compensation curve of the offset angle-dependent.
- Measuring wave can be effectively compensated.
- Electric motor or reverse rotation of the pedal required. This can be learned in operation, e.g. in the case of journeys without participation or participation without counter-torque of the vehicle (for example, by gently pedaling 360 ° at the
- the compensation curve can be adjusted to the cadence.
- the information is used to regulate or refine the engine assistance depending on the driver's input power to the pedals or to refine a control, making the pedal sensor significantly less expensive to run.
- the human driving power Pmensch is determined from the vehicle speed V F ZG at a constant cadence, using the above-described and determined driving resistance characteristic in connection with the knowledge about the electric driving force P Mo t and the transmission efficiency c.
- the driving power of humans results from the subtraction of the vehicle power PFZG and the motor drive power P mo t * G.
- the drive power must then be divided by the transmission efficiency c 2 , so that the losses of the drive from pedals to the rear wheel be taken into account.
- This method is by appropriate accurate measurement of the efficiencies of the drive, in particular the switching losses at different
- the terminal 10 performs an adaptive fitness level calculation that is possible by means of the performance characteristics provided via the vehicle module 40.
- the data include current operating data of the user (cadence, torque, power) and also vehicle data (battery power, engine power, etc.).
- Pulse rate evaluated By means of the data, a calculation of the
- the data analysis detects z. B. the time-varying fitness level, as well as data on calorie consumption, human performance, pulse rate and cadence. Here, average values as well as the temporal change (see Fitness level) can be indicated. The operator can then analyze his physical load well on different sections with different incline, route surface and speed.
- Evaluation is very well evaluable especially for operation without electric drive and strongly characterizes the load capacity of humans.
- This information can also be used well for the fitness level and health status.
- the information obtained can be adaptive
- Route prediction can be used.
- the route prediction may be performed by the terminal 10 receiving a variety of information:
- Vehicle data from the vehicle module 40 (human line or
- Fig. 7 shows a schematic representation of a Tretwellensors 200, which can be used with the system described above.
- Tretwellensensor 200 may, for. B. on the Tretwelle a bicycle, e-bikes or pedelecs be arranged.
- the Tretwellensensor 200 includes a
- Rotary detection device 201, z. B an intertial sensor that detects a rotation of the Tretwelle 65.
- the rotation detection device 201 is implemented as a Hall-effect sensor which emits a square-wave signal.
- 65 magnets are arranged with alternating polarity at the Tretwelle.
- the Hall sensor detects the change in the polarity during a rotation and generates it
- the Tretwellensensor 200 further includes a torque sensor 203.
- the torque sensor 203 is adapted to detect a torque which is applied to the Tretwelle 65 by the driver.
- the torque sensor 203 may, for. B. be implemented using strain gauges. Also, the Tretwellensensor 200 and the
- Drehl detecting device 201 may be implemented by a single component.
- the rotation detection device 201 and the torque sensor 203 are in communication with an integrated circuit 207.
- the integrated circuit 207 includes a Tretwellen arithmetic unit 206 and a Tretwellen communication device 202.
- the Tretwellen arithmetic unit 206 is configured to receive the signals of the rotation detection device 201 and the
- the Tretwellen computation unit 206 calculates the signal from the rotation detection device 201
- the power can be determined, which results from the product of the torque and the angular velocity.
- the obtained data is transmitted as Tretwell data 210 to the Tretwellen communication device 202.
- the Tretwellen communication device 202 is for a wireless
- the Tretwellen communication device 202 is designed as a Bluetooth module and therefore sends the Tretwell flowers 210 to any Bluetooth-enabled devices.
- Communication with the Tretwellen communication device 202 first requires authentication to prevent the transfer of the data to unauthorized devices.
- an energy storage 204 which is designed here as a button cell battery.
- the energy storage 204 supplies a voltage of 3V, the voltage at low battery level can drop to about 2V.
- Components 201, 202, 203, 206 of the Tretwellensensors 200 are
- the Tretwellensensor 200 Since the Tretwellensensor 200 is a battery-powered device, it is essential to optimize energy consumption. For this purpose, the Tretwellensensor 200 includes a switch 205.
- the switch 205 is presently designed as a simple transistor.
- the switch 205 controls the supply of energy from the energy store 204 to the torque sensor 203, as well as to the trough computing unit 206 and the treadmill communication unit 202.
- the rotation detection device 201 is continuously supplied with electric power. At standstill of the vehicle 1, when the turf shaft 65 is not rotating, the torque sensor 203 as well as the treadmill computing unit 206 and the treadmill communication device 202 are not supplied with electric power.
- the rotation detection device 201 detects a rotation of the trough shaft 65, the switch 205 is switched.
- the rotation detection device 201 generates an activity signal 220, which is output via the switch 205 and indicates two states.
- the sleep state Sl indicates that the connected devices 202, 203, 210 are not supplied with electrical energy.
- the active state S2 indicates that the connected devices 202, 203, 206 are supplied with electrical energy.
- the Tretwellen communication device 202, the Tretwellen computation unit 206 and the torque sensor 203 only consume energy when a measurement is meaningful, ie when the Tretwelle is moving. Thus, the energy consumption is optimized.
- a timer is provided to set the activity signal 220 from the active state S2 to the sleep state Sl. After a predetermined time, z. B. 1 minute, in which no rotation of the Tretwelle 65 through the
- Rotation detection device 201 is detected, the activity signal 220 is set by the switch 205 in the sleep state Sl, so that the Tretwellen communication device 202, the Tretwellen computing unit 206 and the torque sensor 203 are not supplied with electrical energy, whereby the energy storage 204 is spared.
- FIG. 8 is a representation of the activity signal 220. It can be seen from FIG. 8 that the duration of the active state S2 is substantially shorter than the duration of the sleep state S1. It therefore becomes clear that only for a short time, all components have to be supplied with electrical energy.
- Tretwellen computational unit 206 for a predetermined period of time, for. B. 10 seconds, stored cumulatively. Only after expiration of the predetermined
- the Tretwellen communication device 202 is activated, i. supplied with electrical energy, and the collected data is transmitted together. This can further reduce energy consumption.
- Fig. 9 shows an illustration of a rotation signal.
- the rotation signal is a rectangular signal generated by a Hall sensor.
- Tl, T2 the time intervals Tl, T2 are measured between two successive rising edges. The number of rising edges occurring per revolution of the Tretwelle 65 is assumed to be known by the hardware installed. The speed therefore results from:
- Fig. 10 shows another embodiment for measuring the torque.
- the torque is measured cyclically. The measurement of the torque therefore does not take place uninterrupted, even at an existing power supply, but only at discrete time intervals.
- 10 shows by way of example a torque measurement and the transmission of the measured Tretwell data 220.
- the torque currently applied to the Tretwelle 65 is measured.
- the Tretwell data 220 are sent by the Tretwellen communication device 202.
- the transmission is the
- Tretwell data 220 of the torque measurement downstream can be carried out.
- the torque sensor 203 is supplied with electric power.
- the torque sensor 203 is no longer supplied with electrical energy. Instead, the Tretwell communication device 202 is supplied with electrical energy for sending the Tretwell data 220.
- a small interval for the cyclic measurement of the torque is selected. For example, the measurement is performed every 100ms.
- FIG. 11 once again illustrates the states which the described system can assume.
- the system starts in the off-state ZI, indicating that only a rotation detection device 201, so z.
- the transient condition Cl indicates that it changes from the off-state ZI to the sleep state Z2 when a movement of the vehicle 1 is detected by the rotation detecting device 201.
- the sleep mode of the Tretwellen computation unit 206 is characterized in that no calculations are performed and that none
- the transition condition C2 indicates that the sleep state Z2 is changed to the off state ZI when, for a predetermined time, e.g. B. 1 sec., No Movement of the vehicle 1 by the rotation detection device 201, or an Intertialsensor has been found.
- From the sleep state Z2 is changed to an active state Z3 when the transition condition C3 is met.
- the transition condition C3 is satisfied when an edge of the rotation detection device 201 is detected.
- the Tretwellen arithmetic unit 206 is fully supplied with energy and a calculation or measurement of the current rotational speed and / or the current torque by the Tretwellen arithmetic unit 206 is carried out.
- the transition condition C4 is satisfied when the calculation of the current rotation speed and the current torque by the treadle computing unit 206 is completed. Then it is again changed from the active state Z3 to the sleep state Z2.
- For sending or providing the calculated Tretwell data 210 is cyclically in a predetermined time interval, for. B. every 100ms, changed from the sleep state Z2 to a ready state Z4.
- Transition condition C5 is thus timed and met exactly when the predetermined time interval has expired.
- the Tretwellen communication device 202 is also supplied with energy for sending the calculated torques and rotational speeds as Tretwell data 210. If the
- Tretwell data 210 are successfully sent, the transition condition C6 is met and it is changed from the ready state Z4 to the sleep state Z2.
- FIG. 12 shows a reduced state diagram which shows the provision of the torques or rotational speeds in a further exemplary embodiment.
- the off-state ZI, the transition conditions Cl, C2, C5 and the sleep state Z2 correspond to the corresponding states or
- the active state ⁇ 4 ⁇ all components of the system are fully supplied with energy.
- the calculation of the current speed or the current one Torque is performed in the embodiment of FIG. 12 in the state ⁇ 4 ⁇ .
- the calculated torque and / or the calculated speed can be sent as Tretwell data 210 via wireless communication or via a CAN bus.
- the condition C6 ' is satisfied, and it is changed from the active state Z4' to the sleep state Z2.
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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DE102016114967.5A DE102016114967A1 (de) | 2016-08-11 | 2016-08-11 | System und Verfahren zur Anzeige mindestens eines Leistungskennwertes |
PCT/EP2017/070361 WO2018029314A1 (de) | 2016-08-11 | 2017-08-10 | System und verfahren zur anzeige mindestens eines leistungskennwertes |
Publications (1)
Publication Number | Publication Date |
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EP3497005A1 true EP3497005A1 (de) | 2019-06-19 |
Family
ID=59581939
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP17751394.2A Pending EP3497005A1 (de) | 2016-08-11 | 2017-08-10 | System und verfahren zur anzeige mindestens eines leistungskennwertes |
Country Status (3)
Country | Link |
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EP (1) | EP3497005A1 (de) |
DE (1) | DE102016114967A1 (de) |
WO (1) | WO2018029314A1 (de) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102017218965B4 (de) * | 2017-10-24 | 2022-10-20 | Audi Ag | System zum Konfigurieren eines Fahrzeugs |
DE102020210682A1 (de) | 2020-08-21 | 2022-02-24 | Volkswagen Aktiengesellschaft | Verfahren zum Ausgeben von aerodynamischen Informationen in einem Fahrzeug und Fahrzeug mit einer Anzeigevorrichtung zum Ausgeben solcher Informationen |
EP4019355A1 (de) * | 2020-12-22 | 2022-06-29 | Mahle International GmbH | Elektrisches fahrrad |
DE102022207695B3 (de) | 2022-07-27 | 2023-11-09 | Zf Friedrichshafen Ag | Steuergerät für eine Zweiradflotte |
CN116215733B (zh) * | 2023-05-10 | 2023-07-21 | 苏州拓氪科技有限公司 | 电助力自行车助力控制方法和系统 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19619899A1 (de) * | 1996-05-18 | 1997-11-20 | Roger Uhrig | Fahrrad-Daten-Recorder zum Ermitteln, Auswerten, Anzeigen und Aufzeichnen von Fahrdaten und Leistungen |
US20070170688A1 (en) * | 2006-01-25 | 2007-07-26 | Watson Edward M | Real-Time Bicycle-Mounted Pedal Stroke Power Analysis System |
US20090181826A1 (en) * | 2008-01-14 | 2009-07-16 | Turner James R | Electric bicycle with personal digital assistant |
DE102010018138B4 (de) * | 2010-04-24 | 2020-01-16 | Alfred Ottowitz | Verfahren zum Betrieb eines Fahrrades mit wenigstens zwei elektrischen Antriebsmotoren und Steuereinheit |
FR2976693B1 (fr) * | 2011-06-14 | 2016-07-01 | Commissariat Energie Atomique | Procede de gestion de l'energie dans un vehicule a assistance electrique |
TW201413469A (zh) * | 2013-01-25 | 2014-04-01 | li-he Yao | 整合智慧型行動通訊裝置之電動自行車本機機電控制系統及整合雲端服務之機電控制系統 |
DE102013220514A1 (de) * | 2013-10-11 | 2015-04-16 | Robert Bosch Gmbh | Verfahren und Vorrichtung zum Bewerten von Fortbewegungsmitteln |
CN105493379A (zh) * | 2014-02-18 | 2016-04-13 | 松下知识产权经营株式会社 | 蓄电装置的控制方法、蓄电装置以及程序 |
WO2015154046A1 (en) * | 2014-04-04 | 2015-10-08 | Superpedestrian, Inc. | Systems, methods, and devices for the operation of electrically motorized vehicles |
DE102014213504B3 (de) * | 2014-07-11 | 2015-10-15 | Robert Bosch Gmbh | Motorisch und/oder mit Muskelkraft betreibbares Fahrzeug |
GB2530138B (en) * | 2014-07-16 | 2020-07-15 | Ford Global Tech Llc | Folding bicycle chain stay and frame |
FR3024428B1 (fr) * | 2014-07-30 | 2018-07-06 | Jcdecaux Sa | Velo a assistance electrique |
EP3177517A1 (de) * | 2014-08-05 | 2017-06-14 | Fallbrook Intellectual Property Company LLC | Komponenten, systeme und verfahren zur fahrradbasierten netzwerkkonnektivität und verfahren zur steuerung eines fahrrads mit netzwerkanschluss |
DE202014103740U1 (de) * | 2014-08-13 | 2014-10-30 | Rico Weise | Leistungsgesteuertes Sportgerät mit Motorunterstützung und Erweiterungskit |
AU2015308156B2 (en) * | 2014-08-26 | 2020-03-05 | 4Iiii Innovations Inc. | Adhesively coupled power-meter for measurement of force, torque, and power and associated methods |
-
2016
- 2016-08-11 DE DE102016114967.5A patent/DE102016114967A1/de not_active Withdrawn
-
2017
- 2017-08-10 WO PCT/EP2017/070361 patent/WO2018029314A1/de unknown
- 2017-08-10 EP EP17751394.2A patent/EP3497005A1/de active Pending
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DE102016114967A1 (de) | 2018-02-15 |
WO2018029314A1 (de) | 2018-02-15 |
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