Application US20200271685

METHOD AND SYSTEM FOR MEASURING PHYSICAL PARAMETERS IN A TRAMPOLINE COMPETITION
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US20200271685

1. A method for measuring physical parameters in a trampoline (10) competition, with a measuring system (1) that includes several sensor assemblies (2) arranged in different positions on a trampoline (10), the sensor assemblies (2) being independent of one another, for communication of data signals to a base station (25) of the measuring system (1), each sensor assembly (2) comprising a motion sensor (3), a processing unit (4) and means (6) for transmitting and receiving data or control signals, the data signals containing the measurements made by the motion sensor, characterized in that the method includes the steps of: (6) (5)

for a competition mode, activating each sensor assembly (2),

measuring any motion or variations in motion over time via the motion sensor (3) of each sensor assembly (2) following jumps performed by a competitor on a bed (21) of the trampoline (10),

processing one or more of the measurement signals from the motion sensor (3) in the processing unit (4), which is a microcontroller, of each sensor assembly (2), a time base of each microcontroller (4) of the sensor assemblies (2) being adapted as a result of a synchronization transmitted by the base station (25) in communication with each sensor assembly (2),

transmitting measurement signals clearly defined in time from each sensor assembly (2) to the base station (25) of the measuring system (1),

automatically determining in the base station (25) following the various measurements received over time from each sensor assembly (2), a time of flight for each of the competitor's jumps, and a position of contact of the competitor on the bed (21) in order to award points to the competitor for the execution of a determined number of jumps during the competition.

2. The measuring method according to claim 1, characterized in that each sensor assembly (2) is activated by a control signal transmitted by a transmitting antenna (13) from the base station (25) and received by an antenna (7) of the transmitting and receiving means (6) of each sensor assembly (2). (0)

3. The measuring method according to claim 1, wherein the measuring system (1) comprises at least four sensor assemblies (2) each respectively arranged at one of the four corners (11) of the bed (21) of the trampoline (10), and the processing unit, which is a microcontroller (4), characterized in that, in competition mode, each motion sensor (3) of the sensor assemblies (2) makes measurements at a defined frequency between 1 kHz and 10 kHz, preferably 2 kHz, clocked by the microcontroller (4), and in that transmission of the measurement data signals to the base station (25) occurs with every measurement made to determine in the base station (25) the time of flight of each of the competitor's jumps, and the position of contact of the competitor on the bed (21) of the trampoline (10). (3) (0)

6. The measuring method according to claim 1, characterized in that the various measurements made over time by the motion sensor (3) of each sensor assembly (2) are stored in a memory (5) connected to the processing unit (4), and in that a detection algorithm is also stored in the memory (5) or in the processing unit, which is a microcontroller (4), to detect, during the competition, whether or not the competitor is in the air during each of the competitor's jumps. (0)

8. The measuring method according to claim 1, wherein each sensor assembly (2) comprises a memory (5) for storing the motion sensor measurements, a battery (8) for the electrical supply of the electronic components of the sensor assembly (2), characterized in that each sensor assembly (2), which comprises wireless signal transmitting and receiving means (6), periodically sends a status signal, which is received by an antenna (12) of the base station and transferred to a computer (15) of the base station (25), which can recognise the status of the motion sensor (3), the battery (8) level and the memory storage space (5). (0)

9. The measuring method according to claim 1, wherein each sensor assembly (2) comprises wireless signal transmitting and receiving means (6) for receiving control signals transmitted by a transmitting antenna (13) of the base station (25), characterized in that the received control signals allow selection of a competition mode, wherein the sensor assemblies (2) and detection algorithms are activated for the competition, selection of a standby mode wherein only the motion sensors (3) of the sensor assemblies (2) and detection algorithms are deactivated, selection of a shutdown mode, wherein each sensor assembly (2) is off, and a memory erasure mode, wherein all the stored data of the sensor assemblies (2) is erased before a new competition. (0)

10. A system (1) for measuring physical parameters in a trampoline (10) competition for implementation of the measuring method according to claim 1, wherein the measuring system (1) comprises several sensor assemblies (2) arranged in different positions on a trampoline (10), the sensor assemblies (2) being independent of one another, for communication of data signals to a base station (25) of the measuring system (1), each sensor assembly (2) comprising a motion sensor (3), a processing unit (4), which is a microcontroller with a time base adapted following a synchronisation transmitted by the base station (25), and data or control signal transmitting and receiving means (6), the data signals containing the measurements made by the motion sensor (3). (3) (0)

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Application US20200271685

METHOD AND SYSTEM FOR MEASURING PHYSICAL PARAMETERS IN A TRAMPOLINE COMPETITION

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