Smart cricket bat and process of fabrication of the same

Abstract

A smart cricket bat and a process of fabrication of the same is disclosed. The cricket bat includes an electronic system includes a plurality of sensors with sensor fusion to remove bias in sensed data. The plurality of sensors measure accurate data representative of rate of change of velocity, angular speed, orientation of the smart cricket bat, pressure exerted on the smart cricket bat by a ball, a pressure exerted on the handle unit by a hand grip of the batsman during swing of the smart cricket bat and one or more audio signals. The electronic system also includes a processing unit configured to process sensed data to calculate one or more metrics associated with batting. The electronic system also includes a transceiver unit configured to transmit one or more calculated metrics to a user's computing device.

We claim: 
     
         1 . A smart cricket bat comprising:
 a blade unit;   a handle unit configured to be affixed to a top end of the blade unit;   
       characterised in that
 an electronic system mounted on the smart cricket bat on one or more positions, wherein one or more positions comprises a predesigned position in the handle unit and the blade unit, a spine of the blade unit using one or more fastening means, a centre position of the spine of the blade unit, either sides of the spine of the blade unit and embedded inside the blade unit or combination thereof, wherein the electronic system comprises:
 at least one of an accelerometer sensor, a gyroscope sensor, a magnetometer sensor, a matrix pressure sensor fabricated from textile material and a microphone with sensor fusion to remove bias in sense data,
 wherein the accelerometer sensor being configured to sense data representative of rate of change of velocity of the smart cricket bat  10  while making a shot in an instance, 
 wherein the gyroscope sensor being configured to sense data representative of angular speed of the smart cricket bat while making the shot, 
 wherein the magnetometer sensor being configured sense data representative of orientation of the smart cricket bat while making the shot, 
 wherein the matrix pressure sensor being configured to measure pressure exerted on the smart cricket bat by a ball while making the shot and measure a pressure exerted on the handle unit by a hand grip of the batsman during swing of the smart cricket bat, and 
 wherein the microphone being configured to capture one or more audio signals while making the shot; 
 
 a processing unit configured to
 process measured rate of change of velocity of the smart cricket bat, measured angular speed of the smart cricket bat, measured orientation of the smart cricket bat, measured pressure exerted on the smart cricket bat by a ball, measured pressure exerted on the handle unit by the hand grip of the batsman and captured one or more audios to calculate one or more metrics associated with batting, 
 wherein the one or more metrics comprises speed of the smart cricket bat, swing of the smart cricket bat, power index, shot efficiency, three-dimensional cricket shot simulation, type of cricketing shot, bat lifting angle and direction, time of impact of the smart cricket bat with the ball, detection of sweet spot of the smart cricket bat, and detecting whether the ball made contact with the smart cricket bat; and 
 
 a transceiver unit configured to transmit one or more calculated metrics to a user computing device for providing real time feedback to the batsman. 
 
 
     
     
         2 . The smart cricket bat as claimed in  claim 1 , wherein the predesigned position of the handle unit comprises a cavity formed at a proximal end of the handle unit, a cavity formed at one or more portions of the handle unit, and a space inside a rubber sleeve enveloping the handle unit. 
     
     
         3 . The smart cricket bat as claimed in  claim 1 , wherein the predesigned position of the blade unit comprises a cavity formed at a front side of the blade unit  20  and a cavity formed at a back side of the blade unit. 
     
     
         4 . The smart cricket bat as claimed in  claims 2  and  3 , wherein the cavity being configured to receive a casing covered with a lid, and in turn the casing being configured to house at least one of the electronic system, a battery, the processing unit and the transceiver unit. 
     
     
         5 . The smart cricket bat as claimed in  claim 1 , wherein the one or more fastening means comprises a sticker and a rubber band. 
     
     
         6 . The smart cricket bat as claimed in  claim 1 , wherein the at least one of the gyroscope sensor, the accelerometer sensor, the magnetometer sensor are micro-electro-mechanical systems. 
     
     
         7 . The smart cricket bat as claimed in  claim 1 , wherein the sensor fusion calibrates the at least one of the gyroscope sensor, the accelerometer sensor, the magnetometer sensor by way of offset cancellation thereby removes bias in sensed data, where the offset cancellation being achieved by using one of a software algorithms and built-in hardware offset registers. 
     
     
         8 . The smart cricket bat as claimed in  claim 1 , wherein the at least one of the gyroscope sensor, the accelerometer sensor, the magnetometer sensor, the microphone and the matrix pressure sensor are placed at one or more positions with respect to each other and works in synchronization with each other, wherein the one or more positions comprises a pre-defined position on the handle unit  30  or a pre-defined position on the blade unit. 
     
     
         9 . The smart cricket bat as claimed in  claim 1 , wherein the electronic system comprises a battery configured to supply power to at least one of the gyroscope sensor, the accelerometer sensor, the magnetometer sensor, the microphone, the matrix pressure sensor, the processing unit, and the transceiver unit. 
     
     
         10 . The smart cricket bat as claimed in  claim 1 , wherein the electronic system comprises a charging port configured to charge the battery when the battery power is low as indicated by a battery indicator. 
     
     
         11 . The smart cricket bat as claimed in  claim 1 , wherein the at least one of the gyroscope sensor, the accelerometer sensor, the magnetometer sensor, the microphone and the matrix pressure sensor being covered by a lid, thereby enabling easy removal and replacement of one of the gyroscope sensor, the accelerometer sensor, the magnetometer sensor, the microphone, the matrix pressure sensor, and a battery. 
     
     
         12 . The smart cricket bat as claimed in  claim 1 , wherein the predesigned position in the handle unit and the blade unit comprises a cavity of predefined dimension configured to house the electronic system mounted on the smart cricket bat  10  on one or more positions 
     
     
         13 . The smart cricket bat as claimed in  claim 1 , comprises one or more biomechanical energy harvesters mounted on at least one of the blade unit and the handle unit and configured to generate electricity by harvesting piezoelectric, triboelectric, and electromagnetic energy generated while making the shot, wherein the one or more biomechanical energy harvesters comprises piezoelectric materials and sensors, Triboelectric nanogenerators (TENGs), inertial-induction-type energy harvesters, and gear-and-generator-type energy harvesters. 
     
     
         14 . The cricket bat as claimed in  claim 12 , wherein the piezoelectric materials and sensors comprise crystals, ceramics, polymers, and proteins, and the Triboelectric nanogenerators comprise poly(dimethyl siloxane) (PDMS) and poly(ethylene terephthalate) (PET) as the triboelectric contact surfaces. 
     
     
         15 . A system for analysing training of players, the system  150  comprising:
 one or more processors; 
 an information receiving subsystem operable by the one or more processors, and communicatively coupled to one or more smart cricket bats, wherein the information receiving subsystem is configured to:
 receive data representative of rate of change of velocity of the one or more smart cricket bats, angular speed of the one or more smart cricket bats, orientation of the one or more smart cricket bats, pressure exerted on the one or more smart cricket bats by a ball and pressure exerted on a handle unit by a hand grip of a batsman, and one or more audios associated with the one or more smart cricket bats while making a shot; 
 receive at least one of one or more videos, one or more images or a combination thereof of the batsman from an image capturing unit; 
 
 an information analysing subsystem operable by the one or more processors, wherein the information analysing subsystem is configured to:
 identify at least one of one or more body postures and one or more cricketing shots being played by the batsman from the one or more videos, the one or more images or the combination thereof, and 
 analyse identified one or more body postures and one or more cricketing shots with respect to the rate of change of velocity of the one or more smart cricket bats, the angular speed of the one or more smart cricket bats, the orientation of the one or more smart cricket bats, the pressure exerted on the one or more smart cricket bats by a ball, the pressure exerted on the handle unit by the hand grip of the batsman, and the one or more audios to calculate one or more metrics associated with the batting,
 wherein the one or more metrics comprise speed of the one or more smart cricket bats, power index, shot efficiency, three-dimensional cricket shot simulation, type of cricketing shot, bat lifting angle and direction, time of impact of the one or more smart cricket bats with the ball, detection of sweet spot of the one or more smart cricket bats and detecting whether the ball made contact with the one or more smart cricket bats or a cricket pad; and 
 
 a feedback transmission subsystem operable by the one or more processors, wherein the feedback transmission subsystem is configured to: 
 compare the one or more metrics with a set of benchmarked one or more metrics in order to identify deviation in value associated with the one or more metrics of a specific batsman, and 
 transmit one or more identified deviation in the one or more metrics to a user computing device for providing real time feedback to the batsman via one or more communication means. 
 
 
     
     
         16 . The system as claimed in  claim 15 , wherein the one or more smart cricket bats comprises at least one of an accelerometer sensor, a gyroscope sensor, a magnetometer sensor, a matrix pressure sensor fabricated from textile material and a microphone to capture data representative of the rate of change of velocity of the one or more smart cricket bats, the angular speed of the one or more smart cricket bats, the orientation of the one or more smart cricket bats, the pressure exerted on the one or more smart cricket bats by a ball, the pressure exerted on the handle unit by the hand grip of the batsman, and the one or more audios associated with the one or more smart cricket bats while making the shot. 
     
     
         17 . The system as claimed in  claim 15 , comprising a storage subsystem configured to store received data representative of the rate of change of velocity of the one or more smart cricket bats, the angular speed of the one or more smart cricket bats, the orientation of the one or more smart cricket bats, the pressure exerted on the one or more smart cricket bats by a ball and the pressure exerted on the handle unit by the hand grip of the batsman, the one or more audios associated with the one or more smart cricket bats, one or more videos and one or more images in a database. 
     
     
         18 . The system as claimed in  claim 15 , comprising a report generation subsystem configured to generate a report for providing feedback to the batsman, wherein format of the report is either in a video format or a sheet format. 
     
     
         19 . A process of fabrication of a smart cricket bat, the process comprising:
 attaching a first end of a handle to a top portion of a blade unit, wherein the blade unit comprises a ball hitting surface and a non-ball hitting surface;   forming a cavity with a set of pre-defined dimensions at a first end of the handle unit, one or more portions of the handle unit, a front side of the blade unit and at a back side of the blade unit;   disposing a casing within the cavity, wherein the casing includes a removably attached lid to removably place battery inside the casing;   placing an electronic system including at least one of a gyroscope sensor, an accelerometer sensor, a magnetometer sensor, a microphone, and a matrix pressure sensor within the casing;   disposing a lid on the casing, wherein the lid adapted to lock or unlock the removably attached lid of the casing; and   mounting one or more biomechanical energy harvesters at one or more positions onto the smart cricket bat.   
     
     
         20 . The process as claimed in  claim 19 , wherein the cavity comprises a wireless charging unit configured to power up the at least one of a gyroscope sensor, an accelerometer sensor, a magnetometer sensor, a microphone and a matrix pressure sensor.