A ROBOTIC HAND FOR AUTOMATION OF TASKS

Abstract

A robotic hand 100 for precision tasks can includes a plurality of fingers 102 coupled to a platform 110; and a plurality of motors configured with the plurality of fingers 102 such that the plurality of motors controls each finger 102 to move around independently and collectively as controlled by a user to pick, hold, and deliver at least one object of interest from a first place of task to a second place of task to complete the selected task. Each finger 102 of the robotic hand 100 is able to rotate 360° by the user using the computing device. The each finger 102 further divided into at least two segments 104 separated by a knuckle 106, and vertically in two parts except thumb, starting from their base 108 to their tips. The base 108 of each finger 102 is detachably coupled at pre-defined angle to the platform 110.

Specification

Description:TECHNICAL FIELD
[0001] The present disclosure relates to the field of automation. More particularly, the present disclosure relates to a robotic hand having better grip strength, flexibility, and dynamic capabilities aimed at improving precision in task even for small objects.

BACKGROUND
[0002] Background description includes information that may be useful in understanding the present disclosure. It is not an admission that any of the information provided herein is prior art or relevant to the present claimed disclosure, or that any publication specifically or implicitly referenced is prior art.
[0003] Manual labour used to be the main force in the conventional field of manufacturing. But advent of technology and scare manpower made the users to go for automation. In the field of automation, robots are playing vital role and become important part in manufacturing sector. Some sectors like medical and jewelry, where reaching to a difficult and vital place, picking and placing of miniature objects, robotic arms paly vital role.
[0004] Along with the development of the high competitive technology, many robotic hands have been come into the market. These robotic arms having flexibility, more control over the fingers, and reaching to difficult places to accomplish a given task.
[0005] Recently, many robotic arms having mixed mobility of fingers have been disclosed in prior arts. One such Patent Document CN102294698A discloses a tractive simulation robotic hand, comprising five fingers including a thumb and a palm form an included angle, and relatively fixed with each other, each of the four fingers has three rotary joints, the first dactylopodites of the movable fingers are connected with the palm through first rotary joints, the second dactylopodites are connected with the first dactylopodites through second rotary joints, the third dactylopodites are connected with the second dactylopodites through third rotary joints, the side of the movable fingers close to the palm are respectively provided with a tractive steel wire which respectively penetrates through a wire hole on each dactylopodites to be connected with a motor, the other end of each steel wire is fixed at the rear end of the third dactylopodites , the length of each steel wire of the palm side is changed through the rotary motor, and accordingly, the finger bend.
[0006] While the referred patent document discloses the robotic arm where arms are moved by a motor through steel wire coupled between the motor and the dactylopodites arms, there is a possibility to have a better robotic arm that can provide better solution for the movement of the fingers and completing task with precision.
[0007] There is, therefore, a need to have a simple, flexible, and cost-efficient robotic arm with a thumb and fingers to have better grip strength, flexibility, and dynamic capabilities aimed at improving precision in task even for small objects.

OBJECTS OF THE PRESENT DISCLOSURE
[0008] An object of the present disclosure is to provide a robotic arm having capability of rotation of fingers all around allowing abroad range of motion and enhanced handling of small and delicate objects.
[0009] Another object of the present disclosure is to provide a simple, fast, and cost-efficient novel robotic arm with autonomous movement.
[0010] Another object of the present disclosure is to provide the robotic arm that has hand's adaptability in accessing difficult-to-reach areas and sophisticated goods in the medical and jewelry sectors.
[0011] Another object of the present disclosure is to provide hand gripper that can automatically adjust to different object shapes and sizes, providing a secure hold without the need for manual adjustments.
[0012] Yet another object of the present disclosure is to provide segmented fingers to have variable length of fingers operation based on the objects.


SUMMARY
[0013] The present disclosure relates to the field of automation. More particularly, the present disclosure relates to a robotic hand having better grip strength, flexibility, and dynamic capabilities aimed at improving precision in task even for small objects. The robotic hand is designed very similar to human hand offering effective and precise work to place small objects from one place to required place of work.
[0014] In an aspect, the disclosure is about a robotic hand can includes a plurality of fingers coupled to a platform; and a plurality of motors configured with the plurality of fingers such that the plurality of motors controls each finger to move around independently and collectively as controlled by a user to pick, hold, and deliver at least one object of interest from a first place of task to a second place of task to complete the selected task.
[0015] In an aspect, the plurality of fingers includes a thumb.
[0016] In an aspect, the each finger is divided into at least two segments separated by a knuckle to have greater flexibility of movements of the fingers.
[0017] In an aspect, the each finger except the thumb is vertically divided in two parts starting from their base to their tips to have a plurality of vertical segments.
[0018] In an aspect, the base of each finger is detachably coupled at pre-defined angle to the platform having shape like human palm through individual motors.
[0019] In an aspect, the each segment of the fingers is powered by independent motors controlled through a computing device to coordinates the movement of the fingers to perform complex tasks with high accuracy.
[0020] In an aspect, the each finger of the robotic hand is able to rotate 360° by the user using the computing device.
[0021] In an aspect, the robotic hand incorporates linear motion capabilities between segments enabling each finger to extend its reach by 40mm to 60 mm.
[0022] In an aspect, the each segment of the finger is hollow, and the length of the fingers are extendable between 700mm to 750mm based on the selected task through operation of the motors coupled with the fingers.
[0023] In an aspect, the fingers are made of a flexible material selected at least one from silicon and rubber having hardness between 50 Shore A to 90 Shore A.
[0024] Various objects, features, aspects, and advantages of the inventive subject matter will become more apparent from the following detailed description of preferred embodiments, along with the accompanying drawing figures in which the same numerals represent like components.

BRIEF DESCRIPTION OF DRAWINGS
[0025] The accompanying drawings are included to provide a further understanding of the present disclosure and are incorporated in, and constitute a part of this specification. The drawings illustrate exemplary embodiments of the present disclosure, and together with the description, serve to explain the principles of the present disclosure.
[0026] In the figures, similar components, and/or features may have the same reference label. Further, various components of the same type may be distinguished by following the reference label with a second label that distinguishes among the similar components. If only the first reference label is used in the specification, the description is applies to any one of the similar components having the same first reference label irrespective of the second reference label.
[0027] FIG. 1A illustrates an exemplary schematic view of proposed robotic hand, in accordance with an embodiment of the present disclosure.
[0028] FIG. 1B illustrates an exemplary schematic view of different stages of segmentation of fingers of the robotic hand, in accordance with an embodiment of the present disclosure.
[0029] FIG. 1C illustrates an exemplary schematic view of the robotic hand depicting segmented fingers, in accordance with an embodiment of the present disclosure.
[0030] FIG. 1D illustrates an exemplary view of elongated finger with segmented view of the robotic hand, in accordance with an embodiment of the present disclosure.
[0031] FIG. 2 illustrates an exemplary block diagram depicting components and the operation of the robotic hand, in accordance with an embodiment of the present disclosure.

DETAILED DESCRIPTION
[0032] The following is a detailed description of embodiments of the disclosure depicted in the accompanying drawings. The embodiments are in such detail as to communicate the disclosure. However, the amount of detail offered is not intended to limit the anticipated variations of embodiments. On the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit, and scope of the present disclosure as defined by the appended claims.
[0033] In the following description, numerous specific details are outlined to provide a thorough understanding of the embodiments of the present invention. It will be apparent to one skilled in the art that embodiments of the present invention may be practiced without some of these specific details.
[0034] The present disclosure relates to the field of automation. More particularly, the present disclosure relates to a robotic hand having better grip strength, flexibility, and dynamic capabilities aimed at improving precision in task even for small objects.
[0035] An embodiment of the present disclosure is about a robotic hand for precision tasks can includes a plurality of fingers coupled to a platform; and a plurality of motors configured with the plurality of fingers such that the plurality of motors controls each finger to move around independently and collectively as controlled by a user to pick, hold, and deliver at least one object of interest from a first place of task to a second place of task to complete the selected task. Each finger of the robotic hand is able to rotate 360° by the user using the computing device. The each finger further divided into at least two segments separated by a knuckle, and vertically in two parts except thumb, starting from their base to their tips. The base of each finger is detachably coupled at pre-defined angle to the platform.
[0036] Referring to FIGs. 1A to 1D where an exemplary schematic view of proposed robotic hand 100 and different stages of segmentation of fingers 102 of the robotic hand 100 are shown. The disclosure is about a robotic hand 100 designed to simulate the complex movements and functionalities of a human hand. It is equipped with multiple features such as, multi-segmented fingers for precise control, and independent motorized control for each segment.
[0037] In an embodiment, the robotic hand 100 can includes a plurality of fingers 102-1, 102-2, 102-3, and 102-4, and a thumb 102-5 (collectively refer to as the fingers 102, herein), all coupled to a platform 110 having shape like human palm; and a plurality of motors (refer to view 202 of FIG. 2).
[0038] In an embodiment, the each finger 102 is divided into at least two segments 104-1, 104-2 as shown for thumb 102-5, whereas other fingers have three sections 104-1, 104-2, and 104-3 separated by a knuckle 106 to have greater flexibility of movements of the fingers 102. The each finger 102 of the robotic hand 100 is able to rotate 360° by the user using the computing device. The multiple segments 104 of each finger 102 allow the robotic hand 100 to conform more closely to the shape of the object, ensuring a secure and efficient grip and suitable for high-precision tasks.
[0039] In an embodiment, the each finger 102 except the thumb 102-5 is further divided vertically in two parts 102-A, 102-B (refer to view FIG. 1C). starting from their base 108 of attachment with the platform 110 to their tips to have a plurality of vertical segments.
[0040] In an embodiment, the base 108 of each finger 102 is detachably coupled at pre-defined angle to the platform 110 having shape like human palm through individual motors. Also, the each segment 104 of the fingers 102 is powered by independent motors 202 controlled through a computing device to coordinates the movement of the fingers 102 to perform complex tasks with high accuracy. The motor also controls fingers 102 to separate fully, contributing to the overall adaptability and functionality of the robotic hand 100.
[0041] In an embodiment, the robotic hand 100 incorporates linear motion capabilities between segments 104 enabling fingers 102 to extend its reach by 40mm to 60 mm shown as 104-1A, 104-2B, 104-3C, 104-1B, 104-2B, and 104-3B in stage 4 of FIG. 1B. The complete finger 102 with two sections of 102-A and 102-B has also been shown in different stages from stage 1 to stage 3. Each stage 104 depicts division of finger 102 from knuckle 106.
[0042] In an embodiment, the each segment 104 of the finger is hollow, and the length of the finger is extendable (refer to view FIG. 1D) between 700mm to 750mm based on the selected task through operation of the motors 202 coupled with the fingers 102.
[0043] In an embodiment, the robotic arm 100 is configured with the plurality of fingers 102 such that the plurality of motors 202 controls each finger 102 to move around independently and collectively as controlled by a user to pick, hold, and deliver at least one object of interest from a first place to a second place of task to complete the selected task.
[0044] In an embodiment, the fingers 102 are made of a flexible material selected at least one from silicon and rubber having hardness between 50 Shore A to 90 Shore A.
[0045] This robotic hand is ideal for delicate and high-precision tasks, making it suitable for applications in jewelry, medical devices, small component handling, and general-purpose use.
[0046] FIG. 2 illustrates an exemplary block diagram 200 depicting components and the operation of the robotic hand 100.
[0047] In an embodiment, to control the operation of the robotic arm 100, the plurality of motors 202 are employed. The user, program the operation using the computing device 212 is controlled with the help of sophisticated motor control mechanisms 206 for folding and separating finger segments 104. The incorporation of motors 202 specially designed for the holding and separation for finger segments 104, enhancing the operational efficiency of the robotic hand 100.
[0048] In an embodiment, the computing device 212 controls the each segment 104 of the fingers 102 powered by independent motors 202. The computing device includes a central processing unit 214 that coordinates their movement through control panel 210, enabling the fingers 102 to perform complex tasks with high accuracy. The central processing unit 214 comprises its own power supply units and the movements of the fingers 102 and the segments are controlled through programmable logic controllers supported by the machine learning module or AI module.
[0049] The motors 202 provide the necessary torque and speed for smooth and responsive finger 102 movements and necessary voltage for operation is set through a voltage regulator208 and further movements of the fingers 102 through respective potentiometers 204.
For example- A task of selecting and placing small diamonds from a first place to desired second location, the robotic hand 100 receives input from the user or a programmed sequence. In the second step fingers rotate to the desired angle, allowing access to the diamond. In further step, the segmented fingers 102 flex to gently pick the diamond without applying excessive pressure. Lastly the robotic hand 100 moves the diamond to the desired location and releases it with precision.
[0050] Thus the disclosed robotic arm 100 where each finger 102 can rotate a full 360° around its base. This rotational capability allows the robotic hand 100 to access and manipulate objects in simple and accurate way. The higher productivity achieved through the robotic arm 100 and minimizing human labour proves to be a cost-effective solution.
[0051] Moreover, in interpreting the specification, all terms should be interpreted in the broadest possible manner consistent with the context. In particular, the terms "comprises" and "comprising" should be interpreted as referring to elements, components, or steps in a non-exclusive manner, indicating that the referenced elements, components, or steps may be present, utilized, or combined with other elements, components, or steps that are not expressly referenced. Where the specification claims refer to at least one of something selected from the group consisting of A, B, C….and N, the text should be interpreted as requiring only one element from the group, not A plus N, or B plus N, etc.
[0052] While the foregoing describes various embodiments of the invention, other and further embodiments of the invention may be devised without departing from the basic scope thereof. The scope of the invention is determined by the claims that follow. The invention is not limited to the described embodiments, versions, or examples, which are comprised to enable a person having ordinary skill in the art to make and use the invention when combined with information and knowledge available to the person having ordinary skill in the art.

ADVANTAGES OF THE INVENTION
[0053] The present disclosure provides a robotic arm having capability of rotation of fingers all around allowing abroad range of motion and enhanced handling of small and delicate objects.
[0054] The present disclosure provides a simple, fast, and cost-efficient novel robotic arm with autonomous movement.
[0055] The present disclosure provides the robotic arm that has hand's adaptability in accessing difficult-to-reach areas and sophisticated goods in the medical and jewelry sectors.
[0056] The present disclosure provides hand gripper that can automatically adjust to different object shapes and sizes, providing a secure hold without the need for manual adjustments.
[0057] The present disclosure provides segmented fingers to have variable length of fingers operation based on the objects.
 
, Claims:1. A robotic hand (100) comprising:
a plurality of fingers (102) coupled to a platform (110); and
a plurality of motors (202) configured with the plurality of fingers (102):
wherein the plurality of motors (202) controls each finger (102) to move around independently and collectively as controlled by a user to pick, hold, and deliver at least one object of interest from a first place of task to a second place of task to complete the selected task.
2. The robotic hand as claimed in claim 1, wherein the plurality of fingers (102) includes a thumb (102-5).
3. The robotic hand as claimed in claim 2, wherein the each finger (102) is divided into at least two segments (104) separated by a knuckle (106) to have greater flexibility of movements of the fingers (102).
4. The robotic hand as claimed in claim 1, wherein the each finger (102) except the thumb (102-5) is vertically divided in two parts starting from their base (108) to their tips to have a plurality of vertical segments (102-A, 102-B).
5. The robotic hand as claimed in claim 1, wherein the base (108) of each finger (102) is detachably coupled at pre-defined angle to the platform (110) having shape like human palm through individual motors (202).
6. The robotic hand as claimed in claim 1, wherein the each segment (104) of the fingers (102) is powered by independent motors (202) controlled through a computing device (212) to coordinates the movement of the fingers (102) to perform complex tasks with high accuracy.
7. The robotic hand as claimed in claim 1, wherein the each finger (102) of the robotic hand (100) is able to rotate 360° by the user using the computing device (212).
8. The robotic hand as claimed in claim 1, wherein the robotic hand (100) incorporates linear motion capabilities between segments (104) enabling finger (102) to extend its reach by 40mm to 60 mm.
9. The robotic hand as claimed in claim 1, wherein the each segment (104) of the finger is hollow, wherein the length of the fingers (102) is extendable between 700mm to 750mm based on the selected task through operation of the motors (202) coupled with the fingers (102).
10. The robotic hand as claimed in claim 1, wherein the fingers (102) are made of a flexible material selected at least one from silicon and rubber having hardness between 50 Shore A to 90 Shore A.

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