CN113475840A - Self-adaptive suspension weight-reduction power generation integrated backpack and control method thereof - Google Patents

Self-adaptive suspension weight-reduction power generation integrated backpack and control method thereof Download PDF

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Publication number
CN113475840A
CN113475840A CN202110801960.8A CN202110801960A CN113475840A CN 113475840 A CN113475840 A CN 113475840A CN 202110801960 A CN202110801960 A CN 202110801960A CN 113475840 A CN113475840 A CN 113475840A
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China
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backpack
sensor
impedance
control module
acquiring
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Withdrawn
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CN202110801960.8A
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Chinese (zh)
Inventor
何剑
丑修建
曹自平
应鑫
薛峰
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North University of China
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North University of China
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    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45F—TRAVELLING OR CAMP EQUIPMENT: SACKS OR PACKS CARRIED ON THE BODY
    • A45F3/00—Travelling or camp articles; Sacks or packs carried on the body
    • A45F3/04—Sacks or packs carried on the body by means of two straps passing over the two shoulders
    • A45F3/08—Carrying-frames; Frames combined with sacks
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45C—PURSES; LUGGAGE; HAND CARRIED BAGS
    • A45C15/00—Purses, bags, luggage or other receptacles covered by groups A45C1/00 - A45C11/00, combined with other objects or articles
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
    • G05B19/0423—Input/output
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/14—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from dynamo-electric generators driven at varying speed, e.g. on vehicle
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/18—Structural association of electric generators with mechanical driving motors, e.g. with turbines
    • H02K7/1807—Rotary generators

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Purses, Travelling Bags, Baskets, Or Suitcases (AREA)

Abstract

The invention discloses a self-adaptive suspension weight-reducing power generation integrated backpack and a control method thereof, wherein the backpack comprises a back plate, a load plate, a gear box, a generator and a control module, wherein the back plate is provided with a guide rail, and the load plate is connected with the guide rail in a sliding manner through a sliding block; the back plate is provided with a ball screw pair, the screw is parallel to the guide rail, and the load plate is fixedly connected with the nut; the gear box is connected with the screw rod, the generator is connected with the gear box, and the control module is electrically connected with the generator; the control module comprises a rectification voltage stabilizing circuit, an impedance adjusting circuit, a microcontroller, a rechargeable power supply, a speed sensor, a mass sensor and a vibration sensor; the microcontroller adjusts the impedance of the impedance adjusting circuit through a specified algorithm according to the information collected by the speed sensor, the mass sensor and the vibration sensor; the invention can adaptively adjust the damping according to the motion state of the human body, and realizes better suspension weight reduction and electric energy collection effects.

Description

Self-adaptive suspension weight-reduction power generation integrated backpack and control method thereof
Technical Field
The invention relates to the technical field of bags and bags, in particular to a self-adaptive suspension weight-reduction power generation integrated backpack and a control method thereof.
Background
When people go out, people sometimes need to put a plurality of articles such as electronic equipment, clothes and the like into a backpack to carry with them. When a person carries a backpack with excessive mass, on one hand, due to the dead weight of the backpack and on the other hand, due to the dynamic load generated by the fluctuation of the gravity center of the backpack along with the weight center of the person, great impact force is applied to the human body, so that the injuries of muscles, joints, bones and the like of the human body are easily caused. In recent years, some researchers introduce a mass-spring-damper system into a backpack, so that the impact force of the backpack on a human body can be reduced under certain conditions, and the backpack has a weight reduction function in a specific scene. However, the backpack with the weight reduction function in the prior art often has a limited range for the mass of the articles contained in the backpack and the traveling speed of the backpack carrier, and the weight reduction effect is lost after the limited range is exceeded.
Disclosure of Invention
The invention aims to provide a self-adaptive suspension weight-reducing and power-generating integrated backpack and a control method thereof, which can self-adaptively adjust damping according to the motion state of a human body and achieve better suspension weight-reducing and power-generating effects.
In order to achieve the purpose, the invention provides the following technical scheme:
on one hand, the invention provides a self-adaptive suspension weight-reduction power generation integrated backpack which comprises a back plate, a load plate, a gear box, a generator and a control module, wherein the gear box, the generator and the control module are respectively arranged on the back plate; the back plate is provided with a ball screw pair, a screw of the ball screw pair is parallel to the guide rail, and the load plate is fixedly connected with a nut of the ball screw pair; the gearbox is connected with a screw rod of the ball screw pair, the generator is connected with the gearbox, and the control module is electrically connected with the generator;
the control module comprises a rectifying and voltage-stabilizing circuit, an impedance adjusting circuit, a microcontroller, a rechargeable power supply, a speed sensor for acquiring the walking speed of a human body, a quality sensor for acquiring the backpack quality and a vibration sensor for acquiring the amplitude of the human body in the vertical direction during walking; the speed sensor, the mass sensor, the vibration sensor and the impedance adjusting circuit are respectively and electrically connected with the microcontroller; the generator, the rectification voltage stabilizing circuit, the impedance adjusting circuit, the rechargeable power supply and the microcontroller are electrically connected in sequence; the output current of the generator sequentially passes through the rectification voltage stabilizing circuit and the impedance adjusting circuit and then charges the rechargeable power supply; the rechargeable power supply supplies power to the microcontroller, the speed sensor, the mass sensor and the vibration sensor; the microcontroller adjusts the impedance of the impedance adjusting circuit through a specified algorithm according to the information collected by the speed sensor, the mass sensor and the vibration sensor.
Furthermore, the guide rails are arranged in two numbers, the two guide rails are parallel to each other and are respectively arranged on two sides of the ball screw pair, fixing seats are fixedly connected to two ends of each guide rail, and the fixing seats are fixedly connected with the back plate.
Furthermore, a spring is sleeved on the guide rail, one end of the spring is connected with the sliding block on the load plate, and the other end of the spring is connected with the fixed seat.
Furthermore, four sliding blocks are arranged and are respectively arranged at four vertex angles of the load plate, and the load plate is connected with the two guide rails in a sliding mode through the four sliding blocks.
Furthermore, both ends of a screw rod of the ball screw pair are movably connected with supporting seats, the supporting seats are fixedly connected with the back plate, and one end of the screw rod of the ball screw pair penetrates through the supporting seats to be connected with the gear box through a coupler.
Furthermore, this self-adaptation suspension subtracts heavy electricity generation integration's knapsack still includes braces, back of the body pad and inclusion, and the both ends of braces respectively with back of the body pad fixed connection, back of the body pad and backplate fixed connection, inclusion fixed setting is on the load board.
In another aspect, the present invention provides a control method for the adaptive suspension weight-reduction power generation integrated backpack, including:
acquiring the speed information of human body walking through a speed sensor, acquiring the quality information of a backpack through a quality sensor, and acquiring the amplitude information of the human body walking along the vertical direction through a vibration sensor;
the microcontroller adjusts the impedance of the impedance adjusting circuit through a specified algorithm according to the speed information, the quality information and the amplitude information; increasing impedance, if the amplitude is reduced, returning to the previous step, otherwise, reducing the impedance; reducing impedance, if the amplitude is reduced, returning to the previous step, otherwise, the control module sleeps;
when the sleep time of the control module reaches delta T, continuously acquiring the walking speed information of the human body through a speed sensor, acquiring the quality information of the backpack through a quality sensor, and acquiring the amplitude information of the human body in the vertical direction through a vibration sensor; if any one of the conditions that the speed change is greater than delta V, the quality change is greater than delta m or the amplitude change is greater than delta X is met, the microcontroller adjusts the impedance of the impedance adjusting circuit through a specified algorithm according to the speed information, the quality information and the amplitude information, and otherwise, the control module continues to sleep;
where Δ T is the relative change in time, Δ V is the relative change in velocity, Δ m is the relative change in mass, and Δ X is the relative change in amplitude.
Compared with the prior art, the invention has the beneficial effects that:
the invention provides a self-adaptive suspension weight-reducing power generation integrated backpack and a control method thereof.A load plate moves along a guide rail through a slide block, a screw rod is driven to rotate by a nut of a ball screw pair in the moving process of the load plate, the screw rod drives a gear box to rotate while rotating, the gear box drives a generator to rotate while rotating to generate power, and the output current of the generator sequentially passes through a rectification voltage stabilizing circuit and an impedance adjusting circuit and then charges a rechargeable power supply; the rechargeable power supply supplies power to the microcontroller, the speed sensor, the mass sensor and the vibration sensor; the microcontroller adjusts the impedance of the impedance adjusting circuit through a specified algorithm according to the information collected by the speed sensor, the mass sensor and the vibration sensor, so that the oscillation force borne by the human body when the human body is carried on the backpack to move is the minimum, and better suspension weight reduction and electric energy collection effects are realized; the spring is used as a power transmission part and can realize suspension weight reduction to a certain extent;
the self-adaptive suspension weight-reducing and power-generating integrated backpack and the control method thereof provided by the invention can adaptively adjust the damping according to the motion state of a human body, so that the backpack body and the load plate are in a suspension weight-reducing state, and the load of the human body is reduced; meanwhile, the rechargeable power supply in the control module can collect electric energy generated by the generator, not only can provide electric energy for the control module, but also can charge the portable electronic equipment, and can meet the outdoor power utilization requirements of people to a certain extent.
Drawings
Fig. 1 is a schematic structural diagram of an adaptive suspension weight-reducing power generation integrated backpack provided by an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a back plate and a load plate in an adaptive suspension weight-reducing power generation integrated backpack provided by an embodiment of the invention;
fig. 3 is a schematic structural diagram of a back plate in an adaptive suspension weight-reducing power generation integrated backpack provided by an embodiment of the present invention;
FIG. 4 is a schematic diagram illustrating the principle of the self-adaptive weight-reducing and power-generating integrated backpack carried on a person according to the embodiment of the present invention;
fig. 5 is a schematic circuit block diagram of a control module in a self-adaptive suspension weight-reduction power generation integrated backpack according to an embodiment of the present invention;
fig. 6 is a flowchart of a control method of an adaptive suspension weight-reducing power generation integrated backpack according to an embodiment of the present invention.
In the figure: 1-back plate, 2-load plate, 3-gear box, 4-generator, 5-control module, 6-guide rail, 7-slide block, 8-lead screw, 9-nut, 10-fixed seat, 11-spring, 12-supporting seat, 13-brace, 14-back cushion, 15-bag body and 16-coupler.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 5, the backpack for integrating self-adaptive suspension weight reduction and power generation provided by an embodiment of the present invention includes a back plate 1, a load plate 2, a gear box 3, a generator 4 and a control module 5, wherein the gear box 3, the generator 4 and the control module 5 are respectively disposed on the back plate 1, a guide rail 6 is disposed on the back plate 1, a slider 7 is disposed on the load plate 2, the load plate 2 is slidably connected with the guide rail 6 through the slider 7, a contact surface between the slider 7 and the guide rail 6 is smooth enough, and lubricant oil can be applied on the guide rail 6 as necessary to reduce frictional resistance between the two; the back plate 1 is provided with a ball screw pair, a screw 8 of the ball screw pair is parallel to the guide rail 6, and the load plate 2 is fixedly connected with a nut 9 of the ball screw pair; the gear box 3 is connected with a screw 8 of the ball screw pair, the generator 4 is connected with the gear box 3, and the control module 5 is electrically connected with the generator 4; the load plate 2 moves along the guide rail 6 through the slide block 7, the screw rod 8 is driven to rotate by the nut 9 of the ball screw pair in the moving process of the load plate 2, the gear box 3 is driven to rotate while the screw rod 8 rotates, and the generator 4 is driven to rotate to generate electricity while the gear box 3 rotates;
the control module 5 comprises a rectifying and voltage-stabilizing circuit, an impedance adjusting circuit, a microcontroller, a rechargeable power supply, a speed sensor for acquiring the walking speed of a human body, a quality sensor for acquiring the backpack quality and a vibration sensor for acquiring the amplitude of the human body in the vertical direction during walking; the speed sensor, the mass sensor, the vibration sensor and the impedance adjusting circuit are respectively and electrically connected with the microcontroller; the generator 4, the rectification voltage stabilizing circuit, the impedance adjusting circuit, the rechargeable power supply and the microcontroller are electrically connected in sequence; the output current of the generator 4 sequentially passes through the rectification voltage stabilizing circuit and the impedance adjusting circuit and then charges the rechargeable power supply; the rechargeable power supply supplies power to the microcontroller, the speed sensor, the mass sensor and the vibration sensor, and meanwhile, the rechargeable power supply can also charge portable electronic equipment, so that the outdoor power demand of people can be met to a certain extent; the microcontroller adjusts the impedance of the impedance adjusting circuit through a specified algorithm according to the information collected by the speed sensor, the mass sensor and the vibration sensor.
The guide rails 6 are arranged in two numbers, the two guide rails 6 are parallel to each other and are respectively arranged on two sides of the ball screw pair, the two ends of each guide rail 6 are fixedly connected with fixing seats 10, and the fixing seats 10 are fixedly connected with the back plate 1.
The guide rail 6 is sleeved with a spring 11, one end of the spring 11 is connected with the sliding block 7 on the load plate 2, the other end of the spring 11 is connected with the fixed seat 10, and the spring 11 can help the load plate 2 to be in a suspension state.
The four sliding blocks 7 are arranged at the four vertex angles of the load plate 2 respectively, and the load plate 2 is connected with the two guide rails 6 in a sliding mode through the four sliding blocks 7.
The two ends of the screw 8 of the ball screw pair are movably connected with a supporting seat 12, the supporting seat 12 is fixedly connected with the back plate 1, and one end of the screw 8 of the ball screw pair penetrates through the supporting seat 12 to be connected with the gear box 3 through a coupler 16.
The self-adaptive suspended weight-reducing and power-generating integrated backpack further comprises straps 13, a back pad 14 and a backpack body 15, wherein two ends of each strap 13 are fixedly connected with the back pad 14, the back pad 14 is fixedly connected with the back plate 1, and the backpack body 15 is fixedly arranged on the load plate 2.
The self-adaptive suspension weight-reducing and power-generating integrated backpack provided by the invention can self-adaptively adjust the damping according to the motion state of a human body, so that the backpack body 15 and the load plate 2 are in a suspension weight-reducing state, and the load of the human body is reduced; meanwhile, the rechargeable power supply in the control module 5 can collect the electric energy generated by the generator 4, so that the electric energy can be provided for the control module 5, and the portable electronic equipment can be charged, thereby meeting the outdoor power demand of people to a certain extent.
As shown in fig. 6, a method for controlling the adaptive weight-reducing and power-generating backpack according to an embodiment of the present invention includes:
acquiring the speed information of human body walking through a speed sensor, acquiring the quality information of a backpack through a quality sensor, and acquiring the amplitude information of the human body walking along the vertical direction through a vibration sensor;
the microcontroller adjusts the impedance of the impedance adjusting circuit through a specified algorithm according to the speed information, the quality information and the amplitude information; increasing impedance, if the amplitude is reduced, the impedance is increased to reduce the oscillation force of the backpack on the human body, returning to the previous step, and continuing to increase the impedance, otherwise, the impedance is increased to reduce the oscillation force of the backpack on the human body, and the impedance is reduced; when the impedance is reduced, if the amplitude is reduced, the impedance reduction is favorable for reducing the oscillation force of the backpack on the human body, the step is returned to the previous step, the impedance is continuously reduced, otherwise, the impedance reduction is unfavorable for reducing the oscillation force of the backpack on the human body, and the control module 5 is in a sleep state;
when the sleep time of the control module 5 reaches delta T, continuously acquiring the walking speed information of the human body through the speed sensor, acquiring the quality information of the backpack through the quality sensor, and acquiring the amplitude information of the human body in the vertical direction through the vibration sensor; if any one of the conditions that the speed change is greater than delta V, the quality change is greater than delta m or the amplitude change is greater than delta X is met, the microcontroller adjusts the impedance of the impedance adjusting circuit through a specified algorithm according to the speed information, the quality information and the amplitude information, and otherwise, the control module 5 continues to sleep;
where Δ T is the relative change in time, Δ V is the relative change in velocity, Δ m is the relative change in mass, and Δ X is the relative change in amplitude.
The above-mentioned algorithm is specified for pursuing the oscillating force FsocMinimizing, oscillating force FsocThe calculation formula of (2) is as follows:
Figure BDA0003165016710000091
wherein, omega is the frequency of human body walking, X is the vibration amplitude of human body when human body walks, m is the mass of backpack, k is the stiffness coefficient of spring 11, that is
Figure BDA0003165016710000092
The vibration damping force is an ideal state when 0, k is an optimal value, and C is a total damping coefficient.
C＝Cm+Ce，
Wherein, CmAs a component of the mechanical damping coefficient, CeThe electric damping coefficient component can be changed by adjusting the impedance of the impedance adjusting circuit, for example.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (7)

1. The utility model provides a knapsack of heavy electricity generation integration is subtract in self-adaptation suspension which characterized in that: the power generation device comprises a back plate (1), a load plate (2), a gear box (3), a generator (4) and a control module (5), wherein the gear box (3), the generator (4) and the control module (5) are respectively arranged on the back plate (1), a guide rail (6) is arranged on the back plate (1), a sliding block (7) is arranged on the load plate (2), and the load plate (2) is in sliding connection with the guide rail (6) through the sliding block (7); a ball screw pair is arranged on the back plate (1), a screw (8) of the ball screw pair is parallel to the guide rail (6), and the load plate (2) is fixedly connected with a nut (9) of the ball screw pair; the gearbox (3) is connected with a screw rod (8) of the ball screw pair, the generator (4) is connected with the gearbox (3), and the control module (5) is electrically connected with the generator (4);
the control module (5) comprises a rectifying and voltage-stabilizing circuit, an impedance adjusting circuit, a microcontroller, a rechargeable power supply, a speed sensor for acquiring the walking speed of a human body, a quality sensor for acquiring the backpack quality and a vibration sensor for acquiring the amplitude of the human body in the vertical direction during walking; the speed sensor, the mass sensor, the vibration sensor and the impedance adjusting circuit are respectively and electrically connected with the microcontroller; the generator (4), the rectification voltage stabilizing circuit, the impedance adjusting circuit, the rechargeable power supply and the microcontroller are electrically connected in sequence; the output current of the generator (4) sequentially passes through the rectification voltage stabilizing circuit and the impedance adjusting circuit and then charges the rechargeable power supply; the rechargeable power supply supplies power to the microcontroller, the speed sensor, the mass sensor and the vibration sensor; and the microcontroller adjusts the impedance of the impedance adjusting circuit through a specified algorithm according to the information acquired by the speed sensor, the mass sensor and the vibration sensor.
2. The adaptive suspension weight-reducing power generation integrated backpack as recited in claim 1, further comprising: the guide rails (6) are arranged in two numbers, the two guide rails (6) are parallel to each other and are respectively arranged on two sides of the ball screw pair, fixing seats (10) are fixedly connected to two ends of each guide rail (6), and the fixing seats (10) are fixedly connected with the back plate (1).
3. The adaptive suspension weight-reducing power generation integrated backpack as recited in claim 2, further comprising: the guide rail (6) is sleeved with a spring (11), one end of the spring (11) is connected with the sliding block (7) on the load plate (2), and the other end of the spring is connected with the fixed seat (10).
4. The adaptive suspension weight-reducing power generation integrated backpack as recited in claim 2, further comprising: the four sliding blocks (7) are arranged and respectively arranged at four vertex angles of the load plate (2), and the load plate (2) is in sliding connection with the two guide rails (6) through the four sliding blocks (7).
5. The adaptive suspension weight-reducing power generation integrated backpack as recited in claim 1, further comprising: the double-shaft gearbox is characterized in that two ends of a screw rod (8) of the ball screw pair are movably connected with supporting seats (12), the supporting seats (12) are fixedly connected with a back plate (1), and one end of the screw rod (8) of the ball screw pair penetrates through the supporting seats (12) to be connected with the gearbox (3) through a coupler (16).
6. The adaptive suspension weight-reducing power generation integrated backpack as recited in claim 1, further comprising: the backpack comprises a backpack body (2), and is characterized by further comprising straps (13), a back pad (14) and a backpack body (15), wherein two ends of each strap (13) are fixedly connected with the corresponding back pad (14), the back pads (14) are fixedly connected with the backboard (1), and the backpack body (15) is fixedly arranged on the load board (2).
7. A control method of the adaptive suspension weight-reducing and power-generating integrated backpack as recited in any one of claims 1 to 6, comprising:
acquiring the speed information of human body walking through a speed sensor, acquiring the quality information of a backpack through a quality sensor, and acquiring the amplitude information of the human body walking along the vertical direction through a vibration sensor;
the microcontroller adjusts the impedance of the impedance adjusting circuit through a specified algorithm according to the speed information, the quality information and the amplitude information; increasing impedance, if the amplitude is reduced, returning to the previous step, otherwise, reducing the impedance; reducing the impedance, if the amplitude is reduced, returning to the previous step, otherwise, the control module (5) sleeps;
when the sleep time of the control module (5) reaches delta T, continuously acquiring the walking speed information of the human body through the speed sensor, acquiring the quality information of the backpack through the quality sensor, and acquiring the amplitude information of the human body in the vertical direction through the vibration sensor; if any one of the conditions that the speed change is greater than delta V, the quality change is greater than delta m or the amplitude change is greater than delta X is met, the microcontroller adjusts the impedance of the impedance adjusting circuit through a specified algorithm according to the speed information, the quality information and the amplitude information, and otherwise, the control module (5) continues to sleep;
where Δ T is the relative change in time, Δ V is the relative change in velocity, Δ m is the relative change in mass, and Δ X is the relative change in amplitude.
CN202110801960.8A 2021-07-15 2021-07-15 Self-adaptive suspension weight-reduction power generation integrated backpack and control method thereof Withdrawn CN113475840A (en)

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CN202110801960.8A CN113475840A (en) 2021-07-15 2021-07-15 Self-adaptive suspension weight-reduction power generation integrated backpack and control method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110801960.8A CN113475840A (en) 2021-07-15 2021-07-15 Self-adaptive suspension weight-reduction power generation integrated backpack and control method thereof

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