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71 results about "Gait control" patented technology

Gait control. Neurology The electromechanics of walking, a '…dazzlingly complex process which has an intrinsic focus on planning, execution and adaptation of movements by the CNS' See Gait.

Robot gait self-adaptive adjustment method and system combined with topographic feature recognition

The invention discloses a robot gait self-adaptive adjustment method and system combined with topographic feature recognition, and relates to the technical field of robot gaits, and the method comprises the steps: collecting a topographic image in front of a robot advancing path, carrying out the deblurring processing, and extracting ground feature data through a lightweight neural network; matching the ground characteristic data with a preset gait control parameter database to obtain a gait control parameter set, and generating a control signal through a proportional-differential control method according to the gait control parameter set; correcting the control signal based on a reinforcement learning algorithm, and generating a target control instruction for driving a joint actuator; in the process of executing the target control instruction, collecting state feedback data in real time, and comparing and optimizing the feedback data with the currently executed target control instruction to realize feedback adjustment; the problems of insufficient terrain recognition precision caused by image blurring, response lag caused by sensing and control decoupling and lack of adaptive ability are effectively solved.
Owner:伽利略(天津)技术有限公司

Self-adaptive gait control method, system and equipment for quadruped robot in limited space and medium

The invention discloses a self-adaptive gait control method, system and device for a quadruped robot in a limited space and a medium, and belongs to the technical field of gait control. Identifying terrain categories through a classifier and acquiring initial gait parameters from a gait library; adjusting the gait parameters according to the terrain gradient and the roughness to obtain optimized gait parameters; calculating stability indexes and fusing scores; when the score is lower than a threshold value, an adjustment strategy is determined according to an instability mode to correct gait parameters; a foot end track is generated and control is executed; and the executed information is fed back to terrain perception to form a closed loop. According to the method, the terrain recognition accuracy is improved through multi-modal information fusion, the adaptive mapping from the terrain to the gait is established to achieve automatic gait switching and parameter optimization, the stability is evaluated through multi-index fusion, a targeted adjustment strategy is selected according to an instability mode, the adaptive gait control problem under the limited space and the complex terrain is solved, and the adaptive gait recognition accuracy is improved. And the movement efficiency and the stability are improved.
Owner:GUIZHOU POWER GRID CO LTD

Humanoid robot reinforcement learning gait control method and system

The invention discloses a humanoid robot reinforcement learning gait control method and system, and belongs to the technical field of robot control. Comprising the following steps: constructing a model prediction control optimization problem based on a linear inverted pendulum model, and generating a robot mass center track and a foothold sequence; collecting state-action pair data of model prediction control, and training a neural network model by adopting supervised learning; designing a reinforcement learning strategy network, taking the output of the neural network model as a physical guidance reference, calculating a training reward based on the constructed composite reward function, training the strategy network in a high-concurrency simulation environment by adopting a near-end strategy optimization algorithm, and outputting a joint action instruction; and verifying the trained strategy and the joint action instruction output by the trained strategy in a plurality of simulation environments, and deploying the trained strategy and the joint action instruction to a real machine for dynamic gait control. According to the method, the stability and adaptability of gait control of the humanoid robot are improved through a method of combining model predictive control and reinforcement learning.
Owner:INST OF AUTOMATION CHINESE ACAD OF SCI

Quadruped robot gait reinforcement learning training method fusing bionic walking characteristics

The invention discloses a bionic walking feature fused quadruped robot gait reinforcement learning training method, which comprises the steps of S1, bionic gait feature modeling for extracting key features from a motion mode of a natural quadruped animal and constructing a bionic template capable of directly guiding robot gait control; and S2, constructing a reinforcement learning training environment, and simulating diversified actual scenes by constructing a high-fidelity simulation platform. According to the method, key features are extracted from natural four-footed animal gaits, a bionic template library is constructed, and natural features such as nonlinear rhythm and dynamic symmetry of animal movement are fused into robot gait control, so that the problem of action mechanical stiffness caused by dependence on manual design of a track in a traditional method is effectively solved; movement of the robot is closer to natural biological gaits, impact generated when the robot interacts with the environment is reduced while movement energy consumption is reduced, and movement smoothness is improved.
Owner:CHENGDU JINFA EDGE INTELLIGENT TECHNOLOGY CO LTD

Humanoid robot multi-terrain gait control method and system fused with visual perception

The invention belongs to the field of robot motion control, and particularly relates to a humanoid robot multi-terrain gait control method and system fused with visual perception. The method comprises the following steps: acquiring multi-modal sensing data of the humanoid robot, and preprocessing the multi-modal sensing data; the preprocessed multi-modal sensing data are input into a pre-trained world model, and the world model updates and outputs a potential state at the current moment based on a historical recursive state, a historical random posteriori state and an action sequence in a historical updating interval; inputting the potential state at the current moment into a pre-trained strategy network, and outputting an action at the current moment; and based on the action at the current moment, the driving torque of each joint is calculated through a PD controller, and the humanoid robot is driven to move. According to the method, a world model structure is introduced, so that the robot can realize more stable and more efficient gait control and terrain adaptation of the humanoid robot under the condition that the robot only depends on perception information which can be acquired by the robot.
Owner:ZHEJIANG UNIV OF TECH

Complex terrain-oriented robot dog gait adaptive control method and system

The invention relates to the technical field of adaptive control, in particular to a robot dog gait adaptive control method and system facing complex terrains. The specific implementation process comprises the following steps: quantifying external interference generated by unexpected physical interaction through an endogenous interference observer; a configurable gait control loop is used for generating a compensation control signal, and the actual movement gait is adjusted through fusion of a feedforward adjuster and the basic movement gait; continuously collecting and generating a historical interference sequence, and analyzing and extracting a continuous interference factor; and performing online self-adaptive correction on the gait dynamic model by using the continuous interference factor and re-planning the basic motion. According to the method, a dual adaptive control architecture is constructed, and feedforward compensation of instantaneous interference and online model adaptive correction of persistent deviation are combined. The problem that the robot dog is insufficient in robustness when facing complex terrains is effectively solved, and the walking ability of the robot dog in the complex terrains is improved.
Owner:NANJING LIUJIAYI INTELLIGENT TECHNOLGY CO LTD

Reinforcement learning biped robot gait control method based on multi-layer self-adaptive exploration mechanism

The invention discloses a reinforcement learning biped robot gait control method based on a multilayer adaptive exploration mechanism, and belongs to the field of biped robot reinforcement learning control. The method aims at solving the problems that in existing gait control based on a near-end strategy optimization (PPO) algorithm, strategy convergence is unstable, and exploration and utilization balance is insufficient. According to the method, a multi-layer adaptive exploration mechanism is introduced on the basis of a standard PPO framework: firstly, a state-dependent standard deviation network is designed to realize adaptive noise adjustment of a space layer for dynamically controlling action disturbance intensity; secondly, constructing an entropy regularization mechanism based on advantage weighting, and realizing exploration intensity adaptive control of a direction layer; thirdly, a dynamic entropy coefficient is designed according to the uncertainty of a value function, and exploration rhythm self-adaptive adjustment of a time layer is achieved. Through the synergistic effect of three layers of mechanisms, the strategy realizes dynamic balance of exploration and convergence in different training stages, so that the stability of the training process and the strategy convergence quality are improved.
Owner:JILIN UNIVERSITY

Six-dimensional force measurement matrix system and method for multi-terrain gait analysis of humanoid robot

The invention discloses a six-dimensional force measurement matrix system and method for multi-terrain gait analysis of a humanoid robot. The system comprises a modular terrain simulation platform, a six-dimensional force measurement matrix module, a data acquisition and synchronization module and robot gait performance analysis software. The modular terrain simulation platform comprises a rigid leveling module, a slope module and a step module; the six-dimensional force measurement matrix module comprises a plurality of six-dimensional force measurement plates; the data acquisition and synchronization module acquires synchronous matrix data of each six-dimensional force measurement plate; and the robot gait performance analysis software calculates key kinetic parameters and time-space parameters and generates a comprehensive report. According to the invention, three terrains of a rigid flat ground, a slope and steps can be simulated, force and torque of the humanoid robot walking on the terrains are continuously and synchronously acquired through the measurement matrix, and comprehensive, real and accurate evaluation of gait functions is realized. And high-precision and multi-dimensional quantitative evaluation data are provided for gait control algorithm development, dynamic performance calibration and mechanical foot design of the robot.
Owner:NANJING BIO INSPIRED INTELLIGENT TECH

Quadruped robot accurate gait control method based on dynamic optimization

The invention belongs to the field of robot control, and particularly relates to a quadruped robot accurate gait control method based on dynamic optimization. The method comprises the steps that phase states of four legs of the quadruped robot are judged, supporting phase foot end force is calculated for the legs in a supporting phase according to a real-time motion state and an expected motion state, and swinging phase correction force is calculated for the legs in a swinging phase; an expansion state observer is constructed based on the leg Cartesian space dynamics model, and the expansion state observer is used for observing the total disturbance term of the four legs of the quadruped robot in real time; calculating to obtain a disturbance value to be compensated based on the total disturbance term, obtaining an uncompensated joint torque based on the support phase foot end force or the swing phase correction force, and superposing to obtain a joint torque instruction; and driving the quadruped robot according to the joint torque instruction. According to the method, an advanced observation and compensation mechanism is introduced in a bottom layer execution link, accurate implementation of an upper layer optimization target is ensured, and finally accurate gait control is achieved.
Owner:ZHEJIANG UNIV OF TECH

Quadruped robot cargo placement correction method fusing visual identification and voice interaction

The invention discloses a quadruped robot cargo placement correction method fusing visual identification and voice interaction, and the method comprises the following steps: S1, collecting and preprocessing cargo images, and generating a standardized image input set; s2, constructing a spatial state sensing model, extracting image features and generating error vectors; s3, recognizing user voice and extracting semantic keywords such as direction and action instructions; s4, fusing the error vector and the semantic keyword, generating a multi-modal fusion input representation, and encoding the multi-modal fusion input representation into a fusion embedding representation; s5, generating a gait control parameter and an action control sequence based on the fusion embedding representation, and constructing an action plan structure; s6, executing the action plan structure to complete cargo position and posture correction, and recording state feedback data; and S7, in combination with state feedback and additional voice, constructing an interactive correction closed-loop control process, and updating control information. According to the method, the multi-modal understanding and action adjusting capability of the robot is enhanced.
Owner:山东浪潮数据库技术有限公司

Joint angle vector generation method and gait control method

The invention relates to the technical field of rehabilitation medical robots, and particularly provides a joint angle vector generation method and a gait control method.The generation method comprises the steps that a first gait phase and multi-sensor data at the current moment are obtained; the first gait phase is the gait phase of the lower limb exoskeleton robot at the previous moment, and the multi-sensor data comprises multi-modal motion data and visual data; predicting a second gait phase according to the first gait phase and the multi-modal motion data; the second gait phase is the gait phase of the lower limb exoskeleton robot at the current moment; adjusting a reference joint angle vector and a time scaling factor of a self-adaptive joint angle vector generator of which the weight is optimized in advance according to the visual data, and then generating an expected joint angle vector according to the second gait phase by utilizing the adjusted self-adaptive joint angle vector generator; according to the method, the joint angle vector which adapts to the current environment and is high in gait bionic performance can be generated.
Owner:JIHUA LAB

Foot-tracked hybrid mobile robot driving system and method

The application discloses a kind of foot and track type compound mobile robot drive control system and method, the system includes information acquisition sensor, host computer, foot type drive subsystem and track type drive subsystem, after information acquisition sensor gathers the obstacle size information of pre-specified active area, host computer compares the size of obstacle size and preset safety threshold to confirm whether foot type drive mode or track type drive mode is selected, and gait control instruction or track drive instruction is generated according to obstacle size information;When foot type drive subsystem receives gait control instruction sent by host computer, foot type drive mechanism is controlled to move according to gait control instruction;When track type drive subsystem receives track drive instruction sent by host computer, track type drive mechanism is controlled to move according to track drive instruction.The application can automatically switch the motion mode of foot and track type robot according to the size of obstacle, and can adapt to more complex working environment.
Owner:SHENZHEN INST OF ADVANCED TECH

Analogue simulation method based on gait control data and related equipment thereof

The invention belongs to the technical field of biological simulation, and relates to an analogue simulation method based on gait control data and related equipment thereof. Carrying out reinforcement learning on the gait simulation agent to obtain the gait simulation agent after reinforcement learning is completed and gait simulation continuous actions output by the gait simulation agent after reinforcement learning is completed; gait control data of the target object are collected; inputting the gait simulation intelligent body into the gait simulation intelligent body after reinforcement learning is completed, and obtaining a walking simulation continuous action corresponding to the target object; through comparison, identifying differential actions; and performing gait adjustment according to the gait control data corresponding to the differential actions. The method is applied to a medical biological simulation science and technology product optimization scene, product stress support adjustment can be carried out in combination with reinforcement learning and analogue simulation modes for an intelligent artificial limb user or an intelligent walking stick user, and a better product experience service is provided for related patients.
Owner:CHINA PING AN LIFE INSURANCE CO LTD

Bionic duty ratio gait control method for elastic robotic fish, program, equipment and storage medium

The invention belongs to the technical field of underwater bionic robots, and particularly relates to a bionic duty ratio gait control method for an elastic robotic fish, a program, equipment and a storage medium. According to the method, improvement is carried out based on a traditional Hopf oscillator, a CPG oscillator simulating a red muscle activation mode of fish is constructed, a CPG network model based on an improved Hopf central pattern generator is constructed according to the structure of the elastic robotic fish, and actuator control mapping is completed; and a PID-CPG closed-loop controller is constructed, and the actual maximum angle of each joint gradually approaches the maximum angle expected value through continuous iteration of the motion period. The universal gait control method of the bionic robotic fish is constructed according to the physiological characteristics of fish red muscle activation, the power consumption of the elastic robotic fish can be effectively reduced, and the efficiency can be improved.
Owner:HARBIN ENGINEERING UNIVERSITY SANYA NANHAI INNOVATION & DEVELOPMENT BASE +1

A quadruped robot low-noise gait control method and system based on a soft landing reward function

The present application relates to a kind of soft landing reward function-based quadruped robot low-noise gait control method and system, the method includes: constructing quadruped robot motion control environment, and defining foot contact determination standard;Design soft landing reward function based on vertical contact force, for the negative punishment of large contact force at the moment of landing, guide quadruped robot to learn low contact force landing mode;Collect the real-time contact force of quadruped robot foot and historical contact state, with soft landing reward function as core optimization target, using reinforcement learning algorithm, in combination with gait stability constraint, iterative training is carried out to strategy network, and low-noise gait strategy network is obtained, for optimizing output gait control signal, to control the gait action of quadruped robot accordingly.Compared with prior art, the present application can consider the noise control and gait stability of robot by accurately determining the moment of landing, designing contact force negative reward and combining reinforcement learning to actively optimize gait strategy.
Owner:FUDAN UNIVERSITY

A semi-passive gait control method and system for a biped robot based on adaptive Hopf-CPG

PendingCN122331290ADynamic modelsSimulation
This invention discloses a semi-passive gait control method and system for bipedal robots based on adaptive Hopf-CPG, relating to the field of robotics. The method includes the following steps: establishing a dynamic model of the bipedal robot with knee joints; optimizing key structural parameters of the robot based on the dynamic model; constructing an adaptive Hopf-CPG network; introducing an adaptive mechanism, including frequency adaptation, amplitude adaptation, and phase adaptation; and fusing the adaptive Hopf-CPG network with semi-passive gait control, dynamically adjusting the active adjustment ratio of the CPG network according to the robot's walking environment to achieve a balance between passive energy saving and active stability. Compared with existing technologies, this method significantly improves motion stability, enhances anti-disturbance capabilities, reduces energy consumption, improves endurance, and exhibits strong environmental adaptability, eliminating the need for manual parameter adjustment.
Owner:ANHUI POLYTECHNIC UNIV MECHANICAL & ELECTRICAL COLLEGE

Bionic Cheetah Spinal Elastic Energy Storage High-Speed ​​Gait Mechanism

This invention discloses a biomimetic cheetah spine elastic energy storage high-speed gait mechanism, belonging to the field of biomimetic legged robot motion execution and efficient gait control technology. Currently, quadrupedal and humanoid robots generally suffer from low energy utilization, high overall motion power consumption, significant gait rigidity impact, and limited continuous long-distance high-speed movement capability under high-speed running conditions. Conventional rigid linkage structures are difficult to achieve the efficient conversion and recycling of kinetic and elastic potential energy during biological movement. This invention mimics the biological movement mechanism of a cheetah during high-speed running, characterized by periodic bending and extension of the spine accompanied by elastic energy storage and release through tendons. It designs a multi-segment biomimetic flexible spinal main structure, combined with high-modulus energy storage tendon components, joint damping buffer units, and a collaborative drive linkage mechanism. This enables the robot to recover, store, and release energy within the complete gait cycle of stepping, takeoff, and landing, thereby significantly improving running speed, reducing drive system load, minimizing body vibration and impact, and enhancing overall stability and endurance under high-speed movement conditions. This technical solution has a highly original structure and is significantly different from existing bionic gait mechanisms. It can be widely used in equipment such as high-speed quadruped robots, emergency rescue robots, outdoor inspection robots, and racing robot platforms.
Owner:于世平

Self-adaptive stair climbing manned stair climbing machine and bionic climbing gait control method

The invention discloses a self-adaptive stair-climbing manned stair-climbing machine and a bionic climbing gait control method, the stair-climbing machine comprises a seat and a driving mechanism, and the driving mechanism comprises a self-adaptive stair-climbing assembly, a dynamic posture stabilizing assembly and a closed-loop measurement and control module. The self-adaptive stair climbing assembly is alternately switched to be in the state of making contact with the step plane through the overturning wheel disc set and the multiple first rolling wheels, and the first rolling wheels rotate while the wheel disc set overturns. The dynamic attitude stabilization assembly provides dynamic multi-point support through liftable front and rear support units. The closed loop measurement and control module senses the environment through the sensing system. The three modules cooperatively execute a bionic climbing gait control strategy, and the strategy comprises the steps that after stepping overturning, based on feedback, rotation of a roller and micro-motion of a wheel disc are cooperatively adjusted, so that position and posture cooperative control of precise falling is achieved; the front supporting unit is controlled to asynchronously stretch out and draw back to achieve stable migration of the gravity center. According to the invention, stable and continuous full-scene self-adaptive movement is realized, and high-safety and comfortable riding experience is provided for a user.
Owner:王伟国

Limp control method, limp control device, hybrid vehicle and storage medium

The invention discloses a limp control method, a limp control device, a hybrid vehicle and a storage medium, and relates to the technical field of vehicle control. The limping control method is applied to the hybrid power vehicle provided with a series-parallel hybrid power system and comprises the steps that when a high-voltage fault of a power battery occurs in the whole vehicle running process, a whole vehicle controller is used for controlling an engine, a generator and a driving motor to execute a torque zero clearing instruction, and a clutch is controlled to be separated; after the vehicle speed of the whole hybrid power vehicle is zero, the electric auxiliary machine is controlled to stop working, the first main positive contactor, the second main positive contactor and the main negative contactor are disconnected, and the emergency contactor is closed; and controlling an engine control mode of the engine to be switched from torque control to rotating speed control, controlling a generator control mode of the generator to be switched from torque control to non-control, and re-controlling the electric auxiliary engine to start working so as to control limp running of the hybrid vehicle.
Owner:WEICHAI POWER CO LTD

A method and system for adaptive gait control of robotic dogs in complex terrain

This invention relates to the field of adaptive control technology, specifically to a gait adaptive control method and system for robotic dogs facing complex terrain. The specific implementation process includes: quantifying external disturbances generated by unexpected physical interactions through an endogenous disturbance observer; generating compensation control signals using a configurable gait control loop, and adjusting the actual gait by fusing it with the basic gait using a feedforward regulator; continuously collecting and generating historical disturbance sequences, and analyzing and extracting persistent disturbance factors; and using the persistent disturbance factors to perform online adaptive correction of the gait dynamics model and replanning the basic motion. This invention constructs a dual adaptive control architecture, combining feedforward compensation for instantaneous disturbances with online adaptive correction of persistent deviations. This effectively improves the problem of insufficient robustness of robotic dogs facing complex terrain, enhancing the walking ability of robotic dogs in complex terrain.
Owner:NANJING LIUJIAYI INTELLIGENT TECHNOLGY CO LTD

A bionic duty cycle gait control method, program, device and storage medium for an elastic robotic fish

The present application belongs to the technical field of underwater bionic robots, and particularly relates to a bionic duty cycle gait control method for an elastic robotic fish, a program, an equipment and a storage medium. The present application is improved based on a traditional Hopf oscillator, a CPG oscillator simulating the red muscle activation mode of fish is constructed, a CPG network model based on the improved Hopf central pattern generator is constructed according to the structure of the elastic robotic fish, and actuator control mapping is completed; a proportional-integral-derivative (PID) CPG closed-loop controller is constructed, and through continuous iteration of the motion cycle, the actual maximum angle of each joint gradually approaches the maximum angle expected value. According to the physiological characteristics of the red muscle activation of fish, the present application constructs a general gait control method for bionic robotic fish, which can effectively reduce the power consumption of the elastic robotic fish and improve the efficiency.
Owner:HARBIN ENGINEERING UNIVERSITY SANYA NANHAI INNOVATION & DEVELOPMENT BASE +1

A high-efficiency gait control method for a four-legged robot dog based on biomechanical principles

This invention discloses an efficient gait control method for a quadruped robot dog based on biomechanical principles. By collecting and analyzing the gait characteristics of quadruped animals in nature, a more realistic reference can be provided for the design of the quadruped robot dog, making its gait closer to nature and improving the smoothness and stability of walking. By optimizing the gait model using simulation technology, an efficient and energy-saving gait pattern can be obtained, reducing energy consumption and improving walking speed and efficiency. At the same time, considering the hardware characteristics of the quadruped robot dog, the initial gait pattern is optimized through a gait generation algorithm to adapt it to different physical structures and movement capabilities, maintaining stable walking in complex environments. By applying specific calculation formulas and adjusting algorithm parameters, the energy consumption per step can be significantly reduced, improving overall energy efficiency. Multiple movement patterns can be generated to adapt to different environments and task requirements, effectively improving the robot dog's walking efficiency and reducing unnecessary energy consumption and movements.
Owner:GUANGZHOU UNIPOWER COMP

Intelligent inspection method, device and equipment for humanoid robot with bionic gaits

The invention provides a bionic gait humanoid robot intelligent inspection method, device and equipment, and the method comprises the steps: obtaining task point distribution data, determining an inevitable node sequence based on a coverage demand, and building an inspection state mapping table; constructing a path probability distribution tree by adopting probability backtracking, identifying a main path family and an alternative path family, and forming a probability inspection chain; decomposing an inspection chain into continuous road sections, extracting a traffic difficulty coefficient and a path complexity index, predicting gait energy consumption distribution, determining an obstacle avoidance beat, and generating a path compensation parameter; performing risk assessment on the road section, forming a risk balance scheme through hedging combination of a high-risk path and a safe path, and formulating a coordination rule; acquiring an inspection efficiency coordination factor based on path crossing and overlapping analysis, and generating a beat navigation parameter; a dynamic inspection unit is generated through matching of beat parameters and a probability inspection chain, the task arrival time is adjusted, an elastic inspection process is constructed, and intelligent autonomous inspection under bionic gait control is achieved.
Owner:NANJING DONGXIN HUIKE INFORMATION TECH CO LTD

Somatosensory gait synchronization control method, system, device and medium for game characters

The application provides a somatosensory gait synchronization control method and system for a game character, an electronic device and a medium. The gait synchronization control method comprises: acquiring a human action video, the human action video comprising a plurality of human action images; extracting features from the human action images using a feature point extraction model to obtain human joint point data; constructing a space-time feature matrix based on the human joint point data; analyzing and processing the space-time feature matrix using a gait phase analysis algorithm to obtain a gait control signal; and synchronously controlling the gait of a game character based on the gait control signal. The gait synchronization control method of the application can improve the accuracy of synchronization between human action gait and game character.
Owner:SHANGHAI DONGYU NEW MEDIA TECHNOLOGY CO LTD

Quadruped robot gait control method and device for step thin ice scene

The invention discloses a quadruped robot gait control method and device for a step thin ice scene, relates to the technical field of robot control, and mainly aims to improve the advancing efficiency of a robot. According to the main technical scheme, when the quadruped robot is in a horizontal advancing running state, laser ranging values of laser ranging lines at different angles are obtained in multiple continuous sampling periods through a laser radar arranged on the front portion of a robot trunk; according to a preset algorithm, respectively calculating horizontal distances and vertical distances corresponding to the laser ranging values in a plurality of continuous sampling periods; based on the vertical distance and the height of the quadruped robot, whether steps capable of being stepped exist in the to-be-marched direction or not is judged; when the step capable of being stepped exists, whether a thin ice risk exists on the step surface of the step capable of being stepped or not is determined according to the horizontal distances corresponding to the laser ranging values at different angles in the multiple sampling periods; if the thin ice risk exists, the quadruped robot is controlled to walk according to the anti-skid gait sequence to complete step crossing.
Owner:北京送变电有限公司 +1

Multi-scene-oriented lower limb exoskeleton gait control method and system

The invention discloses a multi-scene-oriented lower limb exoskeleton gait control method and system, and belongs to the technical field of gait recognition control, and the method comprises the steps: carrying out the discrete wavelet transformation of the collected hip joint angles of two legs of a lower limb exoskeleton, determining the gait event types and walking mode types of the two legs, and judging whether to generate a reset signal or not; estimating gait phases of the two legs by adopting double self-adaptive oscillators; when it is detected that the type of the generated gait event is the maximum hip joint stretching event, whether reset signals generated by the corresponding legs are detected at the same time or not is judged, and reset and correction are correspondingly carried out; according to the walking mode category of each leg, dynamically generating a reference auxiliary torque of the corresponding leg to complete gait control of the lower limb exoskeleton; and updating the parameters of the dual-adaptive oscillator, and returning to execute gait phase estimation until the process is ended. The method can be used for multi-scene walking aid, solves the problem of oscillator failure during motion mode switching, does not need training, is small in calculation amount, and has high robustness and accuracy.
Owner:ZHEJIANG UNIV OF TECH

Biped robot gait control method, device and equipment and storage medium

The invention discloses a biped robot gait control method, device and equipment and a storage medium. According to the technical scheme, the preset gait vector generation model is trained through the offline gait control data set, the target gait vector generation model is obtained, the training method does not depend on online interaction of a reinforcement learning environment, the model training process is stable, convergence is fast, interpretability is high, and the training efficiency is high. Through a reinforcement learning algorithm, according to the current state vector and the joint motion trail of the current gait cycle, the current control parameter is output to adapt to the current gait rhythm, the motion stability of the biped robot is guaranteed, the two processes of gait vector generation and control parameter generation are decoupled, and the motion stability of the biped robot is improved. The problem that a model is difficult to train after the stride frequency is put into a state vector is solved, and meanwhile, autonomous adjustment of the stride frequency of the biped robot, optimization of full-speed-domain energy efficiency, enhancement of robot gait control robustness and generation of humanoid natural gaits are achieved.
Owner:HANGZHOU ISOFTSTONE TIANQING ROBOT TECHNOLOGY CO LTD

Positioning mapping method and system of hexapod robot, storage medium and equipment

The invention discloses a positioning mapping method and system for a hexapod robot, a storage medium and equipment. The method comprises the steps that two-dimensional point cloud data, three-dimensional point cloud data and real-time attitude data are collected; when it is judged that any attitude angle exceeds a preset stable threshold value, a gait control instruction used for controlling the hexapod robot is generated; an improved Hector-SLAM algorithm is adopted to process the two-dimensional point cloud data to generate a two-dimensional grid map, and an ORB-SLAM3 algorithm fused with YOLOv8 target detection and introduced with a dynamic point grading rejection mechanism is operated to process the three-dimensional point cloud data to generate a three-dimensional point cloud map; performing weighted fusion on the map to obtain a fused environment map; path planning is conducted according to the fusion environment map and the current positioning result, foot end track points are generated through forward and inverse kinematics solution, the hexapod robot is controlled to move, and continuous positioning and mapping are achieved. Through motion control and multi-algorithm fusion, stable and accurate autonomous positioning and mapping of the hexapod robot in a dynamic environment are realized.
Owner:NANCHANG HANGKONG UNIVERSITY +1

Autonomous gait control method and system for a multi-legged robot

PendingCN122632604ATarget controlSimulation
The present application relates to the field of robot motion control technology, especially to a kind of multi-legged robot autonomous gait control method and system.The method obtains the fixed-length history sequence of proprioceptive state and encodes into low-dimensional latent variable, inputs the low-dimensional latent variable and target motion speed instruction into policy network to generate joint target control quantity;According to the current energy consumption index and energy consumption reference quantity, generate hysteresis weight, and based on the hysteresis weight, construct latent variable hysteresis reward item to participate in reinforcement learning training, so as to inhibit invalid gait jump, improve the stability of autonomous gait switching.
Owner:SHENZHEN YUYUE EXTREME TECHNOLOGY CO LTD

A bionic gait humanoid robot intelligent inspection method, device and equipment

The application provides a bionic gait humanoid robot intelligent inspection method, device and equipment, task point distribution data is acquired, a necessary node sequence is determined based on coverage requirements, and an inspection state mapping table is established; a path probability distribution tree is constructed by using probability backtracking, a main path family and an alternative path family are identified, and a probability inspection chain is formed; the inspection chain is decomposed into continuous road sections, a traffic difficulty coefficient and a path complexity index are extracted, gait energy consumption distribution is predicted, an obstacle avoidance beat is determined, and path compensation parameters are generated; risk assessment is performed on the road sections, a risk balance scheme is formed by hedging combination of high-risk paths and safe paths, coordination rules are formulated; an inspection efficiency coordination factor is acquired based on path intersection overlap analysis, beat navigation parameters are generated; dynamic inspection units are generated by matching the beat parameters and the probability inspection chain, task arrival timing is adjusted, an elastic inspection process is constructed, and intelligent autonomous inspection under bionic gait control is realized.
Owner:NANJING DONGXIN HUIKE INFORMATION TECH CO LTD