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• Development and integration of a broccoli selective harvesting robot.
• Designed an end-effector incorporates human-like clamping and cutting function.
• Implemented the safe and efficient movement of the manipulator based on ROS.
• ...

The agronomic characteristics of broccoli necessitate selective harvesting in multiple batches, highlighting an urgent need for a selective harvesting robot to alleviate labour constraints. However, current research has inadequately addressed the ...

Service robots are now common in restaurant food delivery. However, machines aren’t always stable and may encounter errors, causing a loss of trust. Typically, when people make an error, they apologize and are forgiven. We were curious about how people ...

This paper proposes a decoupling control algorithm based on dual force sensors to address the coupling between force and motion of end-effector, industrial robots, and end-effector series connection, friction, and coupling forces caused by ...

• Eight new end-effectors for harvesting based on scissor mechanisms are proposed.
• All the end-effectors can be driven by only one motor.
• The end-effectors own good versatility due to their scalable structural features.
• The end-...

Due to the escalating labour cost, manually harvesting of crops like apples, tomatoes and peppers, has become increasingly arduous and unsustainable. Automated harvesting employing contemporary robotic systems has emerged as a promising solution. ...

• This review fills a gap in the application of bionics to agricultural harvesting.
• The applications of bionic algorithms in agricultural harvesting were summarized.
• The key experimental means of bionic harvesting technology were ...

In the context of natural selection, organisms have evolved various excellent characteristics that can guide improved design optimization in engineering. Scholars at home and abroad have carried out a large number of efficient and favorable ...

The surface snowpack in polar regions serves as a vital medium for reconstructing past climates, analyzing present conditions, and predicting future environmental changes. Presently, surface snow sampling in polar regions is predominantly manual, posing ...

• Vision system detects the position of overlapping mushrooms.
• Multi-stage flexible end-effector improves picking success and breakage rates.
• Classification of mushroom clusters based on growth density.
• Intelligent picking ...

The disorganized and densely growing Agaricus bisporus remains challenging for robotic harvesting. Aiming at the lower efficiency, lower success rate, and higher breakage rate in the robotic harvesting process, we propose a fully integrated, ...

• A new active compliant force-controlled end-effector based on series elastic actuator is designed for robotic grinding of curved surfaces.
• The influences of the elastic component and the grinding tool stiffnesses on the dynamic ...

High-accuracy, fast-response, and low-overshoot force control are important to guarantee the material removal accuracy and surface quality of robotic compliant grinding. In order to achieve the above target, this study develops an active ...

Aiming at the application of robots in intelligent agriculture, this paper proposes a method of picking grapes by robots based on deep learning, uses depth camera for visual positioning of grapes, and designs a picking end-effector for picking tests. ...

Robot technology is considered one of the most promising technologies to achieve intelligent production, with picking robots being the most common type. Picking robots are highly integrated mechatronic systems, which autonomously complete tasks ...

This paper presents a human-centered approach for an efficient cucumber-harvesting robot system. Specifically, harvest ordering, visual servoing, and end-effector-based manipulation functionalities were integrated to realize efficient ...

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• The proposed human-centered approach can mimic human harvesting methods.
• ...

• A robotic cotton harvester with a three-finger end-effector was developed and tested.
• A closed-loop control algorithm with shorter and fewer substeps performed best.
• Manipulating the end-effector wisely led to faster and cleaner ...

Cotton is conventionally harvested with large and costly harvesters once at the end of the growing season. Fiber in the early-opened bolls is left on the plants till the end of the season to be harvested, resulting in its exposure to weather and ...

A robotic polishing system is usually composed of an industrial robot (macro-robot) and an end-effector (micro-robot), called a macro-micro robotic system. The macro-robot is mainly responsible for path tracking, while the micro-robot implements ...

This paper presents the development of an integrated grapple chain for a simultaneous three-fingered end-effector. The geometrical constraint with four stages is firstly defined. Then, a grapple finger is presented to fulfill the proposed four ...

This paper proposes a force-controlled end-effector with slender flexible beams. On the one hand, it can actively control the deformation of slender flexible beams to output a constant force at the end-effector without using a force sensor. On the ...

• A novel bud thinning mode for Agaricus bisporus mushrooms was proposed.
• Analyzed dynamic swing action and verified separation operation feasibility.
• An end-effector of bud thinning with steering, separation and removal mechanisms ...

Removing some of the overly dense buds of Agaricus bisporus in factory-cultivated mushroom beds through a process called bud thinning, as required by agronomy, can improve the top-grade product rate and yield and reduce the waste of production ...

• Recent achievements on robotic technologies for crop farming are systematically reviewed.

It has become a common understanding that robotization could be one of effective solutions to address the increasing skilled labor shortage challenge in crop production, thus the research and development of agricultural robotic ...

The meat dissection is yet a labor-intensive operation in the poultry industry all around the world, and the technologies making it unmanned are emerging. A low-cost robotic poultry meat dissection processing cycle, and its end-effector, are ...

Aiming at the problems of low success rate and large damage in grasping spherical fruits and vegetables, this paper proposed a novel end-effector system based on data-driven control (DDC). According to the actual working conditions, the mechanical ...

• Highlighted the status and challenges in developing a robotic pruner.
• Recent ...

Automation and robotics have been widely applied in many agricultural operations; however, the production operations of apple trees are usually performed manually. Pruning is one of the most labor-intensive operations, accounting for ...