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Lawn mowing is one of the most essential tasks required for most homeowners, requiring a significant investment of time and resources to accomplish properly. A lawn mower is a machine that is used to cut grass in a lawn. The blades of the lawn mower are generally powered by pushing the mower forward. Lawn mowers are classified based on different criteria. For example, according to the axis of rotation of blades we may have reel lawn mowers.
A traditional lawn mower is the height of the grass cut cannot be adjusted spontaneously because the height adjustment of the rotor blade is done by lifting the whole deck with the help of wheel support and this mechanism takes time at least (4-5 minutes) to adjust the rotor. The components that are used are motor, gear arrangement, cam, chain and sprocket, lead screw, wheel, control unit
There are primarily two categories of mowers, namely the reel mowers, and the rotary mowers. The reel (cylindrical) mowers seem to be better. Made of blades on a revolving cylinder, they achieve clean cuts by scissors action. As the mower moves forward, the rotating blades come in contact with a stationary bar called the bed knife and placed parallel to the ground.
In recent years, this has given rise to attempts to make lawn mowers more robotic and more autonomous, resembling the automated vacuum cleaners. There are a number of technical and system-level challenges with doing this for lawn mowers.
Robot lawn mowers currently available on the market mostly use a bounding cable that is installed at the edges of the lawn and around obstacles. This allows the robot to stay on the grass and not hit any obstacles. Installing this cable can be costly and time consuming, and it is difficult to change once in place.
Making the process of cutting grass easier over the years, many individuals have added modification to the original design speed, efficiency, and power of a mowing machine.
Pollution has been a major concern around the world. A basic human intervention as part of root causes can be seen starting from our own homes. This aspect of importance towards emissions can be viewed within the lawn mowers that help in maintaining the aesthetic requirements.
The Gas powered lawn mowers due to the emission of pollutants at high concentrations, stands to be an imminent root element for air contamination. With the increasing fuel costs and pollution emissions, it has been a low efficiency based choice in recent days. So the Solar powered lawn cutters have been introduced as a dynamical change in the market.
Making the process of cutting grass easier over the years, many individuals have added modification to the original design speed, efficiency, and power of a mowing machine. The solar powered lawn mower is an improvement on cordless electric lawn mower.
The sun provides a sustainable amount of the energy used for various purposes on earth for the atmospheric system. The solar powered lawn mower is based on the same principle that other early inventions of lawn mowers work on.
Over the years, there have been numerous developments in lawn mower technology. But with technological advancement there also arises the need to check the impact of machines on the environment as well as on man. Pollution is the major concern with the conventional gas-powered lawn mower. Human effort is another factor that needs to be reduced.
There has been recent integration of the increased requirements of lawn mower on an industrial front which has brought upon the recent market change towards tele-autonomous heavy duty robotic lawn mower. It concerned the development of a heavy-duty lawn mowing machine that was richly instrumented with sensors and computational support. This provided a hybrid capability between pure tele-operation and full automation.
The recent requirements of positioning and better power systems within the lawn mower system has also brought significant changes which includes local positioning system (LPS) which allows the mower to know where it was in the yard. All the integrated sensors are combined so that the mower can make informed decisions about its environment.
The Global Lawnmower Market can be segmented into following categories for further analysis.
The Lawn Mower technologies have developed in terms of their increased usage and preference towards preserving the environment in a sustainable manner. Thereby recent integrations have been to give upon a energy efficiency based usage and composition of fuel.
There has been a recent integration of the solar powered vision within the Robotic Lawn Mower. It has the design of a microcontroller and sensor based robotic lawn mower mechanism. This robotic mowing device, which is solar powered, gets its battery charged from sunlight while mowing on the lawn or even manually. Ultrasonic sensors have been used for avoiding obstacles and humidity sensors for checking humidity level in the lawn.
The integration of solar panel and solar photovoltaic cells to run an electric motor has also been done in recent times considering the attainment of SDG requirements within the organizational manufacturing capability. The electric motor was coupled to the cutting blades. The photons from the sun hit the photovoltaic cell and as a result, flow of electrons starts leading to direct current.
The Automated height adjustable lawn mower was also made which gave a prospective view of performing automated height adjustment in accordance with the sensor signals used in the machine. An Arduino board was used to control the speed of the rotor blade and obstacle detection. This, in turn, is used for better coordination of height segments.
The Integration of GPS within the lawnmower system has been of recent advantage considering large areas of mowing requirements in the industrial aspects. This was termed to be a Global Positioning System (GPS) aided autonomous lawnmower.
It consisted of a modified DGPS (Differential global positioning receiver system), a modified chassis, new wheel encoders, a more advanced control system, digital compass, and a safety system. Furthermore acoustic sensors and a laser ranging system had been added in order to supply obstacle detection capabilities.
Toward the development of autonomous/semi-autonomous mowing systems, a set of differential elements considered several different modes for optimal path planning, including minimal working time, minimal energy consumption, and mixed operation.
Lawn mowers are of major importance within the aesthetic requirements in domestic and commercial aspects. This has been focused within the market around the aspects of fuel usage classification based competition to have a better sustainability in the future market. Thereby several companies have started integrating the automation with several categories of hybrid systems of fuels and sensors to increase its operational value.
Husqvarna, the leading retailer of robot lawn mowers in Sweden has been recently involved in integrating different sets of sensor and technology-based requirements. It has recently integrated the addition of ultrasonic sensors and GPS-supported navigation. It has also been loaded with features including all-wheel drive, Bluetooth, cellular, and a pivoting rear end / ultra-quiet battery-powered motor.
The Ego manufactured LM2150 SP is a semi-automatic lawn mower which has recently entered into the market with major advancements in terms of capacitance of multi blade cutting systems. The mulching blade is mounted on it, and that was the blade we used to deliver the cut surface measurement recorded above–a very respectable piece of grass. It is equipped with the extended run blade and designed to go for 75 minutes on one charge of its 10Ah battery.
The TORO manufactured Super recycler Lawn Mower has been focusing upon the various aspects of heavy duty cutting mechanism. This self-propelled walk-behind mower is easy to maneuver and since it’s self-propelled with a flex handle suspension, it helps reduce physical fatigue when doing larger or sloped lawns. It’s an all-terrain workhorse that allows for versatility with three-in-one cutting offering of rear bagging collection, side discharge or as recycler mulching wherein the clipping accelerators shave clippings to a fine mulch which can be a good lawn fertilization element.
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