DESIGN OF CONTROL SYSTEM FOR ELECTRIC MOTOR OF TWO-STROKE HYBRID 800CC INTERNAL COMBUSTION ENGINE

The presence in operation of many prototypes of UAVs with propeller propellers, the use of such devices at relatively low altitudes and flight speeds makes the problem of noise reduction from UAVs urgent both from the point of view of acoustic imperceptibility and ecology.The aim of the work is to determine a set of methods that help to reduce the visibility of UAVs in the acoustic range. It is shown that the main source of noise from the UAV on the ground is the power plant, which includes the engine and the propeller. The parameters of the power plants influencing the processes that determine the acoustic signature of the UAV were investigated. A comprehensive analysis of the factors affecting visibility was carried out. The power plants include two-stroke and four-stroke engines, internal combustion and two-blade propellers. The use of silencers on the exhaust of the internal combustion engine was considered. The spectral characteristics of the acoustic fields of the propeller-driven power plants for the operating sample of the UAV "Eco" were obtained. The measurements were carried out in one-third octave and 1/48 octave frequency bands under static conditions. The venue is the KhAI airfield. Note that the propellers that were part of the power plants operated at Reynolds numbers (Re0,75<2*105), which can significantly affect its aerodynamic and acoustic characteristics. It is shown that when choosing a UAV control system, one should take into account the fact that two-stroke piston engines are the dominant source in the noise of propeller-driven control systems in the absence of a hood and mufflers in the intake and exhaust tracts. The use of a four-stroke internal combustion engine significantly reduces the noise of the control system. In the general case, the position of the boundaries of the zone of acoustic visibility of a UAV at the location of the observer is determined by the ratio between the intensity of acoustic radiation perceived by the observer from the UAV and the intensity of sound corresponding to the natural acoustic background and depends on the degree of manifestation of acoustic effects accompanying the propagation of sound in a turbulent atmosphere - the refraction of sound waves. Absorption and dissipation of acoustic energy. The calculation and comparison of the UAV detection range was carried out taking into account the existing natural maskers.The results of experimental studies are presented that allow assessing the degree of acoustic signature of the UAV. A set of measures aimed at reducing the intensity of the acoustic signature of the UAV in various regions of the radiation spectrum has been determined.

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CONVERTING THE VEHICLE BY REPLACING THE INTERNAL COMBUSTION ENGINE

Avtoshliakhovyk Ukrayiny ◽

10.33868/0365-8392-2019-4-260-29-35 ◽

2019 ◽

pp. 29-35

Author(s):

Oleksandr Gryshchuk ◽

Volodymyr Hladchenko ◽

Uriy Overchenko

Keyword(s):

Internal Combustion Engine ◽

Electric Vehicle ◽

Electric Motor ◽

Combustion Engine ◽

Internal Combustion ◽

Environmental Safety ◽

Environmental Conservation ◽

Sales Forecasts ◽

Financial Investments ◽

Near Future

This article looks at some comparative statistics on the development and use of electric vehicles (hereinafter referred to as EM) as an example of sales and future sales forecasts for EM in countries that focus on environmental conservation. Examples of financial investments already underway and to be made in the near future by the largest automakers in the development and distribution of EM in the world are given. Steps are taken to improve the environmental situation in countries (for example, the prohibition of entry into the city center), the scientific and applied problem of improving the energy efficiency and environmental safety of the operation of wheeled vehicles (hereinafter referred to as the CTE). The basic and more widespread schemes of conversion of the internal combustion engine car (hereinafter -ICE) to the electric motor car (by replacing the gasoline or diesel electric motor), as well as the main requirements that must be observed for the safe use and operation of the electric vehicle. The problem is solved by justifying the feasibility of re-equipment of the KTZ by replacing the internal combustion engine with an electric motor. On the basis of the statistics collected by the State Automobile Transit Research Institute on the number of issued conclusions of scientific and technical expertise regarding the approval of the possibility of conversion of a car with an internal combustion engine (gasoline or diesel) to a car with an electric motor (electric vehicle), the conclusions on the feasibility of such conclusion were made. Keywords: electricvehicles, ecological safety, electricmotor, statistics provided, car, vehicle by replacing.

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Internal combustion engine control system research at ford

10.1109/cdc.1981.269499 ◽

1981 ◽

Cited By ~ 3

Author(s):

W. Powers

Keyword(s):

Control System ◽

Internal Combustion Engine ◽

Combustion Engine ◽

Internal Combustion ◽

Engine Control ◽

System Research ◽

Engine Control System

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Dynamic Simulation and Control of a New Parallel Hybrid Power System

Applied Sciences ◽

10.3390/app10165467 ◽

2020 ◽

Vol 10 (16) ◽

pp. 5467

Author(s):

Po-Tuan Chen ◽

Cheng-Jung Yang ◽

Kuohsiu David Huang

Keyword(s):

Fuzzy Logic ◽

Power System ◽

Internal Combustion Engine ◽

Dynamic Simulation ◽

Electric Motor ◽

Fuzzy Logic Controller ◽

Simulation Analysis ◽

Combustion Engine ◽

Internal Combustion ◽

Power Sources

To avoid unnecessary power loss during switching between the various power sources of a composite electric vehicle while achieving smooth operation, this study focuses on the development and dynamic simulation analysis of a control system for the power of a parallel composite vehicle. This system includes a power integration and distribution mechanism, which enables the two power sources of the internal combustion engine and electric motor to operate independently or in coordination to meet the different power-output requirements. The integration of the electric motor and battery-charging engine reduces the system complexity. To verify the working efficiency of the energy control strategy for the power system, the NEDC2000 cycle is used for the vehicle driving test, a fuzzy logic controller is established using Matlab/Simulink, and the speed and torque analysis of the components related to power system performance are conducted. Through a dynamic simulation, it is revealed that this fuzzy logic controller can adjust the two power sources (the motor and internal combustion engine) appropriately. The internal combustion engine can be maintained in the optimal operating region with low, medium, and high driving speeds.

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4781165 Internal combustion engine pollutant control system

Environment International ◽

10.1016/0160-4120(90)90238-2 ◽

1990 ◽

Vol 16 (1) ◽

pp. VI

Keyword(s):

Control System ◽

Internal Combustion Engine ◽

Combustion Engine ◽

Internal Combustion

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Modeling of the motion control system of an unmanned tracked vehicle with onboard gear units

10.36652/0042-4633-2021-11-15-19 ◽

2021 ◽

pp. 15-19

Author(s):

Keyword(s):

Control System ◽

Internal Combustion Engine ◽

Motion Control ◽

Combustion Engine ◽

Internal Combustion ◽

Control Device ◽

External Control ◽

Programmable Logic ◽

Cruise Control ◽

Tracked Vehicle

The results of a study of the control processes of an automated transmission and internal combustion engine of a transport unmanned tracked vehicle when the speed of movement is set by an external control device are presented. Keywords: unmanned tracked vehicle, algorithm, motion control, onboard gear unit, programmable logic controller, cruise control. [email protected]

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Actualization of the problem of developing an electronic control system for the oxygen sensor heater of an automobile internal combustion engine

IOP Conference Series Materials Science and Engineering ◽

10.1088/1757-899x/986/1/012050 ◽

2020 ◽

Vol 986 ◽

pp. 012050

Author(s):

V V Debelov ◽

V N Kozlovsky ◽

D V Aydarov ◽

P.S Cvetkov

Keyword(s):

Control System ◽

Internal Combustion Engine ◽

Oxygen Sensor ◽

Combustion Engine ◽

Internal Combustion ◽

Electronic Control ◽

Electronic Control System

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Credit to the Bicycle

Mechanical Engineering ◽

10.1115/1.2010-jul-5 ◽

2010 ◽

Vol 132 (07) ◽

pp. 40-44

Author(s):

Frank Wicks

Keyword(s):

Internal Combustion Engine ◽

Electric Power ◽

19Th Century ◽

Electric Motor ◽

Combustion Engine ◽

Internal Combustion ◽

Technological Innovations ◽

Full Circle ◽

Electric Bicycle ◽

The 19Th Century

This article focuses on the engineering credit that should be given to the bicycle designs and its hand in today’s technological innovations. Design improvements during the first 90 years of the bicycle’s history provided much of the initial technology that was extended to modern motorized forms of transportation. More important than the bicycle’s effect on the close of the 19th century was its influence on the 20th. The most common hybrid vehicle of the future may not be the now familiar four-wheel automobile combining an internal combustion engine and electric motor, but the electric bicycle that can be powered either by a rider’s muscles or energy stored in a battery. A development like that would be almost full circle. The only difference between that future and the first safety bicycle would be that electric power was harnessed along the way.

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