This research focuses on the dynamic analysis of an oscillating conveyor mechanism using numerical methods to solve nonlinear differential equations that govern its motion. The system under study is modeled by a second-order equation form R(t)dω1dt+Q(t)ω12(t)=W(t), where R(t), Q(t), and W(t) are time-dependent functions representing parameters such as resistance, damping, external driving forces. To these equations, we employed approach based Euler’s method, which discretizes time domain...

This paper presents the implementation, trajectory planning, kinematics, and experimental validation of an open-source 3D-printed delta robot manipulator. The robot’s hardware consists three servo motors, Arduino Uno microcontroller, a Pulse Width Modulation (PWM) module. software includes trapezoidal velocity profile planner inverse forward kinematics solver to calculate motor angles required achieve desired end-effector position in task space. 3D printed parts were obtained from...

This paper presents a dynamic model for the oscillating conveyor mechanism, governed by differential equation that describes system’s motion under influence of both driving and resisting torques. The resistive torque Mr is modeled as linear function angular displacement φ6, while Md incorporates damping term proportional to velocity ω1 . inertial properties are captured through time-dependent terms such A(t), B(t), D(t), E(t), F(t), H(t), N(t), M(t), Q(t), R(t),...

This study presents the kinematic synthesis of planar mechanisms using precision point analysis for three, four, and five target positions. The research explores application graphical techniques to design that accurately follow prescribed motion paths. Various configurations are examined, comparing their synthesized with theoretical points evaluate accuracy feasibility proposed designs. Additionally, numerical optimization methods considered refine results improve fidelity. also extends...

This study presents a comprehensive numerical analysis of the interaction between metal bridge superstructure and rolling stock, focusing on dynamic stability empty freight gondola cars with worn wheel profiles. Using finite element modeling validated experimental data, research identifies critical speed thresholds at which transverse oscillations become hazardous. Results indicate that for speeds up to 80 km/h, safe operation is maintained under normal conditions. However, 90 resonance...

This research addresses the problem of initial synthesis kinematic chains with spherical pairs, which are essential in design spatial mechanisms used robotics, aerospace, and mechanical systems. The goal is to establish existence solutions for defining geometric motion constraints these chains, ensuring that synthesized mechanism achieves desired precision. By formulating terms nonlinear algebraic equations derived from positions orientations links, we analyze conditions under a valid...

This research addresses the problem of initial synthesis kinematic chains with spherical pairs, which are essential in design spatial mechanisms used robotics, aerospace, and mechanical systems. The goal is to establish existence solutions for defining geometric motion constraints these chains, ensuring that synthesized mechanism achieves desired precision. By formulating terms nonlinear algebraic equations derived from positions orientations links, we analyze conditions under a valid...

This article presents a new selective method for identifying faulty feeder in 6–35 kV electrical distribution networks with isolated neutral configuration during single-phase ground faults (SPGFs) transient resistance. The is based on simultaneous comparison of the zero-sequence current (ZSC) angle and magnitude across all outgoing feeders substation buses. Unlike conventional protection approaches relying solely amplitude or direction, proposed algorithm enhances sensitivity selectivity by...

This paper addresses the problem of synthesizing four-link initial kinematic chains with rotational pairs for designing flat lever mechanisms specified motion laws input and output links. The proposed method formulates synthesis as an optimization process involving three moving planes Q, Q1 Q2. Each plane performs distinct motions: Q is fixed, rotates around a point A, Q2 undergoes plane-parallel motion. goal to determine optimal position A∈Q, B∈Q1 C∈Q2 such that distance between points B C...

The double pendulum is a well-known system exhibiting nonlinear dynamics and chaotic behavior. This study extends the conventional rigid by introducing elastic extensions in links, leading to known as pendulum. mathematical model incorporates both rotational translational motion, accounting for deformations using Hooke’s Law. governing equations are derived Lagrangian mechanics, considering gravitational spring potential energy contributions. Numerical simulations performed compare motion of...

Since the creation of first parallel electrical power systems around world, rotor angle stability synchronously operating generators has been one most crucial and challenging problems. In modern electricity networks, involving Kazakhstani, where renewable energy technologies are rapidly penetrating, issue takes on even greater importance due to technical shortcomings inverter-based generation. this framework, an analysis transient was carried out when replacing existing synchronous with...

Design process can be divided into stages of analysis and synthesis. This paper presents the application object-oriented technique to as well theoretical considerations concerning design gear size ranges. consists in decomposition designed artefact (a gear) according rule “from general details view”. The basics were formulated. Furthermore, phases objects related theses discussed. following models have been considered: hierarchical model, entity-relationship data-flow model object model....

The paper suggests application of an experimental method for the assessment dynamic effect a locomotive underframe on railway track. is to be based spectral analysis response structural elements track undergoing shock pulse. Application digital measuring systems monitoring motion train also proposed.

Shock absorbers are intended for developing forces providing the elimination or reduction of amplitude cars their parts fluctuations. On CIS railroads, wedge-type shock absorber became most wide-spread in trucks freight cars. In friction absorbers, force arises vertical and horizontal movements wedges rubbing on plates fixed columns truck sidewalls. article, modeling dynamic characteristics a car with optimized parameters is performed. The performed by means software complex studying...

The purpose of the study is to establish compliance design modernized car with requirements for safe operation. An option has been proposed upgrading a passenger wagon Mobile Diagnostic Complex transporting combined vehicle equipped appropriate flaw detection equipment intended rail diagnostics. authors have established most optimal locating diagnostic on board (MDC) wagon, taking into account additional load from vehicle. To achieve this goal, article developed three-dimensional model...

In the proposed article, issues of increasing synchronizing ability system coordinated rotation asynchronous motors are considered. Based on T-shaped equivalent circuit, electromechanical relationships were obtained with changes in value total rotor resistance and supply voltage individual motors. An algorithm for calculating torques, stator currents has been compiled. calculations obtained, mechanical characteristics constructed various values resistance, voltages positions. The data graphs...

Since the creation of first parallel electrical power systems around world, rotor angle stability synchronously operating generators has been one most crucial and challenging problems. In modern electricity networks, including in Kazakhstan, where renewable energy technologies are rapidly emerging, issue takes on even greater importance due to technical shortcomings inverter-based generation. this framework, an analysis transient was carried out when replacing existing synchronous with...

Stress waves propagate in soil case of earthquake and man-made effects (traffic flow, buried explosions, shield-driven pipes tunnels, etc.). The wave point-sources are those located at the distances equal to more than two lengths, which significantly simplifies solving a problem these waves’ strength evaluation. Distribution stress displacement by propagation elastic medium is complex pattern. distribution propagating depends on type form source, conditions source contact with medium,...

The article describes a complex of robots designed and manufactured at the Institute Mechanics Machine Science for hospital environment, consisting transport robot two functional robots: assistant disinfection robot. is to measure temperature blood pressure, automate transportation medicines, bed linen, food, etc. using With help scissor mechanism able adjust height trays, devices measuring pressure. in enclosed spaces. UV lamps with rotating 180 degrees reflectors, allow work modes: direct...

Linkwork, in its early applications, consisted mainly of revolute-connected members and was widely used for converting the continuous rotation a water wheel into reciprocating motion suited to piston pumps. The piston-cylinder combination at end line represents prismatic pair, course, but ahead this there are only revolute connections generally associated with linkwork. Agricola's arrangements show pump-power source point work-fairly close together. Such compactness did not always prevail;...