Jianye Guo

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This paper takes one kind of 3-TPT parallel robot as the object to study. It mainly analyzes the posture error of movable platform influenced by the parallelogram mechanism of parallel robot. Firstly, on the basis of introducing the structure of parallel robot, the kinematics equation of the parallelogram mechanism of this parallel robot is analyzed and(More)
This paper takes the design calculation of beams as the object of study, the theoretical design formulas of various forms of beams under different stressful condition are derived from the initial parameter method, and the design calculation is programmed into special software with the procedure form based on the obtained theoretical formulas to realize the(More)
The continuum structure topology optimization design has been research hot spot and the difficulty in the structure optimization design. This article uses the reliability theory and the ESO method to solve the program of the reliability-based topology optimal design of continuum structural. The mathematical model is established and the perturbation method(More)
This article discussed the problem of reliability-based topology optimization design (RBTO), combined evolutionary structural optimization (ESO) and the reliability analysis method based on the stochastic finite element method (perturbation), established the mathematical model of reliability-based topology optimization design. The reliability constraint is(More)
This paper takes one kind of 3-TPT Parallel Machine Tool (PMT) as the object to study. It mainly analyzes the influence of the posture error of PMT movable platform on its position error. Firstly, on the basis of introducing the structure of PMT, the kinematics of this machine is analyzed, and the kinematics equation of the parallel mechanism is obtained.(More)
This paper introduces the structure, requirements, working principle and design principles of the V-belt pulley absorber in the automobile engine. The formula has been deduced to generate the torsional vibration frequency response characteristics curve of the crankshaft in automobile engine. And the different influences to antivibration effect have been(More)
In this paper, one kind of 3-UPS parallel robot is researched. At first, the inverse matrix of Jacobian is obtained according to the inverse kinematics equation of parallel robot, and then the condition number of Jacobian matrix is acquired. Then, it takes the condition number of Jacobian matrix as measurable index to analyze the processing dexterity of(More)
The effect of thermohydrogen treatment on machinability of TC21 alloy has been studied by turning a group of TC21 alloy testing workpieces with different hydrogen content, measuring cutting force and surface roughness as well as observing chip morphology. Results of this experiment reveal that machinability of TC21 alloy improves with increasing hydrogen(More)
This paper takes a 3-UPS Parallel Machine Tool (PMT) as the object to study, and it mainly analyzed the singularity of machine in the workspace. Firstly the kinematics of this machine is analyzed on the basis of introducing the structure of PMT, the kinematics equation of PMT is established, and further the Jacobian matrix of PMT is obtained. Then the(More)