An Experimental Approach to the Linear Actuator with a Finite Difference Equation on the Temperature Domain

1978 ◽  
Vol 56 (8) ◽  
pp. 1109-1115 ◽  
Author(s):  
Robert Lacroix

We have briefly examined several studies which have been made concerning the introduction of an elementary length l0 and an elementary time interval t0 into physical theories. We have discussed the arguments which we have found, arguments formulated by other authors, and which support the hypotheses concerning the existence of l0 and of t0. A finite difference equation is proposed and the solutions of some problems of movement in one dimension are given.


Fractals ◽  
1999 ◽  
Vol 07 (03) ◽  
pp. 277-282 ◽  
Author(s):  
RAY BROWN

In this letter, we present a general method for solving a wide range of nonlinear functional and finite difference equations, as well as iterated equations such as the Hénon and Mandelbrot equations. The method extends to differential equations using an Euler approximation to obtain a finite difference equation.


Author(s):  
M.L. Ioffe

The Ackermann principle was developed when it became possible to separately control the four wheels of a moving object in the process of turning. In this case, two tasks arose. The first task was to control the wheels to ensure their pure rolling when the object is turned. The solution of this problem was in the Ackermann principle. The second task was to implement this principle in a specific mechanism. The paper analyzes the mechanisms common in modern cars in order to assess their compliance with the Ackermann principle. The method of analysis was in generating and modeling a finite-difference equation describing the process of transferring the movement of the steering wheel to the movement required to turn the wheels.


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