Topic
Dynamic braking
About: Dynamic braking is a research topic. Over the lifetime, 3472 publications have been published within this topic receiving 34897 citations. The topic is also known as: Rheostatic brake.
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19 Oct 2003
20 citations
03 Apr 2006
19 citations
Patent•
01 Nov 2000TL;DR: In this article, a pair of shoes are expanded by driving an electric brake motor, and the actual braking torque becomes equal to a target braking torque that is determined in accordance with the amount of operation of a brake pedal.
Abstract: A pair of shoes are expanded by driving an electric brake motor. Due to the friction engagement of the shoes with a drum inner peripheral surface, a braking force is applied to a wheel. An actual braking torque is detected by a strain sensor that detects the load applied to an anchor pin. Through a feedback control using the actual braking torque, the electric motor is driven and controlled so that the actual braking torque becomes equal to a target braking torque that is determined in accordance with the amount of operation of a brake pedal. When the actual braking torque is undetectable, for example, during a stop of a vehicle, the electric motor is driven and controlled through an actuating force control using the current through the electric motor that is detected by a motor current sensor. The braking torque control apparatus controls the actual braking torque to a magnitude corresponding to brake operation, regardless of the magnitude of the coefficient of friction between a friction engagement member and brake rotor. Even when the braking torque is undetectable, the apparatus executes brake control in a good manner.
19 citations
Journal Article•
TL;DR: In this article, a thermal and stress analysis of disc brakes under specific loads (driving downhill and braking to a standstill) was calculated using the finite element method (FEM).
Abstract: Thermal and stress analysis of disc brakes under specific loads (driving downhill and braking to a standstill) was calculated. The FEM (Finite Element Method) was used to carry out the analysis. The analysis dealt with centrifugal load for two cases of braking, braking to a standstill on a flat surface and braking downhill, maintaining constant speed and afterwards braking to a standstill. The main boundary condition in both cases was the entered heat flux on the braking surface of the disc and the force of the brake clamps. Two different discs were used, one brand new (unused) and one with permitted wearing.
19 citations
Patent•
06 Jun 1988
TL;DR: In this paper, a thermal head block is moved into and out of pressure contact with a platen roller through a cam mechanism which is driven by a controlled DC motor alternately effects dynamic braking and negative phase braking before the thermal head is pressed upon the platen rollers.
Abstract: A thermal printer in which a thermal head block is moved into and out of pressure contact with a platen roller through a cam mechanism which is driven by a controlled DC motor. The DC motor alternately effects dynamic braking and negative-phase braking before the thermal head is pressed upon the platen roller.
19 citations