Mechanical and electrical inertia simulation tire brake test bench and electrical inertia simulation control method
A braking test and simulation control technology, which is applied in the direction of automobile tire testing, mechanical component testing, machine/structural component testing, etc., can solve problems affecting test accuracy and generating system inherent resistance torque, etc.
Active Publication Date: 2015-10-28
CHINA NAT HEAVY MACHINERY RES INSTCO
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Problems solved by technology
[0005] Due to the influence of mechanical friction and wind resistance during the operation of the mechanical drum system of the test bench, the inherent resistance moment of the system will be generated, which will affect the test accuracy
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Embodiment Construction
[0063] Such as figure 1 As shown, the mechanical and electrical inertia simulation tire brake test bench is characterized in that it includes at least a speed sensor 1, a drive motor 2, a torque sensor 3, a drum device 4, a tire speed sensor 5, a test tire and a brake 6, Mechanical friction braking torque measuring device 7, load cell 8, movable frame 9, fixed frame 10, electric transmission control unit 11 and electric inertia simulation control unit 12; The torque sensor 3 is used to measure the output torque of the motor, the shaft end is equipped with a speed sensor 1 for measuring the rotating speed of the motor and the drum, and a mechanical friction braking torque measuring device 7 is installed between the tested tire and the brake 6 and the machine head 13. To measure the mechanical friction moment of the brake, a load cell 8 is installed between the head 13 and the movable frame 9 to measure the loading force acting on the tire. The movable frame 9 is installed on th...
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The invention belongs to a mechatronics system, and relates to electrified transmission simulation of a mechanical slew inertia system, in particular to a mechanical and electric inertia simulation tire braking bench and an electric inertia simulation control method. The angular velocity of a drum wheel and the output torque of a motor are acquired synchronously; the total energy which the motor should compensate is calculated according to a mathematic model, the total energy which the motor already compensates is calculated at the same time, and the difference between the total energy which the motor should compensate and the total energy which the motor already compensates is obtained; the torque output value of the motor is calculated according to the difference so that the machine and electric inertia simulation tire braking bench can operate in the state that the machine and electric inertia simulation tire braking bench approaches an ideal drum wheel and is free from drum wheel system proper drag. The mechanical and electric inertia simulation tire braking bench has the function of automatically compensating energy compensating errors, thereby controlling total errors within a small range; accurate match of rotational inertia is realized, and the control accuracy can meet the test requirement for high precision; investment is saved, and operating cost is reduced.
Description
technical field [0001] The invention belongs to the electromechanical integration system, relates to the electrical transmission simulation of the mechanical rotary inertia system, in particular has a mechanical and electrical inertia simulation tire braking test bench and an electrical inertia simulation control method. Background technique [0002] In the bench test of tire braking, it is necessary to test the braking performance of the brake under different conditions, the essence of which is that the brake consumes the energy set under specific working conditions. Therefore, the brake test bench should have the function of providing specific energy under different working conditions. [0003] The mechanical simulation of the load is realized through the drum. Since the moment of inertia of the drum is fixed, it is impossible to simulate the load accurately all the time. This problem can be well solved by the simulation of the electrical inertia. [0004] The braking tor...
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IPC IPC(8): G01M17/02G01M13/00
Inventor 李卫东董丰收
Owner CHINA NAT HEAVY MACHINERY RES INSTCO