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Jingchao Li


Northwestern Polytechnical University

Last seen: alrededor de 1 año hace |  Con actividad desde 2020

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Pregunta


When importing a URDF model into a Simscape™ Multibody™ model, how do I set the geometry scale attribute to 0.1?
In the Import URDF Models entry of the help document, I can see that I can set the scale attribute to 0.01 or 0.001 by setting t...

más de 1 año hace | 1 respuesta | 0

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Pregunta


Simulink and Simscape models built in 2021a do not work properly in 2021b
I built a bipedal robot locomotion control model using Simulink and Simscape in 2021a. When I ran this model in 2021b, the resul...

más de 2 años hace | 1 respuesta | 0

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How to calculate robot center of mass Jacobian matrix in Simulink?
Use 'center of mass' function and matlab system block.

más de 2 años hace | 0

| aceptada

Pregunta


How to calculate robot center of mass Jacobian matrix in Simulink?
We can use the Get Jacobian module to calculate the Jacobian of the robot geometry, but how to calculate the Jacobian of the cen...

más de 2 años hace | 1 respuesta | 0

1

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Pregunta


How to co-simulate Simscape multibody and unreal engine?
I have built a biped robot model in Simscape multibody, and now I want to use the unreal engine to simulate the vision and radar...

casi 3 años hace | 1 respuesta | 0

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Pregunta


How to calculate the centroid angular momentum of multiple rigid bodies in Simscape Multibody？
How to calculate the centroid angular momentum of multiple rigid bodies in Simscape Multibody？

casi 3 años hace | 1 respuesta | 0

1

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Pregunta


How to calculate the common center of mass position of multiple rigid bodies in Simscape Multibody？
How to calculate the common center of mass position of multiple rigid bodies in Simscape Multibody？ I think it is possible to g...

más de 3 años hace | 2 respuestas | 0

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Respondida
How to solve the discontinuity of MPC controller output？
hen I use the discrete derivation module, the problem is solved

casi 4 años hace | 0

| aceptada

Pregunta


How to solve the discontinuity of MPC controller output？
In simulink, I used the MPC toolbox to obtain the control value calculated by MPC with a sampling period of 0.05s. In the follo...

casi 4 años hace | 2 respuestas | 0

2

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Pregunta


When using Simulink Desktop real-time external mode, there is a serious delay and mismatch between the data sent by UDP to the FPGA hardware and the data received by UDP.
I sent a sine signal to the FPGA hardware through the packet output module, and at the same time the FPGA hardware sent the sign...

alrededor de 4 años hace | 0 respuestas | 3

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In the process of reinforcement learning training, the training was terminated erroneously because the data dimensions did not match.
When I go back to the 2019b version to run, no error is reported

más de 4 años hace | 0

Pregunta


In the process of reinforcement learning training, the training was terminated erroneously because the data dimensions did not match.
I am trying to transfer the "Training with Reinforcement Learning" from the sample program "Train a Humanoid Walker" to another ...

más de 4 años hace | 2 respuestas | 0

2

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