Dissertations / Theses on the topic 'Computed Torque Control'
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Sankaran, Jayavel. "Real-time computed torque control of flexible-joint robots." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp01/MQ28868.pdf.
Full textVALLE, CARLOS MAGNO CATHARINO OLSSON. "COMPUTED-TORQUE CONTROL OF A SIMULATED BIPEDAL ROBOT WITH LOCOMOTION BY REINFORCEMENT LEARNING." PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 2016. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=27798@1.
Full textCONSELHO NACIONAL DE DESENVOLVIMENTO CIENTÍFICO E TECNOLÓGICO
Esta dissertação apresenta o desenvolvimento de um controle híbrido de um robô do tipo humanoide Atlas em regime de locomoção estática para a frente. Nos experimentos faz-se uso do ambiente de simulação Gazebo, que permite uma modelagem precisa do robô. O sistema desenvolvido é composto pela modelagem da mecânica do robô, incluindo as equações da dinâmica que permitem o controle das juntas por torque computado, e pela determinação das posições que as juntas devem assumir. Isto é realizado por agentes que utilizam o algoritmo de aprendizado por reforço Q-Learning aproximado para planejar a locomoção do robô. A definição do espaço de estados, que compõe cada agente, difere da cartesiana tradicional e é baseada no conceito de pontos cardeais para estabelecer as direções a serem seguidas até o objetivo e para evitar obstáculos. Esta definição permite o uso de um ambiente simulado reduzido para treinamento, fornecendo aos agentes um conhecimento prévio à aplicação no ambiente real e facilitando, em consequência, a convergência para uma ação dita ótima em poucas iterações. Utilizam-se, no total, três agentes: um para controlar o deslocamento do centro de massa enquanto as duas pernas estão apoiadas ao chão, e outros dois para manter o centro de massa dentro de uma área de tolerância de cada um dos pés na situação em que o robô estiver apoiado com apenas um dos pés no chão. O controle híbrido foi também concebido para reduzir as chances de queda do robô durante a caminhada mediante o uso de uma série de restrições, tanto pelo aprendizado por reforço como pelo modelo da cinemática do robô. A abordagem proposta permite um treinamento eficiente em poucas iterações, produz bons resultados e assegura a integridade do robô.
This dissertation presents the development of a hybrid control for an Atlas humanoid robot moving forward in a static locomotion regime. The Gazebo simulation environment used in the experiments allows a precise modeling of the robot. The developed system consists of the robot mechanics modeling, including dynamical equations that allow the control of joints by computed-torque and the determination of positions the joints should take. This is accomplished by agents that make use of the approximate Q-Learning reinforcement learning algorithm to plan the robot s locomotion. The definition of the state space that makes up each agent differs from the traditional cartesian one and is based on the concept of cardinal points to establish the directions to be followed to the goal and avoid obstacles. This allows the use of a reduced simulated environment for training, providing the agents with prior knowledge to the application in a real environment and facilitating, as a result, convergence to a so-called optimal action in few iterations. Three agents are used: one to control the center of mass displacement when the two legs are poised on the floor and other two for keeping the center of mass within a tolerance range of each of the legs when only one foot is on the ground. In order to reduce the chance of the robot falling down while walking the hybrid control employs a number of constraints, both in the reinforcement learning part and in the robot kinematics model. The proposed approach allows an effective training in few iterations, achieves good results and ensures the integrity of the robot.
Gullayanon, Rutchanee. "Motion Control of 3 Degree-Of-Freedom Direct-Drive Robot." Thesis, Georgia Institute of Technology, 2005. http://hdl.handle.net/1853/6969.
Full textOliveira, Israel Gonçalves de. "Comparação entre as estratégias de controle por torque calculado e controle repetitivo aplicados a manipuladores robóticos." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2016. http://hdl.handle.net/10183/156791.
Full textThis work presents a comparison between the strategies of computed-torque control and repetitive control applied to robotic manipulators. The main objective in use these controllers with the manipulator is to tracking periodic trajectory in joint space. The development and implementation of controllers are focused on the Whole Arm Manipulator (WAM) of the Barrett Technology®Inc. Also featured are a non-linear model formulation of the manipulator and the synthesis of controllers for computed-torque control and repetitive control applied to the manipulator model linearized by state feedback. The computed-torque controller is presented in its classic form. For the repetitive controller, the synthesis is based on the internal model principle with the addition of a repetitive structure and a proportional-derivative reference tracking error feedback. The design of the repetitive controller gains is done through a convex optimization problem with linear matrix inequalities (LMI) constraints. The formulation of the optimization problem is based on the Lyapunov stability theory using a Lyapunov-Krasoviskii functional, addition of a quadratic cost for performance adjustment and a transient performance criteria given by the exponential decay rate of the states norm. A comparison between the control strategies and the validation of the repetitive controller applied to the case with perfect linearization and the case with the non-linear model of the manipulator are presented. In the first case, is made simulations of the linear model of the manipulator in MATLAB program, with the addition of a disturbance modeling the friction torque at the joint. In the second case, is used the Robot Operating System (ROS) with Gazebo program simulating the WAM nonlinear model. In this case, a possible mismatch between the model used for the feedback linearization and the real system is taken into account.
Machín, Sofía Valentina. "Diseño de un controlador para un vehículo movil." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2017. http://hdl.handle.net/10183/172037.
Full textThe following dissertation tries to develop and test a movil robot controller for agricultural purposes. Framed in a bigger proyect that is currently developing a mobile robot prototype with autonomous movement to help with agricultural work, this work starts in the kinematic equations developed for the prototype and develops a control strategy through computed torque control for the autonomous movement of the vehicle and simulations are performed of such computation. With this work finished and with the results obtained is ready to continue with the experimental instance in the prototype.
Barbeiro, Tácio Luiz de Souza. "Controle de robôs manipuladores subatuados via Síntese-μ." Universidade de São Paulo, 2001. http://www.teses.usp.br/teses/disponiveis/18/18133/tde-12082016-160927/.
Full textThis work deals with implementation of a robust control technique, μ-Synthesis, in a mani- pulator robot with three degrees of freedom and passive joints. The necessity of a robust control is due to the fact that in a real application the system is subject to changes in its internal parameters and external disturbances (sensor noise, etc). Here, a robust control methodology that combines the computed torque method and robust controllers designed via μ-Synthesis is proposal and used with success. The mathematical formulation of the system dynamics is presented and the linearization is accomplished by the state feedback included in the method. An overview of theoretical concepts presents in the μ-Synthesis theory is made and a design procedure is presented. Nominal models for all robot\'s configurations are defined and robust controllers are designed using the D-K iterations method. The test and validation of the controllers are realized in a simulation environment and also in the experimental manipulator UArmII (Underactuated Robot Manipulator II), that is a robot manipulator (equipped with 3 joints, actuators and brakes) projected for the study of passive dynamics.
Nyzen, Robert J. "Analysis and control of an eight degree-of-freedom manipulator." Ohio : Ohio University, 1999. http://www.ohiolink.edu/etd/view.cgi?ohiou1175796367.
Full textAlmeida, Mateus Vagner Guedes de. "Estudo da concepção de um robô paralelo de três graus de liberdade." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2018. http://hdl.handle.net/10183/182416.
Full textThe 3-RPS mechanism is a parallel mechanism that has three degrees of freedom: roll, pitch and heave. It has a cost advantage compared to the Stewart Platform manipulator in applications where six degrees of freedom are not required and, because it is a parallel mechanism, has a higher weight / load ratio than serial robots. In the present work, a study is carried out for the design of a 3-RPS robot. The study addresses the kinematics, dynamics and control strategy for the robot. A computed torque control is applied to a 1:1 scale virtual CAD model developed with the purpose of testing the control strategy elaborated from the computational simulations of the entire system. Seven simulations were performed for different conditions of desired trajectories. In Case I, an idealized system was first run where the regime error tended to zero for an underdamped behavior. The calculated gains in Case I idealized were then applied in Case I with the virtual model where it was verified that the calculated gains were not enough to guarantee the desired trajectory of the robot. With gains increased by one hundred times, it was found that the regime error was 0.22 mm, and the value was considered acceptable. In the subsequent simulations, the regime error in Cases II and III were also 0.22 mm and in Cases IV, V, VI and VII the maximum error of trajectory did not exceed the stipulated 0.22 mm.
Valente, Vitor Tumelero. "Análise, simulação e controle de um sistema de compensação de movimento utilizando um manipulador plataforma de stewart acionado por atuadores hidráulicos." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2016. http://hdl.handle.net/10183/141138.
Full textThe Stewart platform mechanism is a parallel manipulator with six degrees of freedom, high load/weight ratio and high stifness. These properties give them a better accuracy when compared to serial manipulators. This work focuses on study of electrohydraucally Stewart Platform Manipulators (MPS) to enable compensation of vessels motions for load and personell transfer in sea. Aimed at developing an experimental prototype, a second MPS is placed underneath the rst MPS to simulate vessels motions and so both manipulators are considered dynamically decoupled. In this sense, the kinematics and dynamics of this manipulator are presented, as well as a mathematical model of the hydraulic actuator. Furthermore, special attention is given to the study of inertial measurement units (IMU) which is used as an instrument for measuring the motion to be compensated. Controller design for the compensation system is developed considering compute torque theory which consider the system separated in two: mechanical and hydraulic. The Lyapunov criteria is used to guarantee closed loop stability for each subsystem. Simulations are performed considering similar vessel motions. Signals provided from a comercial IMU are used for motion compensation. The control compensation performance is veri ed by means of computer simulations.
Kocak, Elif. "Control Law Partitioning Applied To Beam And Ball System." Master's thesis, METU, 2008. http://etd.lib.metu.edu.tr/upload/12609564/index.pdf.
Full textAkalin, Gokcan. "Simulation Of Biped Locomotion Of Humanoid Robots In 3d Space." Master's thesis, METU, 2010. http://etd.lib.metu.edu.tr/upload/12612470/index.pdf.
Full textGilbert, Gregory S. Jr. "Scaling a Prismatic Revolute Joint (Pr) Manipulator Using Similitude and Buckingham Pi Techniques." Thesis, Virginia Tech, 1998. http://hdl.handle.net/10919/36599.
Full textMaster of Science
Chandra, Rohit. "Application of Dual Quaternion for Bimanual Robotic Tasks." Thesis, Université Clermont Auvergne (2017-2020), 2019. http://www.theses.fr/2019CLFAC042.
Full textThe classical approach for dual-arm cooperative task space control was revisited and the symmetric formulation of dual arm coordination using virtual sticks was implemented using screw-based kinematics with dual quaternion representation. The proposed coupled control of cooperative task space, i.e. simultaneous control of both position and orientation setpoints of relative and absolute task space was compared against the performance of a proportional decoupled controller treating position and orientation error separately. The coupled controller demonstrated better tracking of pose and orientation in terms of accuracy and stability compared to the decoupled controller for tasks requiring faster operation in the relative task space of dual-arm manipulators.The cooperative task space modelling and control approach using screw-based kinematics and dual quaternions were extended for the cooperation modelling of the fingers of an anthropomorphic robotic hand. Additionally, the coupling of joints in the underactuated fingers of the robotic hand was represented with a coupled finger Jacobian. The coupled Jacobian of the robotic finger was used for inverse kinematic control, while allowing easy integration with a robotic arm.The idea of coupled treatment of position and orientation variables was capitalized further with the design of a second-order trajectory tracker using dual quaternions. The trajectory controller hence designed was capable of tracking pose, velocity and acceleration setpoints for the end-effector using inverse dynamic model of the robot. The coupled resolved rate acceleration controller was found to be capable of tighter trajectory control, specially for error terms related to orientation, compared to the conventional decoupled controller that treated the position and orientation setpoints separately and ignored the inherent effect of rotation on translational motion. Additionally, it also led to lower oscillations in the joint torque command when implemented for the control of one of the arms of Baxter dual-arm robot.Finally, a complete framework for the coordination of bi-arm robotic systems was proposed with the addition of a cooperative task planner. The simplicity of screw theory was exploited additionally for parametrized generation of generalized second order trajectories for tasks requiring simplified motion, like translation, rotation and screw motion around an arbitrary 6D screw-axis given in a known reference frame. The trajectory generation method was extended to represent the constraints related to tasks involving contact between objects using the concept of virtual mechanism
Xin, Ming. "Kinematics, Dynamics, and Controller Design for the Contour Crafting Cartesian Cable (C4) Robot." Ohio University / OhioLINK, 2008. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1213223249.
Full textZhao, Jibo. "An Efficient Wide-Speed Direct Torque Control Based on Fuzzy Logic Technique." University of Toledo / OhioLINK, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=toledo1352922315.
Full textMaia, Júlio Pereira 1978. "Simulação dinâmica, otimização e análise de estratégias de controle da torre de vácuo da unidade de destilação de processos de refino de petróleo." [s.n.], 2013. http://repositorio.unicamp.br/jspui/handle/REPOSIP/266612.
Full textTese (doutorado) - Universidade Estadual de Campinas, Faculdade de Engenharia Química
Made available in DSpace on 2018-08-23T11:34:50Z (GMT). No. of bitstreams: 1 Maia_JulioPereira_D.pdf: 8705466 bytes, checksum: e604d7a471ca19eb99492912d431174b (MD5) Previous issue date: 2013
Resumo: Esta tese apresenta um estudo de estratégias de esquemas de controle em unidades de destilação a vácuo de refinarias de petróleo, com o uso de dados e informações de uma refinaria brasileira, de modo a se desenvolver uma simulação representativa do processo, onde uma diferença global máxima de 5% entre os resultados de simulação e os dados de saída reais foi obtida. A simulação foi executada com alto nível de detalhamento, com cálculos de queda de pressão, dimensionamento de sistemas de bombeamento e uso de internos de coluna comerciais. Uma análise paramétrica foi executada para a verificação das variáveis mais influentes do processo. A simulação em estado estacionário resultante foi então convertida para o regime dinâmico, onde um esquema de controle equivalente ao esquema de controle da planta real foi implementado. Este esquema de controle foi submetido a um conjunto de perturbações usuais ao processo real, produzindo respostas dinâmicas do processo para cada perturbação aplicada. Pela análise das dinâmicas destas respostas e das respostas do sistema em malha aberta, um esquema de controle alternativo foi proposto e verificado da mesma maneira que o esquema de controle equivalente. Malhas de controle específicas para quantificar a qualidade dos produtos, tendo por base o índice ASTM D86 foram inseridas. A comparação entre os dois esquemas de controle por meio das respostas dinâmicas na qualidade dos produtos, considerando como parâmetro o ISE (Integral Squared Error) das malhas de cada esquema para comparação, apresentou uma redução média do erro em 70% na qualidade dos produtos principais
Abstract: A petroleum vacuum distillation unit study on control scheme strategies is developed in this work. Real plant data and information is gathered from a Brazilian Refinery to develop a representative simulation of the process, which had achieved a maximum 5% overall difference from the plant results. The simulation was set to be highly detailed, including pressure drop calculations, pumping system and the use of commercial column internals (packing and plates) in it. A parametric analysis was carried in order to verify the most influent variables in the process, with respect to temperature profiles, product flows and product qualities. The resultant steady state simulation was then converted into dynamic regime, when a control scheme equivalent to the real plant control scheme was implemented. This control scheme was then subjected to a set of common perturbations that occur in the real process, producing the dynamic response of the process to each perturbation applied. By analyzing the dynamics of these responses and the open loop responses, an alternative control scheme is proposed and verified in the same manner the later one was. A specific control loop was proposed to account a petroleum product quality index, such as ASTM D86 95% recovery. The comparison of the control schemes by means of the dynamic responses considering the correlated ISE (integral squared error) of each scheme has shown an average error reduction of 70% in the main products quality
Doutorado
Desenvolvimento de Processos Químicos
Doutor em Engenharia Química
Zhang, Qin. "Estimation du couple généré par un muscle sous SEF à la base de l'EMG évoquée pour le suivi de la fatigue et le contrôle du couple en boucle fermée." Phd thesis, Université Montpellier II - Sciences et Techniques du Languedoc, 2011. http://tel.archives-ouvertes.fr/tel-00820474.
Full textMendes, Miguel Pereira. "Computed-torque control of the Kinova JACO² Arm." Master's thesis, 2017. http://hdl.handle.net/10316/82882.
Full textNos últimos anos, várias áreas ligadas à robótica têm evoluído, estando cada vez mais presentes na vida do ser humano. Uma dessas áreas, onde se têm notado mais progressos, é a área da robótica assistiva. Muitas pessoas portadoras de deficiências motoras beneficiam deste tipo de tecnologias, cuja utilidade aumenta consideravelmente a sua qualidade de vida. Existe, por exemplo, um braço robótico relativamente novo no mercado denominado de JACO² desenhado especificamente para pessoas possuidoras de deficiência motora ao nível dos membros superiores. Apesar do robô poder ser prontamente utilizado pelo utilizador convencional para execução de tarefas mundanas com o joystick de oferta, por vezes é desejado realizar movimentos específicos com elevada precisão, sendo, no entanto, necessário um conhecimento mais alargado de como o robô funciona internamente, e de como é estruturado fisicamente. Normalmente, isto é alcançado com o design de técnicas de controlo complexas que têm em consideração esses critérios. Arquiteturas de controlo avançadas, como o controlo de binário computarizado permitem o seguimento de trajetórias desejadas com um elevado grau de exatidão, necessitando, ainda assim, da integração de modelos robóticos. O trabalho apresentado nesta tese envolve a definição dos "alicerces" necessários à aplicação dessas metodologias no braço robótico supracitado. Inicialmente é feita uma análise geral ao JACO² verificando-se as suas capacidades e limitações. Posteriormente, os modelos geométrico e cinemático são calculados, seguidos da derivação do modelo dinâmico. A computação deste último é realizada através da análise da energia interna do robô, isto é, com base no método de Euler-Lagrange, sendo os parâmetros dinâmicos obtidos a partir de uma abordagem baseada em elos aumentados. A fiabilidade dos modelos estimados é posta à prova com esquemas de controlo já bem conhecidos tanto ao nível do espaço tarefa como no espaço das juntas, sendo os resultados obtidos analisados. Os resultados para o modelo geométrico são suficientemente conclusivos para se afirmar que a estimação é bem definida, enquanto que a dedução do modelo dinâmico resultou, na sua generalidade, em resultados aceitáveis e promissores. Ainda assim, é necessário um estudo mais aprofundado deste último modelo, por forma a melhorar a sua fiabilidade e para que técnicas de controlo mais avançadas possam ser desenvolvidas para este robô no futuro. Por fim, este documento também propõe uma forma alternativa de controlar o JACO², substituindo o joystick disponível, por um rato 3D. Aliado ao facto de ser fisicamente bastante leve e de se apresentar como um sistema portátil, este controlo alternativo representa um dos primeiros passos para um possível desenvolvimento de uma aplicação tele-ecográfica no futuro.
In the last years, numerous robotic areas have evolved, being increasingly present in the life of the human. One of the areas whose progresses have been noticeable is the area of assistive robotics. Many people who suffer from mobility impairments or disabilities benefit from these technologies, having their quality of life greatly improved. To name an example, a relatively novel robotic arm is present in the market called the JACO² specifically designed for people with upper-body impairments. Although the robot can be promptly used by the general user to perform mundane tasks with the associated joystick, sometimes it is desirable to perform more specific high precision movements, although that requires a deeper insight into how the robot works internally and how it is physically structured. This is normally achieved with the design of complex control techniques that take into account those criteria. Advanced control architectures such as computed torque control allow the tracking of desired trajectories with a high degree of accuracy, albeit needing the integration of robotic models.The work presented on this thesis revolves around establishing the groundwork for the application of those methodologies in the aforementioned robotic arm. Initially, a complete overview of the JACO² is done in order to infer its capabilities and limitations. Afterwards, the geometric and kinematic models are addressed followed by the dynamic model derivation. The computation of this last model is obtained via the analysis of the internal energy of the robot, via the Euler-Lagrange method, while the dynamic parameter identification is based on an augmented link approach. The reliability of the estimated models is then evaluated with already well established control schemes in both task space and joint space, with their results being analyzed. The results for the geometric model are conclusive enough to affirm that its estimation is well defined, whereas the derivation of the dynamic model, in general, provided acceptable and promising results. However, it is necessary a further in-depth research in order to improve the dynamic model estimation, so that more advanced control techniques can be implemented on this robotic arm. Lastly, this document also puts forward an alternative way of controlling the JACO², using a 3D mouse as a substitute to the available joystick. Coupled with a lightweight composition and a very portable system, this represents an introductory step into a possible development of a tele-echographic application in the future.
Barakat, Nael. "Computed torque control of a differentially driven automated guided vehicle." Thesis, 1996. http://spectrum.library.concordia.ca/2780/1/MM10823.pdf.
Full textLi, Quan Yuan, and 李權原. "Genetic algorithm enhanced Fuzzy logic-computed torque contour control for parallel machine tools." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/44817192589394256302.
Full text國立交通大學
機械工程系所
94
In this study the computed-torque control has been developed on 3RPS parallel machine tool, and compared the continuous trajectory tracking in different load with traditional position control. In order to improve the low precision of tracking in high feedrate and large curvature, the relationship of feedrate, curvature and contour error has been established with fuzzy logic control to replace the complicated and inaccurate mathematics model, and also combined with genetic algorithm to build up control parameters. The simulation and experimental results show that this new control strategy improves the performance of contouring. To measure the spatial position of the platform directly, a method is presented using ballbar. The different control methods developed in this paper can be compared by using ballbar, and test in the 3RPS parallel machine tool.
CHEN, YU-YUAN, and 陳譽元. "Implementation of computed torque and resolved acceleration control for a six-axis manipulator." Thesis, 1991. http://ndltd.ncl.edu.tw/handle/08046360363175267505.
Full text(8803472), Ruiwen Wei. "Analysis of Computed Torque Control Applied with Command Shaping to Minimize Residual Vibration in a Flexible-Joint Robot." Thesis, 2020.
Find full textOchoa, Hélio José Batista. "Compliant Control of the Kinova Robot for Surface Polishing." Master's thesis, 2018. http://hdl.handle.net/10316/86643.
Full textO presente trabalho consiste em testar diferentes algoritmos de controlo no robô Kinova JACO² e proporcionar uma solução para o polimento automatizado. Atualmente, o processo de polimento a nível industrial apresenta limitações quer a nível de tempo assim como de produção, uma vez que ainda é realizado manualmente. Devido ao facto deste processo ser moroso e por vezes complexo requer muito tempo por parte do ser humano a desempenhar a mesma tarefa. Inicialmente são testados algoritmos de controlo simplificados por forma a testar e avaliar o desempenho do robô. Os algoritmos testados correspondem a arquiteturas de controlo avançadas, como o controlo de binário computorizado, quer no espaço das juntas quer no espaço de tarefa. Posteriormente é testado o controlador de impedância que permite relacionar uma determinada posição, velocidade e aceleração com a força necessária. Afim de validar os controladores anteriormente mencionados estes são testados em ambiente de simulação assim como em ambiente real. Por fim, o controlador de impedância é testado numa tarefa real de polimento. Verificou-se que o controlador de impedância pode ser usado para desempenhar tarefas de polimento. Contudo, o desempenho do robô necessita melhorias. Os problemas detectados no robô podem estar associados à fricção dos atuadores e a outros fatores externos, o que pode ser mitigado com um estudo minucioso dos vários parâmetros considerados no controlador e dos vários parâmetros internos associados ao manipulador robótico.
This work consists in testing different control algorithms in the Kinova JACO² robot and providing a solution for automated polishing processes. Nowadays, the polishing process at industrial level presents limitations both at the level of time and production capacity, since it is performed manually. Due to the fact that this process is time-consuming and sometimes complex it requires a lot of time on the part of the human being to perform the same task. Initially, several simplified control algorithms are tested so as to evaluate the robot performance. The tested algorithms correspond to advanced control architectures, such as computed torque controller in the joint space and in the task space. Then, the impedance controller is tested since it allows to regulate the relationship between the required force and position, velocity and acceleration of the robot manipulator. In order to validate the mentioned controllers they are tested in simulated environment as well as in real environment. Finally, the impedance controller is tested in a real surface polishing task. In conclusion, the impedance controller can be used to perform polishing tasks. However, the robot performance need improvements. The problems detected in the manipulator can be associated with the friction of the actuators and other external factors, which can be mitigated by an in-depth study of the several parameters considered in the controller and the various internal parameters associated with the manipulator arm.